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12100 York St, Thornton, CO 80241 Property Records

Adams County property record for 12100 York St, Thornton, CO 80241

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,282 sqft · built 1996
Lot Size0.216 acres (9,404 sqft)
OwnerIndividual Name on File
Last Sale$560,000 (Sep 2023)
Tax Bill$1,330 (2025)
Deeds & MortgagesSep 2023 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN1573-36-3-10-006

Property Details

APN / Parcel Number

Primary APN1573-36-3-10-006
Alternative APNs
  • 0157336310006
  • R0025850

Interior

Bedrooms3 Beds
Full Baths2 Baths
Plumbing Fixtures12 Plumbing Fixtures
Total Rooms5 Rooms
Stories1 Story
Building Area1,282 sqft Living Area
Gross Area2,632 sqft
1st Floor Area1,282 sqft
Basement Area720 sqft
Interior WallsWallboard/Drywall
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1996
Effective Year BuiltEffective 1996
Architectural StyleRanch
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeGable
Roof MaterialComposition Shingle
Lot Area9,404 sqft (0.216 acres)
View / LotOpen Space
Garage TypeAttached
Garage Area630 sqft
Parking Spaces2 Parking Spaces
PorchPorch
Porch Area268 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0025850
Street Address12100 YORK ST
CityTHORNTON
StateCO
Zip80241-3452
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionSUB:WATERFORD PLACE FILING NO 1 BLK:6 LOT:8
Legal Range68W
Legal Township01S
Legal Section36
Legal Quarter3
Legal SubdivisionWATERFORD PLACE FILING NO 1
Legal Block6
Legal Lot Number8
JurisdictionADAMS CO
Township / Civil DivisionWEST ADAMS
Census Block Group1
Census Block1004
Census Tract8555

Owner

12100 York St is owned and occupied by an individual who bought it in September 2023.

Source: Adams County records, as of May 21, 2026

Owner of RecordIndividual Name on File
Mailing Address12100 YORK ST, THORNTON, CO 80241-3452
OccupancyOwner Occupied
Owner TypeIndividual

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

Assessor's Deed Record

Deed NamesName on Deed
Last SaleSep 18, 2023 · Amount on File
Deed SaleSep 18, 2023 · Amount on File
Prior SaleMar 12, 2004 · Amount on File
Deed Document Number202352876
Record UpdatedOct 29, 2026

September 2023: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionADAMS CO
Recording DateSep 18, 2023
Property Address12100 YORK ST, THORNTON, CO 80241-3452
Document Number0000052876
Instrument DateSep 6, 2023
Instrument2023000052876
Transaction TypeTransfer
Record UpdatedSep 26, 2023
Title CompanyGUARDIAN LAND TITLE, GUARDIAN TITLE

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$56.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address12100 YORK ST, THORNTON, CO 80241-3452

Mortgage

Document Number0000052877
DateSep 18, 2023
Instrument2023000052877
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueOct 1, 2053

Tax Assessment & Valuation

The 2025 property tax bill for 12100 York St was $1,330, down 6% from the year before.

Source: Adams County assessment roll, as of January 21, 2026

Property Jurisdictions

TypeName
StateColorado
CountyAdams County
MunicipalityThornton City
Unified School DistrictAdams 12 Five Star Schools (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$1,330.00 (-60.01%)$34,140 Land $7,140 Building $27,000$502,000 Land $105,000 Building $397,000
2024$3,326.00 (-14.98%)
2023$3,912.00 (+8.22%)$35,850 (+9.23%) Land $6,490 Building $29,360$530,000 (+12.21%) Land $96,000 Building $434,000
2022$3,615.00$32,820 Land $13,340 Building $19,480$472,324 Land $192,000 Building $280,324

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 12100 York St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 2, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 12100 York St is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 99.1% of the US · lower than 99.6% of Colorado
Wildfire LikelihoodUnder 0.01% 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 THORNTON
serves 226,465 people · EPA ID CO0101150
Water SourceSurface water
Last State InspectionJul 2024
Lead2 ppb (2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting3
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 410 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Rise Broadband
Fixed Wireless		300 / 60
Verizon
Fixed Wireless		300 / 20
AT&T
Fixed Wireless		100 / 20
T-Mobile
Fixed Wireless		100 / 20

May also be available: CenturyLink.

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