12 S Alta St, Helena, MT 59601 Property Records

Lewis And Clark County property record for 12 S Alta St, Helena, MT 59601

Property Summary

Property Type	Single Family Home
Details	2 bd · 3 ba · 1,951 sqft · built 1887
Lot Size	0.23 acres (10,019 sqft)
Owner	Company Name on File
Tax Bill	$4,073 (2025)
Flood Zone	Zone D (undetermined)
APN	`R05850`

Property Details

APN / Parcel Number

Primary APN	`R05850`
Alternative APNs	`05-1888-31-1-24-25-0000` `0000000293`

Interior

Bedrooms	2 Beds
Full Baths	3 Baths
Total Rooms	4 Rooms
Stories	1 Story
Building Area	1,951 sqft Living Area
1st Floor Area	1,951 sqft
Basement Area	816 sqft
Finished Basement	816 sqft
Unfinished Basement	330 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1887
Effective Year Built	Effective 1995
Architectural Style	Conventional
Exterior Material	Wood
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	10,019 sqft (0.23 acres)
Garage Area	664 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Slab
Porch Area	24 sqft
Deck Area	842 sqft
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	0000000293
Street Address	12 S ALTA ST
City	HELENA
State	MT
Zip	59601-4474
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	1
Legal Description	VALLEY VIEW ADDN, S31, T10 N, R03 W, BLOCK 5, LOT 22 - 25
Legal Range	03W
Legal Township	10N
Legal Section	31
Legal Subdivision	VALLEY VIEW ADDN
Legal Block	5
Legal Lot Number	22-25
Jurisdiction	LEWIS AND CLARK MT
Township / Civil Division	HELENA
Census Block Group	3
Census Block	3003
Census Tract	1000

Owner

Source: Lewis And Clark County records · APN R05850

Assessment roll updated September 15, 2025 · Last verified April 2026

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

Owner of Record	Company Name on File
Mailing Address	12 S ALTA ST, HELENA, MT 59601-4474
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Transfer Date	Dec 31, 2012
Transfer Doc	M46/3563
Record Updated	Jun 08, 2026

Tax Assessment & Valuation

Source: Lewis And Clark County records · Assessment roll updated September 15, 2025 · Last verified April 2026

Property Jurisdictions

Type	Name
State	Montana
County	Lewis And Clark County
Municipality	Helena City
Elementary School District	Helena Elementary School District (PK - 08)
Secondary School District	Helena 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.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$4,073.00 (-32.35%)	$658,460 (+19.2%)	$658,460 (+19.2%) Land $206,500 Building $451,960
2023	$6,021.00	$552,410	$552,410 Land $164,000 Building $388,410

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 Zone	Zone D undetermined · not studied
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Low lower than 80% of the US · lower than 93% of Montana
Wildfire Likelihood	0.01% annual chance
Exposure	Indirect 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

Provider	Max 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 System	HELENA WATER SYSTEM serves 32,091 people
Water Source	Surface water
Last State Inspection	Oct 2024
Lead	3 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jan 2023
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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.