Tax Assessment

Welcome to The Assessor's Office 

We are committed to ensuring equity and fairness in assessments each year in accordance with New Hampshire rules and laws. It is also our endeavor to provide the best customer service possible. 

If you have any questions or concerns, please contact us by phone at 603-516-6014 or email at CityAssessors@dover.nh.gov. 

Tax Assessment Office Staff

The City Assessor is Donna Langley, Certified New Hampshire Assessor (CNHA).

Our office staff includes the City Assessor, Assessing Clerk and Assessing Technician.  

Inspections

Inspections for building permits, construction, sales, and cyclical review are conducted by Corcoran Consulting Associates, Inc., a contracted service provider. Please contact us if you have any questions regarding inspections or would like to schedule one. 

Cyclical inspections currently in progress are located in the northwesterly region of the city. The general region includes sections of and side streets off of Littleworth Rd, Old Stage Rd, Columbus Ave, and Tolend Rd. 

Major Customer Service Responsibilities for Tax Assessment Office

• Assessment of Property for Tax Purposes
• Reappraisal of Land and Buildings
• Appraisal of New Construction and Permit Work
• Appraisal of Lands, including New Subdivisions & Boundary Line Adjustments
• Property Assessment Records
• Address Changes
• Property Ownership Inquiries
• Explanations of the Property Assessment Function
• Property Tax Abatements
• Exemptions & Credits for the elderly, blind, veteran (disabled, widow, spouse), veteran paraplegic, and totally & permanently disabled
• Low Income Housing Tax Credits (LIHTC)
• Intent to Excavate Applications
• Excavation Tax
• Current Use & Conservation Restriction Assessments
• Current Use Lien Release
• Current Use Penalties
• Intent to Cut Applications
• Timber Tax