3721 E 99th Ln, Thornton (Denver), CO 80229 Property Records

Adams County property record for 3721 E 99th Ln, Thornton, CO 80229 · Last verified August 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	2 Baths
Year Built	Built 1992
Square Footage	1,454 sqft Living Area
Lot Size	9,450 sqft (0.217 acres)
Garage	Attached, 420 sqft
Last Sale	$281,000 (2017)
Tax Bill	$2,890.00 (2024)

Property Details

APN / Parcel Number

Primary APN	`1719-13-4-07-006`
Alternative APNs	`0171913407006` `R0040357`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Plumbing Fixtures	10 Plumbing Fixtures
Total Rooms	6 Rooms
Building Area	1,454 sqft Living Area
Gross Area	2,306 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	9,450 sqft (0.217 acres)
Depth X Width	135 ft x 70 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	R0040357
Street Address	3721 E 99TH LN
City	THORNTON
State	CO
Zip	80229-2844
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	SUB:NORTH HILLS FILING NUMBER ONE SUBD BLK:3 LOT:6
Legal Range	68W
Legal Township	02S
Legal Section	13
Legal Quarter	4
Legal Subdivision	NORTH HILLS FILING NUMBER ONE SUBD
Legal Block	3
Legal Lot Number	6
Jurisdiction	ADAMS CO
Minor Civil Division	WEST ADAMS
Census Blockgroup	1
Census Block	1002
Census Tract	9207

Owner

Source: Adams County records · APN 1719-13-4-07-006

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	Individual Owner on File
Mailing Address	21739 CLARENCE LN, GOLDEN, CO 80401-9132
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Known Transactions	Last Sale Amount on Mar 14, 2017 Deed Sale Price on Mar 14, 2017 Prior Sale Amount on Aug 27, 2004
Deed Doc Number	201722457
Prior Transfer Date	Aug 02, 2004
Prior Transfer Doc	0000830200
Record Refreshed	Sep 20, 2026

March 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ADAMS CO
Recording Date	Mar 14, 2017
Property Address	3721 E 99TH LN, THORNTON, CO 80229-2844
Document Number	0000022457
Instrument Date	Mar 01, 2017
Instrument	22457
Transaction Type	Transfer
Record Updated	Mar 27, 2017
Title Company	NORTH AMERICAN TITLE

Transaction

Amount	Amount Recorded
Tax	$28.10
Amount Accuracy	Confirmed
Additional	Notice of Trustee Sale Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	7955 S FIELD ST LITTLETON CO 801285330, LITTLETON, CO 80128-5330

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	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	$1,216.00 (-57.92%)	$31,210 (-9.35%) Land $6,120 Building $25,090	$459,000 (-9.82%) Land $90,000 Building $369,000
2024	$2,890.00 (-15%)
2023	$3,400.00 (+8.31%)	$34,430 (+9.3%) Land $5,750 Building $28,680	$509,000 (+12.32%) Land $85,000 Building $424,000
2022	$3,139.00	$31,500 Land $11,820 Building $19,680	$453,182 Land $170,000 Building $283,182