Fremont County property record for 423 E Madison Ave, Riverton, WY 82501
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,205 sqft · built 1917 |
| Lot Size | 0.321 acres (14,000 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $1,595 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 9114-34-1-48-001.00 |
| Primary APN | 9114-34-1-48-001.00 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,205 sqft Living Area |
| Basement Area | 1,082 sqft |
| Finished Basement | 1,082 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1917 |
|---|---|
| Effective Year Built | Effective 1917 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 14,000 sqft (0.321 acres) |
| Garage Type | Detached |
| Garage Area | 506 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Slab |
|---|---|
| Porch Area | 506 sqft |
| Deck Area | 144 sqft |
| Utility Building | 120 sqft |
| Heating System | Baseboard |
|---|
| Account Number | R0021383 |
|---|---|
| Street Address | 423 E MADISON AVE |
| City | RIVERTON |
| State | WY |
| Zip | 82501-4630 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ORIGINAL TOWN OF RIVERTON BLOCK 46 LOTS 1 & 2 WD-813-287 |
| Legal Subdivision | ORIGINAL TOWN OF RIVERTON |
| Legal Block | 46 |
| Legal Lot Number | 1,2 |
| Jurisdiction | FREMONT WY |
| Township / Civil Division | WIND RIVER RESERVATION |
| Census Block Group | 3 |
| Census Block | 3045 |
| Census Tract | 940500 |
Source: Fremont County records, as of July 2, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 423 E MADISON AVE, RIVERTON, WY 82501-4630 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Fremont County assessment roll, as of July 2, 2026
| Type | Name |
|---|---|
| State | Wyoming |
| County | Fremont County |
| Municipality | Riverton City |
| Unified School District | Fremont County School District 25 (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $14,350 (-39.6%) Land $2,244 Building $12,106 | $280,142 (+12.02%) Land $47,250 Building $232,892 | |
| 2025 | $1,595.00 (-14.06%) | ||
| 2023 | $23,757 Land $4,365 Building $19,392 | $250,081 Land $45,950 Building $204,131 | |
| 2022 | $1,856.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective August 1, 2024
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 94% of Wyoming |
|---|---|
| Wildfire Likelihood | 0.01% 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 | CITY OF RIVERTON serves 10,330 people · EPA ID WY5600047 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | May 2024 |
| Lead | 3 ppb (2024–2026) action level 15 ppb |
| Water Quality | Treatment failure resolved · May 2021 |
|---|---|
| Treatment and Procedure | Sanitary survey deficiency not corrected Jun 2023 |
| 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 273 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Wind River Internet Fixed Wireless · Fiber in parts of the area | 200 / 200 |
| Wyoming.com Fixed Wireless · Fiber in parts of the area | 200 / 100 |
| Visionary Broadband Fixed Wireless | 100 / 20 |
May also be available: Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures