421 Mill St Ext, Lancaster, MA 01523 Property Records

Worcester County and Lancaster Town property record for 421 Mill St Ext, Lancaster, MA 01523

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.5 ba · 2,722 sqft · built 2004
Lot Size1.11 acres (48,352 sqft)
Owner2 Individual Names on Record
Last Sale$500,000 (Oct 2004)
Tax Bill$10,630 (2025)
Flood ZoneZone X (minimal risk)
APNLANC M:043.0 B:0000 L:0015.B

Property Details

APN / Parcel Number

Primary APNLANC M:043.0 B:0000 L:0015.B

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories2 Stories
Building Area2,722 sqft Living Area
1st Floor Area1,064 sqft
Basement Area1,064 sqft
Unfinished Basement1,064 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2004
Effective Year BuiltEffective 2004
Architectural StyleColonial
Exterior MaterialAluminum/Vinyl
Construction TypeConcrete
Roof TypeGable
Roof MaterialAsphalt
Lot Area48,352 sqft (1.11 acres)
Garage TypeAttached

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
Heating FuelOil

Location & Zoning

Street Address421 MILL STREET EXT
CityLANCASTER
StateMA
Zip01523-2007
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal Lot Number15.B
JurisdictionLANCASTER MA
Township / Civil DivisionLANCASTER
Census Block Group1
Census Block1039
Census Tract713100

Owner

Source: Worcester County and Lancaster Town records, as of July 20, 2026

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

Owner of Record2 Individual Names on Record
Mailing Address421 MILL STREET EXT, LANCASTER, MA 01523-2007
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 6, 2004 · Amount on Record
Deed SaleOct 6, 2004 · Amount on Record
Deed Document Number2004183790
Deed Book / Page34782 / 333
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Worcester County and Lancaster Town assessment roll, as of April 14, 2026

Property Jurisdictions

TypeName
StateMassachusetts
CountyWorcester County
County SubdivisionLancaster Town
Unified School DistrictNashoba School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$10,630.00 (+8.28%)$657,800 (+15.18%) Land $120,800 Building $537,000$756,010 (+64.25%)
2024$460,275
2023$9,817.00$571,100 Land $102,200 Building $468,900

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 November 30, 2025 · 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 Policies2 in force
Nearby Flood Claims27 (1978–2010)
Claims Outside the SFHA4 of 27
Most Recent ClaimMar 2010 · Severe Storms And Flooding
Claims by Event
  • Severe Storms And Flooding, Mar 2010 · 4 claims
  • Severe Storms & Flooding, Apr 1987 · 3 claims

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 RiskLow
lower than 80% of the US · above 57% of Massachusetts
Wildfire Likelihood0.01% annual chance
ExposureDirect
burnable vegetation

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 SystemLANCASTER WATER DEPARTMENT
serves 6,000 people · EPA ID MA2147000
Water SourceGroundwater
Last State InspectionMar 2026
Lead17 ppb (2024–2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
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 44 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250

May also be available: Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Mill St Ext

Nearby Streets

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