3771 E 121st Ave, Thornton, CO 80241 Property Records

Adams County property record for 3771 E 121st Ave, Thornton, CO 80241 · Last verified April 2026

Property Highlights

Property Type	Residential > Condominium / Townhouse > Townhouse
Bedrooms	2 Beds
Bathrooms	1.5 Baths
Architecture Style	Townhouse
Year Built	Built 2001
Square Footage	1,132 sqft Living Area
Lot Size	1,056 sqft (0.024 acres)
Garage	Attached, 280 sqft
Tax Bill	$2,345.00 (2024)

Property Details

APN / Parcel Number

Primary APN	`1573-36-4-10-117`
Alternative APNs	`0157336410117` `R0026211`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Partial Baths	1 Partial Baths
Plumbing Fixtures	8 Plumbing Fixtures
Total Rooms	4 Rooms
Units	6 Units
Building Area	1,132 sqft Living Area
Gross Area	2,036 sqft Gross Area
Basement Area	624 sqft Basement
Stories	2 Stories
Interior Structure	Wallboard/Drywall Interior Structure
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 2001
Effective Year Built	Effective 2001
Architectural Style	Townhouse Style
Exterior Material	Aluminum/Vinyl Exterior
Construction Type	Frame Construction
Roof Construction	Gable Roof Construction
Roof Material	Composition Shingle Roof
Lot Area	1,056 sqft (0.024 acres)
Depth X Width	48 ft x 22 ft Depth x Width
Parking Spaces	1 Parking Spaces
Garage Type	Attached Garage
Garage Area	280 sqft Garage
Deck Area	64 sqft Deck
Patio Area	64 sqft Patio
Porch Area	32 sqft Porch

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0026211
Street Address	3771 E 121ST AVE
City	THORNTON
State	CO
Zip	80241-3596
Property Usage	Residential Property Usage
Type	Residential > Condominium / Townhouse > Townhouse
Legal Description	SUB:THORNTON RIDGE FILING NO 1 LOT:117
Legal Range	68W
Legal Township	01S
Legal Section	36
Legal Quarter	4
Legal Subdivision	THORNTON RIDGE FILING NO 1
Legal Lot Number	117
Jurisdiction	ADAMS CO
Minor Civil Division	WEST ADAMS
Census Blockgroup	2
Census Block	2000
Census Tract	8555

Owner

Source: Adams County records · APN 1573-36-4-10-117

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 Record	Individual Owner on File
Mailing Address	3685 E 121ST AVE, THORNTON, CO 80241-3585
Owner Type	Owner is a Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Transfer Date	Aug 31, 2006
Transfer Doc	0000907880
Record Refreshed	Jun 08, 2026

June 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ADAMS CO
Recording Date	Jun 29, 2018
Property Address	3771 E 121ST AVE, THORNTON, CO 80241-3596
Document Number	0000052827
Instrument Date	May 01, 2018
Instrument	52827
Transaction Type	Transfer
Record Updated	Jul 10, 2018

Transaction

Tax	$0.00
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	3685 E 121ST AVE THORNTON CO 802413585, THORNTON, CO 80241-3585

Tax Assessment & Valuation

Source: Adams County records · Assessment roll updated January 21, 2026 · Last verified April 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	$991.00 (-57.74%)	$25,430 (-3.64%) Land $5,440 Building $19,990	$374,000 (-4.1%) Land $80,000 Building $294,000
2024	$2,345.00 (-18.52%)
2023	$2,878.00 (+22.21%)	$26,390 (+23.43%) Land $3,860 Building $22,530	$390,000 (+26.74%) Land $57,000 Building $333,000
2022	$2,355.00	$21,380 Land $2,080 Building $19,300	$307,724 Land $30,000 Building $277,724