Butte-Silver Bow property record for 910 W Porphyry St, Butte, MT 59701
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,320 sqft · built 1930 |
| Lot Size | 0.115 acres (5,009 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $2,064 (2026) |
| Deeds & Mortgages | Jan 2018 Mortgage Mar 2018 Sale + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | R016668 |
| Primary APN | R016668 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 6 Plumbing Fixtures |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,320 sqft Living Area |
| 1st Floor Area | 1,320 sqft |
| Basement Area | 234 sqft |
| Finished Basement | 234 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Historical |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 5,009 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Terrain | Above Road/Slope |
| Garage Type | Detached |
| Garage Area | 520 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
| Porch Area | 16 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0000510700 |
|---|---|
| Street Address | 910 W PORPHYRY ST |
| City | BUTTE |
| State | MT |
| Zip | 59701-2226 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-1 |
| Legal Description | WEST END ADD, S14, T03 N, R08 W, E 20' OF LOT 2, ALL OF LOT 3, RESERVE LODE - POR OF L |
| Legal Range | 08W |
| Legal Township | 03N |
| Legal Section | 14 |
| Legal Subdivision | WEST END ADD |
| Legal Lot Number | 2,3 |
| Jurisdiction | SILVER BOW MT |
| Township / Civil Division | BUTTE |
| Census Block Group | 4 |
| Census Block | 4030 |
| Census Tract | 200 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Butte-Anaconda Historic District (Additional Documentation) listed 1966 · 6,015 contributing resources · National Historic Landmark (designated 1961) · NRIS 66000438 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
910 W Porphyry St is owned and occupied by an individual who acquired it in August 2024.
Source: Butte-Silver Bow records, as of September 4, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 910 W PORPHYRY ST, BUTTE, MT 59701-2226 |
| 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.
| Date | Document |
|---|---|
| Jan 2, 2018 | Deed of Trust, Mortgage · Conventional Mortgage OPPORTUNITY BANK OF MT |
| Mar 14, 2018 | Deed, Transfer |
| Jan 2, 2018 | Warranty Deed, Transfer · Conventional Mortgage OPPORTUNITY BANK OF MT |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 14, 2018 |
| Deed Sale | Mar 14, 2018 |
| Prior Sale | Jan 2, 2018 · Amount on File |
| Deed Document Number | 2018690331 |
| Deed Book / Page | 404 / 225 |
| Last Transfer Date | Aug 8, 2024 |
| Transfer Doc | 0000737506 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SILVER BOW MT |
| Property Address | 910 W PORPHYRY ST, BUTTE, MT 59701-2226 |
| Transaction Type | Mortgage |
| Record Updated | Jun 29, 2021 |
| Name | Verified Name |
|---|
| Document Number | 402/681 |
|---|---|
| Date | Jan 2, 2018 |
| Book Page | 402/681 |
| Instrument | 689059 |
| Name | OPPORTUNITY BANK OF MT |
|---|---|
| Type | Bank |
| Address | HELENA, MT 59604 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Jan 1, 2033 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SILVER BOW MT |
| Recording Date | Mar 14, 2018 |
| Property Address | 910 W PORPHYRY ST, BUTTE, MT 59701-2226 |
| Document Number | 000404/225 |
| Book / Page | 404 / 225 |
| Instrument Date | Jan 22, 2018 |
| Instrument | 690331 |
| Transaction Type | Transfer |
| Record Updated | Aug 17, 2022 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | SILVER BOW MT |
| Recording Date | Jan 2, 2018 |
| Property Address | 910 W PORPHYRY ST, BUTTE, MT 59701-2226 |
| Document Number | 000402/680 |
| Book / Page | 402 / 680 |
| Instrument Date | Dec 27, 2017 |
| Instrument | 689058 |
| Transaction Type | Transfer |
| Record Updated | Nov 16, 2022 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Number | 000402/681 |
|---|---|
| Date | Jan 2, 2018 |
| Book Page | 402/681 |
| Instrument | 689059 |
| Name | OPPORTUNITY BANK OF MT |
|---|---|
| Type | Bank |
| Address | HELENA, MT 59604 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Jan 1, 2033 |
The 2026 property tax bill for 910 W Porphyry St was $2,064.
Source: Butte-Silver Bow assessment roll, as of September 4, 2026
| Type | Name |
|---|---|
| State | Montana |
| County / Consolidated City | Butte-Silver Bow |
| Elementary School District | Butte Elementary School District (PK - 08) |
| Secondary School District | Butte High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $2,064.00 | $262,300 (-) | |
| 2025 | $2,064.00 | $262,300 | $262,300 Land $49,080 Building $213,220 |
| 2023 | $2,585.00 | $231,500 | $231,500 Land $44,926 Building $186,574 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 910 W Porphyry St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 31, 2022
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 910 W Porphyry St is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 93% of Montana |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 | BUTTE SILVERBOW WATER DEPT serves 33,000 people · EPA ID MT0000170 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2025 |
| Lead | 2 ppb (2022–2024) action level 15 ppb |
| Water Quality | Failure to filter resolved · Apr 2012 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 3 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.
Source: FCC Broadband Data Collection, based on 459 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 |
| Visionary Broadband Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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