Natrona County property record for 1811 E 21st St, Casper, WY 82601
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,085 sqft · built 1979 |
| Lot Size | 0.184 acres (8,000 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,686 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 3379-15-40-3-00900 |
| Primary APN | 3379-15-40-3-00900 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,085 sqft Living Area |
| Basement Area | 1,014 sqft |
| Finished Basement | 572 sqft |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | Split Level |
| Exterior Material | Wood |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 8,000 sqft (0.184 acres) |
| Garage Type | Attached |
| Garage Area | 520 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Heating System | Baseboard |
|---|---|
| Heating Fuel | Electric |
| Account Number | R0023647 |
|---|---|
| Street Address | 1811 E 21ST ST |
| City | CASPER |
| State | WY |
| Zip | 82601-5085 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PRATT #5 BLK 3 LOT 9 |
| Legal Range | 79W |
| Legal Township | 33N |
| Legal Section | 15 |
| Legal Subdivision | PRATT #5 |
| Legal Block | 3 |
| Legal Lot Number | 9 |
| Jurisdiction | NATRONA WY |
| Township / Civil Division | CASPER |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 601 |
1811 E 21st St, a single family home, is owned by an individual.
Source: Natrona County records, as of September 29, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 204, EVANSVILLE, WY 82636-0204 |
| 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 | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 1811 E 21st St was $1,686.
Source: Natrona County assessment roll, as of July 7, 2026
| Type | Name |
|---|---|
| State | Wyoming |
| County | Natrona County |
| Municipality | Casper City |
| Unified School District | Natrona County School District 1 (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,686.00 | $23,141 (+38.66%) Land $4,305 Building $18,836 | $247,935 (+0.23%) Land $45,315 Building $202,620 |
| 2025 | $1,686.00 | $16,689 Land $3,105 Building $13,584 | $247,374 Land $43,579 Building $203,795 |
| 2023 | $21,113 Land $4,134 Building $16,979 | $222,243 Land $43,520 Building $178,723 | |
| 2022 | $1,538.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1811 E 21st St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective January 2, 2020
| 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 1811 E 21st St 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 CASPER serves 59,000 people · EPA ID WY5601415 |
|---|---|
| Water Source | Purchased surface water from CENTRAL WY REGIONAL WATER SYSTEM JPB |
| Last State Inspection | Jun 2022 |
| Lead | 1 ppb (2024–2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 767 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Bluepeak Fiber | 5,000 / 5,000 |
| Visionary Broadband Fiber · Fixed Wireless | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Mountain West Technologies Fixed Wireless | 125 / 25 |
May also be available: AT&T, Verizon.
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