12983 Leyden St, Thornton (Brighton), CO 80602 Property Records

Adams County property record for 12983 Leyden St, Thornton, CO 80602 · Last verified February 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	2 Baths
Year Built	Built 2003
Square Footage	2,014 sqft Living Area
Lot Size	9,148 sqft (0.21 acres)
Occupancy	Owner Occupied
Last Sale	$268,320 (2004)
Tax Bill	$1,311.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`R0147549`
Alternative APNs	`0157129317002` `157129317002`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Plumbing Fixtures	11 Plumbing Fixtures
Total Rooms	5 Rooms
Building Area	2,014 sqft Living Area
1st Floor	2,014 sqft 1st Floor
Basement Area	1,156 sqft Basement
Stories	1 Stories
Interior Structure	Wallboard/Drywall Interior Structure
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 2003
Architectural Style	Ranch Style
Exterior Material	Aluminum/Vinyl Exterior
Construction Type	Frame Construction
Roof Construction	Gable Roof Construction
Roof Material	Composition Shingle Roof
Lot Area	9,148 sqft (0.21 acres)
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	660 sqft Garage
Porch	Porch
Porch Area	80 sqft Porch

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Forced Air Heating

Location & Zoning

Account Number	R0147549
Old Parcel Number	157129317002
Street Address	12983 LEYDEN ST
City	THORNTON
State	CO
Zip	80602-7887
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	SUB:RIVERDALE PARK FILING NO 4 BLK:5 LOT:2
Legal Range	67W
Legal Township	01S
Legal Section	29
Legal Quarter	SW
Legal Subdivision	RIVERDALE PARK FILING NO 4
Legal Block	5
Legal Lot Number	2
Jurisdiction	ADAMS CO
Minor Civil Division	BRIGHTON
Census Blockgroup	4
Census Block	4016
Census Tract	8540

Owner

Source: Adams County records · APN R0147549

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	2 Individuals Owners
Mailing Address	12983 LEYDEN ST, THORNTON, CO 80602-7887
Occupancy	Owner Occupied

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Known Transactions	Last Sale Amount on Apr 02, 2004 Deed Sale Price on Apr 02, 2004
Deed Doc Number	20040402000186110
Record Refreshed	Jun 08, 2026

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ADAMS CO
Property Address	12983 LEYDEN ST, THORNTON, CO 80602-7887
Transaction Type	Mortgage
Record Updated	Feb 05, 2021
Title Company	FIRST INTEGRITY TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000127895
Date	Dec 08, 2020
Instrument	2020000127895

Lender

Name	AMERICAN PACIFIC MORTGAGE CORP
Type	Mortgage Company
Address	ROSEVILLE, CA 95661

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Dec 01, 2050

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	School District 27J (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	$1,311.00 (-68.39%)	$30,940 (-27.52%) Land $6,760 Building $24,180	$595,000 (-5.71%) Land $130,000 Building $465,000
2023	$4,147.00 (+8.39%)	$42,690 (+9.43%) Land $7,780 Building $34,910	$631,000 (+12.39%) Land $115,000 Building $516,000
2022	$3,826.00	$39,010 Land $15,980 Building $23,030	$561,419 Land $230,000 Building $331,419