Middlesex County and Cambridge City property record for 129 Auburn St, Cambridge, MA 02139
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2.5 ba · 2,843 sqft · built 1930 |
| Lot Size | 0.091 acres (3,950 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $285,000 (Jun 1995) |
| Tax Bill | $12,086 (2025) |
| Deeds & Mortgages | Mar 2021 Line of Credit Jun 2018 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 93-98 |
| Primary APN | 93-98 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,843 sqft Living Area |
| Gross Area | 5,340 sqft |
| 1st Floor Area | 1,272 sqft |
| Attic | Attic |
| Attic Area | 1,195 sqft |
| Basement Area | 1,195 sqft |
| Unfinished Basement | 1,195 sqft |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1930 |
| Architectural Style | Other |
| Exterior Material | Wood Siding |
| Construction Type | Brick |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 3,950 sqft (0.091 acres) |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|---|
| Heating System | Steam |
| Heating Fuel | Gas |
| Street Address | 129 AUBURN ST |
|---|---|
| City | CAMBRIDGE |
| State | MA |
| Zip | 02139-4057 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | C-1 |
| Legal Lot Number | 98 |
| Jurisdiction | CAMBRIDGE MA |
| Township / Civil Division | CAMBRIDGE |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 353101 |
129 Auburn St, a duplex, is owned by two individuals who bought it in June 1995.
Source: Middlesex County and Cambridge City records, as of October 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 | 127 AUBURN ST, CAMBRIDGE, MA 02139-4057 |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Mar 11, 2021 | Deed of Trust, Mortgage · Line of Credit CITIZENS BANK OF RHODE ISLAND |
| Jun 12, 2018 | Deed of Trust, Mortgage · Line of Credit CITIZENS BK/RI |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 29, 1995 · Amount on File |
| Deed Sale | Jun 29, 1995 · Amount on File |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CAMBRIDGE MA |
| Property Address | 129 AUBURN ST, CAMBRIDGE, MA 02139-4057 |
| Transaction Type | Mortgage |
| Record Updated | Mar 26, 2021 |
| Name | Verified Name |
|---|
| Document Number | 1872745 |
|---|---|
| Date | Mar 11, 2021 |
| Instrument | 1872745 |
| Name | CITIZENS BANK OF RHODE ISLAND |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 301 Months |
| Due | Apr 1, 2046 |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CAMBRIDGE MA |
| Property Address | 129 AUBURN ST, CAMBRIDGE, MA 02139-4057 |
| Document Number | 0000091570 |
| Instrument Date | Jun 12, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Jul 30, 2018 |
| Name | Verified Name |
|---|
| Document Number | 0000091570 |
|---|---|
| Date | Jul 6, 2018 |
| Instrument | 91570 |
| Name | CITIZENS BK/RI |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 129 Auburn St was $12,086, up 6.7% 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 | $12,086.00 (+6.73%) | $1,903,300 (-0.5%) Land $1,023,600 Building $879,700 | $2,073,668 |
| 2024 | $11,324.00 (+7.49%) | $1,912,900 (+6.41%) Land $1,066,400 Building $846,500 | |
| 2023 | $10,535.00 | $1,797,700 Land $1,055,700 Building $742,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 129 Auburn St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 129 Auburn 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 910 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 |
| Verizon Fixed Wireless | 1,000 / 75 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Starry.
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