3920 E 99th Ln, Thornton (Denver), CO 80229 Property Records

Adams County property record for 3920 E 99th Ln, Thornton, CO 80229 · Last verified April 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	3 Baths
Year Built	Built 1992
Square Footage	1,454 sqft Living Area
Lot Size	8,600 sqft (0.197 acres)
Garage	Attached, 420 sqft
Last Sale	$72,000 (2013)
Tax Bill	$2,871.00 (2024)

Property Details

APN / Parcel Number

Primary APN	`1719-13-4-06-001`
Alternative APNs	`0171913406001` `R0040333`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Plumbing Fixtures	12 Plumbing Fixtures
Total Rooms	6 Rooms
Building Area	1,454 sqft Living Area
Gross Area	1,874 sqft Gross Area
1st Floor	762 sqft 1st Floor
2nd Floor	692 sqft 2nd Floor
Basement Area	432 sqft Basement
Stories	2 Stories
Interior Structure	Wallboard/Drywall Interior Structure
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1992
Effective Year Built	Effective 1992
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	8,600 sqft (0.197 acres)
Depth X Width	100 ft x 86 ft Depth x Width
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	420 sqft Garage

Utilities and HVAC

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

Location & Zoning

Account Number	R0040333
Street Address	3920 E 99TH LN
City	THORNTON
State	CO
Zip	80229-2847
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	SUB:NORTH HILLS FILING NUMBER ONE SUBD BLK:18 LOT:1
Legal Range	68W
Legal Township	02S
Legal Section	13
Legal Quarter	4
Legal Subdivision	NORTH HILLS FILING NUMBER ONE SUBD
Legal Block	18
Legal Lot Number	1
Jurisdiction	ADAMS CO
Minor Civil Division	WEST ADAMS
Census Blockgroup	1
Census Block	1002
Census Tract	9207

Owner

Source: Adams County records · APN 1719-13-4-06-001

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	255 CIMMARON WAY, BOULDER, CO 80303-4203
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Living Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Known Transactions	Last Sale Amount on Jul 02, 2013 Deed Sale Price on Jul 02, 2013 Prior Sale Amount on Apr 24, 2012
Deed Doc Number	201356939
Prior Transfer Date	Apr 22, 1999
Prior Transfer Doc	000C539511
Record Refreshed	Jun 08, 2026

January 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ADAMS CO
Recording Date	Jan 02, 2018
Property Address	3920 E 99TH LN, THORNTON, CO 80229-2847
Document Number	0000000319
Instrument Date	Dec 15, 2017
Instrument	319
Transaction Type	Transfer
Record Updated	Jan 10, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Document Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	255 CIMMARON WAY BOULDER CO 803034203, BOULDER, CO 80303-4203

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	Mapleton School District 1 (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	$1,203.00 (-58.1%)	$30,870 (-9.82%) Land $6,120 Building $24,750	$454,000 (-10.28%) Land $90,000 Building $364,000
2024	$2,871.00 (-15.06%)
2023	$3,380.00 (+9.21%)	$34,230 (+10.24%) Land $5,750 Building $28,480	$506,000 (+13.26%) Land $85,000 Building $421,000
2022	$3,095.00	$31,050 Land $11,820 Building $19,230	$446,741 Land $170,000 Building $276,741