Ohio parcel data coverage
88 of 88 counties (100%) have parcel boundaries on CLILU, 83 with owner names — 10,080,910 parcels in all. Updated 2026-10-17.
| County | Status | Parcels | With owner | Data as of |
|---|---|---|---|---|
| Adams | Owner names | 43,108 | 99.8% | 2026-08-01 · Aging |
| Allen | Owner names | 105,368 | 100% | 2026-08-01 · Aging |
| Ashland | Owner names | 70,576 | 98.4% | 2026-08-01 · Aging |
| Ashtabula | Owner names | 149,426 | 99% | 2026-08-01 · Aging |
| Athens | Owner names | 84,708 | 96.9% | 2026-08-01 · Aging |
| Auglaize | Owner names | 57,430 | 99.3% | 2026-08-01 · Aging |
| Belmont | Owner names | 131,188 | 97.6% | 2026-08-01 · Aging |
| Brown | Owner names | 75,354 | 94.5% | 2026-08-01 · Aging |
| Butler | Owner names | 332,714 | 95.3% | 2026-08-01 · Aging |
| Carroll | Owner names | 56,996 | 98.5% | 2026-08-01 · Aging |
| Champaign | Owner names | 53,160 | 98.9% | 2026-08-01 · Aging |
| Clark | Owner names | 132,400 | 98.7% | 2026-08-01 · Aging |
| Clermont | Owner names | 197,014 | 96.4% | 2026-08-01 · Aging |
| Clinton | Owner names | 53,916 | 98.8% | 2026-08-01 · Aging |
| Columbiana | Owner names | 149,232 | 98.4% | 2026-08-01 · Aging |
| Coshocton | Owner names | 55,204 | 72.3% | 2026-08-01 · Aging |
| Crawford | Owner names | 67,286 | 99.1% | 2026-08-01 · Aging |
| Cuyahoga | Owner names | 1,452,072 | 99.7% | 2026-08-01 · Aging |
| Darke | Owner names | 62,734 | 99.9% | 2026-08-01 · Aging |
| Defiance | Owner names | 53,728 | 97.9% | 2026-08-01 · Aging |
| Delaware | Owner names | 190,912 | 99.7% | 2026-08-01 · Aging |
| Erie | Owner names | 91,818 | 99.8% | 2026-08-01 · Aging |
| Fairfield | Owner names | 74,766 | 99.9% | 2026-10-16 · Current |
| Fayette | Owner names | 36,288 | 96.2% | 2026-08-01 · Aging |
| Franklin | Owner names | 493,372 | 99.7% | 2026-10-16 · Current |
| Fulton | Owner names | 46,970 | 99.3% | 2026-08-01 · Aging |
| Gallia | Owner names | 51,366 | 98.4% | 2026-09-02 · Aging |
| Geauga | Owner names | 101,538 | 99.6% | 2026-08-01 · Aging |
| Greene | Owner names | 152,426 | 98.9% | 2026-08-01 · Aging |
| Guernsey | Owner names | 81,338 | 99.2% | 2026-08-01 · Aging |
| Hamilton | Owner names | 709,042 | 98.9% | 2026-08-01 · Aging |
| Hancock | Owner names | 77,688 | 99.4% | 2026-08-01 · Aging |
| Hardin | Owner names | 51,962 | 76.6% | 2026-08-01 · Aging |
| Harrison | Owner names | 35,642 | 98.6% | 2026-08-01 · Aging |
| Henry | Owner names | 39,224 | 99.8% | 2026-08-01 · Aging |
| Highland | Owner names | 64,318 | 99.5% | 2026-08-01 · Aging |
| Hocking | Owner names | 45,462 | 79.3% | 2026-08-01 · Aging |
| Holmes | Owner names | 56,530 | 100% | 2026-08-01 · Aging |
| Huron | Owner names | 80,708 | 99.6% | 2026-08-01 · Aging |
| Jackson | Owner names | 65,404 | 93.6% | 2026-08-01 · Aging |
| Jefferson | Owner names | 116,882 | 97% | 2026-08-01 · Aging |
| Knox | Owner names | 83,514 | 99.6% | 2026-08-01 · Aging |
| Lake | Owner names | 114,092 | 98.5% | 2026-10-16 · Current |
| Lawrence | Owner names | 112,746 | 95.8% | 2026-08-01 · Aging |
