The Sullivan County treasurer and tax collector office is responsible for billing and collecting property taxes from all taxable parcels in the county and managing county funds in accordance with state law. There are 6 Treasurer Tax Collector locations in Sullivan County, New Hampshire.

Property owners in Sullivan County who have questions about their tax bill, want to apply for an exemption, or need to set up a payment plan for delinquent taxes should contact the county tax collector office using the information listed below.

List of Sullivan County, New Hampshire Treasurer Tax Collector

Cornish Town Tax Collector

View Details Call Now (603) 675-5221

Cornish Town Tax Collector

Address
Get Direction
Hours

Grantham Town Tax Collector

View Details Call Now (603) 863-5608

Grantham Town Tax Collector

Address
Get Direction
Hours

Sunapee Tax Collector

View Details Call Now (603) 763-2449

Sunapee Tax Collector

Address
Get Direction
Hours

Sullivan County Tax Collector's Office

View Details Call Now (603) 863-1877

Sullivan County Tax Collector's Office

Address
Get Direction
Hours

Newport Tax Collector

View Details Call Now (603) 863-6407

Newport Tax Collector

Address
Get Direction
Hours

Washington Tax Collector

View Details Call Now (603) 495-3667

Washington Tax Collector

Address
Get Direction
Hours

Sullivan County property owners can often access tax bill history, parcel information, and payment status through the county's online tax portal — checking your account online before visiting the office can resolve many routine questions without a trip to the tax collector's office.

You may also find Treasurer Tax Collector locations in neighboring counties including Merrimack, Sullivan, Hillsborough.