12 N 3rd Ave, Mills (Casper), WY 82604 Property Records

Natrona County property record for 12 N 3rd Ave, Mills, WY 82604

Property Summary

Property TypeSingle Family Home
Details1 bd · 1.5 ba · 960 sqft · built 1954
Lot Size0.197 acres (8,600 sqft)
Owner2 Individual Names on File
Last Sale$180,000 (Apr 2026)
Tax Bill$878 (2026)
Deeds & MortgagesApr 2026 Mortgage
Jun 2018 Transfer
Flood ZoneZone X (minimal risk)
APN3380-01-32-5-01400

Property Details

APN / Parcel Number

Primary APN3380-01-32-5-01400
Alternative APNs
  • 06681007001310
  • R0030795

Interior

Bedrooms1 Bed
Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms4 Rooms
Stories1 Story
Building Area960 sqft Living Area
Basement Area960 sqft
Unfinished Basement960 sqft
Interior WallsWallboard/Drywall
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1954
Effective Year BuiltEffective 1954
Architectural StyleRanch
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeGable
Roof MaterialComposition Shingle
Lot Area8,600 sqft (0.197 acres)
Garage TypeDetached
Garage Area336 sqft
Parking Spaces1 Parking Space
PorchSlab
Storage Building112 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0030795
Street Address12 N 3RD AVE
CityMILLS
StateWY
Zip82604-2460
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionMOUNTAIN VIEW BLK 7 LOT 13-14 E 86
Legal Range80W
Legal Township33N
Legal Section01
Legal SubdivisionMOUNTAIN VIEW
Legal Block7
Legal Lot Number13,14E
JurisdictionNATRONA WY
Township / Civil DivisionCASPER
Census Block Group2
Census Block2037
Census Tract1200

Owner

12 N 3rd Ave is owned and occupied by two individuals who bought it in April 2026.

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

Owner of Record2 Individual Names on File
Mailing Address12 N 3RD AVE, MILLS, WY 82604-2460
OccupancyOwner Occupied
Owner TypeIndividual
VestingTenants by the Entirety

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

DateDocument
Apr 24, 2026Warranty Deed, Transfer · Conventional Mortgage
HILLTOP NATIONAL BANK
Jun 15, 2018Affidavit of Death, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleApr 24, 2026 · Amount on File
Deed SaleApr 24, 2026 · Amount on File
Deed Document Number20261186669
Record UpdatedOct 29, 2026

April 2026: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionNATRONA WY
Recording DateApr 24, 2026
Property Address12 N 3RD AVE, MILLS, WY 82604-2460
Document Number0001186669
Instrument DateApr 24, 2026
Instrument20261186669
Transaction TypeTransfer
Record UpdatedOct 23, 2026
Title CompanyAMERICAN TITLE COMPANY, AMERICAN TITLE AGENCY

Transaction

Tax$0.00
Additional
  • Arm's Length
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants by the Entirety
Address12 N 3RD AVE, MILLS, WY 82604-2460

Mortgage

Document Number0001186669,
DateApr 24, 2026
Instrument20261186669
Lender
NameHILLTOP NATIONAL BANK
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term180 Months
DueMay 1, 2041
Interest
Rate TypeFixed Rate
Initial TypeFixed Rate
Max Rate-1%

June 2018: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionNATRONA WY
Recording DateJun 15, 2018
Property Address12 N 3RD AVE, MILLS, WY 82604-2460
Document Number0001048750
Instrument DateJun 15, 2018
Instrument1048750
Transaction TypeTransfer
Record UpdatedJul 5, 2018

Transaction

Tax$0.00
Additional
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address12 N 3RD AVE MILLS WY 826042460, MILLS, WY 82604-2460

Tax Assessment & Valuation

The 2026 property tax bill for 12 N 3rd Ave was $878.

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

Property Jurisdictions

TypeName
StateWyoming
CountyNatrona County
MunicipalityMills Town
Unified School DistrictNatrona County School District 1 (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$878.00$12,053 (+32.67%) Land $3,592 Building $8,461$147,252 (+7.78%) Land $43,661 Building $103,591
2025$878.00 (+34.66%)$9,085 Land $2,590 Building $6,495$136,620 Land $36,352 Building $100,268
2024$652.00
2023$11,141 Land $3,293 Building $7,848$117,267 Land $34,658 Building $82,609
2022$812.00

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 12 N 3rd Ave in Zone X, an area of minimal flood risk.

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
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies1 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

Wildfire risk around 12 N 3rd Ave is low, with a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 80% of the US · lower than 94% of Wyoming
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond 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 SystemCITY OF MILLS
serves 4,050 people · EPA ID WY5600036
Water SourceGroundwater influenced by surface water
Last State InspectionAug 2022
LeadUnder 1 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityTotal trihalomethanes
resolved · Jan 2025
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 399 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable · Fiber in parts of the area
1,000 / 1,000
Mountain West Technologies
Fixed Wireless · Fiber in parts of the area
300 / 50
Visionary Broadband
Fixed Wireless
100 / 20
AT&T
Fixed Wireless
100 / 20

May also be available: Verizon.

Nearby Properties on N 3rd Ave

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