4340 Riverside St, Casper, WY 82604 Property Records

Natrona County property record for 4340 Riverside St, Casper, WY 82604

Property Summary

Property Type	Single Family Home
Details	1 ba · 1,518 sqft · built 1959
Lot Size	1.21 acres (52,708 sqft)
Owner	Company Name on Record
Tax Bill	$1,280 (2026)
Flood Zone	Zone X (moderate risk)
APN	`3380-13-40-1-01800`

Property Details

APN / Parcel Number

Primary APN	`3380-13-40-1-01800`
Alternative APNs	`03121000002050` `R0032319`

Interior

Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,518 sqft Living Area
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1959
Effective Year Built	Effective 1964
Architectural Style	Ranch
Exterior Material	Wood
Construction Type	Frame
Roof Type	Flat
Roof Material	Built-Up Asphalt
Lot Area	52,708 sqft (1.21 acres)
Porch	Slab
Shed	1 Shed
Shed Area	732 sqft

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0032319
Street Address	4340 RIVERSIDE ST
City	CASPER
State	WY
Zip	82604-2770
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	DEMPSEY LOT 20 SW CORNER
Legal Range	80W
Legal Township	33N
Legal Section	13
Legal Subdivision	DEMPSEY
Legal Lot Number	20SWCOR
Jurisdiction	NATRONA WY
Township / Civil Division	CASPER
Census Block Group	2
Census Block	2035
Census Tract	1100

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 Record	Company Name on Record
Mailing Address	4340 RIVERSIDE ST, CASPER, WY 82604-2770
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Aug 30, 2012
Transfer Doc	0000935034
Record Updated	Oct 29, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$1,280.00 (-0.08%)	$18,872 (+31.71%) Land $3,379 Building $15,493	$213,723 (-11.86%) Land $35,573 Building $178,150
2025	$1,281.00 (+33.86%)	$14,328 (-21.27%) Land $3,046 Building $11,282	$242,469 (+26.57%) Land $55,834 Building $186,635
2024	$957.00 (-22.51%)
2023		$18,199 Land $4,022 Building $14,177	$191,564 Land $42,338 Building $149,226
2022	$1,235.00

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 Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	5 in force
Nearby Flood Claims	2 (1994–2011)
Claims Outside the SFHA	1 of 2
Most Recent Claim	Jun 2011 · Severe Storms, Flooding, And Landslides

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 Risk	Low lower than 62% of the US · lower than 85% of Wyoming
Wildfire Likelihood	0.05% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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

Internet Providers

Source: FCC Broadband Data Collection, based on 46 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 1,000
Mountain West Technologies Fixed Wireless	300 / 50
Verizon Fixed Wireless	300 / 20
Visionary Broadband Fixed Wireless	100 / 20