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This is a list of octagon houses. The style became popular in the United States and Canada following the publication of Orson Squire Fowler's 1848 book The Octagon House, A Home for All. In the United States, 68 surviving octagon houses are included on the U.S. National Register of Historic Places (NRHP). The earliest and most notable octagon house in the Americas was Thomas Jefferson's 1806 Poplar Forest.

Orson Squire Fowler's 1848 book The Octagon House, A Home for All and his "monumental" four-story, 60-room house built during 1848–1853, Fowler's Folly in Fishkill, New York, provided inspiration for a nationwide fad. Fifty-nine of the sixty-six pre-Civil War houses on the NRHP were built between 1849 and 1861. It is reported that the owner of the first-built of these, the Rich-Twinn Octagon House in western New York, was impressed by seeing an octagon house in the Hudson River Valley, presumably Fowler's home under construction.

Canada

At least 20 historic octagon houses are known to exist in Canada, distributed across four eastern provinces. Extant octagon houses in Canada include the following:

• In New Brunswick
  • Pocologan
  • Sackville: Captain George Anderson House, built in 1855, is a locally designated heritage site
• In Nova Scotia
  • Tatamagouche: Fraser Octagon House, built in 1857, provincially designated heritage site
• In Ontario

Ameliasburg, Prince Edward County Bowmanville Bracebridge: Woodchester Villa, a provincially designated heritage site Brantford Burlington: The Thomas Pickett Octagonal House, built 1860, at 6103 Guelph Line, designated under the Ontario Heritage Act Calabogie: 15 Octagon Lane Clark's Corners, Oxford County Kingsville

Rupert Octagonal House (1855), Maple, at 2600 Major MacKenzie Drive (43°51′10″N 79°31′26″W / 43.85279°N 79.52395°W / 43.85279; -79.52395 (Rupert Octagonal House)), now Delano Academy Milton Morton, northeast of Kingston, former octagon schoolhouse, also used as a residence Mount Pleasant, Brant County: 646 Mount Pleasant Road, now used as a spa Niagara Falls: Bradley Octagon House, built 1906, at 5783 Summer Street Otterville: Woodlawn Octagon House, built 1861, moved from Millvale Peel Region: 8280 Heritage Road, near Huttonville Port Hope, built 1856 Picton, Prince Edward County, built ca. 1860 Westport, on Upper Rideau Lake

• In Quebec
  • Guérin

• Bradley Octagon House, Niagara Falls, Ontario
• Rupert Octagonal House, Maple

United States

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Notable octagon houses in the U.S. include the following, more than 80 in number, in date built order. The octagonal outlines of these houses may be seen in Google maps and other satellite photo services, by zooming in from satellite view above, to their locations. Specifically, almost all of the following listed ones are mapped and may be observed via satellite view in the Google external link here (click on "Map of all coordinates" to the right).

Of these, six are further designated National Historic Landmarks of the United States: Armour-Stiner House in the Hudson River valley in New York, which is perhaps the only domed octagon house in the world; The Octagon House in Washington, D.C. (which is actually more of a hexagon), where President Madison lived after the White House was burnt by the British; Thomas Jefferson's retreat Poplar Forest; May's Folly in Georgia; Samuel Sloan-designed Longwood in Natchez, Mississippi, still unfinished after its construction was halted by the American Civil War; and Waverley, also in Mississippi.

At least one of the houses has been claimed to have been used as "stations" sheltering escaped slaves on the Underground Railroad: the Octagon House in Fond du Lac, Wisconsin, although that claim has been disputed.

Including post-Civil War constructed houses, there are now at least 84 octagon houses that are listed on the National Register of Historic Places.

Octagon houses were particularly popular in New York State. There were 120 octagon houses in New York State, of which 13 are listed on the National Register and listed below.

In 1958 Carl F. Schmidt published The Octagon Fad which attempted to inventory the Fowler-inspired homes, most of which were built prior to 1915 in North America. However, only a small fraction of the total are notable and extant.

New Jersey is believed to have had 46 octagon houses and octagon school houses, with 15 houses and one schoolhouse surviving in 2016.

