521 First Ave
West Haven, CT 06516
residentialThree-Family
Building & Site Intelligence
Complete building characteristics, construction details, and site data from municipal assessor records and supplementary sources.
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Property Intelligence: 521 First Ave, West Haven, CT 06516
Property Overview
521 First Ave is a Multi-Family, Three-Family, built in 1910, 2,431 square feet, 0.11 acres in South Central Connecticut Planning Region, CT. 5 bedrooms, 3 bathrooms. Ownership type: Individual. Assessed value: $342,700.
Condition & Permits
No building permits on file.
Risk & Hazard Profile
NEP Fire Protection Grade: A. FEMA flood zone: X. Risk assessment combines NEP proprietary ratings with federal, state, and municipal hazard data at parcel-level precision.
Ownership & Deed History
1 deed and lien records on file. Last sale: March 2004 for $127,500. Full ownership chain, entity resolution, lien analysis, and comparable sales available with subscription.
About This Data
NE Provenance assembles property intelligence from municipal assessor records, building permit databases, county deed registries, federal environmental and hazard datasets, business registration filings, and state-level geospatial data — 140+ authoritative, primary sources corroborated at the individual address level.
Property data for West Haven, CT and all six New England states. NE Provenance covers South Central Connecticut Planning Region and over 4.7 million properties across 29 counties with up to 430 intelligence attributes per property record.
