421 Leo Ln, Thornton (Denver), CO 80260 Property Records

Adams County property record for 421 Leo Ln, Thornton, CO 80260 · Last verified August 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	2 Beds
Bathrooms	2 Baths
Year Built	Built 1999
Square Footage	1,750 sqft Living Area
Lot Size	9,340 sqft (0.214 acres)
Occupancy	Owner Occupied
Last Sale	$144,750 (1999)
Tax Bill	$3,581.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1719-27-2-08-016`
Alternative APNs	`0171927208016` `R0058320`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Plumbing Fixtures	10 Plumbing Fixtures
Total Rooms	5 Rooms
Building Area	1,750 sqft Living Area
Gross Area	2,050 sqft Gross Area
1st Floor	875 sqft 1st Floor
Basement Area	875 sqft Basement
Stories	1 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1999
Architectural Style	Ranch Style
Exterior Material	Combination Exterior
Construction Type	Frame Construction
Roof Construction	Gable Roof Construction
Roof Material	Composition Shingle Roof
Lot Area	9,340 sqft (0.214 acres)
Parking Spaces	1 Parking Spaces
Garage Type	Attached Garage
Garage Area	300 sqft Garage
Porch Area	240 sqft Porch

Utilities and HVAC

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

Location & Zoning

Account Number	R0058320
Street Address	421 LEO LN
City	THORNTON
State	CO
Zip	80260-4828
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	SUB:NORTH STAR HILLS FIRST FILING BLK:6 LOT:9
Legal Range	68W
Legal Township	02S
Legal Section	27
Legal Quarter	2
Legal Subdivision	NORTH STAR HILLS FIRST FILING
Legal Block	6
Legal Lot Number	9
Jurisdiction	ADAMS CO
Minor Civil Division	WEST ADAMS
Census Blockgroup	1
Census Block	1001
Census Tract	9307

Owner

Source: Adams County records · APN 1719-27-2-08-016

Assessment roll updated January 21, 2026 · Last verified August 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	421 LEO LN, THORNTON, CO 80260-4828
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 Oct 20, 1999 Deed Sale Price on Oct 20, 1999 Prior Sale Amount on Oct 05, 1995
Deed Doc Number	1999604397
Deed Book / Page	5927 / 343
Record Refreshed	Sep 20, 2026

December 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ADAMS CO
Property Address	421 LEO LN, THORNTON, CO 80260-4828
Transaction Type	Mortgage
Record Updated	Jan 03, 2024
Title Company	EQUITY TITLE OF NEVADA, EQUITY TITLE OF COLORADO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	421 LEO LN, THORNTON, CO 80260-4828

Mortgage

Document Number	0000071220
Date	Dec 27, 2023
Instrument	2023000071220

Lender

Name	GUILD MORTGAGE CO
Type	Mortgage Company
Address	SAN DIEGO, CA 92111

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 01, 2054

Tax Assessment & Valuation

Source: Adams County records · Assessment roll updated January 21, 2026 · Last verified August 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	$3,581.00 (-3.61%)	$30,530 (-6.18%) Land $6,120 Building $24,410	$449,000 (-6.65%) Land $90,000 Building $359,000
2023	$3,715.00 (+10.27%)	$32,540 (+11.32%) Land $5,750 Building $26,790	$481,000 (+14.4%) Land $85,000 Building $396,000
2022	$3,369.00	$29,230 Land $11,820 Building $17,410	$420,468 Land $170,000 Building $250,468