Yellowstone County property record for 640 Custer Ave, Billings, MT 59101
| Property Type | Quadplex |
|---|---|
| Details | 16 bd · 8 ba · 4,856 sqft · built 1984 |
| Lot Size | 0.241 acres (10,500 sqft) |
| Owner | Company Name on File |
| Last Sale | $600,000 (Dec 2021) |
| Tax Bill | $4,493 (2025) |
| Deeds & Mortgages | Dec 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 000A25817A |
| Primary APN | 000A25817A |
|---|---|
| Alternative APNs |
|
| Bedrooms | 16 Beds |
|---|---|
| Full Baths | 8 Baths |
| Total Rooms | 4 Rooms |
| Units | 8 Units |
| Stories | 2 Stories |
| Building Area | 4,856 sqft Living Area |
| 1st Floor Area | 1,852 sqft |
| Upper Floors Area | 1,964 sqft |
| Basement Area | 1,040 sqft |
| Finished Basement | 1,040 sqft |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1984 |
| Architectural Style | Quadruplex |
| Construction Type | Frame |
| Lot Area | 10,500 sqft (0.241 acres) |
| View / Lot | Neighborhood / Spot |
| Porch | Porch |
| Cooling System | Window A/C |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 640 CUSTER AVE |
|---|---|
| City | BILLINGS |
| State | MT |
| Zip | 59101-2747 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Local Zoning Code | R-60 |
| Legal Description | YELLOWSTONE ADD, S04, T01 S, R26 E, BLOCK 6, LOT 26 - 28, 10500 SQUARE FEET, (02) |
| Legal Subdivision | YELLOWSTONE ADD |
| Legal Block | 6 |
| Legal Lot Number | 26-28 |
| Jurisdiction | YELLOWSTONE MT |
| Township / Civil Division | BILLINGS |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 1000 |
640 Custer Ave, a quadplex, is owned by a company that bought it in December 2021.
Source: Yellowstone County records, as of September 9, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1536 MULLOWNEY LN, 300, BILLINGS, MT 59101-6397 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
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 |
|---|---|
| Last Sale | Dec 23, 2021 · Amount on File |
| Deed Sale | Dec 23, 2021 · Amount on File |
| Prior Sale | Mar 14, 2005 |
| Deed Document Number | 20214002337 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | YELLOWSTONE MT |
| Recording Date | Dec 23, 2021 |
| Property Address | 640 CUSTER AVE, BILLINGS, MT 59101-2747 |
| Document Number | 0004002337 |
| Map Reference | DOC 4067 |
| Instrument Date | Dec 21, 2021 |
| Instrument | 4002337 |
| Transaction Type | Transfer |
| Record Updated | Jan 6, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1536 MULLOWNEY LN UNIT 300, 300, BILLINGS, MT 59101-6397 |
| Document Number | 0004002338 |
|---|---|
| Date | Dec 23, 2021 |
| Instrument | 4002338 |
| Name | ALTANA FCU |
|---|---|
| Type | Credit Union |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 62 Months |
| Due | Feb 1, 2027 |
The 2025 property tax bill for 640 Custer Ave was $4,493, down 18.7% 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 | $598,800 (-) Land $61,900 Building $536,900 | $598,800 (-) Land $61,900 Building $536,900 | |
| 2025 | $4,493.00 (-18.69%) | $598,800 Land $61,900 Building $536,900 | $598,800 Land $61,900 Building $536,900 |
| 2024 | $5,526.00 (+27.15%) | ||
| 2023 | $4,346.00 | $487,100 | $487,100 Land $58,400 Building $428,700 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 640 Custer Ave in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1978.
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 Claims | 3 (1978) |
| Most Recent Claim | May 1978 · rainfall accumulation |
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.
The area around 640 Custer Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 | 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 687 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TDS Telecom Fiber | 8,000 / 8,000 |
| Ziply Fiber Fiber | 6,000 / 6,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Wisp West Fixed Wireless | 200 / 100 |
May also be available: AT&T.
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