House name	Image	Date built	Location	County or equivalent	State	Description
Poplar Forest		1806	1548 Bateman Bridge Road, Forest, VA 24551 37°20′54″N 79°15′54″W / 37.34826°N 79.26495°W / 37.34826; -79.26495 (Thomas Jefferson's Poplar House)	Lynchburg	VA	Retreat for, and designed by, Thomas Jefferson, NRHP
The Glebe (Arlington, Virginia)		1815	4527 17th St., N., Arlington 38°53′30″N 77°7′4″W / 38.89167°N 77.11778°W / 38.89167; -77.11778 (The Glebe, Arlington, VA)	Arlington	VA	NRHP
May's Folly		1829	527 1st Ave., Columbus, Georgia 32°27′21″N 84°59′37″W / 32.45583°N 84.99361°W / 32.45583; -84.99361 (May's Folly)	Muscogee	GA	NRHP
Waverley (West Point, Mississippi)		1840	West Point 33°34′9″N 88°30′13″W / 33.56917°N 88.50361°W / 33.56917; -88.50361 (Waverley, West Point, MS)	Clay	MS	NRHP
T. R. R. Cobb House		1842	194 Prince Ave., Athens 33°57′40″N 83°22′54″W / 33.96111°N 83.38167°W / 33.96111; -83.38167 (T. R. R. Cobb House, Athens, GA)	Clarke	GA	NRHP
Yale-Cady Octagon House and Yale Lock Factory Site		1849	7550 N. Main St., Newport 43°11′34″N 75°1′6″W / 43.19278°N 75.01833°W / 43.19278; -75.01833 (Yale-Cady Octagon House, Newport, NY)	Herkimer	NY	NRHP
Rich-Twinn Octagon House		1849	145 Main Street, Akron 43°1′19″N 78°29′44″W / 43.02194°N 78.49556°W / 43.02194; -78.49556 (Rich-Twinn Octagon House, Akron, NY)	Erie	NY	NRHP
Capt. Rodney J. Baxter House		1850	South and Pearl Sts., Barnstable 41°39′0″N 70°17′6″W / 41.65000°N 70.28500°W / 41.65000; -70.28500 (Capt. Rodney J. Baxter House, Barnstable, MA)	Barnstable	MA	Only surviving house credited by NRHP to Orson Squire Fowler. Concrete walls. Property includes an octagonal carriage house as well.
Edward A. Brackett House		1850	290 Highland Ave., Winchester 42°27′0″N 71°7′45″W / 42.45000°N 71.12917°W / 42.45000; -71.12917 (Edward A. Brackett House, Winchester, MA)	Middlesex	MA	NRHP
James Coolidge Octagon House		1850	7271 Main St., Madison 42°53′52.82″N 75°31′1.6″W / 42.8980056°N 75.517111°W / 42.8980056; -75.517111 (James Coolidge Octagon House, Madison, NY)	Madison	NY	Rare example of Octagon house that is also a cobblestone house.
Dubois-Sarles Octagon		1850	16 South St., Marlboro 41°36′2″N 73°58′27″W / 41.60056°N 73.97417°W / 41.60056; -73.97417 (Dubois-Sarles Octagon, Marlboro, NY)	Ulster	NY	Rare octagon house with sidehall interior plan (NRHP)
Octagon Cottage (Rocky Hill, Kentucky)		1850	Near Rocky Hill 36°58′10″N 86°2′44″W / 36.96944°N 86.04556°W / 36.96944; -86.04556 (Octagon Cottage, Rocky Hill, KY)	Barren	KY	NRHP
Jacob Woodruff House		1850	610 Liberty Street Ripon 43°50′52″N 88°50′49″W / 43.84778°N 88.84694°W / 43.84778; -88.84694 (Jacob Woodruff House, Ripon, WI)	Fond du Lac	WI	NRHP
Enoch Fuller House		1850	72 Pine St., Stoneham 42°28′32″N 71°5′55″W / 42.47556°N 71.09861°W / 42.47556; -71.09861 (Enoch Fuller House, Stoneham, MA)	Middlesex	MA	NRHP
William Bryant Octagon House		1850	2 Spring Street, Stoneham 42°28′54″N 71°5′40″W / 42.48167°N 71.09444°W / 42.48167; -71.09444 (William Bryant Octagon House, Stoneham, MA)	Middlesex	MA	NRHP
Elias Crawford House		1851	3 Norwood St., Worcester 42°15′10″N 71°49′9″W / 42.25278°N 71.81917°W / 42.25278; -71.81917 (Elias Crawford House, Worcester, MA)	Worcester	MA	NRHP
The Octagon		1852	297 East Perry Street, Tiffin 41°7′0″N 83°10′5″W / 41.11667°N 83.16806°W / 41.11667; -83.16806 (The Octagon, Tiffin, OH)	Ohio	OH	NRHP
Octagon House (Danbury, Connecticut)		1852	21 Spring Street, Danbury 41°23′42″N 73°27′34″W / 41.39500°N 73.45944°W / 41.39500; -73.45944 (Octagon House, Danbury, CT)	Fairfield	CT	NRHP. Considered best example of style among Connecticut's remaining octagon houses.
2130 East Broad Street		1853	2130 East Broad Street, Bexley, Ohio 39°58′09″N 82°56′38″W / 39.9691°N 82.944°W / 39.9691; -82.944 (2130 East Broad Street, Bexley, OH)	Franklin	OH
