Natrona County property record for 4430 E 21st St, Casper, WY 82609
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,905 sqft · built 2007 |
| Lot Size | 0.168 acres (7,299 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $2,558 (2025) |
| Deeds & Mortgages | Jun 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 3379-13-12-7-02400 |
| Primary APN | 3379-13-12-7-02400 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,905 sqft Living Area |
| Basement Area | 949 sqft |
| Finished Basement | 949 sqft |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2007 |
|---|---|
| Effective Year Built | Effective 2007 |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 7,299 sqft (0.168 acres) |
| Garage Type | Attached |
| Garage Area | 576 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air |
| Account Number | R0020629 |
|---|---|
| Street Address | 4430 E 21ST ST |
| City | CASPER |
| State | WY |
| Zip | 82609-3876 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | CENTENNIAL HILLS VLG BLK 6 LOT 24 |
| Legal Range | 79W |
| Legal Township | 33N |
| Legal Section | 13 |
| Legal Subdivision | CENTENNIAL HILLS VLG |
| Legal Block | 6 |
| Legal Lot Number | 24 |
| Jurisdiction | NATRONA WY |
| Township / Civil Division | CASPER SOUTH |
| Census Block Group | 3 |
| Census Block | 3046 |
| Census Tract | 1602 |
Source: Natrona County records · APN 3379-13-12-7-02400
Assessment roll updated 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 | Individual Name on File |
|---|---|
| Mailing Address | 4430 E 21ST ST, CASPER, WY 82609-3876 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Et Ux (and Wife) |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NATRONA WY |
| Property Address | 4430 E 21ST ST, CASPER, WY 82609-3876 |
| Transaction Type | Mortgage |
| Record Updated | Jun 17, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0001104823 |
|---|---|
| Date | Jun 01, 2021 |
| Instrument | 1104823 |
| Name | FIRST INTERSTATE BANK |
|---|---|
| Type | Bank |
| Address | CASPER, WY 82602 |
| Type | VA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 01, 2051 |
Source: Natrona County records · Assessment roll updated 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 | $35,090 (+36.62%) Land $5,035 Building $30,055 | $401,600 (-1.96%) Land $53,004 Building $348,596 | |
| 2025 | $2,558.00 (-16.32%) | $25,685 (-38.77%) Land $4,011 Building $21,674 | $409,626 (-7.23%) Land $56,295 Building $353,331 |
| 2023 | $41,945 Land $6,712 Building $35,233 | $441,532 Land $70,654 Building $370,878 | |
| 2022 | $3,057.00 |
Source: FEMA National Flood Hazard Layer as of January 2, 2020 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · 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 | Low lower than 62% of the US · lower than 85% of Wyoming |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | None beyond ember reach |
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 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 / 1,000 |
| Mountain West Technologies Fixed Wireless · Fiber in parts of the area | 300 / 50 |
| Visionary Communications Fixed Wireless · Fiber in parts of the area | 100 / 20 |
May also be available: Verizon.
Based on FCC filings for 305 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System 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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