Jefferson County property record for 520 W 4th Ave, Boulder, MT 59632 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,040 sqft · built 1985 |
| Lot Size | 0.23 acres (10,019 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,823 (2025) |
| APN | R514215 |
| Primary APN | R514215 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 5 Plumbing Fixtures |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,040 sqft Living Area |
| 1st Floor Area | 1,040 sqft |
| Basement Area | 1,040 sqft |
| Finished Basement | 1,040 sqft |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Ranch |
| Exterior Material | Asbestos |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 10,019 sqft (0.23 acres) |
| Lot Dimensions | 100 ft deep x 100 ft wide |
| Porch | Porch |
| Porch Area | 192 sqft |
| Shed | 1 Shed |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0000001649 |
|---|---|
| Street Address | 520 W 4TH AVE |
| City | BOULDER |
| State | MT |
| Zip | 59632-7797 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | NORTHRUP AND JOYES ADD, S32, T06 N, R04 W, BLOCK 1, LOT 9 - 11, ACRES 0.23, W 100' LOTS 9-10, W 100' OF S2 LOT 11 |
| Legal Range | 04W |
| Legal Township | 06N |
| Legal Section | 32 |
| Legal Subdivision | NORTHRUP AND JOYES ADD |
| Legal Block | 1 |
| Legal Lot Number | 9-11 |
| Jurisdiction | JEFFERSON MT |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3065 |
| Census Tract | 962202 |
Source: Jefferson County records · APN R514215
Assessment roll updated September 22, 2025 · Last verified August 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 File |
|---|---|
| Mailing Address | PO BOX 252, BOULDER, MT 59632-0252 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 31, 2022 |
| Deed Sale | Oct 31, 2022 |
| Deed Document Number | 2022284283 |
| Record Updated | Sep 20, 2026 |
Source: Jefferson County records · Assessment roll updated September 22, 2025 · Last verified August 2026
| 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) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,823.00 (-9.93%) | $301,400 (+40.13%) | $301,400 (+40.13%) Land $39,424 Building $261,976 |
| 2023 | $2,024.00 | $215,093 | $215,093 Land $40,933 Building $174,160 |
Source: FEMA National Flood Hazard Layer · FEMA OpenFEMA NFIP redacted claims and policies, census block group 300439622023, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | Moderate above 45% of the US · above 20% of Montana |
|---|---|
| Wildfire Likelihood | About 1 in 1,961 per year |
| Exposure | Indirect within ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 187 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Spectrum | Cable | 1,000 / 1,000 |
| Montana Internet | Fixed Wireless (unlicensed) | 500 / 50 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
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