New Hampshire · FIPS 33001 · County seat: Laconia
Belknap County, NH GIS & Parcel Viewer
Looking for lot lines or a parcel number in Belknap County, NH? The quickest route is NHDOT Parcel Mosaic Viewer, the statewide parcel map we keep on file for this county. We link straight to it and add a few tips for getting around.
Open the Belknap County statewide map ↗
Opens experience.arcgis.com in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | NHDOT Parcel Mosaic Viewer |
|---|---|
| Type | Statewide map (covers all of New Hampshire) |
| Website | experience.arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Laconia |
| Population | 65,027 (2023 Census Bureau estimate) |
| Land area | 402 sq mi |
| FIPS code | 33001 |
Who runs this map
The link goes to a statewide map (NHDOT Parcel Mosaic Viewer). It shows parcels for Belknap County along with the rest of New Hampshire. Because a state agency compiles this layer from local data, check with the Belknap County assessor or recorder before relying on a recent change. Our October 2026 check found the map open to the public, with no account or payment needed.
How to use the Belknap County viewer
- Press the button to load the statewide viewer, then move the map to Belknap County.
- Use the viewer's search tool to find an address or parcel, if it has one.
- Click a lot to read its details.
- For deeds, taxes or official copies, take the parcel number to the county's own offices.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
Belknap County by the numbers
Census Bureau figures put Belknap County at about 65,027 people (2023 estimate) on roughly 402 square miles of land, which is about 162 residents per square mile. By population it ranks 7th of 10 counties in New Hampshire. Another 68 square miles of water fall within its lines, according to Census mapping. Its county seat is Laconia.
Nearby parcel maps
Parcels close to the edge of Belknap County can fall in the next county over. Neighboring counties:
A note on accuracy
Online parcel lines are drawn for tax and planning use. They can be off by several feet, so use a recorded plat or a licensed surveyor for fences, setbacks or a sale.