Middlesex County and Cambridge City property record for 20 Sumner Rd, Cambridge, MA 02138
| Property Type | Public School (Administration, Campus, Dorms, Instruction) |
|---|---|
| Details | 7 bd · 3 ba · 3,218 sqft · built 1925 |
| Lot Size | 0.188 acres (8,185 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,288,000 (Oct 2010) |
| Flood Zone | Zone X (minimal risk) |
| APN | 142-19 |
| Primary APN | 142-19 |
|---|---|
| Alternative APN |
|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 10 Rooms |
| Stories | 3 Stories |
| Building Area | 3,218 sqft Total Area |
| Gross Area | 5,373 sqft |
| 1st Floor Area | 1,287 sqft |
| Basement Area | 1,287 sqft |
| Unfinished Basement | 1,287 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Central Vacuum | Central Vacuum |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1925 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Construction Type | Brick |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 8,185 sqft (0.188 acres) |
| Parking Spaces | 10 Parking Spaces |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Oil |
| Street Address | 20 SUMNER RD |
|---|---|
| City | CAMBRIDGE |
| State | MA |
| Zip | 02138-3018 |
| Property Category | Public Works |
| Property Type | Public Works > Public School (Administration, Campus, Dorms, Instruction) |
| Local Zoning Code | B |
| Legal Lot Number | 19 |
| Jurisdiction | CAMBRIDGE MA |
| Township / Civil Division | CAMBRIDGE |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 353700 |
Source: Middlesex County and Cambridge City records, 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 | Company Name on Record |
|---|---|
| Mailing Address | 48 QUINCY ST, CAMBRIDGE, MA 02138-3000 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 5, 2010 · Amount on Record |
| Deed Sale | Oct 5, 2010 · Amount on Record |
| Deed Document Number | 2010177400 |
| Deed Book / Page | 55536 / 367 |
| Record Updated | Jun 8, 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 |
|---|---|
| 2025 | $3,956,600 (-8.34%) Land $1,553,500 Building $2,403,100 |
| 2024 | $4,316,500 Land $2,016,800 Building $2,299,700 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
|---|
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 885 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Verizon Fixed Wireless | 1,000 / 75 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Netafy, Starry.
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