Jefferson County property record for 420 N Monroe St, Boulder, MT 59632
| Property Type | Self Storage |
|---|---|
| Details | 1,020 sqft · built 1940 |
| Lot Size | 0.569 acres (24,786 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $3,299 (2025) |
| Deeds & Mortgages | Aug 2023 Mortgage |
| APN | R513433 |
| Primary APN | R513433 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 1,020 sqft Total Area |
| 1st Floor Area | 1,020 sqft |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1990 |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 24,786 sqft (0.569 acres) |
| Lot Dimensions | 150 ft deep x 80 ft wide |
| Total Buildings | 3 Buildings |
| Cooling System | None |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0000001260 |
|---|---|
| Street Address | 420 N MONROE ST |
| City | BOULDER |
| State | MT |
| Zip | 59632 |
| Property Category | Industrial |
| Property Type | Industrial > Self Storage |
| Legal Description | CONSOLIDATED ADD (BOULDER), S28, T06 N, R04 W, BLOCK 46, LOT 11A, 24769 SQUARE FEET, COS 259308, 1020B |
| Legal Range | 04W |
| Legal Township | 06N |
| Legal Section | 28 |
| Legal Subdivision | CONSOLIDATED ADD (BOULDER) |
| Legal Block | 46 |
| Legal Lot Number | 11A |
| Jurisdiction | JEFFERSON MT |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3072 |
| Census Tract | 962202 |
Source: Jefferson County records, as of October 28, 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 Record |
|---|---|
| Mailing Address | PO BOX C, BOULDER, MT 59632-0140 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 13, 2024 |
| Deed Sale | Feb 13, 2024 |
| Deed Document Number | 2024287570 |
| Prior Transfer Date | Jan 29, 2024 |
| Prior Transfer Doc | 0000287570 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | JEFFERSON MT |
| Property Address | 420 N MONROE ST, BOULDER, MT 59632 |
| Transaction Type | Mortgage |
| Record Updated | Sep 8, 2023 |
| Name | Verified Name |
|---|---|
| Address | 310 E 3RD AVE, BOULDER, MT 59632-7798 |
| Document Number | 0000286362 |
|---|---|
| Date | Aug 23, 2023 |
| Instrument | 286362 |
| Name | MADISON VALLEY BANK |
|---|---|
| Type | Bank |
| Address | BOULDER, MT 59632 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
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 | $3,299.00 (-30.93%) | $314,400 (-17.83%) | $314,400 (-17.83%) Land $102,218 Building $212,182 |
| 2023 | $4,776.00 | $382,600 | $382,600 Land $62,272 Building $320,328 |
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 42% of the US · lower than 81% 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 186 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 · Fiber in parts of the area | 500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
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