New Haven County Property Tax Appeal — Connecticut

Rob Hartley·Updated February 9, 2026

New Haven County is the third-most populous county in Connecticut, encompassing 27 municipalities including the city of New Haven, the state's second-largest city. The county serves as a major economic and educational hub, home to Yale University and numerous businesses.

Notable cities: New Haven, Waterbury, Meriden, Milford, Hamden

Median Home

$174,720

Tax Rate

3.48%

Annual Tax

$6,350

Population

approximately 860,000

2026 Appeal Deadline: February 20, 2026

Property owners must file written appeals with their local Board of Assessment Appeals by February 20, 2026. This is a statutory deadline that applies to all Connecticut municipalities.

Property in New Haven County, Connecticut — local tax assessment and appeal guide

How New Haven County Assesses Property

70%of market value

Assessed by: Each municipality's Assessor's Office (county does not assess)

Assessment cycle: quinquennial (every 5 years)

Notices typically mailed: Spring (typically mid-April)

In New Haven County municipalities, properties are assessed at 70% of their fair market value. For example, a home with a market value of $200,000 would have an assessed value of $140,000.

The Appeal Process

Appeals are heard by the Board of Assessment Appeals. You must appear in person or send an authorized agent to present your case. The Board will review your evidence and make a determination on your property's assessed value.

Step 1: Review your assessment notice received in spring

Step 2: Gather evidence (comparable sales, photos, repair estimates)

Step 3: File written appeal application by February 20, 2026

Step 4: Attend scheduled hearing before Board of Assessment Appeals

Step 5: Receive decision from the Board

Step 6: If unsatisfied, appeal to Superior Court within 2 months

Required form: Board of Assessment Appeals Application (varies by municipality)

Filing Methods

in-person:Submit to your local Assessor's office (varies by municipality)

mail:Mail to Board of Assessment Appeals at your local municipality's address

email:Some municipalities accept email submissions (check with local assessor)

Evidence to Bring

Recent sales of comparable propertiesProperty condition photosProfessional appraisalsRepair estimatesIncome/expense statements (for rental properties)

New Haven County Assessor Contact

New Haven Assessor's Office (largest city)

Phone: (203) 946-4800

Address: 165 Church Street, New Haven, CT 06510

Website: https://www.newhavenct.gov/government/departments-divisions/assessor-s-office

Online Portal: https://gis.vgsi.com/newhavenct/

Tax Exemptions in New Haven County

Veterans Exemption

Varies by municipality and disability rating

Property tax exemption for honorably discharged veterans

Eligibility: Honorably discharged veterans, including those with service-connected disabilitiesDeadline: Must file with assessor by October 1st

Disabled Persons Exemption

$1,000 assessment reduction

Property tax exemption for permanently disabled individuals

Eligibility: Must receive permanent total disability benefits under Social Security or qualify for permanent disability benefitsDeadline: October 1st

Senior Citizens Tax Relief

Varies by municipality

Various municipal programs for elderly homeowners

Eligibility: Age 65 or older with income limitsDeadline: Varies by municipality

Military Service Exemption

One passenger vehicle exempt from taxation

Motor vehicle exemption for active military

Eligibility: Active members of U.S. armed forcesDeadline: Must file with assessor

Official Resources

Connecticut Department of Revenue Services - Property Tax →

Official state property tax information, exemptions, and assessment guidelines for Connecticut.

Connecticut Office of Policy and Management - Property Tax Database →

Statewide property tax data and municipal information including New Haven County towns.

Connecticut Association of Assessing Officers →

Professional organization providing property assessment resources and assessor contact information for Connecticut municipalities.

New Haven County Appeal Statistics

% Who Appeal

25%

Check Your New Haven County Assessment

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Frequently Asked Questions

What is the deadline to file a property tax appeal in New Haven County?

The deadline to file a property tax appeal in New Haven County municipalities is February 20, 2026. This is a statutory deadline that applies to all Connecticut towns. You must file a written appeal with your local Board of Assessment Appeals by this date.

How do I appeal my property tax assessment in New Haven County?

To appeal your assessment, obtain an appeal application from your local assessor's office, complete it with your property information and reason for appeal, and submit it by February 20, 2026. You'll need to appear before the Board of Assessment Appeals with supporting evidence like comparable sales or appraisals.

What happens at a Board of Assessment Appeals hearing in New Haven County?

At the hearing, you'll present your case to the Board, explaining why your assessment is too high. You should bring evidence like recent comparable sales, photos of property conditions, or professional appraisals. The Board will review your evidence and make a decision on whether to adjust your assessment.

Can I appeal my property taxes if I live in Waterbury, Hamden, or other New Haven County towns?

Yes, all New Haven County municipalities follow the same Connecticut statutory process for property tax appeals. Each town has its own Board of Assessment Appeals, but the February 20th deadline and general procedures are consistent throughout the county.

What evidence do I need for a property tax appeal in New Haven County?

Strong evidence includes recent sales of similar properties in your neighborhood, a professional appraisal dated close to October 1, 2026, photos showing property defects or conditions, repair estimates, and any documentation showing errors in your property record card.

Is there a homestead exemption available in New Haven County?

Connecticut does not offer a general homestead exemption. However, various exemptions are available for veterans, disabled persons, and seniors. Some municipalities offer additional local tax relief programs. Contact your local assessor's office to learn about available exemptions in your specific town.

What if I disagree with the Board of Assessment Appeals decision?

If you're unsatisfied with the Board's decision, you can appeal to Connecticut Superior Court within two months of receiving the Board's decision. For assessments over $1 million, you must file an appraisal with the court within 120 days of commencing the appeal.

For state-wide appeal information including Connecticut's assessment ratio and deadlines, see our Connecticut Property Tax Appeal Guide →

Considering professional help with your appeal? Compare pricing, coverage, and pros/cons in our Best Property Tax Appeal Services (2026) or browse side-by-side service comparisons →

More Connecticut Counties

Fairfield County (Bridgeport)Hartford County (Hartford)

← All Connecticut property tax appeal info

Sources: https://www.ownwell.com/trends/connecticut/new-haven-county | https://www.tax-rates.org/connecticut/new_haven_county_property_tax | https://www.newhavenct.gov/government/departments-divisions/assessor-s-office | https://www.newhavenct.gov/government/boards-commissions/boards-commissions-listed/board-of-assessment-appeals

Last verified: 2026-02-09