23 Woolson St, #25, Mattapan, MA 02126 Property Records

Suffolk County and Boston City property record for 23 Woolson St, #25, Mattapan, MA 02126

Property Summary

Property TypeTriplex
Details8 bd · 3 ba · 3,657 sqft · built 1910
Lot Size0.113 acres (4,910 sqft)
Owner2 Individual Names on File
Tax Bill$9,544 (2025)
Deeds & MortgagesDec 2021 Refinance
Sep 2018 Line of Credit
Flood ZoneZone X (minimal risk)
APNMATT W:14 P:04062 S:000

Property Details

APN / Parcel Number

Primary APNMATT W:14 P:04062 S:000

Interior

Bedrooms8 Beds
Full Baths3 Baths
Total Rooms17 Rooms
Units3 Units
Stories3 Stories
Building Area3,657 sqft Living Area
Gross Area5,957 sqft

Exterior

Year BuiltBuilt 1910
Effective Year BuiltEffective 1910
Architectural StyleConventional
Exterior MaterialAluminum/Vinyl
Roof TypeGable
Roof MaterialAsphalt
Lot Area4,910 sqft (0.113 acres)

Utilities, Heating & Cooling

Heating SystemHot Water

Location & Zoning

Street Address23 WOOLSON ST, 25
CityMATTAPAN
StateMA
Zip02126-1835
Property CategoryResidential
Property TypeResidential > Multi-Unit > Triplex
Local Zoning CodeR3
JurisdictionBOSTON MA
Township / Civil DivisionBOSTON
Census Block Group2
Census Block2001
Census Tract101102

Owner

23 Woolson St, #25, a triplex, is owned by two individuals.

Source: Suffolk County and Boston City records, as of April 14, 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 Record2 Individual Names on File
Mailing Address23 WOOLSON ST, 25, MATTAPAN, MA 02126-1835
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Dec 27, 2021Deed of Trust, Mortgage · Stand-Alone Refinance
RTN FEDERAL CREDIT UNION
Sep 13, 2018Deed of Trust, Mortgage · Line of Credit
RTN FCU

Assessor's Deed Record

Deed Names2 Names on Deed
Record UpdatedJun 8, 2026

December 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOSTON MA
Property Address23-25 WOOLSON ST, MATTAPAN, MA 02126
Transaction TypeMortgage
Record UpdatedJan 14, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number066926-107
DateDec 27, 2021
Book Page66926/107
Instrument140368
Lender
NameRTN FEDERAL CREDIT UNION
Agreement
TypeStand-Alone Refinance
AmountAmount on Record
Term361 Months
DueJan 1, 2052

September 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOSTON MA
Property Address23-25 WOOLSON ST, MATTAPAN, MA 02126
Transaction TypeMortgage
Record UpdatedFeb 5, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number60159-70
DateSep 13, 2018
Book Page60159/70
Instrument81527
Lender
NameRTN FCU
TypeCredit Union
Agreement
TypeLine of Credit
AmountAmount on Record
Term240 Months
DueSep 1, 2038

Tax Assessment & Valuation

The 2025 property tax bill for 23 Woolson St, #25 was $9,544, up 20.9% from the year before.

Source: Suffolk County and Boston City assessment roll, as of April 14, 2026

Property Jurisdictions

TypeName
StateMassachusetts
CountySuffolk County
MunicipalityBoston City
Unified School DistrictBoston School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2025$9,544.00 (+20.92%)$824,200 (+13.82%) Land $266,400 Building $557,800
2024$7,893.00 (+8.58%)$724,100 (+6.99%) Land $249,500 Building $474,600
2023$7,269.00$676,800 Land $233,200 Building $443,600

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

Flood

FEMA maps place 23 Woolson St, #25 in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective January 21, 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 23 Woolson St, #25 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 SystemBOSTON WATER AND SEWER COMMISSION (MWRA)
serves 675,647 people · EPA ID MA3035000
Water SourcePurchased surface water from MWRA
Last State InspectionMar 2026
Lead6 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureLead service line replacement
currently in violation since Nov 2020
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 829 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Verizon
Fiber · Fixed Wireless in parts of the area
2,300 / 2,300
Xfinity
Cable
2,000 / 2,000
Astound Broadband
Cable
1,500 / 50

May also be available: AT&T, T-Mobile.

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