Lewis And Clark County property record for 1335 Boulder Ave, Helena, MT 59601
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2.5 ba · 2,430 sqft · built 1910 |
| Lot Size | 0.161 acres (7,013 sqft) |
| Owner | Individual Name on File |
| Last Sale | $390,335 (Aug 2025) |
| Tax Bill | $6,090 (2026) |
| Deeds & Mortgages | Aug 2020 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | R054770 |
| Primary APN | R054770 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 12 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,430 sqft Total Area |
| 1st Floor Area | 1,366 sqft |
| Basement Area | 1,064 sqft |
| Finished Basement | 1,064 sqft |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Conventional |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 7,013 sqft (0.161 acres) |
| Garage Type | Detached |
| Garage Area | 1,040 sqft |
| Parking Spaces | 4 Parking Spaces |
| Porch | Slab |
|---|---|
| Porch Area | 72 sqft |
| Shed | 1 Shed |
| Shed Area | 96 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0000003382 |
|---|---|
| Street Address | 1335 BOULDER AVE |
| City | HELENA |
| State | MT |
| Zip | 59601-3570 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | 1 |
| Legal Description | NORTHERN PACIFIC ADDN, S29, T10 N, R03 W, BLOCK 19, LOT 8 |
| Legal Range | 03W |
| Legal Township | 10N |
| Legal Section | 29 |
| Legal Subdivision | NORTHERN PACIFIC ADDN |
| Legal Block | 19 |
| Legal Lot Number | 8 |
| Jurisdiction | LEWIS AND CLARK MT |
| Township / Civil Division | HELENA |
| Census Block Group | 4 |
| Census Block | 4031 |
| Census Tract | 900 |
1335 Boulder Ave, a duplex, is owned and occupied by an individual who bought it in August 2025.
Source: Lewis And Clark County records, as of September 11, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1335 BOULDER AVE, HELENA, MT 59601-3570 |
| 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 11, 2025 · Amount on File |
| Deed Sale | Aug 11, 2025 · Amount on File |
| Prior Sale | Aug 3, 2020 |
| Deed Document Number | 20253438610 |
| Deed Book / Page | 64 / 4736 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | LEWIS AND CLARK MT |
| Recording Date | Aug 3, 2020 |
| Property Address | 1335 BOULDER AVE, HELENA, MT 59601-3570 |
| Document Number | M57/5154 |
| Book / Page | M57 / 5154 |
| Instrument Date | Aug 3, 2020 |
| Instrument | 3359678 |
| Transaction Type | Transfer |
| Record Updated | Aug 12, 2021 |
| Title Company | FIRST MONTANA LAND TITLE COMPANY, FIRST MONTANA LAND TITLE CO |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
The 2026 property tax bill for 1335 Boulder Ave was $6,090, up 212.3% 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 | $6,090.00 (+212.31%) | $411,800 (+11.54%) | |
| 2025 | $1,950.00 | $369,200 | $411,800 Land $103,400 Building $308,400 |
| 2023 | $3,773.00 | $346,200 | $346,200 Land $84,150 Building $262,050 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1335 Boulder 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.
The area around 1335 Boulder Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 318 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TDS Telecom Fiber | 8,000 / 8,000 |
| 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: 3 Rivers Communications, Montana Internet.
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