Natrona County property record for 4450 Chalmers St, Casper, WY 82604
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 968 sqft · built 1924 |
| Lot Size | 0.31 acres (13,500 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $840 (2026) |
| Deeds & Mortgages | Feb 2023 Transfer May 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 3380-01-40-8-02700 |
| Primary APN | 3380-01-40-8-02700 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 968 sqft Living Area |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1924 |
|---|---|
| Effective Year Built | Effective 1954 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 13,500 sqft (0.31 acres) |
| Garage Type | Attached |
| Garage Area | 704 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
| Storage Building | 100 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0030979 |
|---|---|
| Street Address | 4450 CHALMERS ST |
| City | CASPER |
| State | WY |
| Zip | 82604-2349 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MOUNTAIN VIEW BLK 17 LOT 28 & 29 |
| Legal Range | 80W |
| Legal Township | 33N |
| Legal Section | 01 |
| Legal Subdivision | MOUNTAIN VIEW |
| Legal Block | 17 |
| Legal Lot Number | 28,29 |
| Jurisdiction | NATRONA WY |
| Township / Civil Division | CASPER |
| Census Block Group | 1 |
| Census Block | 1092 |
| Census Tract | 1200 |
Source: Natrona County records, as of September 29, 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 Record |
|---|---|
| Mailing Address | 4450 CHALMERS ST, CASPER, WY 82604-2349 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Et Al (and Others) |
| Date | Document |
|---|---|
| Feb 9, 2023 | Intrafamily Transfer, Transfer |
| May 24, 2018 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | NATRONA WY |
| Recording Date | Feb 9, 2023 |
| Property Address | 4450 CHALMERS ST, MILLS, WY 82604-2349 |
| Document Number | 0001136366 |
| Instrument Date | Feb 9, 2023 |
| Instrument | 1136366 |
| Transaction Type | Transfer |
| Record Updated | Mar 14, 2023 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | NATRONA WY |
| Recording Date | May 24, 2018 |
| Property Address | 4450 CHALMERS ST, MILLS, WY 82604-2349 |
| Document Number | 0001047832 |
| Instrument Date | May 24, 2018 |
| Instrument | 1047832 |
| Transaction Type | Transfer |
| Record Updated | Jun 8, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | PO BOX 4456 CASPER WY 826040456, CASPER, WY 82604-0456 |
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 | $840.00 | $11,531 (+4%) Land $3,619 Building $7,912 | $191,042 (+8.48%) Land $58,578 Building $132,464 |
| 2025 | $840.00 (+5.53%) | $11,087 (-25.13%) Land $3,480 Building $7,607 | $176,116 (+12.98%) Land $48,838 Building $127,278 |
| 2024 | $796.00 (-26.23%) | ||
| 2023 | $14,808 Land $5,168 Building $9,640 | $155,882 Land $54,405 Building $101,477 | |
| 2022 | $1,079.00 |
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 80% of the US · lower than 94% of Wyoming |
|---|---|
| Wildfire Likelihood | 0.01% 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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