Fremont County property record for 618 E Washington Ave, Riverton, WY 82501
| Property Type | Commercial Office |
|---|---|
| Details | 1,920 sqft · built 1981 |
| Lot Size | 0.083 acres (3,606 sqft) |
| Owner | Company Name on File |
| Last Sale | $193,456 (Jan 2023) |
| Tax Bill | $1,941 (2025) |
| Deeds & Mortgages | Jan 2023 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 9114-34-1-18-004.00 |
| Primary APN | 9114-34-1-18-004.00 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 1,920 sqft Gross Area |
| Elevator | Elevator |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1981 |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Roof Type | Flat |
| Lot Area | 3,606 sqft (0.083 acres) |
| Porch | Enclosed Porch |
| Porch Area | 40 sqft |
| Cooling System | Package A/C |
|---|---|
| Heating System | HVAC |
| Account Number | R0021122 |
|---|---|
| Street Address | 618 E WASHINGTON AVE |
| City | RIVERTON |
| State | WY |
| Zip | 82501-4451 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Legal Description | ORIGINAL TOWN OF RIVERTON BLK 16 (REPLAT OF LOTS 17 & 18) LOT 18C PC 6 PG 37 WD 2023-1445212 |
| Legal Subdivision | ORIGINAL TOWN OF RIVERTON |
| Legal Block | 16 |
| Legal Lot Number | 18C |
| Jurisdiction | FREMONT WY |
| Township / Civil Division | WIND RIVER RESERVATION |
| Census Block Group | 3 |
| Census Block | 3016 |
| Census Tract | 940500 |
618 E Washington Ave, a commercial property, is owned by a company that bought it in January 2023.
Source: Fremont County records, as of July 2, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 618 E WASHINGTON AVE, RIVERTON, WY 82501-4451 |
| 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 | Jan 9, 2023 · Amount on File |
| Deed Sale | Jan 9, 2023 · Amount on File |
| Deed Document Number | 20231445212 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | FREMONT WY |
| Recording Date | Jan 9, 2023 |
| Property Address | 618 E WASHINGTON AVE, RIVERTON, WY 82501-4451 |
| Document Number | 20231445212 |
| Instrument Date | Dec 21, 2022 |
| Instrument | 2023-1445212 |
| Transaction Type | Transfer |
| Record Updated | Jan 23, 2023 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 618 E WASHINGTON, KILLEY, KY 82561 |
| Document Number | 20231445213 |
|---|---|
| Date | Jan 9, 2023 |
| Instrument | 2023-1445213 |
| Name | FIRST INTERSTATE BANK |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 60 Months |
| Due | Jan 17, 2028 |
The 2025 property tax bill for 618 E Washington Ave was $1,941, up 5.5% from the year before.
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 | $25,706 (+7.31%) Land $856 Building $24,850 | $270,594 (+7.31%) Land $9,015 Building $261,579 | |
| 2025 | $1,941.00 (+5.49%) | $23,954 Land $856 Building $23,098 | $252,152 Land $9,015 Building $243,137 |
| 2024 | $1,840.00 | ||
| 2023 | $16,523 Land $856 Building $15,667 | $173,932 Land $9,015 Building $164,917 | |
| 2022 | $1,291.00 |
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.
FEMA maps place 618 E Washington Ave in Zone X, an area of minimal flood risk.
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.
The area around 618 E Washington Ave 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 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 431 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 |
| 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: T-Mobile, Verizon.
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