Lewis And Clark County property record for 405 Monroe Ave, Helena, MT 59601
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,294 sqft · built 1940 |
| Lot Size | 0.177 acres (7,710 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $2,861 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | R054703 |
| Primary APN | R054703 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 9 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,294 sqft Living Area |
| 1st Floor Area | 1,294 sqft |
| Basement Area | 630 sqft |
| Finished Basement | 630 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 7,710 sqft (0.177 acres) |
| Garage Area | 432 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
| Porch Area | 96 sqft |
| Deck Area | 360 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0000003329 |
|---|---|
| Street Address | 405 MONROE AVE |
| City | HELENA |
| State | MT |
| Zip | 59601-6174 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Description | S25, T10 N, R04 W, M&B TRACT PER BK.153-PG.70, IN SW4SE4 |
| Legal Range | 04W |
| Legal Township | 10N |
| Legal Section | 25 |
| Jurisdiction | LEWIS AND CLARK MT |
| Township / Civil Division | HELENA |
| Census Block Group | 1 |
| Census Block | 1012 |
| Census Tract | 702 |
Source: Lewis And Clark County records, as of September 11, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 405 MONROE AVE, HELENA, MT 59601-6174 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 16, 2022 |
| Deed Sale | Dec 16, 2022 |
| Deed Document Number | 20223406885 |
| Deed Book / Page | 61 / 7727 |
| Record Updated | Oct 29, 2026 |
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 | $2,861.00 (+9.2%) | $465,400 (-) | |
| 2025 | $2,620.00 (-35.48%) | $465,400 (+24.91%) | $465,400 (+24.91%) Land $184,765 Building $280,635 |
| 2023 | $4,061.00 | $372,600 | $372,600 Land $135,595 Building $237,005 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 61% of the US · lower than 63% of Montana |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Direct burnable vegetation |
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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