Jefferson County property record for 421 N Monroe St, Boulder, MT 59632 · Last verified November 2025
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Architecture Style | Ranch |
| Year Built | Built 1974 |
| Square Footage | 1,008 sqft Living Area |
| Lot Size | 12,415 sqft (0.285 acres) |
| Garage | Detached |
| Tax Bill | $1,606.00 (2025) |
| Primary APN | R514316 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Partial Baths | 1 Partial Baths |
| Plumbing Fixtures | 7 Plumbing Fixtures |
| Total Rooms | 5 Rooms |
| Building Area | 1,008 sqft Living Area |
| 1st Floor | 1,008 sqft 1st Floor |
| Basement Area | 1,008 sqft Basement |
| Finished Basement | 1,008 sqft Finished |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1974 |
|---|---|
| Architectural Style | Ranch Style |
| Exterior Material | Wood Siding Exterior |
| Construction Type | Frame Construction |
| Foundation Type | Concrete Foundation |
| Roof Construction | Gable Roof Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 12,415 sqft (0.285 acres) |
| Parking Spaces | 5 Parking Spaces |
| Garage Type | Detached Garage |
| Shed | 1 Shed |
|---|---|
| Deck Area | 140 sqft Deck |
| Porch | Enclosed Porch |
| Porch Area | 140 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Heating Fuel | Gas Heating Fuel |
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Account Number | 0000001714 |
|---|---|
| Street Address | 421 N MONROE ST |
| City | BOULDER |
| State | MT |
| Zip | 59632-7703 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | BOULDER ORIGINAL TOWNSITE, S29, T06 N, R04 W, BLOCK 38, LOT 1 - 3, ACRES 0.285, & N 9' LOT 4 & NE CORNER LOTS 7-8 OF BLK 45, |
| Legal Subdivision | BOULDER ORIGINAL TOWNSITE |
| Legal Block | 38 |
| Legal Lot Number | 1-4,7-8 |
| Jurisdiction | JEFFERSON MT |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 3 |
| Census Block | 3033 |
| Census Tract | 962202 |
Source: Jefferson County records · APN R514316
Assessment roll updated 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 | 2 Individual Names on File |
|---|---|
| Mailing Address | PO BOX 604, BOULDER, MT 59632-0604 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Refreshed | Jun 08, 2026 |
Source: Jefferson County records · Assessment roll updated 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 | $1,606.00 (-27.69%) | $260,602 (+9.47%) | $260,602 (+9.47%) Land $41,692 Building $218,910 |
| 2023 | $2,221.00 | $238,055 | $238,055 Land $45,215 Building $192,840 |
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