21 Sullivan St
Boston, MA 02129
Institutional
Building & Site Intelligence
Complete building characteristics, construction details, and site data from municipal assessor records and supplementary sources.
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Property Intelligence: 21 Sullivan St, Boston, MA 02129
Property Overview
21 Sullivan St is a Wetland / Flood Plain, Institutional, built in 1900, 1,665 square feet, 0.04 acres in SUFFOLK County, MA. Ownership type: Individual.
Condition & Permits
No building permits on file.
Risk & Hazard Profile
NEP Fire Protection Grade: B. FEMA flood zone: X. Hurricane storm surge exposure: Category 4. 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.
