839 S Walnut St, Casper, WY 82601 Property Records

Natrona County property record for 839 S Walnut St, Casper, WY 82601

Property Summary

Property Type	Medical Building
Details	1,100 sqft · built 1965
Lot Size	0.08 acres (3,500 sqft)
Owner	Company Name on File
Last Sale	$303,000 (Aug 2026)
Tax Bill	$1,272 (2026)
Deeds & Mortgages	Aug 2026 Sale Aug 2026 Sale & Mortgage + 4 more
Flood Zone	Zone X (minimal risk)
APN	`3379-09-23-4-00800`

Property Details

APN / Parcel Number

Primary APN	`3379-09-23-4-00800`
Alternative APNs	`02276128001200` `R0014455`

Interior

Total Rooms	1 Room
Stories	1 Story
Building Area	1,100 sqft Total Area

Exterior

Year Built	Built 1965
Effective Year Built	Effective 2007
Fire Resistance	Masonry Walls, Wood Interior
Roof Type	Flat
Lot Area	3,500 sqft (0.08 acres)
Canopy	200 sqft

Utilities, Heating & Cooling

Cooling System	Package A/C
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0014455
Street Address	839 S WALNUT ST
City	CASPER
State	WY
Zip	82601-2338
Property Category	Commercial
Property Type	Commercial > Office > Medical Building
Legal Description	BUTLERS WEST BLK 128 LOT 12 COMMERCIAL
Legal Range	79W
Legal Township	33N
Legal Section	09
Legal Subdivision	BUTLERS WEST
Legal Block	128
Legal Lot Number	12
Jurisdiction	NATRONA WY
Township / Civil Division	CASPER
Census Block Group	1
Census Block	1005
Census Tract	700

Owner

839 S Walnut St, a commercial property, is owned by a company that bought it in August 2026.

Source: Natrona County records, as of September 29, 2026

Owner of Record	Company Name on File
Mailing Address	839 S WALNUT ST, CASPER, WY 82601-2338
Owner Type	Company

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Aug 4, 2026	Warranty Deed, Transfer AMERICAN TITLE COMPANY, AMERICAN TITLE AGENCY
Aug 4, 2026	Warranty Deed, Transfer · Conventional Mortgage FIRST INTERSTATE BANK
Aug 4, 2026	Warranty Deed, Transfer · Conventional Mortgage FIRST INTERSTATE BANK
Aug 27, 2020	Warranty Deed, Transfer NOT AVAILABLE
Aug 27, 2020	Warranty Deed, Transfer · Commercial Mortgage FIRST INTERSTATE BANK
Mar 20, 2020	Quit Claim Deed, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 4, 2026 · Amount on File
Deed Sale	Aug 4, 2026 · Amount on File
Prior Sale	Aug 4, 2026
Deed Document Number	20261191348
Prior Transfer Date	Mar 20, 2020
Prior Transfer Doc	0001078915
Record Updated	Oct 29, 2026

August 2026: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	NATRONA WY
Recording Date	Aug 4, 2026
Property Address	839 S WALNUT ST, CASPER, WY 82601-2338
Document Number	0001191347
Instrument Date	Aug 3, 2026
Instrument	20261191347
Transaction Type	Transfer
Record Updated	Aug 11, 2026
Title Company	AMERICAN TITLE COMPANY, AMERICAN TITLE AGENCY

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	839 S WALNUT ST, CASPER, WY 82601-2338

August 2026: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	NATRONA WY
Recording Date	Aug 4, 2026
Property Address	839 S WALNUT ST, CASPER, WY 82601-2338
Document Number	0001191348
Instrument Date	Aug 3, 2026
Instrument	20261191348
Transaction Type	Transfer
Record Updated	Aug 11, 2026
Title Company	AMERICAN TITLE COMPANY, AMERICAN TITLE AGENCY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Estimated Sale Price
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	839 S WALNUT ST, CASPER, WY 82601-2338

Mortgage

Document Number	0001191349,
Date	Aug 4, 2026
Instrument	20261191349

Lender

Name	FIRST INTERSTATE BANK

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	60 Months
Due	Jul 30, 2031

Interest

Rate	6.47%
Max Rate	-1%

August 2026: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	NATRONA WY
Recording Date	Aug 4, 2026
Property Address	839 S WALNUT ST, CASPER, WY 82601-2338
Document Number	0001191348
Instrument Date	Aug 3, 2026
Instrument	20261191348
Transaction Type	Transfer
Record Updated	Oct 23, 2026
Title Company	AMERICAN TITLE COMPANY, AMERICAN TITLE AGENCY

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	839 S WALNUT ST, CASPER, WY 82601-2338

Mortgage

Document Number	0001191349,
Date	Aug 4, 2026
Instrument	20261191349

Lender

Name	FIRST INTERSTATE BANK

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	60 Months
Due	Jul 30, 2031

Interest

Max Rate	-1%

August 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	NATRONA WY
Recording Date	Aug 27, 2020
Property Address	839 S WALNUT ST, CASPER, WY 82601-2338
Document Number	0001087753
Instrument Date	Aug 25, 2020
Instrument	1087753
Transaction Type	Transfer
Record Updated	Sep 29, 2020
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	2704 E 8TH ST CASPER WY 826092526, CASPER, WY 82609-2526

August 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	NATRONA WY
Recording Date	Aug 27, 2020
Property Address	839 S WALNUT ST, CASPER, WY 82601-2338
Document Number	0001087754
Map Reference	MB 12 PG 238
Instrument Date	Aug 22, 2020
Instrument	1087754
Transaction Type	Transfer
Record Updated	Jul 11, 2022
Title Company	AMERICAN TITLE AGENCY

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	839 S WALNUT ST, CASPER, WY 82601-2338

Mortgage

Document Number	0001087755
Date	Aug 27, 2020
Instrument	1087755

Lender

Name	FIRST INTERSTATE BANK
Type	Bank

Agreement

Type	Commercial Mortgage
Amount	Amount on Record
Term	60 Months
Due	Aug 26, 2025

March 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	NATRONA WY
Recording Date	Mar 20, 2020
Property Address	839 S WALNUT ST, CASPER, WY 82601-2338
Document Number	0001078915
Instrument Date	Mar 20, 2020
Instrument	1078915
Transaction Type	Transfer
Record Updated	Jun 25, 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	Company
Address	839 S WALNUT ST CASPER WY 826012338, CASPER, WY 82601-2338

Tax Assessment & Valuation

The 2026 property tax bill for 839 S Walnut St was $1,272.

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$1,272.00	$17,456 (-11.97%) Land $3,892 Building $13,564	$183,748 (-11.97%) Land $40,965 Building $142,783
2025	$1,272.00	$19,830 Land $2,817 Building $17,013	$208,736 Land $29,651 Building $179,085
2023		$20,539 Land $5,064 Building $15,475	$216,199 Land $53,303 Building $162,896
2022	$1,497.00

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

FEMA maps place 839 S Walnut St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1980.

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 minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	1 (1980)
Most Recent Claim	Apr 1980 · rainfall accumulation

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

The area around 839 S Walnut St has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not 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 System	CITY OF CASPER serves 59,000 people · EPA ID WY5601415
Water Source	Purchased surface water from CENTRAL WY REGIONAL WATER SYSTEM JPB
Last State Inspection	Jun 2022
Lead	1 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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

Provider	Max Down / Up (Mbps)
Bluepeak Fiber	5,000 / 5,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Mountain West Technologies Fixed Wireless	300 / 50
Verizon Fixed Wireless	300 / 20
Visionary Broadband Fixed Wireless	100 / 20

May also be available: AT&T.

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