Octagon House (Watertown, Wisconsin)		1853	919 Charles St., Watertown, Wisconsin 43°11′5.03″N 88°42′27.31″W / 43.1847306°N 88.7075861°W / 43.1847306; -88.7075861 (Octagon House, Watertown, WI)	Jefferson	WI	NRHP
Estabrook Octagon House		1853	8 River St., Hoosick Falls 42°53′47″N 73°21′11″W / 42.89639°N 73.35306°W / 42.89639; -73.35306 (Estabrook Octagon House, Hoosick Falls, NY)	Rensselaer	NY	NRHP. One of the few remaining octagon houses built in strict compliance with Fowler's theories, other than the use of Rosendale cement.
Williams and Stancliff Octagon Houses		1853	26 and 28 Marlborough Street, Portland 41°34′21″N 72°38′20″W / 41.57250°N 72.63889°W / 41.57250; -72.63889 (Williams and Stancliff Octagon Houses, Portland, CT)	Middlesex	CT	Two octagon houses, side-by-side (Northern on pictured). NRHP
Denton Octagon House		1853	760 Castle Street, Geneva	Ontario	NY	(Not NRHP)
Charles Lawton House		1853	East side of the road at 416 S. Corey St. on NE corner of Corey & Washington Sts.Griggsville, IL	Griggsville	IL	Stucco over brick construction
John Gibbs House		1853	1038 Dark Moon Road, Johnsonburg 40°58′07″N 74°52′05″W / 40.96861°N 74.86806°W / 40.96861; -74.86806 (John Gibbs House, Johnsonburg, NJ)	Warren County	NJ	Gothic Revival. NRHP contributing property in Johnsonburg Historic District
Currier House (Almont, Michigan)		1854	231 E St. Clair Street, Almont 42°55′14″N 83°3′42″W / 42.92056°N 83.06167°W / 42.92056; -83.06167 (The Currier Octagon House, Almont, MI)	Lapeer	MI	Registered Michigan Historical Site and current offices of Four County Community Foundation
Clarence Darrow Octagon House		1854	8405 Main Street, Kinsman 41°26′59″N 80°35′5″W / 41.44972°N 80.58472°W / 41.44972; -80.58472 (Clarence Darrow Octagon House)	Trumbull	OH	Boyhood home of lawyer Clarence Darrow, made of chestnut logs and concrete. NRHP
Andrew Gildersleeve Octagonal Building		1854	Main Rd. and Love Lane, Mattituck 40°59′28″N 72°31′25″W / 40.99111°N 72.52361°W / 40.99111; -72.52361 (Andrew Gildersleeve Octagonal Building, Mattituck, NY)	Suffolk	NY	NRHP
Pressey House		1854	287 Summer St., Oakland 44°32′28″N 69°43′30″W / 44.54111°N 69.72500°W / 44.54111; -69.72500 (Pressey House, Kennebec, ME)	Kennebec	ME	NRHP
Henry H. Smith/J.H. Murphy House		1854	512 E. 6th St., Davenport 41°31′34″N 90°34′3″W / 41.52611°N 90.56750°W / 41.52611; -90.56750 (Henry H. Smith/J.H. Murphy House, Davenport, IA)	Scott	IA	NRHP
Garret Rickards House		1854	211 Cornelia St., Boonton 40°54′23″N 74°24′32″W / 40.90639°N 74.40889°W / 40.90639; -74.40889 (Garret Rickards House, Boonton, NJ)	Morris	NJ	Italianate. NRHP contributing property in Boonton Historic District
Nathaniel Myers House		1854	224 Cornelia St., Boonton 40°54′25″N 74°24′32″W / 40.906873°N 74.408953°W / 40.906873; -74.408953 (Nathaniel Myers House, Boonton, NJ)	Morris	NJ	Italianate, now rectory of St. John's Episcopal Church. NRHP contributing property in Boonton Historic District
Wildfell		1854	NW of Darlington on U.S. 1 39°39′4″N 76°13′11″W / 39.65111°N 76.21972°W / 39.65111; -76.21972 (Wildfell)	Harford	MD	NRHP
Hall-Crull Octagonal House		1855	North of Rushville 39°44′39″N 85°23′10″W / 39.74417°N 85.38611°W / 39.74417; -85.38611 (Hall-Crull Octagon House, Indiana)	Rush	IN	NRHP
Richard Barker Octagon House		1855	312 Plantation Street, Worcester 42°16′11″N 71°46′16″W / 42.26972°N 71.77111°W / 42.26972; -71.77111 (Richard Barker Octagon House, Worcester, MA)	Worcester	MA	NRHP
Capt. George Scott House		1855	Federal St., Wiscasset 44°0′27″N 69°39′35″W / 44.00750°N 69.65972°W / 44.00750; -69.65972 (Capt. George Scott House, Wiscasset, ME)	Lincoln	ME	NRHP