| Licking | Owner names | 190,616 | 98.5% | 2026-08-01 · Aging |
| Logan | Owner names | 52,449 | 99.4% | 2026-08-01 · Aging |
| Lorain | Owner names | 169,497 | 99.4% | 2026-10-16 · Current |
| Lucas | Owner names | 189,945 | 100% | 2026-09-02 · Aging |
| Madison | Owner names | 25,211 | 96.3% | 2026-10-16 · Current |
| Mahoning | Owner names | 162,585 | 98% | 2026-10-16 · Current |
| Marion | Owner names | 38,672 | 95.3% | 2026-10-16 · Current |
| Medina | Owner names | 138,886 | 91% | 2026-08-01 · Aging |
| Meigs | Owner names | 28,155 | 100% | 2026-10-16 · Current |
| Mercer | Owner names | 25,726 | 98.7% | 2026-10-16 · Current |
| Miami | Owner names | 54,924 | 96.5% | 2026-10-16 · Current |
| Monroe | Owner names | 17,699 | 96.3% | 2026-10-16 · Current |
| Montgomery | Owner names | 286,956 | 87.9% | 2026-10-16 · Current |
| Morgan | Owner names | 19,181 | 98.9% | 2026-10-16 · Current |
| Morrow | Owner names | 28,767 | 96.1% | 2026-10-16 · Current |
| Muskingum | Owner names | 57,816 | 98.8% | 2026-10-16 · Current |
| Noble | Owner names | 16,315 | 96.7% | 2026-10-16 · Current |
| Ottawa | Owner names | 58,812 | 82.8% | 2026-08-01 · Aging |
| Paulding | Owner names | 13,329 | 98.5% | 2026-10-16 · Current |
| Perry | Owner names | 30,015 | 95.4% | 2026-10-16 · Current |
| Pickaway | Owner names | 31,762 | 97.3% | 2026-10-16 · Current |
| Pike | Parcels, owners partial | 98,854 | 0% | 2026-10-17 · Current |
| Portage | Owner names | 99,844 | 99.5% | 2026-09-02 · Aging |
| Preble | Parcels, owners partial | 158,346 | 0% | 2026-10-17 · Current |
| Putnam | Owner names | 30,205 | 99.9% | 2026-10-16 · Current |
| Richland | Owner names | 73,023 | 99% | 2026-10-16 · Current |
| Ross | Owner names | 45,008 | 99.6% | 2026-10-16 · Current |
| Sandusky | Parcels, owners partial | 67,294 | 0% | 2026-10-17 · Current |
| Scioto | Owner names | 58,120 | 98.3% | 2026-10-16 · Current |
| Seneca | Owner names | 45,569 | 100% | 2026-10-16 · Current |
| Shelby | Owner names | 31,518 | 99.2% | 2026-10-16 · Current |
| Stark | Owner names | 200,330 | 99.7% | 2026-10-16 · Current |
| Summit | Owner names | 518,168 | 99.9% | 2026-10-16 · Current |
| Trumbull | Owner names | 135,173 | 100% | 2026-10-16 · Current |
| Tuscarawas | Owner names | 59,337 | 98.8% | 2026-10-16 · Current |
| Union | Owner names | 37,882 | 98.4% | 2026-10-16 · Current |
| Van Wert | Owner names | 18,185 | 99.7% | 2026-10-16 · Current |
| Vinton | Owner names | 11,580 | 99.5% | 2026-10-17 · Current |
| Warren | Owner names | 108,021 | 98.5% | 2026-10-17 · Current |
| Washington | Parcels, owners partial | 126,416 | 0% | 2026-10-17 · Current |
| Wayne | Owner names | 56,615 | 99.2% | 2026-10-16 · Current |
| Williams | Owner names | 26,084 | 99.2% | 2026-10-16 · Current |
| Wood | Owner names | 39,352 | 100% | 2026-09-02 · Aging |
| Wyandot | Parcels, owners partial | 41,046 | 0% | 2026-10-17 · Current |
“Current” = compared with the county or state source in the last 35 days; “Aging” = 36–180 days; “Older” = not yet compared automatically.