Jefferson County property record for 603 W 4th Ave, Boulder, MT 59632
| Property Type | Residential Vacant Land |
|---|---|
| Lot Size | 0.231 acres (10,062 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $224 (2025) |
| APN | R512938 |
| Primary APN | R512938 |
|---|---|
| Alternative APNs |
|
| Lot Area | 10,062 sqft (0.231 acres) |
|---|---|
| Lot Dimensions | 160 ft deep x 63 ft wide |
| Heating Fuel | Gas |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0000001017 |
|---|---|
| Street Address | 603 W 4TH AVE |
| City | BOULDER |
| State | MT |
| Zip | 59632-7775 |
| Property Category | Residential |
| Property Type | Vacant Land > Residential |
| Legal Description | NORTHRUP AND JOYES ADD, S32, T06 N, R04 W, BLOCK 4, LOT 5 - 8, ACRES 0.231, W2 LOTS 5-8 |
| Legal Range | 04W |
| Legal Township | 06N |
| Legal Section | 32 |
| Legal Subdivision | NORTHRUP AND JOYES ADD |
| Legal Block | 4 |
| Legal Lot Number | 5-8 |
| Jurisdiction | JEFFERSON MT |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3057 |
| Census Tract | 962202 |
Source: Jefferson County records, as of April 17, 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 | PO BOX 744, BOULDER, MT 59632-0744 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
Source: Jefferson County assessment roll, as of September 22, 2025
| Type | Name |
|---|---|
| State | Montana |
| County | Jefferson County |
| Municipality | Boulder City |
| Elementary School District | Boulder Elementary School District (PK - 08) |
| Secondary School District | Jefferson High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $224.00 (-38.96%) | $39,506 (-3.84%) | $39,506 (-3.84%) Land $39,506 |
| 2023 | $367.00 | $41,084 | $41,084 Land $41,084 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Policies | 2 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 44% of the US · lower than 79% of Montana |
|---|---|
| Wildfire Likelihood | 0.05% 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 | CITY OF BOULDER serves 1,400 people · EPA ID MT0000158 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2025 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | Failure to filter resolved · Jul 2022 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 7 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 187 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Montana Internet Fixed Wireless | 500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
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