Middlesex County and Cambridge City property record for 636 Putnam Ave, Cambridge, MA 02139
| Property Type | Manufacturing (Light) |
|---|---|
| Details | 4 bd · 2.5 ba · 4,498 sqft · built 1974 |
| Lot Size | 0.241 acres (10,486 sqft) |
| Owner | Company Name on File |
| Tax Bill | $24,147 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 66-29 |
| Primary APN | 66-29 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 4,498 sqft Total Area |
| 1st Floor Area | 1,215 sqft |
| Basement Area | 1,131 sqft |
| Unfinished Basement | 1,215 sqft |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1974 |
| Architectural Style | Colonial |
| Exterior Material | Concrete Block |
| Construction Type | Concrete |
| Roof Type | Gable |
| Roof Material | Tar & Gravel |
| Lot Area | 10,486 sqft (0.241 acres) |
| Garage Type | Attached |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Street Address | 636 PUTNAM AVE |
|---|---|
| City | CAMBRIDGE |
| State | MA |
| Zip | 02139 |
| Property Category | Industrial |
| Property Type | Industrial > Manufacturing (Light) |
| Local Zoning Code | SD-8A |
| Legal Lot Number | 29 |
| Jurisdiction | CAMBRIDGE MA |
| Township / Civil Division | CAMBRIDGE |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 353200 |
636 Putnam Ave, an industrial property, is owned by a company.
Source: Middlesex County and Cambridge City records, as of April 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1 BROADWAY, CAMBRIDGE, MA 02142-1100 |
| Owner Type | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 636 Putnam Ave was $24,147, up 4.5% from the year before.
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 | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $24,147.00 (+4.47%) | $2,096,100 (-5.14%) Land $2,078,400 Building $17,700 |
| 2024 | $23,113.00 | $2,209,700 Land $2,192,000 Building $17,700 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 636 Putnam Ave in Zone X, an area of minimal flood risk.
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 | 2 in force |
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.
The area around 636 Putnam Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 107 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Starry, Verizon.
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