509 River Rd
Westport, MA 02790
residentialMulti-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: 509 River Rd, Westport, MA 02790
Property Overview
509 River Rd is a Conventional, Multi-Family, built in 1936, 163,960 square feet, 3.76 acres in BRISTOL County, MA. Ownership type: Individual. Assessed value: $986,900.
Condition & Permits
No building permits on file.
Risk & Hazard Profile
NEP Fire Protection Grade: E. FEMA flood zone: X. Risk assessment combines NEP proprietary ratings with federal, state, and municipal hazard data at parcel-level precision.
Ownership & Deed History
Last sale: November 1998 for $367,250. 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 Westport, MA and all six New England states. NE Provenance covers BRISTOL County and over 4.7 million properties across 29 counties with up to 430 intelligence attributes per property record.
