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431 Mammoth St, Thayer, MO 65791 Property Records

Oregon County property record for 431 Mammoth St, Thayer, MO 65791 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Details1 ba · 900 sqft · built 1990
Lot Size1.17 acres (50,965 sqft)
Owner2 Individual Names on File
Tax Bill$315 (2025)
Deeds & MortgagesMar 2017 Sale
Flood ZoneZone X (minimal risk)
APN23-9.0-32-1-002-0016.01000

Property Details

APN / Parcel Number

Primary APN23-9.0-32-1-002-0016.01000
Alternative APN
  • 0203619001

Interior

Full Baths1 Bath
Stories1 Story
Building Area900 sqft Living Area

Exterior

Year BuiltBuilt 1990
Effective Year BuiltEffective 1990
Construction TypeFrame
Lot Area50,965 sqft (1.17 acres)
Deck Area180 sqft

Utilities, Heating & Cooling

Heating SystemHVAC

Location & Zoning

Account Number0203619001
Street Address431 MAMMOTH ST
CityTHAYER
StateMO
Zip65791-1508
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionB 454 P 138 PT BLKS 3 & 4 J W SWEANEY SUB OF W1/2 W1/2 NW1/4 NE1/4 B 506 P 520 PT BLK 3 J W SWEANEY SUB; W 1/2 SW 1/4 NE 1/4
Legal Range05
Legal Township22
Legal Section32
Legal SubdivisionSWEANEY
Legal Block3 & 4
Legal Lot Number4, 5
JurisdictionOREGON MO
Township / Civil DivisionTHAYER
Census Block Group3
Census Block3002
Census Tract480200

Owner

Source: Oregon County records · APN 23-9.0-32-1-002-0016.01000

Assessment roll updated December 16, 2025 · Last verified August 2026

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

Owner of Record2 Individual Names on File
Mailing Address431 MAMMOTH ST, THAYER, MO 65791-1508
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMar 14, 2017
Deed SaleMar 14, 2017
Deed Document Number2017297
Deed Book / Page506 / 520
Last Transfer DateJul 11, 2022
Transfer Doc0000001321
Record UpdatedSep 20, 2026

March 2017: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionOREGON MO
Recording DateMar 14, 2017
Property Address431 MAMMOTH ST, THAYER, MO 65791-1508
Document Number506/520
Book / Page506 / 520
Map ReferenceMB 454 PG 138
Instrument DateMar 14, 2017
Instrument2017-0297
Transaction TypeTransfer
Record UpdatedDec 06, 2021

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address411 MAMMOTH ST, THAYER, MO 65791-1508

Tax Assessment & Valuation

Source: Oregon County records · Assessment roll updated December 16, 2025 · Last verified August 2026

Property Jurisdictions

TypeName
StateMissouri
CountyOregon County
MunicipalityThayer City
Unified School DistrictThayer R-II School District (PK - 12)

Tax Bill & Assessment History

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

YearTax BillAssessed ValueAssessed Market Value
2025$315.00$6,432 (+21.38%) Land $2,565 Building $3,867$33,850 (+21.37%) Land $13,500 Building $20,350
2023$5,299 Land $2,565 Building $2,734$27,890 Land $13,500 Building $14,390

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Oregon County (29149C), updated December 16, 2008 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 291494802003, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearest Special Flood Hazard AreaZone A, within 100 ft
Nearby Flood Policies8 in force
Nearby Flood Claims1 (2022)
Claims Outside the SFHA1 of 1
Most Recent ClaimAug 2022, rainfall accumulation

Wildfire

Wildfire RiskModerate
above 55% of the US · above 83% of Missouri
Wildfire LikelihoodAbout 1 in 621 per year
ExposureDirect
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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 76 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
BrightspeedFiber2,000 / 2,000
LTD BroadbandFiber1,000 / 1,000
Cable OneCable1,000 / 50
Wisper ISPFixed Wireless400 / 30
T-Mobile USAFixed Wireless100 / 20

Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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