Jenkins Octagon House		1855	NY 395, Duanesburg 42°45′31″N 74°11′7″W / 42.75861°N 74.18528°W / 42.75861; -74.18528 (Jenkins Octagon House, Duanesburg, NY)	Schenectady	NY	NRHP, designed and built by Alexander Delos "Boss" Jones
Inkwell (Lake Landing, North Carolina)		1855	E of Lake Landing at 30868 US 264, Lake Landing Township, Engelhard 35°29′5″N 76°3′11″W / 35.48472°N 76.05306°W / 35.48472; -76.05306 (Inkwell, Lake Landing, NC)	Hyde	NC	NRHP
Dr. Buck-Stevens House		1855	W. Main St., Brasher Falls 44°48′27″N 74°46′32″W / 44.80750°N 74.77556°W / 44.80750; -74.77556 (Dr. Buck-Stevens House, Brasher Falls, NY)	St. Lawrence	NY	NRHP
Shute Octagon House		1855	McGuire School Road, Duanesburg 42°46′28″N 74°13′10″W / 42.77444°N 74.21944°W / 42.77444; -74.21944 (Shute Octagon House, Duanesburg, NY)	Schenectady	NY	NRHP, designed and built by Alexander Delos "Boss" Jones
John S. Moffat House		1855	1004 3rd Street Hudson 44°58′51″N 92°45′19″W / 44.98083°N 92.75528°W / 44.98083; -92.75528 (Octagon House, Hudson, WI)	St. Croix	WI	NRHP
Sinnett Octagon House		1855	Muscatine 41°27′11″N 91°1′50″W / 41.45306°N 91.03056°W / 41.45306; -91.03056 (Sinnett Octagon House, Muscatine, IA)	Muscatine	IA	NRHP
Silas Field House		1855	63 Elmwood Ave.	Providence	RI	Built by "an aristocratic jeweler named Silas Field"
Miles B. Lawson House		1855	669 Public St	Providence	RI
Frazier-Pressly House		1856	Abbeville County 34°04′55.7″N 82°18′07.9″W / 34.082139°N 82.302194°W / 34.082139; -82.302194 (Frazier-Pressley House, Abbeville County, SC)	Abbeville	SC	NRHP contributing property
Palmer-Gullickson Octagon House		1856	358 Leonard St., West Salem 43°54′5″N 91°4′54″W / 43.90139°N 91.08167°W / 43.90139; -91.08167 (Palmer Brother's Octagons, West Salem, WI)	La Crosse	WI	NRHP
Deacon West Octagon House		1856	370 High St., Pewaukee 43°5′16″N 88°15′54″W / 43.08778°N 88.26500°W / 43.08778; -88.26500 (Deacon West Octagon House, Pewaukee, WI)	Waukesha	WI	NRHP
Langworthy House		1856	1095 W. 3rd St., Dubuque 42°29′42″N 90°40′45″W / 42.49500°N 90.67917°W / 42.49500; -90.67917 (Langworthy House, Dubuque, IA)	Dubuque	IA	NRHP
Lukens Pierce House		1856	NW of Ercildoun on Wilmington Rd., Ercildoun 39°57′9″N 75°51′0″W / 39.95250°N 75.85000°W / 39.95250; -75.85000 (Lukens Pierce House, Ercildoun, PA)	Chester	PA	NRHP
Octagon House (Fond du Lac, Wisconsin)		1856	276 Linden St., Fond du Lac 43°46′15.97″N 88°26′54.03″W / 43.7711028°N 88.4483417°W / 43.7711028; -88.4483417 (Octagon House, Fond du Lac, WI)	Fond du Lac	WI	Claimed to be haunted, has passageways claimed to be "secret", and claimed to have been used as a safe house on the Underground Railway (although Underground Railway claim has been especially strongly disputed). NRHP
George F. Lee Octagon Houses		1856	South of Nebraska City 40°34′19″N 95°48′10″W / 40.57194°N 95.80278°W / 40.57194; -95.80278 (George F. Lee Octagon Houses, Otoe County, NE)	Otoe	NE	NRHP
Wilcox Octagon House		1856	5420 W. Genesee St., Camillus 43°2′28″N 76°16′42″W / 43.04111°N 76.27833°W / 43.04111; -76.27833 (Wilcox Octagon House)	Onondaga	NY	Camillus Historical Society occupies it today. NRHP
Stephen Harnsberger House		1856	Holly Ave., Grottoes 38°16′30″N 78°49′49″W / 38.27500°N 78.83028°W / 38.27500; -78.83028 (Stephen Harnsberger House, Grottoes, VA)	Rockingham	VA	NRHP
Abijah Thomas House		1856	SW of Marion on VA 657, Marion 36°46′27″N 81°34′13″W / 36.77417°N 81.57028°W / 36.77417; -81.57028 (Abijah Thomas House, Marion, VA)	Smyth County	VA	NRHP
Hiram Smith House		1856	336 Main Street or 343 Smith Street, Neenah 44°11′10″N 88°28′7″W / 44.18611°N 88.46861°W / 44.18611; -88.46861 (Hiram Smith House, Neenah, WI)	Winnebago	WI	NRHP
Edward Elderkin House		1856	127 S. Lincoln St., Elkhorn 42°40′5″N 88°33′9″W / 42.66806°N 88.55250°W / 42.66806; -88.55250 (Edward Elderkin House, Elkhorn, WI)	Walworth	WI	NRHP
