4820 E 21st St, Casper, WY 82609 Property Records

Natrona County property record for 4820 E 21st St, Casper, WY 82609 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	3 bd · 3.5 ba · 2,827 sqft · built 1992
Lot Size	0.255 acres (11,100 sqft)
Owner	Company Name on File
Tax Bill	$4,647 (2025)
Deeds & Mortgages	Feb 2020 Transfer
Flood Zone	Zone X (minimal risk)
APN	`3378-18-21-9-00800`

Property Details

APN / Parcel Number

Primary APN	`3378-18-21-9-00800`
Alternative APNs	`03414014000800` `R0008322`

Interior

Bedrooms	3 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	2,827 sqft Living Area
Basement Area	1,544 sqft
Finished Basement	1,544 sqft
Interior Walls	Wallboard/Drywall
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1992
Effective Year Built	Effective 2013
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Hip
Roof Material	Composition Shingle
Lot Area	11,100 sqft (0.255 acres)
Garage Type	Mixed
Garage Area	648 sqft
Parking Spaces	2 Parking Spaces
Porch	Slab
Deck Area	850 sqft
Wet Bar	Wet Bar

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0008322
Street Address	4820 E 21ST ST
City	CASPER
State	WY
Zip	82609-3823
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	EASTGATE III BLK 14 LOT 8
Legal Range	78W
Legal Township	33N
Legal Section	18
Legal Subdivision	EASTGATE III
Legal Block	14
Legal Lot Number	8
Jurisdiction	NATRONA WY
Township / Civil Division	CASPER SOUTH
Census Block Group	3
Census Block	3021
Census Tract	1602

Owner

Source: Natrona County records · APN 3378-18-21-9-00800

Assessment roll updated July 7, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	4820 E 21ST ST, CASPER, WY 82609-3823
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Transfer Date	Feb 13, 2020
Transfer Doc	0001077641
Record Updated	Sep 20, 2026

February 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	NATRONA WY
Recording Date	Feb 21, 2020
Property Address	4820 E 21ST ST, CASPER, WY 82609-3823
Document Number	0001077641
Instrument Date	Feb 13, 2020
Instrument	1077641
Transaction Type	Transfer
Record Updated	Mar 06, 2020
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	4820 E 21ST ST CASPER WY 826093823, CASPER, WY 82609-3823

Tax Assessment & Valuation

Source: Natrona County records · Assessment roll updated July 7, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	Wyoming
County	Natrona County
Municipality	Casper City
Unified School District	Natrona County School District 1 (KG - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$63,756 (+37.68%) Land $7,026 Building $56,730	$707,312 (+8.83%) Land $73,960 Building $633,352
2025	$4,647.00 (+4.92%)	$46,306 (-23.81%) Land $5,395 Building $40,911	$649,913 (+1.59%) Land $75,722 Building $574,191
2023		$60,775 Land $7,582 Building $53,193	$639,732 Land $79,809 Building $559,923
2022	$4,429.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Natrona County (56025C), updated January 2, 2020 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 560250016023, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Flood Insurance Cost	Premium on Record median of 4 individual NFIP policies nearby
Nearby Flood Policies	4 in force

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

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.