Natrona County property record for 503 E 3rd St, Casper, WY 82601 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bathrooms | 1 Baths |
| Architecture Style | Ranch |
| Year Built | Built 1956 |
| Square Footage | 1,290 sqft Living Area |
| Lot Size | 11,200 sqft (0.257 acres) |
| Garage | Attached, 338 sqft |
| Tax Bill | $644.00 (2025) |
| Primary APN | 3379-07-31-0-00300 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1 Baths |
|---|---|
| Total Rooms | 6 Rooms |
| Building Area | 1,290 sqft Living Area |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | Ranch Style |
| Exterior Material | Aluminum/Vinyl Exterior |
| Construction Type | Frame Construction |
| Roof Construction | Gable/Hip Roof Construction |
| Roof Material | Composition Shingle Roof |
| Lot Area | 11,200 sqft (0.257 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 338 sqft Garage |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0012812 |
|---|---|
| Street Address | 503 THIRD ST |
| City | MILLS |
| State | WY |
| Zip | 82644-5238 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | MILLS BLK 20 LOT 6-7 |
| Legal Range | 79W |
| Legal Township | 33N |
| Legal Section | 07 |
| Legal Subdivision | MILLS |
| Legal Block | 20 |
| Legal Lot Number | 6,7 |
| Jurisdiction | NATRONA WY |
| Minor Civil Division | CASPER |
| Census Blockgroup | 1 |
| Census Block | 1106 |
| Census Tract | 1100 |
Source: Natrona County records · APN 3379-07-31-0-00300
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 | 503 E 3RD ST, CASPER, WY 82601-2801 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | May 09, 2014 |
| Transfer Doc | 0000971097 |
| Record Refreshed | 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 | Mills Town |
| 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 | $8,837 (+0.96%) Land $3,202 Building $5,635 | $130,951 (+4.32%) Land $51,864 Building $79,087 | |
| 2025 | $644.00 (-23.88%) | $8,753 (-24.66%) Land $3,079 Building $5,674 | $125,527 (+2.65%) Land $43,216 Building $82,311 |
| 2023 | $11,618 Land $4,522 Building $7,096 | $122,291 Land $47,600 Building $74,691 | |
| 2022 | $846.00 |
Source: FEMA National Flood Hazard Layer, Natrona County (56025C), updated January 2, 2020 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Moderate |
| 500-Year Floodplain | Yes |
| Special Flood Hazard Area | No |
| 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; lenders make the official flood determination.
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