James L. Lawther House		1857	927 W. 3rd St., Red Wing 44°33′43″N 92°32′27″W / 44.56194°N 92.54083°W / 44.56194; -92.54083 (James L. Lawther House, Red Wing, MN)	Goodhue	MN	NRHP
Feusier Octagon House		1857	1067 Green Street, San Francisco 37°47′55″N 122°25′00″W / 37.798543°N 122.416679°W / 37.798543; -122.416679 (Feusier Octagon House, San Francisco, CA)	San Francisco	CA	NRHP
Albert S. Potter Octagon House		1857	4 Carolina Main Street, Richmond	Washington County	RI	NRHP contributing property (Carolina Village Historic District)
Wallingford Octagon House		ca. 1857	37 New Place Street, Wallingford	New Haven County	CT	Historic Buildings of CT
Norrish House		1858	West 2nd Street and Spring Street Hastings 44°44′38.5″N 92°51′20″W / 44.744028°N 92.85556°W / 44.744028; -92.85556 (Norrish House)	Dakota County	MN	NRHP contributing property
Hiram Ramsdell House		1858	High and Perham Sts., Farmington 44°40′17″N 70°8′59″W / 44.67139°N 70.14972°W / 44.67139; -70.14972 (Hiram Ramsdell House, Farmington, ME)	Franklin	ME	NRHP
Capt. Josiah E. Chase Octagon House		1858	Chase Mill Road, East Limington 43°43′39″N 70°39′40″W / 43.72750°N 70.66111°W / 43.72750; -70.66111 (Capt. Josiah E. Chase Octagon House, Limington, ME)	York	ME	NRHP
Prime-Octagon House		1859	41 Prime Ave., Huntington 40°52′28″N 73°25′23″W / 40.87444°N 73.42306°W / 40.87444; -73.42306 (Prime-Octagon House, Huntington, NY)	Suffolk	NY	NRHP
Timothy M. Younglove Octagon House		1859	8329 Pleasant Valley Road, Urbana 42°24′17″N 77°14′37″W / 42.40472°N 77.24361°W / 42.40472; -77.24361 (Timothy M. Younglove Octagon House, Urbana, NY)	Steuben	NY	NRHP
Zelotes Holmes House		1859	619 East Main Street, Laurens, South Carolina 34°29′57″N 82°0′5″W / 34.49917°N 82.00139°W / 34.49917; -82.00139 (Octagon House, Laurens, SC)	Laurens	SC	Believed to be the first concrete house erected in South Carolina; NRHP
Gutherie Octagon House		1850s	Westland	Wayne	MI	Now part of The Westland Historic Village Park, the central portion of the house was built in the 1850s. The two wings were added in the 1930s. The Gutherie family was, and still is, in the lumber industry, which explains the use of Chinese Hemlock on the inside of the house.
Armour-Stiner House		1860	45 W. Clinton Ave., Irvington 41°01′51″N 73°52′13″W / 41.030803°N 73.870415°W / 41.030803; -73.870415 (Armour-Stiner House)	Westchester	NY	Also known as the Carmer Octagon House for 20th Century owner, noted writer Carl Carmer. It may be the only domed octagon house in the world. NRHP
David Van Gelder Octagon House		1860	47 Division St., Catskill 42°13′4″N 73°52′26″W / 42.21778°N 73.87389°W / 42.21778; -73.87389 (Van Gelder, David, Octagon House)	Greene	NY	NRHP
Gen. Francis H. West House		1860	1410 17th Avenue Monroe 42°35′53″N 89°38′15″W / 42.59806°N 89.63750°W / 42.59806; -89.63750 (Gen. Francis H. West House, Monroe, WI)	Green	WI	NRHP
Octagon House (Barrington, Illinois)		1860	223 W. Main St., Barrington 42°9′15.17″N 88°8′25.65″W / 42.1542139°N 88.1404583°W / 42.1542139; -88.1404583 (Octagon House, Barrington, IL)	Cook	IL	NRHP
Octagon House (Reading, Massachusetts)		1860	97 Pleasant St., Reading 42°31′26″N 71°6′3″W / 42.52389°N 71.10083°W / 42.52389; -71.10083 (Octagon House, Reading, MA)	Middlesex	MA	A Carpenter Gothic house that is also octagonal. NRHP
Wallace-Jagdfeld Octagon House		1860	171 Forest Ave., Fond du Lac 43°46′44″N 88°27′13″W / 43.77889°N 88.45361°W / 43.77889; -88.45361 (Wallace-Jagdfeld Octagon House, Fond du Lac, WI)	Fond du Lac	WI	NRHP
Newton Homestead		1860	Ridge Rd., South Otselic 42°39′4″N 75°47′8″W / 42.65111°N 75.78556°W / 42.65111; -75.78556 (Newton Homestead, South Otselic, NY)	Chenango	NY	NRHP
