Natrona County property record for 331 Riverview Ave, Mills, WY 82644
| Property Type | Mobile Home |
|---|---|
| Details | 1 ba · 854 sqft · built 1974 |
| Owner | Individual Name on File |
| Tax Bill | $43 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 0000-00-13-3-98882 |
| Primary APN | 0000-00-13-3-98882 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1 Bath |
|---|---|
| Stories | 1 Story |
| Building Area | 854 sqft Living Area |
| Interior Walls | Paneling |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1974 |
| Architectural Style | Mobile Home |
| Exterior Material | Wood Siding |
| Roof Type | Flat |
| Roof Material | Metal |
| Heating System | Forced Air with A/C |
|---|
| Account Number | M0001500 |
|---|---|
| Street Address | 331 RIVERVIEW AVE |
| City | MILLS |
| State | WY |
| Zip | 82644-5142 |
| Property Category | Residential |
| Property Type | Residential > Prefabricated > Mobile Home |
| Legal Description | SYLVAN 1974 14 X 61 |
| Jurisdiction | NATRONA WY |
| Township / Civil Division | CASPER |
| Census Block Group | 1 |
| Census Block | 1092 |
| Census Tract | 1100 |
Source: Natrona County records · APN 0000-00-13-3-98882
Assessment roll updated July 7, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1523 KELLY DR, CASPER, WY 82609-3653 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Natrona County records · Assessment roll updated July 7, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Wyoming |
| County | Natrona County |
| Municipality | Mills Town |
| Unified School District | Natrona County School District 1 (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $599 (+38.34%) Building $599 | $6,310 (+38.41%) Building $6,310 | |
| 2025 | $43.00 (+38.71%) | ||
| 2023 | $433 Building $433 | $4,559 Building $4,559 | |
| 2022 | $31.00 |
Source: FEMA National Flood Hazard Layer as of January 2, 2020 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 1 (1983) |
| Most Recent Claim | Jul 1983 · tidal / storm surge |
| 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 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.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Mountain West Technologies Fixed Wireless · Fiber in parts of the area | 300 / 50 |
| Visionary Communications Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Clarity Telecom, Verizon.
Based on FCC filings for 203 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF MILLS serves 4,050 people |
|---|---|
| Water Source | Groundwater influenced by surface water |
| Last State Inspection | Aug 2022 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | Total trihalomethanes resolved · Jan 2025 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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