3440 E 99th Way, Thornton (Denver), CO 80229 Property Records

Adams County property record for 3440 E 99th Way, Thornton, CO 80229 · Last verified April 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	2 Beds
Bathrooms	1 Baths
Year Built	Built 1980
Square Footage	900 sqft Living Area
Lot Size	7,000 sqft (0.161 acres)
Occupancy	Owner Occupied
Last Sale	$172,400 (2013)
Tax Bill	$2,406.00 (2024)

Property Details

APN / Parcel Number

Primary APN	`1719-13-4-11-034`
Alternative APNs	`0171913411034` `R0040460`

Interior

Bedrooms	2 Beds
Full Baths	1 Baths
Plumbing Fixtures	6 Plumbing Fixtures
Total Rooms	5 Rooms
Building Area	900 sqft Living Area
Gross Area	2,300 sqft Gross Area
1st Floor	900 sqft 1st Floor
Basement Area	900 sqft Basement
Stories	1 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1980
Effective Year Built	Effective 1980
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	7,000 sqft (0.161 acres)
Depth X Width	100 ft x 70 ft Depth x Width
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	500 sqft Garage

Utilities and HVAC

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

Location & Zoning

Account Number	R0040460
Street Address	3440 E 99TH WAY
City	THORNTON
State	CO
Zip	80229-2805
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	SUB:NORTH HILLS FILING NUMBER ONE SUBD BLK:6 LOT:18
Legal Range	68W
Legal Township	02S
Legal Section	13
Legal Quarter	4
Legal Subdivision	NORTH HILLS FILING NUMBER ONE SUBD
Legal Block	6
Legal Lot Number	18
Jurisdiction	ADAMS CO
Minor Civil Division	WEST ADAMS
Census Blockgroup	1
Census Block	1018
Census Tract	9207

Owner

Source: Adams County records · APN 1719-13-4-11-034

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	3440 E 99TH WAY, THORNTON, CO 80229-2805
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
Known Transactions	Last Sale Amount on Oct 28, 2013 Deed Sale Price on Oct 28, 2013 Prior Sale Amount on Nov 02, 2004
Deed Doc Number	201392783
Prior Transfer Date	Jan 25, 2002
Prior Transfer Doc	00C0926298
Record Refreshed	Jun 08, 2026

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	$1,055.00 (-56.15%)	$27,060 (-7.61%) Land $6,120 Building $20,940	$398,000 (-8.08%) Land $90,000 Building $308,000
2024	$2,406.00 (-16.83%)
2023	$2,893.00 (+4.59%)	$29,290 (+5.55%) Land $5,750 Building $23,540	$433,000 (+8.47%) Land $85,000 Building $348,000
2022	$2,766.00	$27,750 Land $11,820 Building $15,930	$399,173 Land $170,000 Building $229,173