Blog · October 13, 2026 · New Hampshire
Using the Sullivan County GIS Map
The free official GIS 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, NH GIS & Parcel Viewer (official map link, Sullivan County facts and neighboring maps).
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Whether you're eyeing acreage outside Newport or settling a question about your own lot in Goshen, the Sullivan County GIS map is the first stop.
We'll start with the official link, then cover Goshen and the other towns, land types, property lines and records.
Who's clicking on Sullivan County parcels
Here's who tends to use it in Sullivan County.
- House hunters looking at Claremont use the parcel record as a free check on the listing: lot size, legal description and last recorded sale.
- Contractors working in Sullivan County use the map to find lot dimensions and neighboring owners before they stake a foundation or schedule a survey.
- Raw-land buyers scan Sullivan County imagery for empty tracts and check the owner records behind them.
- Hunters near Goshen check the lines before opening day so a blood trail or a retrieve doesn't cross onto a neighbor's ground uninvited.
Opening the Sullivan County GIS map
Sullivan County doesn't run its own public parcel site. The free option is the statewide NHDOT Parcel Mosaic Viewer, which includes the county's parcels. Click through the disclaimer and the Sullivan County map loads with parcel lines. For land around Claremont with no street number, zoom to the road and click the tract to open its record. Our Sullivan County, NH page keeps the current link if the official address changes.
Getting oriented in Sullivan County
Claremont, Acworth, Charlestown, and Cornish fill out the town list, and Newport is where the county seat sits. The county dates to 1827, named for John Sullivan, and older deeds may still refer to landmarks from that era. For scale: roughly 538 square miles of land and an estimated 43,969 residents as of 2023, per the Census Bureau. Between Newport and Goshen the map alternates between platted subdivisions and open farm or wooded tracts.
How accurate are Sullivan County, NH property lines?
A Sullivan County GIS map is built for assessment, not construction. In Sullivan County, as in most places, the lines are a best fit of old deed calls onto modern aerial photos. New Hampshire is a metes-and-bounds state. Rural deeds in Sullivan County describe boundaries with bearings, distances and landmarks rather than a square grid, so parcel lines are often irregular. For walking the corners yourself, our guide to finding property corners helps; for a legal answer, call a New Hampshire licensed surveyor.
Work and land use in Sullivan County
Of the 946 establishments the Census Bureau counted in Sullivan County for 2022, the biggest groups were retail trade, construction, and other services. The local economy leans harder than average on wood product manufacturing, machinery manufacturing, and nonmetallic mineral product manufacturing. Wooded parcels between Claremont and Charlestown may be managed timber, so read the aerial history before you assume a tract is untouched.
Where Sullivan County deeds and plats are kept
The map near Goshen is only as good as the deeds behind it, and those are kept in the county's recording office. Names differ across states, so confirm on the official Sullivan County site which office records deeds and plats. Copy the parcel ID and legal description before you call or visit; recording staff can find a Sullivan County document much faster with them.
Nearby parcel maps
Looking at land between Acworth and the Cheshire County line? Remember that Cheshire County, Grafton County, Hillsborough County, Merrimack County, and Windham County, VT each keep separate parcel records. Use the New Hampshire county GIS hub to jump between them.
Frequently asked questions
What's the best way to locate a boundary in Sullivan County?
On rural land near Georges Mills, the parcel map gives a rough outline, the deed gives the calls, and a New Hampshire surveyor finds the corners.
Do I need an account to use the Sullivan County GIS map?
Free. The Sullivan County map is a public record tool, and no sign-up is needed.
Can I find the owner of a vacant lot in Sullivan County?
Search by address if the lot near Newport has one; otherwise click the tract on the map to see the owner of record.
What is the county seat of Sullivan County?
The county seat is Newport.
Can I check flood zones on the Sullivan County map?
Zoning for land near Claremont comes from the local planning office; flood zones are on FEMA's map service if the viewer lacks them.
Open the official Sullivan County, NH 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.