| Number | County | Town | Size | Built | Verif | GPS | Description |
| NJ-01-01 | Atlantic | Smithville | 09-2002 | N39 29.720 W74 27.629 | In Smithville. Moss Mill Rd. W. 0.2 miles from jct with US9 to the bldg on the N. side of the road. Hexagon building, white horizontal siding, conical roof, cupola, excellent condition. | ||
| NJ-01-02 | Smithville | 09-2002 | N39 29.685 W74 27.541 | In Smithville. Moss Mill Rd. W. 0.1 miles from jct with US9 to the bldg on the N. side of the road. Hexagon building, conical roof, square cupola, excellent condition. | |||
| NJ-02-01 | Bergen | Montvale | 1850s | On the N. side of Grand Av. just W. of Railroad Av. Octagon house, 2 story, wood, small cupola. Built by J. J. Blauvelt, Jr. (N41 02.42 W74 01.84) | |||
| NJ-02-02 | Montvale | ~200' | Large octagon bldg,. (N41 03.11 W74 03.68) | ||||
| NJ-02-03 | Garfield | 1850 | In Garfield. 23 Orchard St. Octagon house. Built by August Hasbrouck. (N40 52.393 W74 06.736) | ||||
| NJ-03-01 | Burlington | Jobstown | 60' | 1870s | 1981 | N40 02.638 W74 40.975 | NE Jobstown, Springfield Township. Monmouth Rd. NE 0.6 miles from jct with Saylors Pond Rd. in Jobstown to the barn on the NW side of the road. Helis Stock Farm, octagon barn, white horizontal siding, ornate dormer over entrance, segmented conical roof flows down over additions, small cupola w/ornate spire, very good condition. |
| NJ-03-02 | Jobstown | 1981 | N40 02.728 W74 41.461 | NE of Jobstown, Springfield Township. Monmouth Rd. NE 0.6 miles from jct with Saylors Pond Rd. in Jobstown to the barn on the NW side of the road at 2530. Helis Stock Farm, oval training barn, encloses a ½ mile track & has 1100 windows. Cannot be seen from the road. Ask permission. | |||
| NJ-04-01 | Camden | Glendora | 1947 | In Glendora. Cookie Jar house, round. Robert Berman, 1028 Rowand Av. (N39 50.507 W75 04.688) | |||
| NJ-05-01 | Cape May | Cape May | 10-2003 | approximate N38 56.30 W74 57.60 | On beach road leading to the light house. Octagon house. | ||
| NJ-05-02 | Cape May | c1860 | 01-2007 | N38 56.82 W74 54.66 | In Cape May. NJ109 (Lafayette St.) S. 1.0 miles from jct with Garden State Pkwy just N. of Cape May to the house on the E. side of the road at 1386. Jeremiah Schellinger octagon house, 2 story, blue horizontal siding, purple trim, flat roof, porch around 3 sides of the front. | ||
| NJ-05-03 | Cape May | 20' | 1850s | 11-2006 | N38 58.64 W74 54.74 | In Cold Spring Village N. of Cape May, Lower Township. US9 N. 0.8 miles from jct with NJ109 (Sandman Blvd) just N. of Cape May to the village on the W. side of the road. The Craft Shop, hexagon museum shop, was a brooder house. | |
| NJ-05-?1 | Villas | In Villas. 5 Beach Av. 13-sided house, vacation rental. (N39 01.086 W74 56.863) | |||||
| NJ-05-?2 | Villas | In Villas. Cardinal Av. (N39 01.514 W74 56.590) | |||||
| NJ-05-?3 | Villas | N. of Villas, Middle Township. 301 Delaware Av. (N39 02.554 W74 55.959) | |||||
| NJ-05-?4 | North Cape May | In North Cape May. Round house, 2-story. (N39 00.196 W74 57.246) | |||||
| NJ-05-?5 | Cape May | In Cape May. Round house. (N38 56.051 W74 57.901) | |||||
| NJ-05-?6 | Cape May | In Cape May. Round house. (N38 56.573 W74 56.191) | |||||
| NJ-05-?7 | Cape May | In Cape May. Octagon bldg. (N38 56.040 W74 55.516) | |||||
| NJ-07-01 | Essex | Newark | pre1873 | In Newark. 402 S 10th St. Octagon house. (N40 44.323 W74 12.065) | |||
| NJ-10-01 | Hunterdon | Stockton | UNK | Delaware Township, N. of Stockton toward Sergeantsville, E. side of the road. V.C. Conroy, old chicken house, large diameter, low small cupola. | |||
