Middlesex County and Cambridge City property record for 642 Cambridge St, Cambridge, MA 02141
| Property Type | Mixed Use Commercial Office / Residential |
|---|---|
| Details | 3,888 sqft · built 1890 |
| Lot Size | 0.04 acres (1,754 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $153,000 (May 1986) |
| Flood Zone | Zone X (minimal risk) |
| APN | 34-2 |
| Primary APN | 34-2 |
|---|---|
| Alternative APN |
|
| Units | 3 Units |
|---|---|
| Stories | 3 Stories |
| Building Area | 3,888 sqft Total Area |
| Gross Area | 5,886 sqft |
| 1st Floor Area | 1,404 sqft |
| Basement Area | 1,242 sqft |
| Unfinished Basement | 1,242 sqft |
| Year Built | Built 1890 |
|---|---|
| Effective Year Built | Effective 1988 |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Flat |
| Roof Material | Tar & Gravel |
| Lot Area | 1,754 sqft (0.04 acres) |
| Heating System | Steam |
|---|---|
| Heating Fuel | Gas |
| Street Address | 642 CAMBRIDGE ST |
|---|---|
| City | CAMBRIDGE |
| State | MA |
| Zip | 02141-1143 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Mixed Use Commercial Office / Residential |
| Local Zoning Code | BA |
| Legal Lot Number | 2 |
| Jurisdiction | CAMBRIDGE MA |
| Township / Civil Division | CAMBRIDGE |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 352200 |
Source: Middlesex County and Cambridge City records, as of July 20, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 21 LAMBERT ST, CAMBRIDGE, MA 02141-1110 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 23, 1986 · Amount on File |
| Deed Sale | May 23, 1986 · Amount on File |
| Record Updated | Sep 20, 2026 |
Source: Middlesex County and Cambridge City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Cambridge City |
| Unified School District | Cambridge School District (PK - 12) |
| Year | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $1,364,700 (-0.51%) Land $534,700 Building $830,000 | $2,146,430 (-12.18%) |
| 2024 | $1,371,700 Land $580,300 Building $791,400 | $2,444,065 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 9 (5% premium discount) |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 2 (1985–1998) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Jun 1998 · Heavy Rains And Flooding |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CAMBRIDGE WATER DEPARTMENT serves 118,214 people · EPA ID MA3049000 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jun 2023 |
| Lead | 8 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 566 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 2,000 |
| Netafy Fixed Wireless | 641 / 143 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Starry, Verizon.
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