231 Willow Ave, Somerville, MA 02144 Property Records

Middlesex County and Somerville City property record for 231 Willow Ave, Somerville, MA 02144

Property Summary

Property TypeDuplex
Details6 bd · 3 ba · 3,345 sqft · built 1930
Lot Size0.077 acres (3,360 sqft)
Owner2 Individual Names on File
Last Sale$586,080 (Mar 2007)
Tax Bill$16,573 (2026)
Deeds & MortgagesNov 2021 Refinance
Flood ZoneZone X (minimal risk)
APN27-K-31

Property Details

APN / Parcel Number

Primary APN27-K-31
Alternative APNs
  • SOME M:27 B:K L:31
  • 16540030

Interior

Bedrooms6 Beds
Full Baths3 Baths
Total Rooms12 Rooms
Units2 Units
Stories3 Stories
Building Area3,345 sqft Living Area
Gross Area5,177 sqft
Basement Area1,184 sqft
Unfinished Basement1,184 sqft

Exterior

Year BuiltBuilt 1930
Effective Year BuiltEffective 1930
Architectural StyleDuplex Single
Exterior MaterialAluminum/Vinyl
Roof TypeGable
Roof MaterialAsphalt
Lot Area3,360 sqft (0.077 acres)
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
Heating FuelGas

Location & Zoning

Account Number16540030
Street Address231 WILLOW AVE
CitySOMERVILLE
StateMA
Zip02144-2210
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeNR
Legal BlockK
Legal Lot Number31
JurisdictionSOMERVILLE MA
Township / Civil DivisionSOMERVILLE
Census Block Group2
Census Block2004
Census Tract350400

Owner

231 Willow Ave, a duplex, is owned by two individuals who bought it in March 2007.

Source: Middlesex County and Somerville City records, as of October 20, 2026

Owner of Record2 Individual Names on File
Mailing Address67 WASHINGTON ST, HANOVER, MA 02339-2337
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 28, 2007 · Amount on File
Deed SaleMar 28, 2007 · Amount on File
Deed Document Number200754643
Deed Book / Page49192 / 510
Record UpdatedOct 29, 2026

November 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSOMERVILLE MA
Property Address231 WILLOW AVE, SOMERVILLE, MA 02144-2210
Transaction TypeMortgage
Record UpdatedDec 10, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number79199-510
DateNov 22, 2021
Book Page79199/510
Instrument254364
Lender
NameCROSSCOUNTRY MORTGAGE INC
TypeMortgage Company
Agreement
TypeStand-Alone Refinance
AmountAmount on Record
Term301 Months
DueDec 1, 2046

Tax Assessment & Valuation

The 2026 property tax bill for 231 Willow Ave was $16,573, up 5.4% from the year before.

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

Property Jurisdictions

TypeName
StateMassachusetts
CountyMiddlesex County
MunicipalitySomerville City
Unified School DistrictSomerville School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$16,573.00 (+5.36%)$1,509,400 (+4.69%) Land $722,200 Building $787,200$1,320,497
2025$15,730.00 (+4.67%)$1,441,800 (+0.93%) Land $687,800 Building $754,000
2024$15,028.00 (+5.42%)$1,428,500 (+3.62%) Land $687,800 Building $740,700
2023$14,255.00$1,378,600 Land $687,800 Building $690,800

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 231 Willow Ave in Zone X, an area of minimal flood risk.

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

The area around 231 Willow Ave 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 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 SystemSOMERVILLE WATER DEPT. (MWRA)
serves 81,045 people · EPA ID MA3274000
Water SourcePurchased surface water from MWRA
Last State InspectionOct 2025
Lead4 ppb (2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureLead service line replacement
currently in violation since Nov 2019
Monitoring and Reporting1
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 1,347 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 2,000
Astound Broadband
Cable
1,500 / 50
Netafy
Fixed Wireless
608 / 135
T-Mobile
Fixed Wireless
100 / 20
AT&T
Fixed Wireless
100 / 20

May also be available: Starry, Verizon.

Nearby Properties on Willow Ave

Nearby Streets

Search Property Records by Address or Parcel Number