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12 Upton St, Boston, MA 02118 Property Records

Suffolk County and Boston City property record for 12 Upton St, Boston, MA 02118

Property Summary

Property TypeDuplex
Details5 bd · 2 ba · 2,755 sqft · built 1875
Lot Size0.028 acres (1,200 sqft)
Owner2 Company Names on Record
Last Sale$2,099,900 (Apr 2024)
Tax Bill$26,240 (2025)
Deeds & MortgagesSep 2025 Transfer
Apr 2024 Sale
Flood ZoneZone X (minimal risk)
APNCBOS W:09 P:00028 S:000

Property Details

APN / Parcel Number

Primary APNCBOS W:09 P:00028 S:000

Interior

Bedrooms5 Beds
Full Baths2 Baths
Total Rooms11 Rooms
Units2 Units
Stories3 Stories
Building Area2,755 sqft Living Area
Gross Area3,054 sqft

Exterior

Year BuiltBuilt 1875
Effective Year BuiltEffective 2000
Architectural StyleOther
Exterior MaterialBrick
Roof TypeMansard
Roof MaterialAsphalt
Lot Area1,200 sqft (0.028 acres)

Utilities, Heating & Cooling

Heating SystemHot Water

Location & Zoning

Street Address12 UPTON ST
CityBOSTON
StateMA
Zip02118-1610
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR2
Legal SubdivisionTREMONT STREET
JurisdictionBOSTON MA
Township / Civil DivisionBOSTON
Census Block Group1
Census Block1005
Census Tract70502

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic DistrictWithin the South End District (Boundary Increase II)
listed 2025 · 8 contributing resources · NRIS 73000324

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

Source: Suffolk County and Boston City records, as of April 15, 2026

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

Owner of Record2 Company Names on Record
Mailing Address12 UPTON ST, BOSTON, MA 02118-1610
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Living Trust

Deeds, Mortgages & Sale History

DateDocument
Sep 9, 2025Quit Claim Deed, Transfer
Quitclaim
Apr 19, 2024Quit Claim Deed, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleApr 19, 2024 · Amount on Record
Deed SaleApr 19, 2024 · Amount on Record
Prior SaleSep 7, 1999 · Amount on Record
Deed Document Number202423208
Deed Book / Page70089 / 224
Last Transfer DateSep 4, 2025
Transfer Doc071852-340
Record UpdatedJun 8, 2026

September 2025: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionBOSTON MA
Recording DateSep 9, 2025
Property Address12 UPTON ST, BOSTON, MA 02118-1610
Document Number071852-340
Book / Page71852 / 340
Instrument DateSep 4, 2025
Instrument57980
Transaction TypeTransfer
Record UpdatedOct 1, 2025

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address12 UPTON ST, BOSTON, MA 02118-1610

April 2024: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionBOSTON MA
Recording DateApr 19, 2024
Property Address12 UPTON ST, BOSTON, MA 02118-1610
Document Number070089-224
Book / Page70089 / 224
Instrument DateApr 18, 2024
Instrument23208
Transaction TypeTransfer
Record UpdatedMay 3, 2024

Transaction

AmountAmount Recorded
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants in Common
Address12 UPTON ST, BOSTON, MA 02118-1610

Tax Assessment & Valuation

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$26,240.00 (+13%)$2,266,000 (+6.37%) Land $905,600 Building $1,360,400
2024$23,221.00 (+1.49%)$2,130,400 (-) Land $683,600 Building $1,446,800
2023$22,880.00$2,130,400 Land $683,600 Building $1,446,800

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

Flood

Source: FEMA National Flood Hazard Layer, effective January 21, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 10 (0% premium discount)
Nearby Flood Policies4 units insured
incl. 4 condo units

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; 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 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 1,232 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 2,000
Netafy
Fixed Wireless		1,000 / 1,000
Verizon
Fiber · Fixed Wireless in parts of the area		980 / 880
T-Mobile
Fixed Wireless		100 / 20
AT&T
Fixed Wireless		100 / 20

May also be available: Astound Broadband, Starry.

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