Charles Butler House (Franklin, Ohio)		1860	13 E. Jackson St., Franklin 39°33′52″N 84°18′0″W / 39.56444°N 84.30000°W / 39.56444; -84.30000 (Charles Butler House, Franklin, OH)	Warren	OH	NRHP
John Hosford House		1860	64 Sandusky St., Monroeville 41°14′44″N 82°41′46″W / 41.24556°N 82.69611°W / 41.24556; -82.69611 (John Hosford House, Monroeville, OH)	Huron	OH	NRHP
David Cummins Octagon House		1860	301 Liberty Street, Conneaut 41°56′28″N 80°33′26″W / 41.94111°N 80.55722°W / 41.94111; -80.55722 (David Cummins Octagon House, Conneaut, OH)	Ashtabula	OH	NRHP
Longwood (Natchez, Mississippi)		1860	Natchez 31°32′12″N 91°24′17″W / 31.53667°N 91.40472°W / 31.53667; -91.40472 (Longwood)	Adams	MS	Antebellum mansion, interior unfinished as construction was suspended at outbreak of American Civil War. NRHP
Loren Andrus Octagon House		1860	57500 Van Dyke Street, Washington 42°43′6″N 83°2′6″W / 42.71833°N 83.03500°W / 42.71833; -83.03500 (Loren Andrus Octagon House, Washington, MI)	Macomb	MI	NRHP
Borden Farm Stable House		1860	621 May Road, Thompson 41°48′48″N 75°29′3″W / 41.81333°N 75.48417°W / 41.81333; -75.48417	Susquehanna	PA	Built as a stable, converted to a house.
Jeremiah Schellinger House		1860	1386 Lafayette Street, Cape May 38°56′45″N 74°54′42″W / 38.94583°N 74.91167°W / 38.94583; -74.91167	Cape May	NJ	Italianate. NRHP contributing property in Cape May Historic District
Octagon House (Westfield, Massachusetts)		1861	28 King Street, Westfield 42°7′17″N 72°45′19″W / 42.12139°N 72.75528°W / 42.12139; -72.75528 (Octagon House, Westfield, MA)	Hampden	MA	NRHP
Petty-Roberts-Beatty House		1859–61	103 N. Midway, Clayton 31°52′43″N 85°26′58″W / 31.87861°N 85.44944°W / 31.87861; -85.44944 (Petty-Roberts-Beatty House, Clayton, AL)	Barbour	AL	NRHP. One of only two known to have been built in Alabama. The other, the Lane House, has been destroyed.
McElroy Octagon House		1861	2645 Gough Street, San Francisco 37°47′52″N 122°25′38″W / 37.797842°N 122.427328°W / 37.797842; -122.427328 (McElroy Octagon House, San Francisco, CA)	San Francisco	CA	NRHP; Structural concrete construction
Octagon Hall		1862	Franklin, Kentucky vic. 36°48′25″N 86°33′25″W / 36.80694°N 86.55694°W / 36.80694; -86.55694 (Octagon Hall)	Simpson	KY	NRHP-listed
Lyman White House		1862	127 N. Newcomb St.	Whitewater	WI	Small two-story frame octagonal house.
Nathan B. Devereaux Octagon House		1864	66425 Eight Mile Road, Northfield Township 42°25′46″N 83°41′56″W / 42.42944°N 83.69889°W / 42.42944; -83.69889 (Nathan B. Devereaux Octagon House, Northfield, MI)	Washtenaw	MI	NRHP
The Pratt and Buckingham Octagon House		1865	99 Chestnut Street, Fredonia 42°26′18″N 79°20′17″W / 42.43833°N 79.33806°W / 42.43833; -79.33806 (Pratt and Buckingham Octagon House, Fredonia, NY)	Chautauqua	NY	House and carriage house of concrete construction; house closely followed Fowler floor plans.
William Waterfield House		1867	308 3rd St., S., Raymond 42°27′54″N 92°13′11″W / 42.46500°N 92.21972°W / 42.46500; -92.21972 (William Waterfield House, Raymond, IA)	Black Hawk	IA	NRHP
Randall House		1870	5927 Treasurer Rd., Mayville 43°20′22″N 83°19′20″W / 43.33944°N 83.32222°W / 43.33944; -83.32222 (Randall House, Mayville, MI)	Tuscola	MI	NRHP
Chickasaw Octagon House		1871	Court Street, Chickasaw Township 43°2′11″N 92°29′58″W / 43.03639°N 92.49944°W / 43.03639; -92.49944 (Chickasaw Octagon House, Chickasaw, Iowa)	Chickasaw	IA	NRHP
Nathanial Brittan Party House		1872	125 Dale Avenue 37°30′02″N 122°16′15″W / 37.50056°N 122.27083°W / 37.50056; -122.27083	San Carlos	CA	NRHP, Victorian-style, two-and-a-half story redwood framed structure with an octagonal folly.
Jane Ross Reeves Octagon House		1879	400 Railroad Street, Shirley 39°53′26″N 85°34′37″W / 39.89056°N 85.57694°W / 39.89056; -85.57694 (Jane Ross Reeves Octagon House, Shirley, IN)	Hancock	IN	NRHP
