450 E 134th Ave, Thornton, CO 80241 Property Records

Adams County property record for 450 E 134th Ave, Thornton, CO 80241

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 2,293 sqft · built 1999
Lot Size	0.189 acres (8,276 sqft)
Owner	2 Individual Names on File
Last Sale	$397,000 (Aug 2015)
Tax Bill	$1,781 (2025)
Deeds & Mortgages	Mar 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`R0018666`

Property Details

APN / Parcel Number

Primary APN	`R0018666`
Alternative APNs	`0157327004007` `157327004007`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Plumbing Fixtures	16 Plumbing Fixtures
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,293 sqft Living Area
1st Floor Area	1,087 sqft
2nd Floor Area	1,206 sqft
Basement Area	599 sqft
Finished Basement	500 sqft
Interior Walls	Wallboard/Drywall
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1999
Architectural Style	Other
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	8,276 sqft (0.189 acres)
Garage Type	Attached
Garage Area	571 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch
Porch Area	320 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air

Location & Zoning

Account Number	R0018666
Old Parcel Number	157327004007
Street Address	450 E 134TH AVE
City	THORNTON
State	CO
Zip	80241-1721
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	SUB:ROLLING HILLS 2ND FILING BLK:3 LOT:7
Legal Range	68W
Legal Township	01S
Legal Section	27
Legal Subdivision	ROLLING HILLS
Legal Block	3
Legal Lot Number	7
Jurisdiction	ADAMS CO
Township / Civil Division	WEST ADAMS
Census Block Group	1
Census Block	1033
Census Tract	8526

Owner

Source: Adams County records · APN R0018666

Assessment roll updated August 25, 2025 · Last verified February 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	450 E 134TH AVE, THORNTON, CO 80241-1721
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Aug 12, 2015 · Amount on Record
Deed Sale	Aug 12, 2015 · Amount on Record
Prior Sale	Jul 23, 2003 · Amount on Record
Deed Document Number	2015000066380
Record Updated	Jun 08, 2026

March 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ADAMS CO
Property Address	450 E 134TH AVE, THORNTON, CO 80241-1721
Document Number	0000024023
Instrument Date	Mar 05, 2020
Transaction Type	Mortgage
Record Updated	Apr 03, 2020
Title Company	FIRST INTEGRITY TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4150 E 134TH DR DENVER CO 802411506, DENVER, CO 80241-1506

Mortgage

Document Number	0000024023
Date	Mar 12, 2020
Instrument	24023

Lender

Name	AMERICAN FINANCING
Type	Funding / Finance Company
Address	AURORA, CO 80014

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Mar 11, 2050

Tax Assessment & Valuation

Source: Adams County records · Assessment roll updated August 25, 2025 · Last verified February 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	$1,781.00 (-65.77%)	$42,010 (-11.91%) Land $7,880 Building $34,130	$672,000 (-4.68%) Land $126,000 Building $546,000
2023	$5,203.00 (+15.7%)	$47,690 (+16.8%) Land $8,520 Building $39,170	$705,000 (+20.01%) Land $126,000 Building $579,000
2022	$4,497.00	$40,830 Land $17,520 Building $23,310	$587,460 Land $252,000 Building $335,460

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 2, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Low lower than 93% of the US · lower than 97.2% of Colorado
Wildfire Likelihood	0.04% annual chance
Exposure	Direct burnable vegetation at the parcel

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Lumen Technologies Fiber	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20

May also be available: Aerux.

Based on FCC filings for 23 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF THORNTON serves 226,465 people
Water Source	Surface water
Last State Inspection	Jul 2024
Lead	2 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	3 last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.