307 Clarke St, Helena, MT 59601 Property Records

Lewis And Clark County property record for 307 Clarke St, Helena, MT 59601

Property Summary

Property TypeSingle Family Home
Details4 bd · 1 ba · 1,590 sqft · built 1890
Lot Size0.073 acres (3,180 sqft)
Owner2 Individual Names on File
Tax Bill$2,713 (2026)
Flood ZoneZone X (minimal risk)
APNR058935

Property Details

APN / Parcel Number

Primary APNR058935
Alternative APNs
  • 05-1887-25-4-13-17-0000
  • 0000006643

Interior

Bedrooms4 Beds
Full Baths1 Bath
Plumbing Fixtures6 Plumbing Fixtures
Total Rooms7 Rooms
Stories2 Stories
Building Area1,590 sqft Living Area
1st Floor Area795 sqft
2nd Floor Area795 sqft
Basement Area590 sqft
Unfinished Basement590 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1890
Effective Year BuiltEffective 1985
Architectural StyleTraditional
Exterior MaterialBrick
Construction TypeFrame
Roof TypeHip
Roof MaterialAsphalt
Lot Area3,180 sqft (0.073 acres)
PorchSlab
Porch Area89 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Account Number0000006643
Street Address307 CLARKE ST
CityHELENA
StateMT
Zip59601-6224
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionHELENA TOWNSITE 1869, S25, T10 N, R04 W, BLOCK 52, LT W51'OF N34.5'OF10, W34' OF 11
Legal Range04W
Legal Township10N
Legal Section25
Legal SubdivisionHELENA TOWNSITE 1869
Legal Block52
JurisdictionLEWIS AND CLARK MT
Township / Civil DivisionHELENA
Census Block Group1
Census Block1023
Census Tract702

Historic Designation

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

Historic DistrictWithin the Helena Historic District
listed 1972 · 75 contributing resources · NRIS 72000737

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

Owner

307 Clarke St is owned and occupied by two individuals who acquired it in May 2021.

Source: Lewis And Clark County records, as of September 11, 2026

Owner of Record2 Individual Names on File
Mailing Address307 CLARKE ST, HELENA, MT 59601-6224
OccupancyOwner Occupied
Owner TypeIndividual

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 Names2 Names on Deed
Last Transfer DateMay 14, 2021
Transfer Doc0003378537
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

The 2026 property tax bill for 307 Clarke St was $2,713, up 9.2% from the year before.

Source: Lewis And Clark County assessment roll, as of September 11, 2026

Property Jurisdictions

TypeName
StateMontana
CountyLewis And Clark County
MunicipalityHelena City
Elementary School DistrictHelena Elementary School District (PK - 08)
Secondary School DistrictHelena High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$2,713.00 (+9.22%)$446,800 (-)
2025$2,484.00$446,800$446,800 Land $142,117 Building $304,683
2023$4,337.00$398,000$398,000 Land $79,859 Building $318,141

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

Flood

FEMA maps place 307 Clarke St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective April 7, 2024

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

Wildfire risk around 307 Clarke St is low, with a 0.04% annual chance of wildfire.

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

Wildfire RiskLow
lower than 62% of the US · lower than 85% of Montana
Wildfire Likelihood0.04% annual chance
ExposureIndirect
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 SystemHELENA WATER SYSTEM
serves 32,091 people · EPA ID MT0000241
Water SourceSurface water
Last State InspectionOct 2024
Lead3 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityHaloacetic acids
resolved · Jan 2023
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 437 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
Montana Internet
Fixed Wireless
500 / 50
Verizon
Fixed Wireless
300 / 20
AT&T
Fixed Wireless
100 / 20

May also be available: TDS Telecom.

Nearby Properties on Clarke St

Nearby Streets

Search Property Records by Address or Parcel Number