Natrona County property record for 4263 Chalmers St, Casper, WY 82604
| Property Type | Residential Vacant Land |
|---|---|
| Details | 720 sqft · built 1977 |
| Lot Size | 0.687 acres (29,905 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $625 (2026) |
| Deeds & Mortgages | Apr 2020 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 3380-01-41-0-00100 |
| Primary APN | 3380-01-41-0-00100 |
|---|---|
| Alternative APNs |
|
| Building Area | 720 sqft Living Area |
|---|
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1977 |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Lot Area | 29,905 sqft (0.687 acres) |
| Garage Type | Detached |
| Garage Area | 720 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | None |
|---|
| Account Number | R0031011 |
|---|---|
| Street Address | 4263 CHALMERS ST |
| City | CASPER |
| State | WY |
| Zip | 82604-2352 |
| Property Category | Residential |
| Property Type | Vacant Land > Residential |
| Legal Description | MOUNTAIN VIEW BLK 21 LOT 9-13 INCL |
| Legal Range | 80W |
| Legal Township | 33N |
| Legal Section | 01 |
| Legal Subdivision | MOUNTAIN VIEW |
| Legal Block | 21 |
| Legal Lot Number | 9-13 |
| Jurisdiction | NATRONA WY |
| Township / Civil Division | CASPER |
| Census Block Group | 1 |
| Census Block | 1081 |
| Census Tract | 1200 |
Source: Natrona County records, as of September 29, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 3530 ASPEN LN, CASPER, WY 82604-4571 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | NATRONA WY |
| Recording Date | Apr 22, 2020 |
| Property Address | 4263 CHALMERS ST, CASPER, WY 82604-2352 |
| Document Number | 0000100181 |
| Instrument Date | Apr 22, 2020 |
| Instrument | 100181 |
| Transaction Type | Transfer |
| Record Updated | Jul 10, 2020 |
| Title Company | OTHER |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 3530 ASPEN LN CASPER WY 826044571, CASPER, WY 82604-4571 |
Source: Natrona County assessment roll, as of July 7, 2026
| Type | Name |
|---|---|
| State | Wyoming |
| County | Natrona County |
| Municipality | Mills Town |
| Unified School District | Natrona County School District 1 (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $625.00 | $8,582 (-17.04%) Land $7,009 Building $1,573 | $90,335 (-17.05%) Land $73,779 Building $16,556 |
| 2025 | $625.00 (-38.48%) | $10,345 (-25.82%) Land $8,744 Building $1,601 | $108,901 (-25.81%) Land $92,047 Building $16,854 |
| 2023 | $13,945 Land $11,449 Building $2,496 | $146,788 Land $120,517 Building $26,271 | |
| 2022 | $1,016.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective January 2, 2020
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 66% of the US · lower than 88% of Wyoming |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | None beyond ember reach |
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 MILLS serves 4,050 people · EPA ID WY5600036 |
|---|---|
| Water Source | Groundwater influenced by surface water |
| Last State Inspection | Aug 2022 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | Total trihalomethanes resolved · Jan 2025 |
|---|---|
| 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.
Source: FCC Broadband Data Collection, based on 240 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Mountain West Technologies Fixed Wireless · Fiber in parts of the area | 125 / 25 |
| Visionary Broadband Fixed Wireless | 100 / 20 |
May also be available: CenturyLink, Verizon.
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