NE Provenance

355 Main St

Cambridge, MA 02142

Commercial
Owner
BP ...
Owner Type
LLC
Tenure
19 yrs
Assessed
$161,686,300
Built
1982
Sq Ft
273,840
Lot
1.13 ac
Bed/Bath
—
Type
Commercial
Elevated Risks19ConditionC1Fire GradeBPermits184Last PermitJan 2026FloodXSurgeCat 2

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355 Main St, Cambridge, MA 02142— Property Report

Building& Property Details

355 Main St is a Commercial built in 1982 located in Cambridge, MIDDLESEX County, MA. The building has 273,840 square feet of building area on a 1.13-acre lot.

Flood Zone & Natural Hazard Assessment

355 Main St is in FEMA flood zone X. Zone X is outside the Special Flood Hazard Area, meaning the property has minimal flood risk according to FEMA mapping. The property falls within a Category 2 hurricane storm surge inundation zone based on NOAA SLOSH modeling. The FEMA National Risk Index composite rating for this area is Relatively Low. The ASCE 7-22 design wind speed for this location is 123 mph. The ground snow load is 40 psf. The EPA radon zone is 1 (highest potential).

Fire Protection

NE Provenance rates the fire protection for 355 Main St at Grade B (Strong fire protection access). The nearest fire station, CAMBRIDGE FIRE DEPARTMENT, is 0.7 miles away. This grade reflects fire station proximity, department capabilities, hydrant coverage, and municipal water infrastructure. Properties with Grade A or B typically receive favorable insurance rates due to strong fire protection infrastructure.

Building Permits & Property History

Municipal records show 184 building permits on file for 355 Main St. The most recent permit was filed January 8, 2026. In the past five years, 85 permits have been issued. The current municipal assessment is $161,686,300, with $61,046,000 attributed to land and $100,640,300 to improvements. The property last sold on December 1, 2006 for $76,000,000.

CambridgeNeighborhood & Community

355 Main St is located in Cambridge, MIDDLESEX County, MA. The property is zoned ASD (Ames Street District). Median household income is $76,335. The property is served by the Cambridge school district.

Full Property Intelligence Report

The complete NE Provenance report for 355 Main St, Cambridge, MA includes over 430 data attributes sourced from 140+ public and proprietary datasets. The full report covers building construction and materials, NEP Condition Estimate derived from permit history, system ages for roof, electrical, plumbing, and HVAC, complete ownership and deed chain with transaction classification, FEMA flood and coastal hazard analysis, environmental contamination screening, and neighborhood demographics. Available as a professional property wallet, PDF report, or structured data export.