Natrona County property record for 4521 E 21st St, Casper, WY 82609
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3.5 ba · 3,897 sqft · built 2005 |
| Lot Size | 0.42 acres (18,300 sqft) |
| Owner | Individual Name on File |
| Last Sale | $882,000 (Feb 2025) |
| Tax Bill | $4,254 (2026) |
| Deeds & Mortgages | Nov 2025 Line of Credit Mar 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 3379-13-11-8-00600 |
| Primary APN | 3379-13-11-8-00600 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,897 sqft Living Area |
| Basement Area | 1,991 sqft |
| Finished Basement | 1,991 sqft |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 3 Fireplaces |
| Fireplace | Fireplace |
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2005 |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable/Hip |
| Roof Material | Composition Shingle |
| Lot Area | 18,300 sqft (0.42 acres) |
| Garage Type | Mixed |
| Garage Area | 824 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
| Deck Area | 384 sqft |
| Wet Bar | Wet Bar |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air |
| Account Number | R0020460 |
|---|---|
| Street Address | 4521 E 21ST ST |
| City | CASPER |
| State | WY |
| Zip | 82609-3870 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MEADOW VIEW EST #1 BLK 4 LOT 6 |
| Legal Range | 79W |
| Legal Township | 33N |
| Legal Section | 13 |
| Legal Subdivision | MEADOW VIEW EST #1 |
| Legal Block | 4 |
| Legal Lot Number | 6 |
| Jurisdiction | NATRONA WY |
| Township / Civil Division | CASPER SOUTH |
| Census Block Group | 3 |
| Census Block | 3025 |
| Census Tract | 1602 |
4521 E 21st St is owned and occupied by an individual who bought it in February 2025.
Source: Natrona County records, as of September 29, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4521 E 21ST ST, CASPER, WY 82609-3870 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Her Husband |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Nov 14, 2025 | Deed of Trust, Mortgage · Line of Credit PLATTE VALLEY BANK |
| Mar 4, 2020 | Warranty Deed, Transfer JONAH BK/WY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 11, 2025 · Amount on File |
| Deed Sale | Feb 11, 2025 · Amount on File |
| Prior Sale | Mar 4, 2020 · Amount on File |
| Deed Document Number | 20251167249 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NATRONA WY |
| Property Address | 4521 E 21ST ST, CASPER, WY 82609-3870 |
| Transaction Type | Mortgage |
| Record Updated | Dec 2, 2025 |
| Name | Verified Name |
|---|---|
| Address | 4521 E 21ST ST, ALLENDALE, WY 82609-3870 |
| Document Number | 0001179750 |
|---|---|
| Date | Nov 14, 2025 |
| Instrument | 1179750 |
| Name | PLATTE VALLEY BANK |
|---|---|
| Type | Bank |
| Address | CASPER, WY 82609 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 12 Months |
| Due | Nov 1, 2026 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | NATRONA WY |
| Recording Date | Mar 4, 2020 |
| Property Address | 4521 E 21ST ST, CASPER, WY 82609-3870 |
| Document Number | 0001078129 |
| Instrument Date | Feb 29, 2020 |
| Instrument | 1078129 |
| Transaction Type | Transfer |
| Record Updated | Jun 18, 2020 |
| Title Company | AMERICAN TITLE COMPANY, AMERICAN TITLE AGCY INC |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 4521 E 21ST ST CASPER WY 826093870, CASPER, WY 82609-3870 |
| Document Number | 1078130 |
|---|---|
| Date | Mar 4, 2020 |
| Instrument | 1078130 |
| Name | JONAH BK/WY |
|---|---|
| Type | Bank |
| Address | CASPER, WY 82609 |
| Amount | Amount on Record |
|---|
The 2026 property tax bill for 4521 E 21st St was $4,254, down 9.4% from the year before.
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 | $4,254.00 (-9.35%) | $64,383 (+0.4%) Land $7,840 Building $56,543 | $903,624 (-7.31%) Land $110,039 Building $793,585 |
| 2025 | $4,693.00 | $64,128 Land $7,683 Building $56,445 | $974,881 Land $107,838 Building $867,043 |
| 2023 | $83,613 Land $12,500 Building $71,113 | $880,135 Land $131,577 Building $748,558 | |
| 2022 | $6,094.00 |
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 4521 E 21st St in Zone X, an area of minimal flood risk.
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 Policies | 4 in force |
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.
Wildfire risk around 4521 E 21st St is low, with a 0.06% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 62% of the US · lower than 85% of Wyoming |
|---|---|
| Wildfire Likelihood | 0.06% 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 251 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 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: CenturyLink, Mountain West Technologies.
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