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558 Thomsen Ave, Dillon, MT 59725 Property Records

Beaverhead County property record for 558 Thomsen Ave, Dillon, MT 59725

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 1,377 sqft · built 1915
Lot Size0.303 acres (13,199 sqft)
Owner2 Individual Names on Record
Tax Bill$4,091 (2026)
Deeds & MortgagesSep 2022 Transfer
Dec 2020 Transfer
Flood ZoneZone X (minimal risk)
APNR1815623

Property Details

APN / Parcel Number

Primary APNR1815623
Alternative APNs
  • 18-0326-19-1-35-14-0000
  • 0000400644

Interior

Bedrooms3 Beds
Full Baths1 Bath
Plumbing Fixtures5 Plumbing Fixtures
Total Rooms6 Rooms
Stories1 Story
Building Area1,377 sqft Living Area
1st Floor Area1,377 sqft
Basement Area294 sqft
Finished Basement294 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1915
Effective Year BuiltEffective 1975
Architectural StyleConventional
Exterior MaterialWood
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area13,199 sqft (0.303 acres)
Lot Dimensions200 ft deep x 66 ft wide
Garage TypeMixed
Garage Area720 sqft
Parking Spaces4 Parking Spaces
PorchSlab
Porch Area160 sqft
Deck Area308 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Account Number0000400644
Street Address558 THOMSEN AVE
CityDILLON
StateMT
Zip59725-2954
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTHOMSEN ADD (DILLON), S19, T07 S, R08 W, LOT 15, ACRES 0.303
Legal Range08W
Legal Township07S
Legal Section19
Legal SubdivisionTHOMSEN ADD (DILLON)
Legal Lot Number15
JurisdictionBEAVERHEAD MT
Township / Civil DivisionDILLON
Census Block Group4
Census Block4032
Census Tract300

Owner

Source: Beaverhead County records, as of August 18, 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 Address1000 E CORNELL ST, DILLON, MT 59725-3042
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Sep 30, 2022Intrafamily Transfer, Transfer
Dec 16, 2020Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateSep 21, 2023
Transfer Doc0000306891
Record UpdatedSep 20, 2026

September 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionBEAVERHEAD MT
Recording DateSep 30, 2022
Property Address558 THOMSEN AVE, DILLON, MT 59725-2954
Document Number00399/2212
Book / Page399 / 2212
Instrument DateSep 28, 2022
Instrument303566
Transaction TypeTransfer
Record UpdatedAug 7, 2023

Transaction

Tax$0.00
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name
Address104 S ARGENTA ST, DILLON, MT 59725-2493

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address558 THOMSEN AVE, DILLON, MT 59725-2954

December 2020: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionBEAVERHEAD MT
Recording DateDec 16, 2020
Property Address558 THOMSEN AVE, DILLON, MT 59725-2954
Document Number00395/6626
Book / Page395 / 6626
Instrument DateDec 14, 2020
Instrument297679
Transaction TypeTransfer
Record UpdatedAug 7, 2023

Transaction

Tax$0.00
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants in Common
Address104 S ARGENTA ST, DILLON, MT 59725-2493
InvestorPossibly a Property Investor

Tax Assessment & Valuation

Source: Beaverhead County assessment roll, as of August 18, 2026

Property Jurisdictions

TypeName
StateMontana
CountyBeaverhead County
MunicipalityDillon City
Secondary School DistrictBeaverhead County High School District (09 - 12)
Elementary School DistrictDillon Elementary School District (PK - 08)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$4,091.00 (+112.85%)$324,400 (-)
2025$1,922.00 (-26.08%)$324,400 (+16.27%)$324,400 (+16.27%) Land $86,945 Building $237,455
2023$2,600.00$279,000$279,000 Land $86,044 Building $192,956

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 28, 2023

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire RiskLow
lower than 99.1% of the US · lower than 99.8% of Montana
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 SystemCITY OF DILLON
serves 4,300 people · EPA ID MT0000201
Water SourceGroundwater
Last State InspectionSep 2024
Lead3 ppb (2022–2024)
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 242 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable · Fiber in parts of the area		1,000 / 1,000
Starlink
Satellite		280 / 30

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