| NJ-11-01 | Mercer | Hightstown | c1857 | In Hightstown. 239 S Main St. Octagon house. (N40 15.957 W74 31.479) | |||
| NJ-12-01 | Middlesex | New Brunswick | 1906 | 02-2008 | N40 28.50 W74 26.17 | At Rutgers University, Cook/Douglass Campus in New Brunswick. NJ18 W. 0.5 miles from jct with NJ95 (NJ Tpke exit 9) just E. of New Brunswick, S. on US1 1.2 miles, NW (right) on College Farm Rd. 0.5 miles, E. (right) on Sheepfold Ln. 100' to the barn on the S. side of the road. True round barn, grey horizontal siding, 16-segment conical roof, small louvered cupola, excellent condition, bldg #6013. Moved there in 1923. [http://sebs.rutgers.edu/development/foundations/opportunities.asp] | |
| NJ-13-?1 | Monmouth | Long Branch | In Long Branch. Hexagon bldg. (N40 18.347 W73 59.381) | ||||
| NJ-13-?2 | Long Branch | In Long Branch. Octagon bldg. (N40 16.636 W74 00.298) | |||||
| NJ-14-01 | Morris | Boonton | 1854 | 08-2008 | N40 54.380 W74 24.530 | In Boonton. Main St. W. 0.2 miles from jct with US20 (near I287 exit 44) in Boonton, N. on Cornelia St. 0.1 miles to the house on the E. side of the road at 211. Garrett Rickards, octagon house, 2 story, porch along front 3 sides, windowed cupola, central chimney. | |
| NJ-14-02 | Boonton | 1854 | In Boonton. Main St. W. 0.2 miles from jct with US20 (near I287 exit 44) in Boonton, N. on Cornelia St. 0.15 miles to the house on the W. side of the road at 224. Nathaniel A. Myers, octagon house, 2 story, porch along front 3 sides, cupola. (N40 54.412 W74 24.536) | ||||
| NJ-14-?1 | Tabor | 1869 / 1886 | In Tabor. Bethel Pavilion, octagon house, low pitch roof, square cupola. (N40 52.381 W74 28.761) | ||||
| NJ-14-?2 | Tabor | 1873 / 1901 | In Tabor. Ebenezer Pavilion, octagon house, now a branch of the Parsippany Troy Hills Public Library. (N40 52.398 W74 28.720) | ||||
| NJ-14-?3 | Tabor | In Tabor. True round bldg, octagon roof, louvered cupola. (N40 52.343 W74 28.651) | |||||
| NJ-18-01 | Somerset | Somerville | 1854 | In Somerville. 57 S Bridge St. Richard Hoaglund, octagon house, 2-story. (N40 33.997 W74 36.719) | |||
| NJ-19-01 | Sussex | Branchville | 07-2009 | N41 07.165 W74 42.779 | SE of Branchville, Frankford Township. US206 SE 2.0 miles from jct with Broad St. just SE of Branchville to the bldg on the SW side of the road. Chatterbox Burgers, 12 sided building, louvered cupola. | ||
| NJ-19-?1 | Branchville | 1850s | E. of Branchville, Frankford Township. 99 Plains Rd. Octagon house. (N41 08.744 W74 42.261) | ||||
| NJ-21-01 | Warren | Hackettstown | 1933 | 07-2003 | --GONE-- N40 50.467 W74 56.411 | W. of Hackettstown, Mansfield Township. US46 W. (curves SW) 7.1 miles from jct with NJ182 (Mountain Av.) in Hackettstown, S. on Pequest Rd. 1.1 miles to the barn on the W. side of the road. True round barn, faded red horizontal siding, 2-pitch conical roof, central silo, poor condidtion. Built by the Pfaff family. Abandoned & surrounded by trees & brush. Collapsed 10-28-08 from a heavy snow. | |
| NJ-21-?1 | Hackettstown | 1859 | In Hackettstown. 650 Washington St. Octagon house, brick. (N40 50.911 W74 49.569) | ||||
| NJ-21-?2 | Johnsonburg | 1853 | NE of Johnsonburg, Frelinghuysen Township. Dark Moon Rd. Octagon house. (N40 58.120 W74 52.088) | ||||
| NJ-21-?3 | Delaware | 1835 | NE of Delaware, Knowlton Township. Fairview, octagon school. (N40 55.283 W75 00.872) | ||||
| NJ-21-?4 | Delaware | In Delaware. Octagon bldg. (N40 53.384 W75 03.824) |