3801 E 21st St, Casper, WY 82609 Property Records

Natrona County property record for 3801 E 21st St, Casper, WY 82609 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,682 sqft · built 1979
Lot Size	0.23 acres (10,039 sqft)
Owner	Individual Name on File
Tax Bill	$1,459 (2025)
Flood Zone	Zone X (minimal risk)
APN	`3379-13-21-6-00400`

Property Details

APN / Parcel Number

Primary APN	`3379-13-21-6-00400`
Alternative APNs	`07394008000100` `R0020811`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	2,682 sqft Living Area
Basement Area	728 sqft
Finished Basement	546 sqft
Unfinished Basement	728 sqft
Interior Walls	Wallboard/Drywall
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1979
Effective Year Built	Effective 1979
Exterior Material	Wood
Construction Type	Frame
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	10,039 sqft (0.23 acres)
Garage Type	Attached
Garage Area	552 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Pool Type	Spa / Hot Tub (No Pool)
Porch	Slab
Deck Area	288 sqft
Wet Bar	Wet Bar

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air

Location & Zoning

Account Number	R0020811
Street Address	3801 E 21ST ST
City	CASPER
State	WY
Zip	82609-3633
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	PRATT #3 BLK 8 LOT 1
Legal Range	79W
Legal Township	33N
Legal Section	13
Legal Subdivision	PRATT #3
Legal Block	8
Legal Lot Number	1
Jurisdiction	NATRONA WY
Township / Civil Division	CASPER
Census Block Group	2
Census Block	2012
Census Tract	501

Owner

Source: Natrona County records · APN 3379-13-21-6-00400

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	Individual Name on File
Mailing Address	3801 E 21ST ST, CASPER, WY 82609-3633
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Et Ux (and Wife)

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Record Updated	Sep 20, 2026

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		$20,019 (+2.78%) Land $3,243 Building $16,776	$435,920 (+6.29%) Land $68,284 Building $367,636
2025	$1,459.00 (-45.11%)	$19,478 (-46.6%) Land $3,347 Building $16,131	$410,130 (+6.82%) Land $70,528 Building $339,602
2023		$36,476 Land $5,713 Building $30,763	$383,953 Land $60,134 Building $323,819
2022	$2,658.00

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 560250005012, 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
Nearby Flood Claims	1 (2017)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Apr 2017, other causes

Wildfire

Wildfire Risk	High above 73% of the US · above 73% of Wyoming
Wildfire Likelihood	About 1 in 405 per year
Exposure	Direct burnable vegetation at the parcel

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.