Clapp Octagon House		1880	St. Augustine 29°53′14″N 81°17′20″W / 29.887346°N 81.288877°W / 29.887346; -81.288877 (Clapp Octagon House, St. Augustine, FL)	St. Johns	FL	(not NRHP)
Ezekiel B. Zimmerman Octagon House		1883	Near Marshallville 40°55′22″N 81°45′47″W / 40.92278°N 81.76306°W / 40.92278; -81.76306 (Ezekiel B. Zimmerman Octagon House, Marshallville, OH)	Wayne	OH	NRHP
Dr. Nathan and Lula Cass House		1885	502 N. Travis Ave., Cameron 30°50′44″N 96°58′38″W / 30.84556°N 96.97722°W / 30.84556; -96.97722 (Dr. Nathan and Lula Cass House, Cameron, TX)	Milam	TX	NRHP
Robert Waugh House		1886	202 School St., Sparland 41°01.759′N 89°26.43′W / 41.029317°N 89.44050°W / 41.029317; -89.44050 (Robert Waugh House)	Marshall	IL	NRHP
Judge Henry L. Benson House		1892	137 High St., Klamath Falls 42°13′25″N 121°47′7″W / 42.22361°N 121.78528°W / 42.22361; -121.78528 (Judge Henry L. Benson House, Klamath Falls, OR)	Klamath	OR	NRHP
Longfellow-Hastings House		1893	Heritage Square 3800 Homer St., Los Angeles 34°05′17.5″N 118°12′30.7″W / 34.088194°N 118.208528°W / 34.088194; -118.208528 (Longfellow-Hastings House, Pasadena, CA)	Los Angeles	CA	NRHP Located at 85 S. Allen Ave., Pasadena at time of placement on NRHP 34°8′40″N 118°6′45″W / 34.14444°N 118.11250°W / 34.14444; -118.11250 (Longfellow-Hastings House, Pasadena, CA)
Hattie O. and Henry Drake Octagon House		1893	605 3rd Street, SW, Huron 44°21′49″N 98°13′26″W / 44.36361°N 98.22389°W / 44.36361; -98.22389 (Drake Octagon House, Huron, SD)	Beadle	SD	NRHP
William H. McCreery House		1900	746 N. Washington Ave., Loveland 40°23′57″N 105°4′10″W / 40.39917°N 105.06944°W / 40.39917; -105.06944 (Wm. H. McCreery House, Loveland, CO)	Larimer	CO	NRHP
Arthur W. and Chloe B. Cole House		1901	5803 Rocky Branch Rd., Houston, Missouri 37°15′42″N 92°1′58″W / 37.26167°N 92.03278°W / 37.26167; -92.03278 (Arthur and Chloe Cole Octagon House, Houston, MO)	Texas	MO	NRHP
George H. Gallup House		1901	703 S. Chestnut Street, Jefferson, Iowa	Greene	IA	NRHP, boyhood home of George Gallup
Hobbit House		1907	821 Lincoln Pl., Boulder, Colorado 40°00′08.5″N 105°16′53.3″W / 40.002361°N 105.281472°W / 40.002361; -105.281472 (Hobbit House)	Boulder	CO	Built by brick mason Benjamin Franklin Gregg for Oliver and Mary DeMotte. Duplex with independent basement and main unit, 6 bedroom/4 bathroom underwent major remodel in 2019-20 after lengthy permitting process with the city of Boulder, preserving original stone foundation and footprint, exterior lines and features. Only octagon house in Boulder and one of six in the state of Colorado. House was named by the 1st group of CU Boulder students to live there after the remodel, due to unusual semi-circle door and windows and inordinate number of stairs with low headers leading to basement.
Other C. Wamsley House		1909	200 N. 5th St., Hamilton 46°14′54″N 114°9′37″W / 46.24833°N 114.16028°W / 46.24833; -114.16028 (Other C. Wamsley House, Hamilton, MT)	Ravalli	MT	NRHP
Gallaher House		1914	600 12th St., Mansfield 48°0′28″N 119°40′31″W / 48.00778°N 119.67528°W / 48.00778; -119.67528 (Gallaher House, Mansfield, WA)	Douglas	WA	NRHP
Chemosphere		1960	Los Angeles	Los Angeles	CA
The Ocho		1963	21 Cascade Walk 37°45′15″N 122°28′12″W / 37.75414°N 122.47009°W / 37.75414; -122.47009 (The Ocho)	San Francisco	CA	As briefly seen in Dirty Harry
Armory Revival Octagon House		1988	68-76 Harrison St 41°48′53.1″N 71°25′45.1″W / 41.814750°N 71.429194°W / 41.814750; -71.429194 (Armory Revival Octagon House)	Providence	RI	4 Condominium duplex apartments with separate entrances. Located in the Broadway-Armory Historic District
			8273 Alloway Road, Lyons, New York	Wayne	NY	Rare cobblestone octagon house built originally at least partially as a blacksmith shop, per this source.

