23 King St, Belmont, MA 02478 Property Records

Middlesex County and Belmont Town property record for 23 King St, Belmont, MA 02478

Property Summary

Property TypeCondominium
Details2 bd · 1 ba · 1,170 sqft · built 1926
Lot Size0.098 acres (4,271 sqft)
OwnerIndividual Name on Record
Last Sale$290,000 (Aug 2008)
Tax Bill$6,310 (2025)
Flood ZoneZone X (minimal risk)
APNBELM M:15 P:000119 S:U:23

Property Details

APN / Parcel Number

Primary APNBELM M:15 P:000119 S:U:23

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area1,170 sqft Living Area
1st Floor Area1,170 sqft

Exterior

Year BuiltBuilt 1926
Effective Year BuiltEffective 2008
Architectural StyleCondo/Apartment
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Lot Area4,271 sqft

Utilities, Heating & Cooling

Heating SystemSteam
Heating FuelOil

Location & Zoning

Street Address23 KING ST
CityBELMONT
StateMA
Zip02478-1278
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Condominium
Local Zoning CodeR
Legal Subdivision21-23 KING STREET CONDO
JurisdictionBELMONT MA
Township / Civil DivisionBELMONT
Census Block Group2
Census Block2015
Census Tract357600

Owner

Source: Middlesex County and Belmont Town records, as of July 20, 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 RecordIndividual Name on Record
Mailing Address25 WILLIAMS ST, ARLINGTON, MA 02476-5623
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 29, 2008 · Amount on Record
Deed SaleAug 29, 2008 · Amount on Record
Deed Document Number2008144515
Deed Book / Page51637 / 99
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Middlesex County and Belmont Town assessment roll, as of April 14, 2026

Property Jurisdictions

TypeName
StateMassachusetts
CountyMiddlesex County
County SubdivisionBelmont Town
Unified School DistrictBelmont School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$6,310.00 (+10.3%)$554,000 (+8.84%) Building $554,000$754,205 (+7.23%)
2024$703,380
2023$5,721.00$509,000 Building $509,000

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

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 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 Policies1 in force
Nearby Flood Claims1 (1978)
Most Recent ClaimJan 1978 · tidal / storm surge

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 SystemBELMONT WATER DEPT. (MWRA)
serves 27,442 people · EPA ID MA3026000
Water SourcePurchased surface water from MWRA
Last State InspectionJul 2023
Lead2 ppb (2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
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 1,029 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
T-Mobile
Fixed Wireless
100 / 20

May also be available: Astound Broadband, AT&T.

Nearby Properties on King St

Nearby Streets

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