3801 E 99th Ln, Thornton (Denver), CO 80229 Property Records

Adams County property record for 3801 E 99th Ln, Thornton, CO 80229 · Last verified February 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms2 Baths
Year BuiltBuilt 1992
Square Footage1,454 sqft Living Area
Lot Size9,583 sqft (0.219 acres)
GarageAttached, 420 sqft
Last Sale$238,000 (2014)
Tax Bill$1,182.00 (2025)

Property Details

APN / Parcel Number

Primary APNR0040361
Alternative APNs
  • 0171913407010
  • 171913407010

Interior

Bedrooms3 Beds
Full Baths2 Baths
Plumbing Fixtures9 Plumbing Fixtures
Total Rooms6 Rooms
Building Area1,454 sqft Living Area
1st Floor762 sqft 1st Floor
2nd Floor692 sqft 2nd Floor
Stories2 Stories
Interior StructureWallboard/Drywall Interior Structure
FireplaceFireplace
Fireplaces1 Fireplaces

Exterior

Year BuiltBuilt 1992
Architectural StyleSplit Level Style
Exterior MaterialAluminum/Vinyl Exterior
Construction TypeFrame Construction
Roof ConstructionGable Roof Construction
Roof MaterialComposition Shingle Roof
Lot Area9,583 sqft (0.219 acres)
Depth X Width135 ft x 70 ft Depth x Width
Parking Spaces2 Parking Spaces
Garage TypeAttached Garage
Garage Area420 sqft Garage

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemHVAC Heating

Location & Zoning

Account NumberR0040361
Old Parcel Number171913407010
Street Address3801 E 99TH LN
CityTHORNTON
StateCO
Zip80229-2846
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionSUB:NORTH HILLS FILING NUMBER ONE SUBD BLK:3 LOT:10
Legal Range68W
Legal Township02S
Legal Section13
Legal QuarterSW
Legal SubdivisionNORTH HILLS FILING NUMBER ONE SUBD
Legal Block3
Legal Lot Number10
JurisdictionADAMS CO
Minor Civil DivisionWEST ADAMS
Census Blockgroup1
Census Block1002
Census Tract9207

Owner

Source: Adams County records · APN R0040361

Assessment roll updated August 25, 2025 · Last verified February 2026

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

Owner of RecordIndividual Owner on File
Mailing Address7855 DEERTRAIL DR, PARKER, CO 80138-8264

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Known Transactions
  • Last Sale Amount on Jul 08, 2014
  • Deed Sale Price on Jul 08, 2014
  • Prior Sale Amount on Nov 24, 2009
Deed Doc Number2014000043795
Record RefreshedJun 08, 2026

Tax Assessment & Valuation

Source: Adams County records · Assessment roll updated August 25, 2025 · Last verified February 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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.

YearTax BillAssessed ValueAssessed Market Value
2025$1,182.00 (-64.32%)$27,880 (-16.9%) Land $5,630 Building $22,250$446,000 (-10.08%) Land $90,000 Building $356,000
2023$3,313.00 (+6.77%)$33,550 (+7.77%) Land $5,750 Building $27,800$496,000 (+10.74%) Land $85,000 Building $411,000
2022$3,103.00$31,130 Land $11,820 Building $19,310$447,888 Land $170,000 Building $277,888

Nearby Properties on E 99th Ln

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