434 Walnut St
Brookline, MA 02445
residentialSingle 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: 434 Walnut St, Brookline, MA 02445
Property Overview
434 Walnut St is a Single Family, built in 1900, 5,362 square feet, 0.38 acres in NORFOLK County, MA. 8 bedrooms, 3 bathrooms. Ownership type: Individual. Assessed value: $4,136,700.
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
1 deed and lien records on file. Last sale: March 2012 for $2,300,000. 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 Brookline, MA and all six New England states. NE Provenance covers NORFOLK County and over 4.7 million properties across 29 counties with up to 430 intelligence attributes per property record.
