18 Dunn St, Thomaston, ME 04861 Property Records

Knox County and Thomaston Town property record for 18 Dunn St, Thomaston, ME 04861

Property Summary

Property Type	Single Family Home
Details	1,789 sqft · built 1891
Lot Size	0.28 acres (12,197 sqft)
Owner	Trust Name on File
Tax Bill	$4,194 (2025)
Deeds & Mortgages	Jul 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`M:102 L:155=000`

Property Details

APN / Parcel Number

Primary APN	`M:102 L:155=000`
Alternative APNs	`THON M:102 L:155-000` `145`

Interior

Stories	2 Stories
Building Area	1,789 sqft Living Area

Exterior

Year Built	Built 1891
Effective Year Built	Effective 1891
Lot Area	12,197 sqft (0.28 acres)

Location & Zoning

Account Number	145
Street Address	18 DUNN ST
City	THOMASTON
State	ME
Zip	04861-3727
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R3
Legal Lot Number	155-0
Jurisdiction	THOMASTON ME
Township / Civil Division	THOMASTON
Census Block Group	2
Census Block	2030
Census Tract	970402

Historic Designation

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

Historic District	Within the Thomaston Historic District listed 1974 · 20 contributing resources · NRIS 74000176

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

Owner

18 Dunn St is owner-occupied and held in a trust since July 2020.

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

Owner of Record	Trust Name on File
Mailing Address	18 DUNN ST, THOMASTON, ME 04861-3727
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

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 Names	Name on Deed
Last Sale	Jul 22, 2020
Deed Sale	Jul 22, 2020
Deed Document Number	20205998
Deed Book / Page	5580 / 63
Record Updated	Sep 20, 2026

July 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	THOMASTON ME
Recording Date	Jul 22, 2020
Property Address	18 DUNN ST, THOMASTON, ME 04861-3727
Document Number	0055800063
Book / Page	005580 / 000063
Instrument Date	Jul 16, 2020
Instrument	5998
Transaction Type	Transfer
Record Updated	Aug 7, 2020
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	5 CONGO AVE #4 THOMASTON ME 048613651, 4, THOMASTON, ME 04861-3651

Mortgage

Document Number	55800044
Date	Jul 22, 2020
Book Page	005580/000044
Instrument	5997

Lender

Name	BAR HARBOR BK&TR
Type	Bank
Address	BAR HARBOR, ME 04609

Agreement

Amount	Amount on Record
Term	180 Months
Due	Jul 21, 2035

Tax Assessment & Valuation

The 2025 property tax bill for 18 Dunn St was $4,194, up 11.2% from the year before.

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

Property Jurisdictions

Type	Name
State	Maine
County	Knox County
County Subdivision	Thomaston Town
Unified School District	Regional School Unit 13 (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2025	$4,194.00 (+11.25%)	$188,500 (-) Land $67,800 Building $120,700
2024	$3,770.00 (+5.81%)	$188,500 (%) Land $67,800 Building $120,700
2023	$3,563.00 (+10.93%)	$188,502 (+28.07%) Land $67,824 Building $120,678
2022	$3,212.00	$147,191 Land $67,824 Building $79,367

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

Flood

FEMA maps place 18 Dunn St in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 2016.

Source: FEMA National Flood Hazard Layer, effective April 16, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	6 in force
Nearby Flood Claims	5 (2016–2024)
Most Recent Claim	Jan 2024 · Severe Storms And Flooding
Claims by Event	Severe Storms And Flooding, Jan 2024 · 4 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

Wildfire risk around 18 Dunn 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 Risk	Low lower than 80% of the US · above 53% of Maine
Wildfire Likelihood	0.01% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 System	MAINE WATER COMPANY WARREN DIVISION private · serves 815 people · EPA ID ME0091565
Water Source	Groundwater
Last State Inspection	Oct 2024
Lead	Under 1 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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

Provider	Max 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.

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