Natrona County property record for 643 E 21st St, Casper, WY 82601 · Last verified July 2026
| Property Type | Townhouse |
|---|---|
| Details | 2 bd · 1.5 ba · 1,022 sqft · built 1982 |
| Lot Size | 0.031 acres (1,354 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $678 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 3379-15-30-7-03400 |
| Primary APN | 3379-15-30-7-03400 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,022 sqft Living Area |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1982 |
|---|---|
| Effective Year Built | Effective 1982 |
| Architectural Style | Townhouse |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 1,354 sqft (0.031 acres) |
| Garage Type | Mixed |
| Garage Area | 264 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Slab |
| Heating System | Baseboard |
|---|---|
| Heating Fuel | Electric |
| Account Number | R0023294 |
|---|---|
| Street Address | 643 E 21ST ST |
| City | CASPER |
| State | WY |
| Zip | 82601-4765 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | LAMPLIGHTER LOT 34 |
| Legal Range | 79W |
| Legal Township | 33N |
| Legal Section | 15 |
| Legal Subdivision | LAMPLIGHTER |
| Legal Lot Number | 34 |
| Jurisdiction | NATRONA WY |
| Township / Civil Division | CASPER |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 601 |
Source: Natrona County records · APN 3379-15-30-7-03400
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 | 185 INDIAN PAINTBRUSH ST, CASPER, WY 82604-3835 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
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 | $9,311 (+38.66%) Land $749 Building $8,562 | $109,105 (+6.76%) Land $11,536 Building $97,569 | |
| 2025 | $678.00 (+12.44%) | $6,715 (-18.96%) Land $540 Building $6,175 | $102,193 (+17.17%) Land $12,653 Building $89,540 |
| 2023 | $8,286 Land $674 Building $7,612 | $87,221 Land $7,095 Building $80,126 | |
| 2022 | $603.00 |
Source: FEMA National Flood Hazard Layer, Natrona County (56025C), updated January 2, 2020 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 560250006011, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| 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, availability as of December 31, 2025 · Published October 2026 · based on 366 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Clarity Telecom | Fiber | 5,000 / 5,000 |
| Spectrum | Cable | 1,000 / 1,000 |
| Mountain West Technologies | Fixed Wireless (unlicensed) | 125 / 25 |
| Visionary Communications | Fixed Wireless | 100 / 20 |
May also be available at this address: AT&T, Verizon, Mountain West Technologies, Visionary Communications. Availability varies by address; speeds are provider-advertised maximums, not measured.
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