Cascade County property record for 421 6th Ave S, Great Falls, MT 59405
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 2,866 sqft · built 1910 |
| Lot Size | 0.241 acres (10,498 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $459 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | R0211036 |
| Primary APN | R0211036 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 9 Plumbing Fixtures |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 2,866 sqft Living Area |
| 1st Floor Area | 1,524 sqft |
| 2nd Floor Area | 1,342 sqft |
| Basement Area | 1,342 sqft |
| Unfinished Basement | 1,342 sqft |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Historical |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 10,498 sqft (0.241 acres) |
| Lot Dimensions | 150 ft deep x 70 ft wide |
| Garage Type | Detached |
| Garage Area | 1,080 sqft |
| Parking Spaces | 4 Parking Spaces |
| Porch | Slab |
| Porch Area | 379 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0000242050 |
|---|---|
| Street Address | 421 6TH AVE S |
| City | GREAT FALLS |
| State | MT |
| Zip | 59405-2024 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Description | GREAT FALLS ORIGINAL TOWNSITE, S12, T20 N, R03 E, BLOCK 456, LOT 010 |
| Legal Range | 03E |
| Legal Township | 20N |
| Legal Section | 12 |
| Legal Subdivision | GREAT FALLS ORIGINAL TOWNSITE |
| Legal Block | 456 |
| Legal Lot Number | 10 |
| Jurisdiction | CASCADE MT |
| Township / Civil Division | GREAT FALLS |
| Census Block Group | 2 |
| Census Block | 2028 |
| Census Tract | 700 |
421 6th Ave S is owned and occupied by two individuals.
Source: Cascade County records, as of September 3, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 421 6TH AVE S, GREAT FALLS, MT 59405-2024 |
| 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 | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 421 6th Ave S was $459 with a homeowner's exemption, down 72.6% from the year before.
Source: Cascade County assessment roll, as of September 3, 2026
| Type | Name |
|---|---|
| State | Montana |
| County | Cascade County |
| Municipality | Great Falls City |
| Elementary School District | Great Falls Elementary School District (PK - 08) |
| Secondary School District | Great Falls High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $459.00 (-72.56%) Homeowner's exemption | $389,300 (-) | |
| 2025 | $1,673.00 | $389,300 | $389,300 Land $40,500 Building $348,800 |
| 2023 | $3,564.00 | $326,400 | $326,400 Land $37,650 Building $288,750 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 421 6th Ave S in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective November 16, 2022 · 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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 1 in force |
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 421 6th Ave S 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 | CITY OF GREAT FALLS serves 60,000 people · EPA ID MT0000525 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Apr 2025 |
| Lead | 12 ppb (2026) action level 15 ppb |
| Water Quality | Haloacetic acids resolved · Apr 2019 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 221 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 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Ziply Fiber.
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