Natrona County property record for 3821 E 21st St, Casper, WY 82609
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,496 sqft · built 1979 |
| Lot Size | 0.232 acres (10,125 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $1,638 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 3379-13-21-6-00200 |
| Primary APN | 3379-13-21-6-00200 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,496 sqft Living Area |
| Basement Area | 1,440 sqft |
| Unfinished Basement | 1,392 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | Split Level |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable/Hip |
| Roof Material | Composition Shingle |
| Lot Area | 10,125 sqft (0.232 acres) |
| Garage Type | Attached |
| Garage Area | 624 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
| Storage Building | 96 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0020809 |
|---|---|
| Street Address | 3821 E 21ST ST |
| City | CASPER |
| State | WY |
| Zip | 82609-3633 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PRATT #3 BLK 8 LOT 3 |
| Legal Range | 79W |
| Legal Township | 33N |
| Legal Section | 13 |
| Legal Subdivision | PRATT #3 |
| Legal Block | 8 |
| Legal Lot Number | 3 |
| Jurisdiction | NATRONA WY |
| Township / Civil Division | CASPER |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 501 |
Source: Natrona County records, as of September 29, 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 Record |
|---|---|
| Mailing Address | 3831 E 21ST ST, CASPER, WY 82609-3633 |
| Owner Type | Individual |
| Vesting | Et Ux (and Wife) |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 22, 2016 |
| Deed Sale | Nov 22, 2016 |
| Deed Document Number | 20161022622 |
| Record Updated | Oct 29, 2026 |
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 | $1,638.00 (-0.06%) | $22,483 (+2.36%) Land $4,898 Building $17,585 | $325,470 (+5.58%) Land $68,749 Building $256,721 |
| 2025 | $1,639.00 (-24.68%) | $21,964 (-26.45%) Land $5,056 Building $16,908 | $308,264 (-1.94%) Land $70,955 Building $237,309 |
| 2023 | $29,863 Land $5,762 Building $24,101 | $314,347 Land $60,649 Building $253,698 | |
| 2022 | $2,176.00 |
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 January 2, 2020 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 1 (2017) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Apr 2017 · other causes |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 73% of the US · above 73% of Wyoming |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Direct burnable vegetation |
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 186 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Bluepeak Fiber | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Mountain West Technologies Fixed Wireless · Fiber in parts of the area | 300 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: CenturyLink, Visionary Broadband.
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