| Haas House | 21 |
| Habecker, Wallace, House | 56 |
| Hager Fralick House | 21 |
| Hague, Dr. Elliot, House | 68 |
| Haich, Peter, Houses | 104 |
| Hale - Frind House | 161 |
| Hall Center Rd. Schoolhouse | 191 |
| Hall House | 152 |
| Hall, Miss Jean, House | 227 |
| Halpin House | 50 |
| Hamilton, Edward House | 126 |
| Hamilton - Patterson House | 225 |
| Hamlin, Henry, House | 59 |
| Hammond, William, House | 75 |
| Hanagan House | 178 |
| Hancock, Stewart, House | 38 |
| Hanks - Lovejoy House | 52 |
| Hanson House | 27 |
| Hardee - Chisholm House | 213 |
| Hardenbrook, Watson, House | 131 |
| Harden - Eddy House | 196 |
| Harmer, Florence, House | 128 |
| Harmon - Hammond House | 75 |
| Harmon - Muntz House | 75 |
| Harris House | 132 |
| Harris House | 175 |
| Harrison - Cross House | 167 |
| Hart House | 185 |
| Hartland Friends Meeting House | 79 |
| Hartland Schoolhouse #14 | 78 |
| Hartman House | 27 |
| Hartway, Alfred, House | 117 |
| Hastings - Brown House | 24 |
| Hatch House | 105 |
| Hathaway - Guelph House | 94 |
| Hathaway, Henry, House | 45 |
| Hatter House | 176 |
| Haviland, Chester, House | 180 |
| Hawkins, Mrs. Mary, House | 163 |
| Hawks - King House | 103 |
| Hayden - Gilmore House | 36 |
| Hayward, Jerry, House | 210 |
| Hazelo, Frank, House | 222 |
| Hazon, Stanley, House | 47 |
| Healy - Byrnes House | 221 |
| Heard House | 123 |
| Heid, James, House | 73 |
|
| Hemplemann, Dr. Louis, House | 53 |
| Henderson - Thorp House | 141 |
| Herendeen, Francis, House | 94 |
| Herkimer County | 29 |
| Herringbone pattern | 5 |
| Herring, George, House | 134 |
| Herrington - Sellick House | 80 |
| Hewson - Sargeant House | 186 |
| Hexagonal recesses | 5 |
| Heyke - Erson House | 34 |
| Hicks - Schoolcraft House | 90 |
| Hill - Cowles House | 111 |
| Hillegeer House | 172 |
| Hill, Richard, House | 126 |
| Hill, Robert, House | 177 |
| Hill - Sharping House | 135 |
| Hoagland - Given House | 197 |
| Hodge - Peterson House | 172 |
| Hoffman House | 164 |
| Hoffman - Sill House | 104 |
| Holder House | 226 |
| Holley House | 138 |
| Holley Schoolhouse | 137 |
| Hollingworth House | 111 |
| Hollingworth, Mrs. Ellen, House | 227 |
| Holman - Bloom House | 139 |
| Holmes, Howard, House | 149 |
| Holmesville, Ontario, House | 228 |
| Hooker, Thomas, House | 81 |
| Hop Dryer, Cedarville | 30 |
| Hop Dryer in Eaton | 39 |
| Hop Dryer, Round | 89 |
| Hosmer - Sackett House | 68 |
| Hotchkiss, Richard, House | 202 |
| Howard - Bieler House | 64 |
| Howard - Edgarton House | 38 |
| Howard - Kreber Store | 39 |
| Howard, Mrs. Mary, House | 90 |
| Hoyt - Schultz House | 70 |
| Huber, Charles, House | 166 |
| Hughes House | 119 |
| Hume, Gordon, House | 131 |
| Hunt, James, House | 130 |
| Hunt's Corners Schoolhouse | 159 |
| Hussey - Rafferty House | 19 |
| Hults, Harold, House | 116 |
| Hyde - Fowler House | 159 |
|