321 Marlborough St
Boston, MA 02116
residentialSingle Family
Building & Site Intelligence
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Property Intelligence: 321 Marlborough St, Boston, MA 02116
Property Overview
321 Marlborough St is a Single Family, built in 1899, 11,352 square feet, 0.05 acres in SUFFOLK County, MA. 5 bedrooms, 5 bathrooms. Ownership type: LLC. Assessed value: $7,468,000.
Condition & Permits
NEP Condition Estimate: C1. This property-specific condition rating is derived from municipal building permit records, not imagery or automated valuation models. 21 building permits on file from municipal records. Roof last permitted 14 years ago. Electrical system last permitted 3 years ago.
Risk & Hazard Profile
NEP Fire Protection Grade: B. FEMA flood zone: X. Hurricane storm surge exposure: Category 2. Risk assessment combines NEP proprietary ratings with federal, state, and municipal hazard data at parcel-level precision.
Ownership & Deed History
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 Boston, MA and all six New England states. NE Provenance covers SUFFOLK County and over 4.7 million properties across 29 counties with up to 430 intelligence attributes per property record.
