4502 E 121st Way, Thornton, CO 80241 Property Records

Adams County property record for 4502 E 121st Way, Thornton, CO 80241 · Last verified February 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	5 Beds
Bathrooms	3 Baths
Year Built	Built 1981
Square Footage	1,979 sqft Living Area
Lot Size	10,019 sqft (0.23 acres)
Occupancy	Owner Occupied
Last Sale	$183,000 (2011)
Tax Bill	$1,359.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`R0011678`
Alternative APNs	`0157131318001` `157131318001`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Plumbing Fixtures	11 Plumbing Fixtures
Total Rooms	7 Rooms
Building Area	1,979 sqft Living Area
1st Floor	1,031 sqft 1st Floor
2nd Floor	948 sqft 2nd Floor
Basement Area	576 sqft Basement
Finished Basement	576 sqft Finished
Stories	2 Stories
Interior Structure	Wallboard/Drywall Interior Structure
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1981
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	10,019 sqft (0.23 acres)
Depth X Width	125 ft x 79 ft Depth x Width
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	585 sqft Garage

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Forced Air Heating

Location & Zoning

Account Number	R0011678
Old Parcel Number	157131318001
Street Address	4502 E 121ST WAY
City	THORNTON
State	CO
Zip	80241-3629
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	SUB:NORTHAVEN BLK:5 LOT:6
Legal Range	67W
Legal Township	01S
Legal Section	31
Legal Quarter	NE
Legal Subdivision	NORTHAVEN
Legal Block	5
Legal Lot Number	6
Jurisdiction	ADAMS CO
Minor Civil Division	WEST ADAMS
Census Blockgroup	2
Census Block	2005
Census Tract	8547

Owner

Source: Adams County records · APN R0011678

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	4502 E 121ST WAY, THORNTON, CO 80241-3629
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	Last Sale Amount on Mar 28, 2011 Deed Sale Price on Mar 28, 2011 Prior Sale Amount on Mar 28, 2011
Deed Doc Number	0000019590
Last Transfer Date	Feb 28, 2018
Transfer Doc	0000016872
Record Refreshed	Jun 08, 2026

February 2018: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ADAMS CO
Recording Date	Feb 28, 2018
Property Address	4502 E 121ST WAY, THORNTON, CO 80241-3629
Document Number	0000016872
Instrument Date	Feb 22, 2018
Instrument	2018000016872
Transaction Type	Transfer
Record Updated	Jan 27, 2022
Title Company	FIRST AMERICAN TITLE

Transaction

Tax	$0.00
Amount Accuracy	Zero or No Consideration Stated
Additional	Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	4502 E 121ST WAY, THORNTON, CO 80241-3629

Mortgage

Document Number	0000016873
Date	Feb 28, 2018
Instrument	2018000016873

Lender

Name	BLUE FCU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	241 Months
Due	Mar 01, 2038

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, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$1,359.00 (-67.93%)	$32,060 (-17.43%) Land $6,000 Building $26,060	$513,000 (-10.63%) Land $96,000 Building $417,000
2023	$4,237.00 (+15.42%)	$38,830 (+16.5%) Land $5,820 Building $33,010	$574,000 (+19.7%) Land $86,000 Building $488,000
2022	$3,671.00	$33,330 Land $11,960 Building $21,370	$479,542 Land $172,000 Building $307,542