321 Marlborough St
Portland, CT 06480
Mixed Use
Building & Site Intelligence
Complete building characteristics, construction details, and site data from municipal assessor records and supplementary sources.
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Property Intelligence: 321 Marlborough St, Portland, CT 06480
Property Overview
321 Marlborough St is a Mixed Use, built in 1900, 3,129 square feet, 0.28 acres in Lower Connecticut River Valley Planning Region, CT. 2 bedrooms, — bathrooms. Ownership type: LLC. Assessed value: $176,300.
Condition & Permits
No building permits on file.
Risk & Hazard Profile
NEP Fire Protection Grade: B. 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: May 2016 for $250,000. 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 Portland, CT and all six New England states. NE Provenance covers Lower Connecticut River Valley Planning Region and over 4.7 million properties across 29 counties with up to 430 intelligence attributes per property record.
