Sullivan County Property Search

Search free Sullivan County NH property, land, and tax records through local government assessors, auditors, clerks, property appraisers, deeds recorders, treasurers, tax collectors, city halls, and town halls.


The Sullivan County Assessor is responsible for determining the value of property in order to determine Sullivan County property taxes. The Sullivan County Assessment Office collect data from on-site inspections, value assessments for construction or improvements, comparable sales, and calculations of depreciation. The Sullivan County Tax Assessor maintains current data on every parcel in the Sullivan County, which includes ownership information, maps of property lines, inventories of parcels and structures, and the value of all the property in the Sullivan County, NH. The Sullivan County Assessor’s Office can answer questions regarding Sullivan County property tax appeals and assessments, Sullivan County property tax rates and payment due dates.

Washington Assessor Washington NH 7 Halfmoon Pond Road 03280 603-495-3074


The Sullivan County Clerk files important documents and preserves municipal records in order to maintain an archive of Sullivan County property records that can be accessed by the public. The Clerk's Office is a valuable source of information on property in Sullivan County, New Hampshire. The Sullivan County Clerk's Office contains documentation on real estate excise taxes, registered land, and property transactions, as well as land documents including Sullivan County deeds, mortgages, and liens on properties.

Charleston Town Clerk Charlestown NH 26 Railroad Street 03603 603-826-5821

Claremont City Clerk Claremont NH 58 Opera House Square 03743 603-542-7000

Cornish Town Clerk Cornish NH 488 Town House Road 03745 603-675-5207

Goshen Town Clerk Goshen NH 54 Mill Village Road South 03752 603-863-5655

Lempster Town Clerk Lempster NH 856 New Hampshire 10 03605 603-863-3213

Sullivan County Clerk Claremont NH 1 Police Court 03743 855-212-1234


Sullivan County Town Halls and City Hall are the chief administrative offices that runs the town or city. The Town Hall or City Hall often maintains records related to the locality, including Sullivan County property taxes, property value assessments, and land transactions, as well as property sales and transfers in Sullivan County, New Hampshire.

Charlestown Hall Charlestown NH 19 Summer Street 03603 603-826-9751

Cornish Town Hall Cornish NH 294 Town House Road 03745 603-675-2500

Langdon Town Hall Langdon NH 122 Langdon Road 03602 603-835-6260

Newport Town Hall Newport NH 15 Sunapee Street 03773 603-863-6278

Sunapee Town Hall Sunapee NH 23 Edgemont Road 03782


The Sullivan County Treasurer and Tax Collector’s Office is responsible for the collection of Sullivan County property tax revenue. The Treasurer and Tax Collector maintains current Sullivan County property tax information including Sullivan County property ownership information, GIS Maps, tax maps, historical property tax rates, lists of sold parcels, and is also charged with the sale of properties due to a default on taxes in Sullivan County, New Hampshire.

Cornish Town Tax Collector Cornish NH 488 Town House Road 03745 603-675-5221

Grantham Town Tax Collector Grantham NH 300 New Hampshire 10 03753 603-863-5608

Langdon Tax Collector Langdon NH 122 Langdon Road 03602 603-835-6260

Newport Tax Collector Newport NH 15 Sunapee Street 03773 603-863-6407

Sullivan County Tax Collector's Office Newport NH 14 Main Street 03773 603-863-1877

Sunapee Tax Collector Sunapee NH 23 Edgemont Road 03782 603-763-2449

Washington Tax Collector Washington NH 7 Halfmoon Pond Road 03280 603-495-3667