Lewis And Clark County property record for 12 Harrison Ave, Helena, MT 59601
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,135 sqft · built 1890 |
| Lot Size | 0.147 acres (6,403 sqft) |
| Owner | Individual Name on File |
| Last Sale | $413,630 (Aug 2023) |
| Tax Bill | $3,815 (2026) |
| Deeds & Mortgages | Aug 2023 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | R058596 |
| Primary APN | R058596 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 9 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,135 sqft Living Area |
| 1st Floor Area | 1,146 sqft |
| 2nd Floor Area | 989 sqft |
| Attic | Attic |
| Attic Area | 370 sqft |
| Basement Area | 793 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1890 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Traditional |
| Exterior Material | Brick |
| Construction Type | Masonry / Concrete Block |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 6,403 sqft (0.147 acres) |
| Garage Type | Detached |
| Garage Area | 360 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Slab |
| Porch Area | 602 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0000006371 |
|---|---|
| Street Address | 12 HARRISON AVE |
| City | HELENA |
| State | MT |
| Zip | 59601-6234 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | HELENA TOWNSITE 1869, S25, T10 N, R04 W, BLOCK 56, N22' LT 3, ALL OF LT 4 |
| Legal Range | 04W |
| Legal Township | 10N |
| Legal Section | 25 |
| Legal Subdivision | HELENA TOWNSITE 1869 |
| Legal Block | 56 |
| Legal Lot Number | 3,4 |
| Jurisdiction | LEWIS AND CLARK MT |
| Township / Civil Division | HELENA |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 702 |
12 Harrison Ave is owned and occupied by an individual who bought it in August 2023.
Source: Lewis And Clark County records, as of September 11, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 12 HARRISON AVE, HELENA, MT 59601-6234 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 7, 2023 · Amount on File |
| Deed Sale | Aug 7, 2023 · Amount on File |
| Deed Document Number | 20233414130 |
| Deed Book / Page | 62 / 3975 |
| Prior Transfer Date | Jul 22, 2023 |
| Prior Transfer Doc | 0003413798 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | LEWIS AND CLARK MT |
| Recording Date | Aug 7, 2023 |
| Property Address | 12 HARRISON AVE, HELENA, MT 59601-6234 |
| Document Number | 00M62/3975 |
| Book / Page | M62 / 3975 |
| Instrument Date | Aug 7, 2023 |
| Instrument | 3414130 |
| Transaction Type | Transfer |
| Record Updated | Aug 23, 2023 |
| Title Company | NOT AVAILABLE, FLYINGS T&E OF MT INC |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 12 HARRISON AVE, HELENA, MT 59601-6234 |
| Document Number | 0003414131 |
|---|---|
| Date | Aug 7, 2023 |
| Instrument | 3414131 |
| Name | VALLEY BANK OF HELENA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Sep 1, 2053 |
The 2026 property tax bill for 12 Harrison Ave was $3,815, up 3.1% from the year before.
Source: Lewis And Clark County assessment roll, as of September 11, 2026
| 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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $3,815.00 (+3.05%) | $605,300 (-) | |
| 2025 | $3,702.00 | $605,300 | $605,300 Land $172,480 Building $432,820 |
| 2023 | $5,633.00 | $516,900 | $516,900 Land $119,540 Building $397,360 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 12 Harrison Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective April 7, 2024
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 12 Harrison Ave is low, with a 0.04% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 62% of the US · lower than 85% of Montana |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | Indirect within ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | HELENA WATER SYSTEM serves 32,091 people · EPA ID MT0000241 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Oct 2024 |
| Lead | 3 ppb (2022–2024) action level 15 ppb |
| 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, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 437 locations within half a mile, as of December 31, 2025
| Provider | Max 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.
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