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Assessor’s Office
The assessor’s job is to ensure that the city’s tax base is distributed fairly and accurately. This is done through the discovery, data collection and valuation of all property — real estate, business personal property, motor vehicle — on the grand list. Property is assessed at 70% of fair market value. The assessor’s office also administers the various exemption and tax relief programs related to property taxation.
Revaluation 2024
For more information on the revaluation process, visit https://www.vgsi.com/taxpayer-revaluation-information/.
2024 Property Records are available online at West Haven GIS.
2025 Personal Property Declarations will be mailed at the end of September with an Online Access Code to the online portal. We encourage all businesses to use the online filing. The 2024 personal property assessment information is found in the online portal. All online Information is confidential. The deadline for filing is Monday, Nov. 3, 2025.
LEGAL NOTICE: 2025 Personal Property Declaration (PDF)
Information & Links
Real Estate
- Online Assessment Records and GIS Data (PDF)
- 2024 Annual Income and Expense Report (PDF)
- Revaluation Questions and Answers (PDF)
- Tax Exempt Application
- Tax Exempt Quadrennial Form (PDF)
- Removing a Motor Vehicle From the Grand List (PDF)
- Motor Vehicle Valuation (PDF)
- DMV Change of Address B-58 Form (PDF)
- DMV Bill of Sale H-31 Form (PDF)
- Tax Exemptions for New Commercial Vehicles (PDF)
- Online Personal Property Filing 2025
- Personal Property Online Filing Instructions (PDF)
- 2025 Personal Property Declaration Long Form [Fillable] (PDF)
- 2025 Personal Property Declaration Short Form (PDF)
- 2025 Manufacturing Machinery and Equipment Exemption Claim Application [Fillable] (PDF)
- 2025 Manufacturing Machinery and Equipment/Itemized Listing Form [Fillable] (PDF)
- 2025 Declaration of Personal Property Motor Vehicle Form (Out-of-State Registered and Unregistered Motor Vehicles) (PDF)
- 2025 Declaration of Personal Property Camper Form (PDF)
- 2025 Farm Machinery, Horses or Ponies Exemption Application [Fillable] (PDF)
- Affidavit: Business Sold or Terminated/Closed/Bankruptcy or Moved (Out of West Haven) (PDF)
- Business Personal Property Information (PDF)
- Business Personal Property Exemption Information (PDF)
- What Is a Business? Am I in Business? Am I a Business? (PDF)
- State Elderly/100% Disabled Homeowners Tax Relief, Local Freeze Program and Blind Exemption (PDF)
- Totally Disabled Tax Exemption Information (PDF) | Application (PDF)
- Veterans Exemptions Information (PDF)
- Disabled Individuals Motor Vehicle Exemption Application (PDF)
- Renters Rebate Program (PDF)
- Board of Assessment Appeals Application (PDF)
- Board of Assessment Appeals Representative Form (PDF)