11 Sumner Rd, Cambridge, MA 02138 Property Records

Middlesex County and Cambridge City property record for 11 Sumner Rd, Cambridge, MA 02138

Property Summary

Property TypePublic School (Administration, Campus, Dorms, Instruction)
Details5,139 sqft · built 1890
Lot Size0.177 acres (7,722 sqft)
OwnerCompany Name on Record
Last Sale$65,000 (Aug 1977)
Tax Bill$18,511 (2020)
Flood ZoneZone X (minimal risk)
APN143-7

Property Details

APN / Parcel Number

Primary APN143-7
Alternative APN
  • CAMB M:00143 L:00007

Interior

Units8 Units
Stories3 Stories
Building Area5,139 sqft Total Area
Gross Area7,776 sqft
1st Floor Area2,262 sqft
Basement Area2,155 sqft
Unfinished Basement2,155 sqft

Exterior

Year BuiltBuilt 1890
Effective Year BuiltEffective 1890
Exterior MaterialWood Siding
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area7,722 sqft (0.177 acres)
Deck AreaDeck Area

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemSteam
Heating FuelGas

Location & Zoning

Street Address11 SUMNER RD
CityCAMBRIDGE
StateMA
Zip02138-3025
Property CategoryPublic Works
Property TypePublic Works > Public School (Administration, Campus, Dorms, Instruction)
Local Zoning CodeC-1
Legal Lot Number7
JurisdictionCAMBRIDGE MA
Township / Civil DivisionCAMBRIDGE
Census Block Group5
Census Block5000
Census Tract353700

Owner

Source: Middlesex County and Cambridge City records, as of July 20, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordCompany Name on Record
Mailing Address1350 MASSACHUSETTS AVE, CAMBRIDGE, MA 02138-3846
Owner TypeCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 31, 1977 · Amount on Record
Deed SaleAug 31, 1977 · Amount on Record
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Middlesex County and Cambridge City assessment roll, as of April 14, 2026

Property Jurisdictions

TypeName
StateMassachusetts
CountyMiddlesex County
MunicipalityCambridge City
Unified School DistrictCambridge School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2025$2,934,300 (-18.98%) Land $1,483,800 Building $1,450,500
2024$3,621,500 Land $1,516,900 Building $2,104,600
2020$18,511.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCAMBRIDGE WATER DEPARTMENT
serves 118,214 people · EPA ID MA3049000
Water SourceSurface water
Last State InspectionJun 2023
Lead8 ppb (2021–2023)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 201 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
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.

Nearby Properties on Sumner Rd

Nearby Streets

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