Natrona County property record for 5240 E 21st St, Casper, WY 82609
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 3,004 sqft · built 1995 |
| Lot Size | 0.357 acres (15,540 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $2,910 (2025) |
| Deeds & Mortgages | Jun 2026 Transfer Dec 2021 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 3378-18-20-9-02900 |
| Primary APN | 3378-18-20-9-02900 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 3,004 sqft Living Area |
| Basement Area | 2,963 sqft |
| Finished Basement | 2,963 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1995 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Ranch |
| Exterior Material | Brick/Stone |
| Construction Type | Frame |
| Roof Type | Gable/Hip |
| Roof Material | Composition Shingle |
| Lot Area | 15,540 sqft (0.357 acres) |
| Garage Type | Attached |
| Garage Area | 1,074 sqft |
| Parking Spaces | 4 Parking Spaces |
| Porch | Slab |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air |
| Account Number | R0008228 |
|---|---|
| Street Address | 5240 E 21ST ST |
| City | CASPER |
| State | WY |
| Zip | 82609-3820 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ELKHORN VALLEY #2 BLK 2 LOT 13 |
| Legal Range | 78W |
| Legal Township | 33N |
| Legal Section | 18 |
| Legal Subdivision | ELKHORN VALLEY #2 |
| Legal Block | 2 |
| Legal Lot Number | 13 |
| Jurisdiction | NATRONA WY |
| Township / Civil Division | CASPER SOUTH |
| Census Block Group | 3 |
| Census Block | 3018 |
| Census Tract | 1602 |
Source: Natrona County assessment roll, APN 3378-18-20-9-02900, as of 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 | 2 Company Names on File |
|---|---|
| Mailing Address | 5240 E 21ST ST, CASPER, WY 82609-3820 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Date | Document |
|---|---|
| Jun 25, 2026 | Affidavit of Death of Trustee, Transfer |
| Dec 13, 2021 | Intrafamily Transfer, Transfer |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Jun 25, 2026 |
| Transfer Doc | 0001189500 |
| Record Updated | Sep 20, 2026 |
| Document Type | Affidavit of Death of Trustee |
|---|---|
| Jurisdiction | NATRONA WY |
| Recording Date | Jun 25, 2026 |
| Property Address | 5240 E 21ST ST, CASPER, WY 82609-3820 |
| Document Number | 0001189500 |
| Instrument Date | Jun 25, 2026 |
| Instrument | 20261189500 |
| Transaction Type | Transfer |
| Record Updated | Jul 12, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 5240 E 21ST ST, CASPER, WY 82609-3820 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | NATRONA WY |
| Recording Date | Dec 13, 2021 |
| Property Address | 5240 E 21ST ST, CASPER, WY 82609-3820 |
| Document Number | 0001116414 |
| Instrument Date | Dec 06, 2021 |
| Instrument | 1116414 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 5240 E 21ST ST, CASPER, WY 82609-3820 |
Source: Natrona County assessment roll as of July 7, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Wyoming |
| County | Natrona County |
| Municipality | Casper City |
| 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 | $39,929 (-30.94%) Land $4,590 Building $35,339 | $889,819 (+1.93%) Land $96,632 Building $793,187 | |
| 2025 | $2,910.00 (-47.51%) | $57,814 (-23.99%) Land $6,845 Building $50,969 | $872,928 (+9.02%) Land $96,064 Building $776,864 |
| 2023 | $76,066 Land $10,615 Building $65,451 | $800,687 Land $111,733 Building $688,954 | |
| 2022 | $5,544.00 |
Source: FEMA National Flood Hazard Layer, Natrona County (56025C), as of January 2, 2020 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 560250016023, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 in force |
| Wildfire Risk | Moderate above 65% of the US · above 54% of Wyoming |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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, 50 locations within half a mile, as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Clarity Telecom Fiber | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 35 |
| Mountain West Technologies Fixed Wireless | 300 / 50 |
Source: EPA Safe Drinking Water Information System, water system WY5601415, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF CASPER serves 59,000 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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