Fremont County property record for 511 E Madison Ave, Riverton, WY 82501
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 775 sqft · built 1948 |
| Lot Size | 0.241 acres (10,500 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $90,000 (Nov 2007) |
| Tax Bill | $813 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 9114-34-1-47-003.00 |
| Primary APN | 9114-34-1-47-003.00 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 775 sqft Living Area |
| Gross Area | 927 sqft |
| Basement Area | 120 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 10,500 sqft (0.241 acres) |
| Porch | Enclosed Porch |
|---|---|
| Porch Area | 32 sqft |
| Shed | 1 Shed |
| Shed Area | 160 sqft |
| Heating System | Baseboard |
|---|---|
| Heating Fuel | Electric |
| Account Number | R0021374 |
|---|---|
| Street Address | 511 E MADISON AVE |
| City | RIVERTON |
| State | WY |
| Zip | 82501-4632 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ORIGINAL TOWN OF RIVERTON BLK 45 LOT 4 & EAST 25 LOT 5 DOC 1298958 |
| Legal Subdivision | ORIGINAL TOWN OF RIVERTON |
| Legal Block | 45 |
| Legal Lot Number | 4,5 |
| Jurisdiction | FREMONT WY |
| Township / Civil Division | WIND RIVER RESERVATION |
| Census Block Group | 3 |
| Census Block | 3044 |
| 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 | 511 E MADISON AVE, RIVERTON, WY 82501-4632 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 27, 2007 · Amount on Record |
| Deed Sale | Nov 27, 2007 · Amount on Record |
| Deed Document Number | 20071298958 |
| Prior Transfer Date | Nov 5, 2007 |
| Prior Transfer Doc | 20071298958 |
| 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 | $13,394 (+33.51%) Land $3,508 Building $9,886 | $140,984 (+0.72%) Land $36,925 Building $104,059 | |
| 2025 | $813.00 (-21.3%) | $10,032 (-21.37%) Land $2,631 Building $7,401 | $139,982 (+4.23%) Land $36,925 Building $103,057 |
| 2024 | $1,033.00 (+3.61%) | ||
| 2023 | $12,758 Land $3,384 Building $9,374 | $134,297 Land $35,625 Building $98,672 | |
| 2022 | $997.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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.
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