Blog · October 8, 2026 · New York
Using the Sullivan County Parcel Map
The free official parcel map for Sullivan County, how to search it, and what the parcel data does and doesn't tell you about owners, acreage and property lines.
Main page: Sullivan County, NY GIS & Parcel Viewer (official map link, Sullivan County facts and neighboring maps).
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A Sullivan County parcel map is the quickest way to see who owns a tract, how big it is and where its lines run before you drive out to look. Sullivan County in New York publishes that information for free.
The sections below cover the map itself, the towns from Cochecton to Hankins, and the deeds and surveys that settle what the map can't.
Getting into the Sullivan County ArcGIS parcel map
Open the Sullivan County ArcGIS parcel map (built on an Esri ArcGIS web map); it is the county's own published map. Rural tracts in Sullivan County often have no street address, so try an owner search or simply pan to the area and click. The same link lives on our Sullivan County county page, along with links for the surrounding area.
Who uses the Sullivan County parcel map
The same map serves very different jobs around Cochecton. Buyers new to Cochecton often pull the neighbors' parcels too, to see how big the surrounding lots are and who owns them. A builder sizing up an infill lot near Cochecton can check its width, depth and road frontage in a couple of minutes. For a hunter with permission on one farm near Delaware, the parcel map shows exactly where that permission stops.
What the map covers, from Monticello to the back roads
The county seat is Monticello; Bethel, Callicoon, Cochecton, and Delaware are among the other communities you can zoom to. Out in the countryside, Barryville, Bridgeville, and Eldred appear as small knots of lots along the road network. The county was organized in 1809 and named for John Sullivan, so some tracts carry a long chain of deeds. The Census Bureau puts Sullivan County at about 968 square miles of land and an estimated 79,920 people (2023). That density means a real mix on the map: platted neighborhoods near Cochecton, and larger tracts on the rural roads. Parcels touching the Delaware River and Upper Delaware Scenic and Recreational River tend to run long and narrow back from the water, a pattern you can see clearly on the Sullivan County map. Terrain such as the Catskill Mountains and Beech Mountain explains why some parcels are long and narrow while others follow ridgelines.
The Sullivan County economy in brief
In the 2022 County Business Patterns data, Sullivan County had 2,038 establishments; retail trade, construction, and accommodation and food services led the count. What stands out is nursing and residential care, beverage and tobacco manufacturing, and accommodation (hotels, motels, RV parks and camps): those sectors make up a much larger slice of local businesses than they do nationally. A buyer looking for a cabin lot near Callicoon may find recreation buyers in the mix too. If you're comparing land near Bethel with land near Monticello, the local job base is part of the price story.
Reading property lines on the Sullivan County parcel map
Parcel boundaries on the Sullivan County viewer are drawn to keep tax accounts straight, so small offsets from the true line are expected. Out toward Hankins, boundaries follow bearings and old landmarks rather than a grid, and the parcel layer shows it. If a neighbor's fence near Delaware and the map disagree, neither one is proof. A survey is.
Acreage and vacant lot search
How to work the Sullivan County parcel map for open land:
- Follow the roads out of Callicoon with aerials on and mark every tract without a rooftop.
- For each tract near Callicoon, note the parcel ID, the owner and where the tax bill is mailed.
- Compare the record's land value against similar parcels on the same road out of Delaware.
- Make sure the parcel near Delaware actually touches a public road, and ask how it's reached if it doesn't.
- Last, call the Sullivan County planning or health office about permits, septic and floodplain before you commit.
To double-check acreage on a parcel near Hankins, see how to find the acreage of a property.
Behind the map: land records in Sullivan County
Every line on the Sullivan County map traces back to a recorded deed or plat, and the county's recording office keeps those documents. Which office that is depends on how New York organizes it, so look it up on the Sullivan County government site before you call. Easements and rights-of-way are usually in recorded documents, not on the parcel map, so read the deed itself for a tract near Hankins.
Neighboring counties
Shopping near the edge of Sullivan County? Compare listings in Delaware County, Orange County, and Ulster County too; prices and parcel sizes can shift across the line. The New York county list links every neighboring map from Sullivan County.
Common questions
Why is a recent Sullivan County, NY sale missing from the map?
A sale in Delaware has to be recorded and then processed for taxes before the map changes, which takes time.
Can I check flood zones on the Sullivan County map?
Zoning for land near Delaware comes from the local planning office; flood zones are on FEMA's map service if the viewer lacks them.
Can I find the owner of a vacant lot in Sullivan County?
Search by address if the lot near Cochecton has one; otherwise click the tract on the map to see the owner of record.
How can I see my lot lines in Sullivan County?
Pull up the tract on the Sullivan County map, copy its legal description, and compare it with the deed. Exact corners take a surveyor.
Open the official Sullivan County, NY parcel map Sullivan County in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.