423 Main St, Thomaston, ME 04861 Property Records

Knox County and Thomaston Town property record for 423 Main St, Thomaston, ME 04861

Property Summary

Property TypeApartments (5+ Units)
Details2,974 sqft · built 1860
Lot Size0.47 acres (20,473 sqft)
Owner2 Individual Names on File
Tax Bill$4,759 (2025)
Flood ZoneZone X (minimal risk)
APNM:106 L:025=000

Property Details

APN / Parcel Number

Primary APNM:106 L:025=000
Alternative APNs
  • THON M:106 L:025-000
  • 622

Interior

Units4 Units
Stories2 Stories
Building Area2,974 sqft Living Area

Exterior

Year BuiltBuilt 1860
Effective Year BuiltEffective 1860
Lot Area20,473 sqft (0.47 acres)

Location & Zoning

Account Number622
Street Address423 MAIN ST
CityTHOMASTON
StateME
Zip04861-3930
Property CategoryResidential
Property TypeResidential > Multi-Unit > Apartments (5+ Units)
Local Zoning CodeR3
Legal Lot Number25-0
JurisdictionTHOMASTON ME
Township / Civil DivisionTHOMASTON
Census Block Group3
Census Block3015
Census Tract970402

Owner

423 Main St, a residential property, is owned by two individuals who acquired it in December 2013.

Source: Knox County and Thomaston Town records, as of July 30, 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 Address44 KOSSUTH ST, THOMASTON, ME 04861-3913
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleDec 18, 2013
Deed SaleDec 18, 2013
Deed Document Number201314310
Deed Book / Page04757 / 0057
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 423 Main St was $4,759, up 11.2% from the year before.

Source: Knox County and Thomaston Town assessment roll, as of July 30, 2026

Property Jurisdictions

TypeName
StateMaine
CountyKnox County
County SubdivisionThomaston Town
Unified School DistrictRegional School Unit 13 (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2025$4,759.00 (+11.24%)$213,900 (-) Land $72,000 Building $141,900
2024$4,278.00 (+5.81%)$213,900 (%) Land $72,000 Building $141,900
2023$4,043.00 (-1.27%)$213,907 (+13.98%) Land $72,036 Building $141,871
2022$4,095.00$187,671 Land $72,036 Building $115,635

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

Flood

FEMA maps place 423 Main St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2025.

Source: FEMA National Flood Hazard Layer, effective April 16, 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 Policies1 in force
Nearby Flood Claims1 (2025)
Claims Outside the SFHA1 of 1
Most Recent ClaimFeb 2025

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

Wildfire risk around 423 Main St is low, with a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 80% of the US · above 53% of Maine
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 SystemMAINE WATER COMPANY WARREN DIVISION
private · serves 815 people · EPA ID ME0091565
Water SourceGroundwater
Last State InspectionOct 2024
LeadUnder 1 ppb (2025)
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. The service area is an EPA estimate; the actual supplier may differ.

Internet Providers

Source: FCC Broadband Data Collection, based on 221 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
GoNetspeed
Fiber
2,000 / 2,000
Spectrum
Cable · Fiber in parts of the area
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20
AT&T
Fixed Wireless
100 / 20

May also be available: Redzone Wireless.

Nearby Properties on Main St

Nearby Streets

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