Lewis And Clark County property record for 505 8th Ave, Helena, MT 59601
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1.5 ba · 1,978 sqft · built 1934 |
| Lot Size | 0.256 acres (11,151 sqft) |
| Owner | Individual Name on File |
| Last Sale | $175,000 (Nov 2009) |
| Tax Bill | $3,765 (2026) |
| Flood Zone | Zone D (undetermined) |
| APN | R0527440 |
| Primary APN | R0527440 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,978 sqft Living Area |
| 1st Floor Area | 1,276 sqft |
| Attic | Attic |
| Attic Area | 702 sqft |
| Basement Area | 382 sqft |
| Finished Basement | 382 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1934 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Bungalow |
| Exterior Material | Brick |
| Construction Type | Masonry / Concrete Block |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 11,151 sqft (0.256 acres) |
| Garage Type | Detached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
| Porch Area | 88 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0000026189 |
|---|---|
| Street Address | 505 8TH AVE |
| City | HELENA |
| State | MT |
| Zip | 59601-3712 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Description | HELENA TOWNSITE 1869, S30, T10 N, R03 W, BLOCK 446, LOT 1, TR C PER C OF S #457747/E |
| Legal Range | 03W |
| Legal Township | 10N |
| Legal Section | 30 |
| Legal Subdivision | HELENA TOWNSITE 1869 |
| Legal Block | 446 |
| Legal Lot Number | 1 |
| Jurisdiction | LEWIS AND CLARK MT |
| Township / Civil Division | HELENA |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 1000 |
505 8th Ave is owned and occupied by an individual who bought it in November 2009.
Source: Lewis And Clark County records, as of September 11, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 505 8TH AVE, HELENA, MT 59601-3712 |
| 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 | Nov 30, 2009 · Amount on File |
| Deed Sale | Nov 30, 2009 · Amount on File |
| Deed Document Number | 20093178898 |
| Deed Book / Page | 41 / 2318 |
| Prior Transfer Date | Nov 25, 2009 |
| Prior Transfer Doc | M41/2318 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 505 8th Ave was $3,765, up 4.2% 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 | $3,765.00 (+4.24%) | $597,300 (-) | |
| 2025 | $3,612.00 | $597,300 | $597,300 Land $217,557 Building $379,743 |
| 2023 | $5,176.00 | $475,000 | $475,000 Land $178,450 Building $296,550 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 505 8th Ave in Zone D, where flood risk has not been studied.
Source: FEMA National Flood Hazard Layer, effective April 7, 2024
| FEMA Flood Zone | Zone D undetermined · not studied |
|---|---|
| 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 505 8th Ave is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 93% of Montana |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 506 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 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: CenturyLink, Montana Internet, T-Mobile.
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