20 S Alta St, Helena, MT 59601 Property Records

Lewis And Clark County property record for 20 S Alta St, Helena, MT 59601

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,210 sqft · built 1895
Lot Size0.114 acres (5,009 sqft)
OwnerIndividual Name on File
Tax Bill$3,210 (2023)
Flood ZoneZone D (undetermined)
APNR059049

Property Details

APN / Parcel Number

Primary APNR059049
Alternative APNs
  • 05-1888-31-1-24-29-0000
  • 0000006750

Interior

Bedrooms3 Beds
Full Baths2 Baths
Half Baths1 Half Bath
Plumbing Fixtures8 Plumbing Fixtures
Total Rooms5 Rooms
Stories1 Story
Building Area1,210 sqft Living Area
1st Floor Area864 sqft

Exterior

Year BuiltBuilt 1895
Effective Year BuiltEffective 1980
Architectural StyleConventional
Exterior MaterialWood Siding
Construction TypeFrame
Foundation TypeConcrete
Roof TypeGable
Roof MaterialAsphalt
Lot Area5,009 sqft (0.114 acres)
Garage TypeDetached
Parking Spaces2 Parking Spaces
Deck Area100 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Account Number0000006750
Street Address20 S ALTA ST
CityHELENA
StateMT
Zip59601-4474
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning Code1
Legal DescriptionVALLEY VIEW ADDN, S31, T10 N, R03 W, BLOCK 5, LOT 20 - 21
Legal SubdivisionVALLEY VIEW ADDN
Legal Block5
Legal Lot Number20,21
JurisdictionLEWIS AND CLARK MT
Township / Civil DivisionHELENA
Census Block Group3
Census Block3003
Census Tract1000

Owner

Source: Lewis And Clark County records · APN R059049

Assessment roll updated December 31, 2022 · Last verified August 2023

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

Owner of RecordIndividual Name on File
Mailing Address4815 W US HIGHWAY 12, HELENA, MT 59601-9694
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleAug 03, 1990
Deed SaleAug 03, 1990
Deed Document Number000M011436
Record UpdatedJun 07, 2026

Tax Assessment & Valuation

Source: Lewis And Clark County records · Assessment roll updated December 31, 2022 · Last verified August 2023

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

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

YearTax BillAssessed ValueAssessed Market Value
2023$3,210.00$294,600$294,600 Land $102,250 Building $192,350

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of April 7, 2024 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood ZoneZone D
undetermined · not studied
Flood Insurance RequirementNot required
lenders may require it

Wildfire

Wildfire RiskLow
lower than 80% of the US · lower than 93% of Montana
Wildfire Likelihood0.01% annual chance
ExposureIndirect
within ember reach

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

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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

May also be available: Montana Internet, TDS Telecom.

Based on FCC filings for 682 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water SystemHELENA WATER SYSTEM
serves 32,091 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.

Nearby Properties on S Alta St

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