Tax parcel lookup for the Catskills' southern gateway
Sullivan County sits in the Catskills, about 90 minutes northwest of New York City, anchored by Monticello (the county seat). Once known as the heart of the mid-20th-century "Borscht Belt" resort era, the county today mixes small towns like Liberty and Callicoon with lakes, state forest land, and second-home communities throughout the Catskills.
NY Property Peek's dataset includes over 67,000 individual tax parcels across Sullivan County, each with details like year built, square footage, bedroom and bathroom counts, and school district where available — pulled from New York State's statewide tax parcel records.
View the interactive map for Sullivan County →NY Property Peek holds 67,340 tax parcel records for Sullivan County, spread across 21 towns, cities and villages and 11 school districts. The median Sullivan County parcel sits on 1.01 acres, has 1,530 sq ft of finished living space, and dates to 1970. The median full market value on file is $182,600.
Construction dates for the 40,213 Sullivan County parcels whose records name a year built.
| Built | Parcels | Share |
|---|---|---|
| Before 1900 | 1,486 | 4% |
| 1900–1949 | 10,459 | 26% |
| 1950–1979 | 11,386 | 28% |
| 1980–1999 | 7,963 | 20% |
| 2000 or later | 8,919 | 22% |
The most common property classes among the 67,288 Sullivan County parcels that carry one. New York State assigns every parcel a class code describing how it is used.
| Property class | Parcels | Share |
|---|---|---|
| One family year-round residence | 29,394 | 44% |
| Residential vacant land | 10,057 | 15% |
| Rural vacant lots of 10 acres or less | 6,511 | 10% |
| Residential vacant land over 10 acres | 2,566 | 4% |
| Seasonal residences | 2,471 | 4% |
Where Sullivan County's parcels are, by the municipality each one is assessed in.
| Municipality | Parcels | Share of county |
|---|---|---|
| Fallsburg | 9,915 | 15% |
| Thompson | 8,392 | 12% |
| Mamakating | 7,509 | 11% |
| Bethel | 7,372 | 11% |
| Liberty | 4,675 | 7% |
| Rockland | 3,520 | 5% |
| Lumberland | 2,991 | 4% |
| Neversink | 2,893 | 4% |
Every figure above is counted directly from the 67,340 Sullivan County records in this site's copy of New York State's statewide tax parcel dataset — none of it is estimated or modelled. Assessment records are a snapshot of what each assessor filed, so an individual parcel can be out of date or incomplete. Nothing here is a title search or a legal description of a property.