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3489 E 99th Dr, Thornton (Denver), CO 80229 Property Records

Adams County property record for 3489 E 99th Dr, Thornton, CO 80229 · Last verified February 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms2 Beds
Bathrooms1 Baths
Year BuiltBuilt 1984
Square Footage893 sqft Living Area
Lot Size6,970 sqft (0.16 acres)
OccupancyOwner Occupied
Last Sale$104,900 (1998)
Tax Bill$1,055.00 (2025)

Property Details

APN / Parcel Number

Primary APNR0040432
Alternative APNs
  • 0171913411006
  • 171913411006

Interior

Bedrooms2 Beds
Full Baths1 Baths
Plumbing Fixtures6 Plumbing Fixtures
Total Rooms5 Rooms
Building Area893 sqft Living Area
1st Floor893 sqft 1st Floor
Basement Area850 sqft Basement
Stories1 Stories
Interior StructureWallboard/Drywall Interior Structure
FireplaceFireplace
Fireplaces1 Fireplaces

Exterior

Year BuiltBuilt 1984
Architectural StyleRanch Style
Exterior MaterialAluminum/Vinyl Exterior
Construction TypeFrame Construction
Roof ConstructionGable Roof Construction
Roof MaterialComposition Shingle Roof
Lot Area6,970 sqft (0.16 acres)
Depth X Width95 ft x 74 ft Depth x Width
Parking Spaces1 Parking Spaces
Garage TypeAttached Garage
Garage Area399 sqft Garage

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemForced Air Heating

Location & Zoning

Account NumberR0040432
Old Parcel Number171913411006
Street Address3489 E 99TH DR
CityTHORNTON
StateCO
Zip80229-2808
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionSUB:NORTH HILLS FILING NUMBER ONE SUBD BLK:6 LOT:12
Legal Range68W
Legal Township02S
Legal Section13
Legal QuarterSW
Legal SubdivisionNORTH HILLS FILING NUMBER ONE SUBD
Legal Block6
Legal Lot Number12
JurisdictionADAMS CO
Minor Civil DivisionWEST ADAMS
Census Blockgroup1
Census Block1018
Census Tract9207

Owner

Source: Adams County records · APN R0040432

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 Record2 Individuals Owners
Mailing Address3489 E 99TH DR, THORNTON, CO 80229-2808
OccupancyOwner Occupied

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Known Transactions
  • Last Sale Amount on Jan 16, 1998
  • Deed Sale Price on Jan 16, 1998
  • Prior Sale Amount on Apr 20, 1994
Deed Doc Number00355179
Deed Book / Page5210 / 588
Record RefreshedJun 08, 2026

November 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionADAMS CO
Property Address3489 E 99TH DR, THORNTON, CO 80229-2808
Document Number0000100289
Instrument DateNov 01, 2019
Transaction TypeMortgage
Record UpdatedDec 05, 2019
Title CompanyACCURATE TITLE GROUP, ACCURATE TITLE GRP

Transferred To (Grantee/Buyer)

NameVerified Name
Address3489 E 99TH DR THORNTON CO 802292808, THORNTON, CO 80229-2808

Mortgage

Document Number0000100289
DateNov 19, 2019
Instrument100289
Lender
NameKEYBANK USA
TypeBank
AddressBROOKLYN, OH 44144
Agreement
TypeLine of Credit
AmountAmount Recorded
Term180 Months
DueNov 18, 2034
Interest
Rate TypeAdjustable Rate

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$1,055.00 (-63.44%)$24,880 (-14.85%) Land $5,630 Building $19,250$398,000 (-7.87%) Land $90,000 Building $308,000
2023$2,886.00 (+3.29%)$29,220 (+4.25%) Land $5,750 Building $23,470$432,000 (+7.12%) Land $85,000 Building $347,000
2022$2,794.00$28,030 Land $11,820 Building $16,210$403,281 Land $170,000 Building $233,281

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