4128 E 139th Pl, Thornton (Brighton), CO 80602 Property Records

Adams County property record for 4128 E 139th Pl, Thornton, CO 80602

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 3,100 sqft · built 2007
Lot Size	0.196 acres (8,581 sqft)
Owner	2 Owner Names on File
Last Sale	$364,205 (Dec 2007)
Tax Bill	$1,905 (2025)
Deeds & Mortgages	Apr 2020 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`R0157123`

Property Details

APN / Parcel Number

Primary APN	`R0157123`
Alternative APNs	`0157119304014` `157119304014`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Plumbing Fixtures	17 Plumbing Fixtures
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	3,100 sqft Living Area
1st Floor Area	1,609 sqft
2nd Floor Area	1,491 sqft
Basement Area	1,571 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2007
Architectural Style	Other
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	8,581 sqft (0.196 acres)
Garage Type	Attached
Garage Area	950 sqft
Parking Spaces	4 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air

Location & Zoning

Account Number	R0157123
Old Parcel Number	157119304014
Street Address	4128 E 139TH PL
City	THORNTON
State	CO
Zip	80602-8815
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	SUB:HOMESTEAD HILLS SUBD FILING NO 3 BLK:3 LOT:6
Legal Range	67W
Legal Township	01S
Legal Section	19
Legal Quarter	SW
Legal Subdivision	HOMESTEAD HILLS SUBD FILING NO 3
Legal Block	3
Legal Lot Number	6
Jurisdiction	ADAMS CO
Township / Civil Division	WEST ADAMS
Census Block Group	5
Census Block	5018
Census Tract	8524

Owner

Source: Adams County records · APN R0157123

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 Owner Names on File
Mailing Address	4128 E 139TH PL, THORNTON, CO 80602-8815
Occupancy	Owner Occupied

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Dec 24, 2007 · Amount on Record
Deed Sale	Dec 24, 2007 · Amount on Record
Deed Document Number	2007000116954
Record Updated	Jun 08, 2026

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ADAMS CO
Property Address	4128 E 139TH PL, THORNTON, CO 80602-8815
Document Number	0000039245
Instrument Date	Apr 08, 2020
Transaction Type	Mortgage
Record Updated	May 05, 2020
Title Company	SOLIDIFI US INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Married Couple
Address	4128 E 139TH PL THORNTON CO 806028815, THORNTON, CO 80602-8815

Mortgage

Document Number	0000039245
Date	Apr 29, 2020
Instrument	39245

Lender

Name	US BK
Type	Bank
Address	BRIGHTON, CO 80602

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Apr 28, 2050

Interest

Rate Type	Adjustable Rate

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	$1,905.00 (-65.22%)	$44,940 (-10.46%) Land $9,000 Building $35,940	$719,000 (-3.1%) Land $144,000 Building $575,000
2023	$5,477.00 (+17.26%)	$50,190 (+18.34%) Land $8,860 Building $41,330	$742,000 (+21.56%) Land $131,000 Building $611,000
2022	$4,671.00	$42,410 Land $18,200 Building $24,210	$610,394 Land $262,000 Building $348,394

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
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Low lower than 94% of the US · lower than 97.5% of Colorado
Wildfire Likelihood	0.02% annual chance
Exposure	None beyond ember reach

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 · DSL in parts of the area	8,000 / 8,000
Xfinity Cable	2,000 / 250
JAB Wireless Fixed Wireless	500 / 100
Verizon Fixed Wireless	300 / 20

May also be available: Aerux.

Based on FCC filings for 494 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.