Jefferson County property record for 105 S Monroe St, Boulder, MT 59632
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,680 sqft · built 1890 |
| Lot Size | 0.355 acres (15,507 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $3,039 (2025) |
| APN | R514765 |
| Primary APN | R514765 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 1,680 sqft Living Area |
| 1st Floor Area | 1,080 sqft |
| 2nd Floor Area | 600 sqft |
| Year Built | Built 1890 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Historical |
| Exterior Material | Brick |
| Construction Type | Masonry / Concrete Block |
| Foundation Type | Concrete |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 15,507 sqft (0.355 acres) |
| Garage Type | Detached |
| Parking Spaces | 2 Parking Spaces |
| Porch | Enclosed Porch |
| Porch Area | 84 sqft |
| Total Buildings | 2 Buildings |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Account Number | 0000001974 |
|---|---|
| Street Address | 105 S MONROE ST |
| City | BOULDER |
| State | MT |
| Zip | 59632-7766 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BOULDER ORIGINAL TOWNSITE, S29, T06 N, R04 W, BLOCK 21, LOT 1 - 4, ACRES 0.356 |
| Legal Subdivision | BOULDER ORIGINAL TOWNSITE |
| Legal Block | 21 |
| Legal Lot Number | 1-4 |
| Jurisdiction | JEFFERSON MT |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3086 |
| Census Tract | 962202 |
Source: Jefferson County assessment roll, APN R514765, as of December 31, 2024 · Last verified November 2025
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 438, BOULDER, MT 59632-0438 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 27, 2003 |
| Deed Sale | Jun 27, 2003 |
| Deed Document Number | 00DOC27101 |
| Record Updated | Jun 08, 2026 |
Source: Jefferson County assessment roll as of December 31, 2024 · Last verified November 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) |
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 | $3,039.00 (-21.98%) | $461,912 (+11.42%) | $461,912 (+11.42%) Land $44,182 Building $417,730 |
| 2023 | $3,895.00 | $414,552 | $414,552 Land $50,132 Building $364,420 |
Source: FEMA National Flood Hazard Layer · FEMA OpenFEMA NFIP redacted claims and policies, census block group 300439622023, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | Low lower than 67% of the US · lower than 88% of Montana |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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, 187 locations within half a mile, as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Montana Internet Fixed Wireless | 500 / 50 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
Source: EPA Safe Drinking Water Information System, water system MT0000158, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF BOULDER serves 1,400 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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