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4545 E 121st Ct, Thornton, CO 80241 Property Records

Adams County property record for 4545 E 121st Ct, Thornton, CO 80241 · Last verified April 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms2 Baths
Year BuiltBuilt 1979
Square Footage1,288 sqft Living Area
Lot Size7,314 sqft (0.168 acres)
OccupancyOwner Occupied
Last Sale$206,000 (2004)
Tax Bill$3,074.00 (2024)

Property Details

APN / Parcel Number

Primary APN1571-31-3-19-005
Alternative APNs
  • 0157131319005
  • R0011692

Interior

Bedrooms3 Beds
Full Baths2 Baths
Plumbing Fixtures9 Plumbing Fixtures
Total Rooms5 Rooms
Building Area1,288 sqft Living Area
Gross Area2,994 sqft Gross Area
1st Floor1,288 sqft 1st Floor
Basement Area1,288 sqft Basement
Stories1 Stories
Interior StructureWallboard/Drywall Interior Structure
FireplaceFireplace
Fireplaces1 Fireplaces

Exterior

Year BuiltBuilt 1979
Effective Year BuiltEffective 1979
Architectural StyleRanch Style
Exterior MaterialAluminum/Vinyl Exterior
Construction TypeFrame Construction
Roof ConstructionGable Roof Construction
Roof MaterialComposition Shingle Roof
Lot Area7,314 sqft (0.168 acres)
Depth X Width106 ft x 69 ft Depth x Width
Parking Spaces2 Parking Spaces
Garage TypeAttached Garage
Garage Area418 sqft Garage

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemForced Air with Air Conditioning Heating

Location & Zoning

Account NumberR0011692
Street Address4545 E 121ST CT
CityTHORNTON
StateCO
Zip80241-3648
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionSUB:NORTHAVEN BLK:4 LOT:3
Legal Range67W
Legal Township01S
Legal Section31
Legal Quarter3
Legal SubdivisionNORTHAVEN
Legal Block4
Legal Lot Number3
JurisdictionADAMS CO
Minor Civil DivisionWEST ADAMS
Census Blockgroup2
Census Block2005
Census Tract8547

Owner

Source: Adams County records · APN 1571-31-3-19-005

Assessment roll updated January 21, 2026 · Last verified April 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 Address4545 E 121ST CT, THORNTON, CO 80241-3648
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Known Transactions
  • Last Sale Amount on Jul 02, 2004
  • Deed Sale Price on Jul 02, 2004
  • Prior Sale Amount on Nov 06, 1991
Deed Doc Number2004570480
Prior Transfer DateSep 24, 1999
Prior Transfer Doc000C599646
Record RefreshedJun 08, 2026

August 2023: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionADAMS CO
Property Address4545 E 121ST CT, THORNTON, CO 80241-3648
Transaction TypeMortgage
Record UpdatedSep 01, 2023

Transferred To (Grantee/Buyer)

NameVerified Name
Address4545 E 121ST CT, THORNTON, CO 80241-3648

Mortgage

Document Number0000048365
DateAug 24, 2023
Instrument2023000048365
Lender
NameROCKET MORTGAGE LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueSep 01, 2053

Tax Assessment & Valuation

Source: Adams County records · Assessment roll updated January 21, 2026 · Last verified April 2026

Property Jurisdictions

TypeName
StateColorado
CountyAdams County
MunicipalityThornton City
Unified School DistrictAdams 12 Five Star Schools (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$1,163.00 (-62.17%)$29,850 (-10.68%) Land $6,530 Building $23,320$439,000 (-11.13%) Land $96,000 Building $343,000
2024$3,074.00 (-15.69%)
2023$3,646.00 (+6.92%)$33,420 (+7.95%) Land $5,820 Building $27,600$494,000 (+10.91%) Land $86,000 Building $408,000
2022$3,410.00$30,960 Land $11,960 Building $19,000$445,409 Land $172,000 Building $273,409

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