4450 E 121st Ct, Thornton, CO 80241 Property Records

Adams County property record for 4450 E 121st Ct, Thornton, CO 80241 · Last verified February 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	3 Baths
Year Built	Built 1979
Square Footage	1,695 sqft Living Area
Lot Size	8,276 sqft (0.189 acres)
Garage	Attached, 441 sqft
Occupancy	Owner Occupied
Tax Bill	$1,250.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`R0011656`
Alternative APNs	`0157131314002` `157131314002`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Plumbing Fixtures	11 Plumbing Fixtures
Total Rooms	6 Rooms
Building Area	1,695 sqft Living Area
1st Floor	1,019 sqft 1st Floor
2nd Floor	676 sqft 2nd Floor
Basement Area	576 sqft Basement
Stories	2 Stories
Interior Structure	Wallboard/Drywall Interior Structure
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1979
Architectural Style	Split Level Style
Exterior Material	Aluminum/Vinyl Exterior
Construction Type	Frame Construction
Roof Construction	Gable Roof Construction
Roof Material	Composition Shingle Roof
Lot Area	8,276 sqft (0.189 acres)
Depth X Width	117 ft x 70 ft Depth x Width
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	441 sqft Garage
Porch	Open Porch
Porch Area	390 sqft Porch

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Forced Air Heating

Location & Zoning

Account Number	R0011656
Old Parcel Number	157131314002
Street Address	4450 E 121ST CT
City	THORNTON
State	CO
Zip	80241-3650
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	SUB:NORTHAVEN BLK:12 LOT:2
Legal Range	67W
Legal Township	01S
Legal Section	31
Legal Quarter	NE
Legal Subdivision	NORTHAVEN
Legal Block	12
Legal Lot Number	2
Jurisdiction	ADAMS CO
Minor Civil Division	WEST ADAMS
Census Blockgroup	2
Census Block	2013
Census Tract	8547

Owner

Source: Adams County records · APN R0011656

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 Record	Individual Owner on File
Co-owner	Verified Secondary Owner
Mailing Address	4450 E 121ST CT, THORNTON, CO 80241-3650
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Known Transactions	Prior Sale Amount on Jul 02, 1997
Last Transfer Date	Dec 29, 2016
Transfer Doc	0000114058
Record Refreshed	Jun 08, 2026

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ADAMS CO
Property Address	4450 E 121ST CT, THORNTON, CO 80241-3650
Transaction Type	Mortgage
Record Updated	Dec 08, 2021
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	12175 CLAUDE CT, NORTHGLENN, CO 80241-3307

Mortgage

Document Number	0000139889
Date	Dec 01, 2021
Instrument	2021000139889

Lender

Name	PENTAGON FCU
Type	Credit Union
Address	MC LEAN, VA 22102

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Dec 08, 2051

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly (Revolving credit lines are monthly unless stated otherwise).

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	Colorado
County	Adams County
Municipality	Thornton City
Unified School District	Adams 12 Five Star Schools (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$1,250.00 (-67.87%)	$29,500 (-17.25%) Land $6,000 Building $23,500	$472,000 (-10.44%) Land $96,000 Building $376,000
2023	$3,890.00 (+12.27%)	$35,650 (+13.32%) Land $5,820 Building $29,830	$527,000 (+16.44%) Land $86,000 Building $441,000
2022	$3,465.00	$31,460 Land $11,960 Building $19,500	$452,611 Land $172,000 Building $280,611