Jefferson County property record for 507 W 1st Ave, Boulder, MT 59632
| Property Type | Mobile Home |
|---|---|
| Details | 3 bd · 2 ba · 1,512 sqft · built 2019 |
| Lot Size | 0.413 acres (17,990 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $260,290 (Aug 2021) |
| Tax Bill | $1,121 (2026) |
| Deeds & Mortgages | Jun 2023 Mortgage Aug 2021 Mortgage + 1 more |
| APN | R513282 |
| Primary APN | R513282 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 1,512 sqft Living Area |
| 1st Floor Area | 1,512 sqft |
| Year Built | Built 2019 |
|---|---|
| Effective Year Built | Effective 2019 |
| Architectural Style | Mobile Home |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 17,990 sqft (0.413 acres) |
| Lot Dimensions | 150 ft deep x 45 ft wide |
| Shed | 1 Shed |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0000001168 |
|---|---|
| Street Address | 507 W 1ST AVE |
| City | BOULDER |
| State | MT |
| Zip | 59632-7704 |
| Property Category | Residential |
| Property Type | Residential > Prefabricated > Mobile Home |
| Legal Description | BOULDER ORIGINAL TOWNSITE, S29, T06 N, R04 W, BLOCK 41, LOT 20-A, ACRES 0.413, COS 270279, F1073B |
| Legal Range | 04W |
| Legal Township | 06N |
| Legal Section | 29 |
| Legal Subdivision | BOULDER ORIGINAL TOWNSITE |
| Legal Block | 41 |
| Legal Lot Number | 20-A |
| Jurisdiction | JEFFERSON MT |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3017 |
| Census Tract | 962202 |
Source: Jefferson County records, as of September 18, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | PO BOX 423, BOULDER, MT 59632-0423 |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jun 21, 2023 | Deed of Trust, Mortgage · USDA Mortgage USDA |
| Aug 26, 2021 | Warranty Deed, Transfer · Conventional Mortgage FIRST COMMUNITY BANK |
| Dec 27, 2019 | Deed of Trust, Mortgage · Conventional Mortgage MADISON VALLEY BANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 27, 2021 · Amount on Record |
| Deed Sale | Aug 27, 2021 · Amount on Record |
| Prior Sale | Aug 26, 2021 · Amount on Record |
| Deed Document Number | 2021279763 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | JEFFERSON MT |
| Property Address | 507 W 1ST AVE, BOULDER, MT 59632-7704 |
| Transaction Type | Mortgage |
| Record Updated | Jul 12, 2023 |
| Name | Verified Name |
|---|---|
| Address | 507 W 1ST AVE, BOULDER, MT 59632-7704 |
| Document Number | 0000285884 |
|---|---|
| Date | Jun 21, 2023 |
| Instrument | 285884 |
| Name | USDA |
|---|---|
| Type | Government Agency |
| Address | SAINT LOUIS, MO 63120 |
| Type | USDA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 480 Months |
| Due | Jun 1, 2063 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | JEFFERSON MT |
| Recording Date | Aug 26, 2021 |
| Property Address | 507 W 1ST AVE, BOULDER, MT 59632-7704 |
| Document Number | 279763 |
| Map Reference | FO 1073B |
| Instrument Date | Aug 20, 2021 |
| Instrument | 279763 |
| Transaction Type | Transfer |
| Record Updated | Sep 15, 2021 |
| Title Company | ROCKY MOUNTAIN TITLE, ROCKY MOUNTAIN TTL GUARANTY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | PO BOX 423, BOULDER, MT 59632-0423 |
| Document Number | 279764 |
|---|---|
| Date | Aug 26, 2021 |
| Instrument | 279764 |
| Name | FIRST COMMUNITY BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | JEFFERSON MT |
| Property Address | 507 W 1ST AVE, BOULDER, MT 59632-7704 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 272242 |
|---|---|
| Date | Dec 27, 2019 |
| Instrument | 272242 |
| Name | MADISON VALLEY BANK |
|---|---|
| Type | Bank |
| Address | ENNIS, MT 59729 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2050 |
Source: Jefferson County assessment roll, as of September 8, 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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,121.00 (-15.78%) | $211,271 (-) | |
| 2025 | $1,331.00 (-29.05%) | $211,271 (+5.99%) | $211,271 (+5.99%) Land $45,931 Building $165,340 |
| 2023 | $1,876.00 | $199,327 | $199,327 Land $53,717 Building $145,610 |
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 40% of the US · lower than 83% of Montana |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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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