1131 E 21st St, Casper, WY 82601 Property Records

Natrona County property record for 1131 E 21st St, Casper, WY 82601

Property Summary

Property TypeSingle Family Home
Details2 ba · 922 sqft · built 1979
Lot Size0.174 acres (7,600 sqft)
OwnerCompany Name on Record
Tax Bill$805 (2026)
Flood ZoneZone X (minimal risk)
APN3379-15-30-2-00800

Property Details

APN / Parcel Number

Primary APN3379-15-30-2-00800
Alternative APNs
  • 01082000010800
  • R0023180

Interior

Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area922 sqft Living Area
Basement Area792 sqft
Finished Basement792 sqft
Interior WallsWallboard/Drywall
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1979
Effective Year BuiltEffective 1979
Architectural StyleBi-Level
Exterior MaterialWood
Construction TypeFrame
Roof TypeGable
Roof MaterialComposition Shingle
Lot Area7,600 sqft (0.174 acres)
Garage TypeAttached
Garage Area440 sqft
Parking Spaces2 Parking Spaces
Deck Area32 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0023180
Street Address1131 E 21ST ST
CityCASPER
StateWY
Zip82601-4823
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionALTA VISTA (RPLT) LOT 108
Legal Range79W
Legal Township33N
Legal Section15
Legal SubdivisionALTA VISTA (RPLT)
Legal Lot Number108
JurisdictionNATRONA WY
Township / Civil DivisionCASPER
Census Block Group2
Census Block2022
Census Tract601

Owner

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 RecordCompany Name on Record
Mailing Address1131 E 21ST ST, CASPER, WY 82601-4823
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

Source: Natrona County assessment roll, as of July 7, 2026

Property Jurisdictions

TypeName
StateWyoming
CountyNatrona County
MunicipalityCasper City
Unified School DistrictNatrona County School District 1 (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$805.00$11,047 (-30.72%) Land $2,069 Building $8,978$236,856 (+0.18%) Land $43,560 Building $193,296
2025$805.00 (-45.01%)$15,945 (-20.63%) Land $2,996 Building $12,949$236,428 (+11.81%) Land $42,050 Building $194,378
2023$20,089 Land $3,928 Building $16,161$211,463 Land $41,344 Building $170,119
2022$1,464.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective January 2, 2020

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCITY OF CASPER
serves 59,000 people · EPA ID WY5601415
Water SourcePurchased surface water from CENTRAL WY REGIONAL WATER SYSTEM JPB
Last State InspectionJun 2022
Lead1 ppb (2024–2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 767 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Bluepeak
Fiber
5,000 / 5,000
Visionary Broadband
Fiber · Fixed Wireless
5,000 / 5,000
Spectrum
Cable
1,000 / 1,000
Mountain West Technologies
Fixed Wireless
125 / 25

May also be available: AT&T, Verizon.

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