| JEFFERSON County NY | |
| Last Updated: | October 2020 |
| Towns and municipalities | ||
| Name | Number of Tax Maps | Number of Tax Records |
| WATERTOWN | N/A* | 8895 |
| ADAMS | 10 | 729 |
| ADAMS | 17 | 1731 |
| ALEXANDRIA ALEXANDRIA BAY | 11 | 742 |
| ALEXANDRIA | 42 | 3360 |
| ANTWERP | 7 | 332 |
| ANTWERP | 12 | 762 |
| BROWNVILLE | 4 | 427 |
| BROWNVILLE DEXTER | 6 | 440 |
| BROWNVILLE GLEN PARK | 4 | 230 |
| BROWNVILLE | 33 | 2679 |
| CAPE VINCENT | 6 | 530 |
| CAPE VINCENT | 30 | 2242 |
| CHAMPION WEST CARTHAGE | 9 | 659 |
| CHAMPION | 18 | 1501 |
| CLAYTON | 17 | 1012 |
| CLAYTON | 33 | 2986 |
| ELLISBURG | 8 | 151 |
| ELLISBURG MANNSVILLE | 6 | 202 |
| ELLISBURG | 22 | 2337 |
| HENDERSON | 23 | 2189 |
| HOUNSFIELD SACKETS HARBOR | 15 | 762 |
| HOUNSFIELD | 17 | 1634 |
| LE RAY BLACK RIVER | 5 | 318 |
| LE RAY EVANS MILLS | 8 | 272 |
| LE RAY | 22 | 1995 |
| LORRAINE | 6 | 702 |
| LYME CHAUMONT | 7 | 350 |
| LYME | 42 | 2963 |
| ORLEANS | 31 | 2706 |
| PAMELIA GLEN PARK | 1 | 28 |
| PAMELIA | 25 | 1637 |
| PHILADELPHIA | 8 | 362 |
| PHILADELPHIA | 7 | 471 |
| RODMAN | 10 | 758 |
| RUTLAND BLACK RIVER | 3 | 223 |
| RUTLAND | 20 | 1357 |
| THERESA | 10 | 426 |
| THERESA | 30 | 1943 |
| WATERTOWN | 35 | 2106 |
| WILNA CARTHAGE | 20 | 1171 |
| WILNA DEFERIET | 6 | 149 |
| WILNA HERRINGS | 2 | 70 |
| WILNA | 18 | 1209 |
| WORTH | 8 | 415 |
| Number of tax records: | 58163 |
| Number of tax maps: | 674 |
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