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

Adams County property record for 451 Leo Ln, Thornton, CO 80260 · Last verified April 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	2 Beds
Bathrooms	1.5 Baths
Year Built	Built 1968
Square Footage	1,711 sqft Living Area
Lot Size	9,184 sqft (0.211 acres)
Garage	Attached, 275 sqft
Occupancy	Owner Occupied
Tax Bill	$2,952.00 (2024)

Property Details

APN / Parcel Number

Primary APN	`1719-27-2-08-013`
Alternative APNs	`0171927208013` `R0058317`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Partial Baths	1 Partial Baths
Plumbing Fixtures	8 Plumbing Fixtures
Total Rooms	4 Rooms
Building Area	1,711 sqft Living Area
Gross Area	2,125 sqft Gross Area
1st Floor	925 sqft 1st Floor
Basement Area	925 sqft Basement
Finished Basement	786 sqft Finished
Unfinished Basement	139 sqft Unfinished
Stories	1 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1968
Effective Year Built	Effective 1968
Architectural Style	Ranch Style
Exterior Material	Combination Exterior
Construction Type	Frame Construction
Roof Construction	Gable Roof Construction
Roof Material	Composition Shingle Roof
Lot Area	9,184 sqft (0.211 acres)
Depth X Width	112 ft x 82 ft Depth x Width
Parking Spaces	1 Parking Spaces
Garage Type	Attached Garage
Garage Area	275 sqft Garage
Porch	Porch
Porch Area	180 sqft Porch

Utilities and HVAC

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

Location & Zoning

Account Number	R0058317
Street Address	451 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:12
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	12
Jurisdiction	ADAMS CO
Minor Civil Division	WEST ADAMS
Census Blockgroup	1
Census Block	1001
Census Tract	9307

Owner

Source: Adams County records · APN 1719-27-2-08-013

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	451 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	Verified Name on Deed
Last Transfer Date	Sep 21, 1998
Transfer Doc	000C449400
Record Refreshed	Jun 08, 2026

September 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ADAMS CO
Property Address	451 LEO LN, THORNTON, CO 80260-4828
Transaction Type	Mortgage
Record Updated	Oct 10, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	451 LEO LN, THORNTON, CO 80260-4828

Mortgage

Document Number	0000056745
Date	Sep 29, 2025
Instrument	2025000056745

Lender

Name	BELLCO CU
Type	Credit Union
Address	ENGLEWOOD, CO 80111

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	240 Months
Due	Sep 28, 2045

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 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	$1,290.00 (-56.3%)	$29,510 (-4.56%) Land $6,120 Building $23,390	$434,000 (-5.03%) Land $90,000 Building $344,000
2024	$2,952.00 (-16.37%)
2023	$3,530.00 (+3.58%)	$30,920 (+4.57%) Land $5,750 Building $25,170	$457,000 (+7.43%) Land $85,000 Building $372,000
2022	$3,408.00	$29,570 Land $11,820 Building $17,750	$425,411 Land $170,000 Building $255,411