45 Sullivan St, Charlestown, MA 02129 Property Records

Suffolk County and Boston City property record for 45 Sullivan St, Charlestown, MA 02129

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.5 ba · 1,686 sqft · built 2014
Lot Size0.026 acres (1,121 sqft)
OwnerTrust Name on File
Last Sale$1,135,000 (Dec 2015)
Tax Bill$20,143 (2025)
Flood ZoneZone X (minimal risk)
APNW:02 P:00608 S:000

Property Details

APN / Parcel Number

Primary APNW:02 P:00608 S:000
Alternative APN
  • CHAR W:02 P:00608 S:050

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Stories3 Stories
Building Area1,686 sqft Living Area
Gross Area2,322 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2014
Effective Year BuiltEffective 2014
Architectural StyleOther
Exterior MaterialBrick
Roof TypeFlat
Roof MaterialOther
Lot Area1,121 sqft (0.026 acres)
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C

Location & Zoning

Street Address45 SULLIVAN ST
CityCHARLESTOWN
StateMA
Zip02129-2456
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
JurisdictionBOSTON MA
Township / Civil DivisionBOSTON
Census Block Group5
Census Block5006
Census Tract40300

Owner

45 Sullivan St is owner-occupied and held in a trust since December 2015.

Source: Suffolk County and Boston City records, as of July 20, 2026

Owner of RecordTrust Name on File
Mailing Address45 SULLIVAN ST, CHARLESTOWN, MA 02129-2456
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

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 NamesName on Deed
Last SaleDec 31, 2015 · Amount on File
Deed SaleDec 31, 2015 · Amount on File
Prior SaleNov 25, 2015 · Amount on File
Deed Book / Page55547 / 183
Transfer Doc0000123864
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 45 Sullivan St was $20,143, up 14.8% 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 ValueAssessed Market Value
2025$20,143.00 (+14.79%)$1,739,500 (+8.05%) Land $518,800 Building $1,220,700$1,665,920 (+0.92%)
2024$17,548.00 (+6.56%)$1,609,900 (+5%) Land $326,800 Building $1,283,100$1,650,815
2023$16,468.00$1,533,300 Land $311,200 Building $1,222,100

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

Flood

FEMA maps place 45 Sullivan St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2021.

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
Nearby Flood Claims1 (2021)
Claims Outside the SFHA1 of 1
Most Recent ClaimJul 2021 · rainfall accumulation

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

The area around 45 Sullivan St 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 1,310 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable · Fiber in parts of the area
2,000 / 2,000
Verizon
Fiber · Fixed Wireless in parts of the area
980 / 880
Netafy
Fixed Wireless
641 / 143
T-Mobile
Fixed Wireless
100 / 20
AT&T
Fixed Wireless
100 / 20

May also be available: Starry.

Nearby Properties on Sullivan St

Nearby Streets

Search Property Records by Address or Parcel Number