Butte-Silver Bow property record for 421 N Excelsior Ave, Butte, MT 59701
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 4 ba · 2,886 sqft · built 1915 |
| Lot Size | 0.068 acres (2,962 sqft) |
| Owner | Company Name on File |
| Tax Bill | $2,798 (2026) |
| Deeds & Mortgages | Aug 2018 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | R0113559 |
| Primary APN | R0113559 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,886 sqft Total Area |
| 1st Floor Area | 1,443 sqft |
| Upper Floors Area | 1,443 sqft |
| Basement Area | 940 sqft |
| Unfinished Basement | 940 sqft |
| Year Built | Built 1915 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Duplex Single |
| Exterior Material | Brick |
| Construction Type | Wood |
| Lot Area | 2,962 sqft (0.068 acres) |
| Lot Dimensions | 90 ft deep x 33 ft wide |
| Porch | Slab |
| Porch Area | 46 sqft |
| Patio Area | 41 sqft |
| Cooling System | None |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0001142300 |
|---|---|
| Street Address | 421 N EXCELSIOR AVE |
| City | BUTTE |
| State | MT |
| Zip | 59701-9013 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R-3 |
| Legal Description | BELCHER LODE, S14, T03 N, R08 W, LOT 9, LAWLOR & KEMPER - POR OF LT 1 BLK 3 |
| Legal Range | 08W |
| Legal Township | 03N |
| Legal Section | 14 |
| Legal Subdivision | BELCHER LODE |
| Legal Block | 3 |
| Legal Lot Number | 1,9 |
| Jurisdiction | SILVER BOW MT |
| Township / Civil Division | BUTTE |
| Census Block Group | 5 |
| Census Block | 5018 |
| 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.
421 N Excelsior Ave, a duplex, is owned by a company that acquired it in August 2018.
Source: Butte-Silver Bow records, as of September 4, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1200 W PORPHYRY ST, BUTTE, MT 59701-2130 |
| Owner Type | Company |
| Vesting | 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 | Aug 28, 2018 |
| Deed Sale | Aug 28, 2018 |
| Deed Document Number | 2018693570 |
| Deed Book / Page | 407 / 735 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | SILVER BOW MT |
| Recording Date | Aug 28, 2018 |
| Property Address | 421 N EXCELSIOR AVE, BUTTE, MT 59701-9013 |
| Document Number | 407/735 |
| Book / Page | 407 / 735 |
| Instrument Date | Aug 27, 2018 |
| Instrument | 693570 |
| Transaction Type | Transfer |
| Record Updated | Aug 13, 2021 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
The 2026 property tax bill for 421 N Excelsior Ave was $2,798.
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 | $2,798.00 | $287,634 (-) | |
| 2025 | $2,798.00 | $287,634 | $287,634 Land $25,274 Building $262,360 |
| 2023 | $3,582.00 | $283,200 | $283,200 Land $26,981 Building $256,219 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 421 N Excelsior Ave 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 421 N Excelsior Ave 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 | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 843 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Visionary Broadband Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Fatbeam.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures