9874 Cook St, Thornton (Denver), CO 80229 Property Records

Adams County property record for 9874 Cook St, Thornton, CO 80229

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 861 sqft · built 1984
Lot Size0.161 acres (7,000 sqft)
OwnerIndividual Name on File
Last Sale$105,900 (Mar 1996)
Tax Bill$1,911 (2025)
Deeds & MortgagesApr 2026 Sale
Flood ZoneZone X (minimal risk)
APN1719-13-4-11-010

Property Details

APN / Parcel Number

Primary APN1719-13-4-11-010
Alternative APNs
  • 0171913411010
  • R0040436

Interior

Bedrooms2 Beds
Full Baths1 Bath
Plumbing Fixtures6 Plumbing Fixtures
Total Rooms4 Rooms
Stories1 Story
Building Area861 sqft Living Area
Gross Area2,129 sqft
1st Floor Area861 sqft
Basement Area850 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1984
Effective Year BuiltEffective 1984
Architectural StyleRanch
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeGable
Roof MaterialComposition Shingle
Lot Area7,000 sqft (0.161 acres)
Lot Dimensions100 ft deep x 70 ft wide
Garage TypeAttached
Garage Area418 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0040436
Street Address9874 COOK ST
CityTHORNTON
StateCO
Zip80229-2807
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionSUB:NORTH HILLS FILING NUMBER ONE SUBD BLK:6 LOT:8
Legal Range68W
Legal Township02S
Legal Section13
Legal Quarter4
Legal SubdivisionNORTH HILLS FILING NUMBER ONE SUBD
Legal Block6
Legal Lot Number8
JurisdictionADAMS CO
Township / Civil DivisionWEST ADAMS
Census Block Group1
Census Block1018
Census Tract9207

Owner

9874 Cook St is owned and occupied by an individual who bought it in March 1996.

Source: Adams County records, as of August 26, 2026

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

Owner of RecordIndividual Name on File
Mailing Address9874 COOK ST, THORNTON, CO 80229-2807
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMar 29, 1996 · Amount on File
Deed SaleMar 29, 1996 · Amount on File
Prior SaleJul 21, 1995 · Amount on File
Deed Document Number1996160318
Deed Book / Page4713 / 919
Prior Transfer DateMar 27, 1996
Prior Transfer Doc0000160318
Record UpdatedOct 29, 2026

April 2026: Affidavit, Transfer

Document TypeAffidavit
JurisdictionADAMS CO
Recording DateApr 2, 2026
Property Address9874 COOK ST, THORNTON, CO 80229-2807
Document Number0000018643
Instrument DateApr 1, 2026
Instrument202618643
Transaction TypeTransfer
Record UpdatedJul 12, 2026

Transaction

Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name

Tax Assessment & Valuation

The 2025 property tax bill for 9874 Cook St was $1,911, up 8.4% from the year before.

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

Property Jurisdictions

TypeName
StateColorado
CountyAdams County
MunicipalityThornton City
Unified School DistrictMapleton School District 1 (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$1,911.00 (+8.39%)$27,000 Land $6,120 Building $20,880$397,000 Land $90,000 Building $307,000
2024$1,763.00 (-38.91%)
2023$2,886.00 (+5.14%)$29,220 (+6.1%) Land $5,750 Building $23,470$432,000 (+9.05%) Land $85,000 Building $347,000
2022$2,745.00$27,540 Land $11,820 Building $15,720$396,166 Land $170,000 Building $226,166

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 9874 Cook 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 9874 Cook 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 98% of the US · lower than 99.2% 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 631 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20
CenturyLink
DSL
140 / 20
Rise Broadband
Fixed Wireless
100 / 20
T-Mobile
Fixed Wireless
100 / 20

May also be available: Aerux Broadband.

Nearby Properties on Cook St

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