Coos County Property Appraiser & Tax Assessor
Real property appraisal records, parcel search lookup, property tax rates, and assessment protest deadlines for Coos County, New Hampshire.
Coos County Assessor's Office Information
Coos County Appraisal & Assessment Office, Lancaster, NH 33001
Get Driving Directions ↗Monday - Friday: 8:00 AM - 4:30 PM (Local Time)
Closed on state & federal holidays.
(603) 619-9617
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Coos County Property Tax Calculator
Estimated using Coos County's effective tax rate of 1.93% (Assessment ratio: 100%)
Appealing Your Coos County Assessment
March 1 following the notice of tax bill.
Under New Hampshire property tax law, property owners in Coos County have the legal right to challenge an assessed valuation that exceeds fair market value, is unequally appraised compared to neighboring properties, or contains clerical errors.
Contact the Coos County Assessor's Office to review your property record card, verify square footage, and present recent comparable sales (comps).
If informal review does not resolve the valuation, file a written notice of appeal with the Local Board of Selectmen / Assessors & Board of Tax and Land Appeals (BTLA) before the statutory deadline.
Was Your Coos County Home Over-Assessed This Year?
Studies show up to 30% to 60% of US residential properties are overvalued by automated municipal algorithms. Protesting your assessment before the statutory deadline can lower your tax bill by an average of $1,100/year.
Coos County Homestead Exemptions & Tax Relief
Homeowners in Coos County who occupy their home as their permanent primary residence may qualify for property tax reductions under state and local homestead programs:
Low and Moderate Income Homeowners Property Tax Relief provides state property tax rebates for households making under $37,000 (single) or $47,000 (married).
Standard veteran tax credit of $50 to $750 off tax bills. $700 to $4,000 credit for 100% disabled veterans.
Need Deed, Lien, or Title Records for Coos County?
While the Property Appraiser values real estate for taxation, official legal property transfers, warranty deeds, mortgages, and marriage records in Coos County are maintained by the County Clerk & Recorder.
Frequently Asked Questions
Where is the Coos County Property Appraiser office located?
The official Coos County property appraisal and tax assessment office is located at Coos County Appraisal & Assessment Office, Lancaster, NH 33001. Operating hours are typically Monday - Friday: 8:00 AM - 4:30 PM (Local Time). You can reach the customer service staff by phone at (603) 619-9617.
What is the property tax rate in Coos County, NH?
The average effective property tax rate in Coos County is approximately 1.93%. For a home with the median county market value of $380.000, the estimated annual property tax is about $7334 per year.
How do I search for a property or parcel in Coos County?
You can look up property record cards, assessed valuations, ownership history, and parcel boundary maps online through the official Coos County parcel search portal: https://cooscountynh.gov/assessor/parcel-search.
When is the deadline to appeal my property assessment in Coos County?
Property valuation protests and appeals in Coos County must be submitted by: March 1 following the notice of tax bill. Appeals are formally reviewed and heard by the Local Board of Selectmen / Assessors & Board of Tax and Land Appeals (BTLA).
How does the Homestead Exemption work in Coos County?
Low and Moderate Income Homeowners Property Tax Relief provides state property tax rebates for households making under $37,000 (single) or $47,000 (married). Additional exemptions are available for senior citizens (65+) and disabled military veterans (Standard veteran tax credit of $50 to $750 off tax bills. $700 to $4,000 credit for 100% disabled veterans.).
Adjacent & Neighboring County Appraisers
County Overview
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