Yellowstone County property record for 4100 Jansma Ave, Billings, MT 59101
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,584 sqft · built 1977 |
| Lot Size | 0.152 acres (6,627 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,681 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 000A229770 |
| Primary APN | 000A229770 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 6 Plumbing Fixtures |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,584 sqft Living Area |
| Gross Area | 1,666 sqft |
| 1st Floor Area | 850 sqft |
| Basement Area | 816 sqft |
| Finished Basement | 734 sqft |
| Unfinished Basement | 82 sqft |
| Family Room | Family Room |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 2005 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 6,627 sqft (0.152 acres) |
| View / Lot | Neighborhood / Spot |
| Garage Type | Detached |
| Garage Area | 264 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Stoop |
| Porch Area | 28 sqft |
| Deck Area | 98 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4100 JANSMA AVE |
|---|---|
| City | BILLINGS |
| State | MT |
| Zip | 59101-5433 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-60 |
| Legal Description | SOUTHWEST PARK SUBD 4TH FILING, S09, T01 S, R26 E, BLOCK 12, LOT 13 |
| Legal Range | 26E |
| Legal Township | 01S |
| Legal Section | 09 |
| Legal Subdivision | SOUTHWEST PARK SUBD 4TH FILING |
| Legal Block | 12 |
| Legal Lot Number | 13 |
| Jurisdiction | YELLOWSTONE MT |
| Township / Civil Division | BILLINGS |
| Census Block Group | 4 |
| Census Block | 4005 |
| Census Tract | 902 |
4100 Jansma Ave is owned and occupied by an individual.
Source: Yellowstone County records, as of September 9, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4100 JANSMA AVE, BILLINGS, MT 59101-5433 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4100 Jansma Ave was $1,681, up 218.4% from the year before.
Source: Yellowstone County assessment roll, as of September 9, 2026
| Type | Name |
|---|---|
| State | Montana |
| Municipality | Billings City |
| County | Yellowstone County |
| Elementary School District | Billings Elementary School District (PK - 08) |
| Secondary School District | Billings High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $264,600 (-) Land $38,797 Building $225,803 | $264,600 (-) Land $38,797 Building $225,803 | |
| 2025 | $1,681.00 (+218.37%) | $264,600 Land $38,797 Building $225,803 | $264,600 Land $38,797 Building $225,803 |
| 2024 | $528.00 (-71.87%) | ||
| 2023 | $1,877.00 | $210,400 | $210,400 Land $38,027 Building $172,373 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4100 Jansma Ave in Zone X, an area of minimal flood risk, though there have been 7 flood claims nearby since 1997.
Source: FEMA National Flood Hazard Layer, effective March 23, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 7 (1997) |
| Claims Outside the SFHA | 7 of 7 |
| Most Recent Claim | Jun 1997 · Severe Storms,ice Jams, Snow Melt, Flooding |
| Claims by Event |
|
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.
Wildfire risk around 4100 Jansma Ave is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 88% of Montana |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | None beyond 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 | BILLINGS HEIGHTS CO WATER DIST OF serves 12,000 people · EPA ID MT0000155 |
|---|---|
| Water Source | Purchased surface water from CITY OF BILLINGS |
| Last State Inspection | Jun 2024 |
| Lead | 3 ppb (2025–2027) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 4 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 256 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Wisp West Fixed Wireless | 200 / 100 |
| AT&T Fixed Wireless | 100 / 20 |
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