185 Lyman St
Waltham, MA 02452
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: 185 Lyman St, Waltham, MA 02452
Property Overview
185 Lyman St is a Mansion, Institutional, built in 1795, 18,838 square feet, 29.2 acres in MIDDLESEX County, MA. Ownership type: Nonprofit. Assessed value: $21,389,200.
Condition & Permits
No building permits on file.
Risk & Hazard Profile
NEP Fire Protection Grade: A. 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: October 1951. 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 Waltham, MA and all six New England states. NE Provenance covers MIDDLESEX County and over 4.7 million properties across 29 counties with up to 430 intelligence attributes per property record.
