Median estimated market value for properties in this county.
AssessorSearch county dataSullivan County, NH
Sullivan County, NH assessor property search and records
Use this county guide to find official assessor property search resources, recorder and deed links, tax records, GIS parcel maps, permits, and property data insights for Sullivan County, New Hampshire. Search an address or APN, then jump to official county sources or property tax and value data.
Search a Sullivan County address or APN
Official sources
Sullivan County assessor, recorder, tax, and parcel map sources
Use this table to find the official county source for assessor property search, recorded documents, property tax, GIS parcel maps, permits, and zoning records.
| Record type | Official source | Notes |
|---|---|---|
| Assessed values | Town of Sullivan Property Assessmentdata.avitarassociates.com/logondirect.aspx |
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| Deeds and recorded documents | Sullivan County Registry of Deedswww.nhdeeds.org/sullivan-county/ |
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| Property taxes | Sullivan NH Property Tax Kiosknhtaxkiosk.com |
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| GIS and parcel maps | Sullivan County GIS Open Datagis2017-04-13t155717567z-sullconygiso.opendata.arcgis.com |
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| Permits and building records | Town of Sullivan Building & Land Use Permitssullivannh.govoffice3.com/index.asp |
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| Zoning and land use | New Hampshire Zoning Atlasstorymaps.arcgis.com/stories/410e9b3e818344d7858a043b9a5fe8c7 |
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County data
Sullivan County tax rates and property values
County and city-level rollups from AssessorSearch indexed property data. Use these values as directional context, then verify parcel-specific details with the official county sources above.
Median assessed value from county assessment records when available.
AssessorSearch county dataMedian annual property tax amount from indexed tax records when available.
AssessorSearch county dataMedian effective property tax rate calculated from annual tax and value fields.
AssessorSearch county dataCity property data
Top city rollups for estimated value, assessed value, property tax rate, and tax amount.
| City | Median estimated value | Median assessed value | Median effective property tax rate | Median tax amount |
|---|---|---|---|---|
| Claremont | $303,636 | $231,160 | 2.28% | $6,951 |
| Newport | $348,714 | $257,808 | 1.85% | $6,164 |
| Sunapee | $644,336 | $575,800 | 0.91% | $6,079 |
| Charlestown | $328,679 | $171,000 | 1.86% | $6,061 |
| Grantham | $509,090 | $377,350 | 1.49% | $7,641 |
| Washington | $387,805 | $283,500 | 1.20% | $4,599 |
| Cornish | $447,619 | $426,482 | 1.65% | $7,378 |
| Plainfield | $547,526 | $472,243 | 1.50% | $8,268 |
| Lempster | $285,857 | $168,000 | 1.71% | $4,886 |
| Springfield | $525,289 | $483,781 | 1.26% | $6,652 |
FAQ
Sullivan County property records FAQ
Common questions about assessor, deed, tax, GIS, and permit records.
Where can I search Sullivan County property records by address?
Use the official Town of Sullivan Property Assessment to search Sullivan County property records by address or parcel number. Use AssessorSearch property search as a free, easy-to-use option to search Sullivan County by address or APN.
How do I find the owners of Sullivan County properties?
Use the official Town of Sullivan Property Assessment for county ownership and parcel records when owner names are available online. Use AssessorSearch property search as a free, easy-to-use option to look up Sullivan County properties by address or APN.
Where can I verify assessed value in Sullivan County?
Use the official Town of Sullivan Property Assessment for assessed values, parcel details, exemptions, and property characteristics when those records are available online.
Where can I look up Sullivan County property tax bills or payments?
Use the official Sullivan NH Property Tax Kiosk for property tax bills, payment history, due dates, or tax collector records.
Where can I find deeds or recorded documents in Sullivan County?
Use the official Sullivan County Registry of Deeds for deeds, mortgages, liens, plats, and other recorded documents. These records are usually separate from assessor property-value records.
Where can I view parcel maps or GIS data in Sullivan County?
Use the official Sullivan County GIS Open Data for parcel maps, map layers, boundaries, and GIS context. GIS maps should be treated as reference tools, not legal surveys.
Where can I search permits or zoning in Sullivan County?
Use Town of Sullivan Building & Land Use Permits for permits and New Hampshire Zoning Atlas for zoning or land-use records. City properties may require city-specific permit or planning portals.
Can I build a list of Sullivan County property owners?
Use Affix by AssessorSearch for county property owner lists, filters, exports, skip tracing, and outreach workflows.
Related counties
More New Hampshire property records
Use related county pages when researching nearby property records or comparing official source patterns.