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

Natrona County property record for 815 E 21st St, Casper, WY 82601

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 936 sqft · built 1955
Lot Size0.156 acres (6,800 sqft)
OwnerIndividual Name on Record
Last Sale$265,667 (Feb 2025)
Tax Bill$1,405 (2026)
Flood ZoneZone X (minimal risk)
APN3379-15-30-5-01500

Property Details

APN / Parcel Number

Primary APN3379-15-30-5-01500
Alternative APNs
  • 02590002000100
  • R0023244

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area936 sqft Living Area
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1955
Effective Year BuiltEffective 2010
Architectural StyleRanch
Exterior MaterialWood
Construction TypeFrame
Roof TypeGable
Roof MaterialComposition Shingle
Lot Area6,800 sqft (0.156 acres)
Garage TypeAttached
Garage Area297 sqft
Parking Spaces1 Parking Space
PorchSlab
Deck AreaDeck Area

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air

Location & Zoning

Account NumberR0023244
Street Address815 E 21ST ST
CityCASPER
StateWY
Zip82601-4726
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionCLAREMONT BLK 2 LOT 1
Legal Range79W
Legal Township33N
Legal Section15
Legal SubdivisionCLAREMONT
Legal Block2
Legal Lot Number1
JurisdictionNATRONA WY
Township / Civil DivisionCASPER
Census Block Group1
Census Block1003
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 RecordIndividual Name on Record
Mailing Address815 E 21ST ST, CASPER, WY 82601-4726
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleFeb 13, 2025 · Amount on Record
Deed SaleFeb 13, 2025 · Amount on Record
Prior SaleMay 13, 2013
Deed Document Number20251167329
Prior Transfer DateOct 3, 2011
Prior Transfer Doc0000916111
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$1,405.00 (-0.07%)$19,288 (+77.15%) Land $3,798 Building $15,490$203,034 (+25.36%) Land $39,984 Building $163,050
2025$1,406.00 (+38.25%)$10,888 (-22.01%) Land $2,711 Building $8,177$161,967 (+10.21%) Land $38,917 Building $123,050
2023$13,961 Land $3,385 Building $10,576$146,962 Land $35,632 Building $111,330
2022$1,017.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective January 2, 2020 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies1 in force

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.

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 366 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Bluepeak
Fiber
5,000 / 5,000
Spectrum
Cable
1,000 / 1,000
Mountain West Technologies
Fixed Wireless · Fiber in parts of the area
125 / 25
Visionary Broadband
Fixed Wireless · Fiber in parts of the area
100 / 20

May also be available: AT&T, Verizon.

Nearby Properties on E 21st St

Nearby Streets

Search Property Records by Address or Parcel Number