Notable former octagon houses

House name	Image	Date built	Location	County or equivalent	State	Description
Fowler's Folly		1853	Fishkill	Dutchess	NY	Octagonal home of Orson Squire Fowler, built 1848–1853, condemned as a public health hazard and dynamited in 1897.
Russell Octagon House		1859	Bloomfield	Davis	IA	NRHP; removed from NRHP in 1998 due to deterioration and lack of maintenance.
John Wood Octagonal House		1864	Quincy	Adams	IL	Built by the town's founder, John Wood, later the governor of Illinois, at a cost said of $200,000. Demolished in the 1950s or 1960s
Octagonal House		1875	Ames	Story	IA	Constructed in the 1870s, demolished in 1982. Namesake and original location of The Octagon Center for the Arts.
Octagon House (Stamford, Connecticut)		N.A.	120 Strawberry Hill Avenue, Stamford 41°3′50.29″N 73°32′7.49″W / 41.0639694°N 73.5354139°W / 41.0639694; -73.5354139 (Octagon House, Stamford, CT)	Fairfield	CT	NRHP; destroyed by fire in 1985.
Octagon house Fort Atkinson			Fort Atkinson	Jefferson	WI	Photo shows former existence.

See also

• List of octagonal buildings and structures

Notes

1. In Canada, the octagon house craze also engendered an octagonal deadhouse phenomenon. This included octagonal deadhouses, pre-burial edifices, built in the mid-to-late 19th century along Yonge Street in south-central Ontario, from just north of Toronto to Aurora. At least 3 octagon houses are classified as heritage sites, one in Richmond Hill and the other in King.
2. The Google external link provides a U.S. map showing the locations of 85 of the houses listed below. Not included are any houses for which latitude and longitude coordinates are not available. Zooming in, and switching to "Satellite View", you may observe the octagonal outline of the houses, exactly at, or very near to the flagged locations. For a few sites, however, Google does not provide satellite view coverage in sufficient detail.
3. That there are 84 NRHP octagon houses is documented by National Register reports identifying the below-listed properties as having "Octagon mode" architecture, or other indications of octagon house nature for these listed properties. Also, eight historic districts are noted to contain octagon houses as contributing properties, which may include others not listed here.

References

1. ^ Bonafide, John A. (July 1997). "National Register of Historic Places Inventory/Nomination: David Van Gelder Octagon House". Archived from the original on February 19, 2012. Retrieved June 8, 2008and{{cite web}}: CS1 maint: postscript (link) "10 photos, exterior and interior". Archived from the original on February 19, 2012.
2. Todd, Nancy. L. (December 1994). "National Register of Historic Places Inventory/Nomination:Rich-Twinn Octagon House". Retrieved June 18, 2008. and Accompanying four photos, exterior and interior, from 1994
3. ^ Kline, Robert V. "Inventory of Older Octagon, Hexagon, and Round Houses: Canada". rvkline. Retrieved June 23, 2008.
4. "The Sackville Octagon House - Octagon Buildings on Waymarking.com". www.waymarking.com.
5. Bruce Forsyth. "The Rupert Octagonal House – One of the oldest homes in Maple has a unique design". Retrieved August 5, 2022.
6. National Park Service. "National Historic Landmark Program: NHL Database". Archived from the original on June 6, 2004. Retrieved on various dates.
7. National Park Service (November 2007). "National Historic Landmarks Survey: List of National Historic Landmarks by State" (PDF). Archived from the original (PDF) on June 9, 2007. Retrieved June 18, 2008.
8. Donna Remer (February 8, 2005). "Octagon House and the Underground Railroad". The Voice. Archived from the original on March 26, 2005. Retrieved June 18, 2008.
9. "1856 Octagon House". Marlenesheirlooms.Com. Archived from the original on March 13, 2008. Retrieved March 6, 2008.
10. ^ Sharon Roznik (January 30, 2017). "Octagon House underground railroad tie debunked". USA Today.
11. "National Register Information System". National Register of Historic Places. National Park Service. April 15, 2008.
12. Bonafide, p. 2, citing Cramer, Sec 8.
13. Kline, Robert V. "Inventory of Older Octagon, Hexagon, and Round Houses". rvkline. Retrieved June 20, 2008.
14. Coultas, Jennifer (Winter 2016). "Local Octagon Houses". Gem of the Mountains (newsletter of Boonton Historical Society & Museum). Retrieved October 4, 2022.
15. "Thomas Jefferson's Poplar Forest". Poplar Forest.
16. The Octagon Mode, The Columbus Dispatch, April 16, 1967.
17. "Bexley".
18. Doc Brinker (September 6, 2017). "Lost (And Found) Providence: Four Houses That Tell the Story of Urban Development".
19. "1860 Stable – Thompson, PA – $79,000". Old House Dreams. March 6, 2017. Retrieved March 7, 2017.
20. ^ "Lyman Wight House". Wisconsin Historical Society. January 2012.
21. Kim McDarison (October 13, 2020). "Home sweet home, a visit to Whitewater's Octagon House". Milton Courier. Retrieved August 5, 2022.
22. "Colorado". Inventory of Older Octagon, Hexagon, and Round Houses. Archived from the original on May 16, 2011.
23. "Although Few Remain, Here Are New York's Best Octagon Houses". CNY. Retrieved August 10, 2022.
24. Orson S Fowler (1973). "Introduction". The Octagon House. Dover Publications, Inc. Reprint of 1848 original publication.
25. "NRHP weekly update 6/12/98".
26. "IOWA STATE COLLEGE". www.amespubliclibrary.org. Archived from the original on February 19, 2010.
27. "Octagon House Fort Atkinson".

External links

• "Inventory of Older Octagon, Hexagon, and Round Houses": directory of historic U.S. and Canadian houses with many photos, compiled by Robert Kline.
• Octagonal Houses in Canada

• Octagon houses
• Octagon houses in the United States
• Lists of buildings and structures