Middlesex County and Cambridge City property record for 13 Forest St, Cambridge, MA 02140
| Property Type | Duplex |
|---|---|
| Details | 6 bd · 3.5 ba · 3,713 sqft · built 1886 |
| Lot Size | 0.115 acres (4,999 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $13,338 (2025) |
| Deeds & Mortgages | Sep 2022 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 153-41 |
| Primary APN | 153-41 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 14 Rooms |
| Units | 2 Units |
| Stories | 3 Stories |
| Building Area | 3,713 sqft Living Area |
| Gross Area | 6,023 sqft |
| 1st Floor Area | 1,517 sqft |
| Basement Area | 1,499 sqft |
| Unfinished Basement | 1,499 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1886 |
|---|---|
| Effective Year Built | Effective 1886 |
| Architectural Style | Victorian |
| Exterior Material | Wood Siding |
| Construction Type | Brick |
| Roof Type | Hip |
| Roof Material | Slate |
| Lot Area | 4,999 sqft (0.115 acres) |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Oil |
| Street Address | 13 FOREST ST |
|---|---|
| City | CAMBRIDGE |
| State | MA |
| Zip | 02140 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | B |
| Legal Lot Number | 41 |
| Jurisdiction | CAMBRIDGE MA |
| Township / Civil Division | CAMBRIDGE |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 353600 |
13 Forest St, a duplex, is owned by two individuals.
Source: Middlesex County and Cambridge City records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 30 FROST ST, CAMBRIDGE, MA 02140-1503 |
| Owner Type | Individual |
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 | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CAMBRIDGE MA |
| Property Address | 13 FOREST ST, CAMBRIDGE, MA 02140 |
| Transaction Type | Mortgage |
| Record Updated | Oct 7, 2022 |
| Name | Verified Name |
|---|
| Document Number | 080732-515 |
|---|---|
| Date | Sep 20, 2022 |
| Book Page | 80732/515 |
| Instrument | 142800 |
| Name | CAMBRIDGE SAVINGS BANK |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2052 |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 13 Forest St was $13,338, up 6.3% 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 | Assessed Market Value |
|---|---|---|---|
| 2025 | $13,338.00 (+6.31%) | $2,100,500 (-0.89%) Land $1,241,600 Building $858,900 | $2,019,596 |
| 2024 | $12,546.00 (+4.91%) | $2,119,300 (+3.85%) Land $1,292,700 Building $826,600 | |
| 2023 | $11,959.00 | $2,040,800 Land $1,316,200 Building $724,600 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 13 Forest St 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 | 11 units insured incl. 9 condo units |
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 13 Forest St 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 782 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Starry.
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