5511 E 21st St, Casper, WY 82609 Property Records

Natrona County property record for 5511 E 21st St, Casper, WY 82609

Property Summary

Property TypeSingle Family Home
Details5 bd · 3.5 ba · 2,975 sqft · built 1999
Lot Size0.359 acres (15,625 sqft)
Owner2 Company Names on Record
Tax Bill$6,015 (2026)
Deeds & MortgagesJan 2026 Sale
Jun 2024 Mortgage
Flood ZoneZone X (minimal risk)
APN3378-18-22-6-01100

Property Details

APN / Parcel Number

Primary APN3378-18-22-6-01100
Alternative APNs
  • 03562005001700
  • R0008423

Interior

Bedrooms5 Beds
Full Baths3.5 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Stories1 Story
Building Area2,975 sqft Living Area
Basement Area2,939 sqft
Finished Basement2,939 sqft
Unfinished Basement2,939 sqft
Interior WallsWallboard/Drywall
Fireplaces2 Fireplaces
FireplaceFireplace

Exterior

Year BuiltBuilt 1999
Effective Year BuiltEffective 1999
Architectural StyleRanch
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeGable/Hip
Roof MaterialComposition Shingle
Lot Area15,625 sqft (0.359 acres)
Garage TypeAttached
Garage Area1,258 sqft
Parking Spaces5 Parking Spaces
PorchSlab
Storage Building64 sqft
Wet BarWet Bar

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air

Location & Zoning

Account NumberR0008423
Street Address5511 E 21ST ST
CityCASPER
StateWY
Zip82609-4616
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionELKHORN VALLEY #4 BLK 5 LOT 17
Legal Range78W
Legal Township33N
Legal Section18
Legal SubdivisionELKHORN VALLEY #4
Legal Block5
Legal Lot Number17
JurisdictionNATRONA WY
Township / Civil DivisionCASPER SOUTH
Census Block Group3
Census Block3027
Census Tract1602

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 Record2 Company Names on Record
Mailing Address547 COUNTY ROAD 244, GANADO, TX 77962-8774
Owner TypeCompany
VestingTrust, Revocable Trust

Deeds, Mortgages & Sale History

DateDocument
Jan 5, 2026Warranty Deed, Transfer
FIRST AMERICAN TITLE INSURANCE COMPANY NC, FIRST AMERICAN TITLE INS CO
Jun 5, 2024Warranty Deed, Transfer · Conventional Mortgage
FIRST STATE BANK

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJan 5, 2026
Deed SaleJan 5, 2026
Prior SaleJun 5, 2024 · Amount on Record
Deed Document Number20261181774
Record UpdatedOct 29, 2026

January 2026: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionNATRONA WY
Recording DateJan 5, 2026
Property Address5511 E 21ST ST, CASPER, WY 82609-4616
Document Number0001181774
Map ReferenceDOC 557745
Instrument DateJan 2, 2026
Instrument1181774
Transaction TypeTransfer
Record UpdatedJun 30, 2026
Title CompanyFIRST AMERICAN TITLE INSURANCE COMPANY NC, FIRST AMERICAN TITLE INS CO

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address547 COUNTY ROAD 244, GANADO, TX 77962-8774

June 2024: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionNATRONA WY
Recording DateJun 5, 2024
Property Address5511 E 21ST ST, CASPER, WY 82609-4616
Document Number0001155545
Instrument DateJun 1, 2024
Instrument1155545
Transaction TypeTransfer
Record UpdatedJun 30, 2026
Title CompanyROCKY MOUNTAIN TITLE

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address5511 E 21ST ST, CASPER, WY 82609-4616

Mortgage

Document Number0001155546
DateJun 5, 2024
Instrument1155546
Lender
NameFIRST STATE BANK
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJul 1, 2054
Interest
Rate TypeAdjustable Rate
Rate8.12%
Type Change DateJul 1, 2031
Change FrequencyAnnually
Min Rate At Change3.12%
Max Rate At Change13.1%
Index1-Year CMT
Margin3
Max Rate13.1%

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$6,015.00 (-0.03%)$82,546 (+24.58%) Land $9,220 Building $73,326$868,901 (-6.57%) Land $97,052 Building $771,849
2025$6,017.00 (+26.46%)$66,259 (-5.9%) Land $6,871 Building $59,388$929,955 (+25.47%) Land $96,436 Building $833,519
2024$4,758.00 (-7.29%)
2023$70,410 Land $10,673 Building $59,737$741,151 Land $112,344 Building $628,807
2022$5,132.00

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies4 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 RiskHigh
above 70% of the US · above 67% of Wyoming
Wildfire Likelihood0.2% annual chance
ExposureDirect
burnable vegetation

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

ProviderMax Down / Up (Mbps)
Bluepeak
Fiber
5,000 / 5,000
Spectrum
Cable
1,000 / 35
Mountain West Technologies
Fixed Wireless
300 / 50

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