Middlesex County and Cambridge City property record for 400 Washington St, Cambridge, MA 02139
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,551 sqft · built 1873 |
| Lot Size | 0.042 acres (1,840 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $398,000 (May 2000) |
| Tax Bill | $6,984 (2025) |
| Deeds & Mortgages | Oct 2019 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | 91-112 |
| Primary APN | 91-112 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,551 sqft Living Area |
| Gross Area | 2,848 sqft |
| 1st Floor Area | 801 sqft |
| Attic | Attic |
| Attic Area | 600 sqft |
| Basement Area | 801 sqft |
| Unfinished Basement | 801 sqft |
| Year Built | Built 1873 |
|---|---|
| Effective Year Built | Effective 1873 |
| Architectural Style | Conventional |
| Exterior Material | Shingles |
| Construction Type | Stone |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 1,840 sqft (0.042 acres) |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Street Address | 400 WASHINGTON ST |
|---|---|
| City | CAMBRIDGE |
| State | MA |
| Zip | 02139-2745 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | C-1 |
| Legal Subdivision | 11 HARLOW STREET |
| Legal Lot Number | 112 |
| Jurisdiction | CAMBRIDGE MA |
| Township / Civil Division | CAMBRIDGE |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 353101 |
Source: Middlesex County and Cambridge City assessment roll, as of April 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 400 WASHINGTON ST, CAMBRIDGE, MA 02139-2745 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | May 30, 2000 · Amount on Record |
| Deed Sale | May 30, 2000 · Amount on Record |
| Prior Sale | May 27, 1998 · Amount on Record |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CAMBRIDGE MA |
| Property Address | 400 WASHINGTON ST, CAMBRIDGE, MA 02139-2745 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 73552-78 |
|---|---|
| Date | Oct 30, 2019 |
| Book Page | 73552/78 |
| Instrument | 168039 |
| Name | ACADEMY MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Nov 1, 2034 |
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 | $6,984.00 (+3.88%) | $1,099,900 (-3.14%) Land $647,300 Building $452,600 | $1,267,205 (+5.72%) |
| 2024 | $6,723.00 (+5.38%) | $1,135,600 (+4.31%) Land $702,400 Building $433,200 | $1,198,615 |
| 2023 | $6,380.00 | $1,088,700 Land $714,200 Building $374,500 |
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
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 USA Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Starry.
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