4040 E 129th Way, Thornton, CO 80241 Property Records

Adams County property record for 4040 E 129th Way, Thornton, CO 80241

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 1,747 sqft · built 1988
Lot Size	0.169 acres (7,405 sqft)
Owner	Individual Name on Record
Last Sale	$532,000 (Jan 2023)
Tax Bill	$1,380 (2025)
Deeds & Mortgages	Jan 2023 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`R0010479`

Property Details

APN / Parcel Number

Primary APN	`R0010479`
Alternative APNs	`0157130321008` `157130321008`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Plumbing Fixtures	12 Plumbing Fixtures
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,747 sqft Living Area
1st Floor Area	872 sqft
2nd Floor Area	875 sqft
Basement Area	592 sqft
Interior Walls	Wallboard/Drywall
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1988
Architectural Style	Split Level
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	7,405 sqft (0.169 acres)
Lot Dimensions	122 ft deep x 61 ft wide
Garage Type	Attached
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch
Porch Area	342 sqft
Deck Area	236 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air

Location & Zoning

Account Number	R0010479
Old Parcel Number	157130321008
Street Address	4040 E 129TH WAY
City	THORNTON
State	CO
Zip	80241-2276
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	SUB:COUNTRY HILLS NO 2 BLK:2 LOT:6
Legal Range	67W
Legal Township	01S
Legal Section	30
Legal Quarter	SW
Legal Subdivision	COUNTRY HILLS NO 2
Legal Block	2
Legal Lot Number	6
Jurisdiction	ADAMS CO
Township / Civil Division	WEST ADAMS
Census Block Group	4
Census Block	4009
Census Tract	8524

Owner

Source: Adams County records, as of February 9, 2026

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

Owner of Record	Individual Name on Record
Co-owner	Co-owner on Record
Mailing Address	4040 E 129TH WAY, THORNTON, CO 80241-2276
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 10, 2023 · Amount on Record
Deed Sale	Jan 10, 2023 · Amount on Record
Prior Sale	Apr 3, 1996
Deed Document Number	2023000001287
Record Updated	Jun 8, 2026

January 2023: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	ADAMS CO
Recording Date	Jan 10, 2023
Property Address	4040 E 129TH WAY, THORNTON, CO 80241-2276
Document Number	0000001287
Instrument Date	Dec 28, 2022
Instrument	2023000001287
Transaction Type	Transfer
Record Updated	Jan 17, 2023
Title Company	HERITAGE TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$53.20
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	4040 E 129TH WAY, THORNTON, CO 80241-2276

Mortgage

Document Number	0000001288
Date	Jan 10, 2023
Instrument	2023000001288

Lender

Name	CMG MORTGAGE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2053

Interest

Rate Type	Adjustable Rate
Rate	5.25%
Adjustable	Adjustable Rate Rider
Type Change Date	Feb 1, 2033
Change Frequency	6 Months
Min Rate At Change	3%
Max Rate At Change	10.2%
Index	6-Month LIBOR
Margin	3
Max Rate	10.2%

Tax Assessment & Valuation

Source: Adams County assessment roll, as of August 25, 2025

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$1,380.00 (-65.63%)	$32,560 (-11.52%) Land $8,560 Building $24,000	$521,000 (-4.23%) Land $137,000 Building $384,000
2023	$4,015.00 (+8.9%)	$36,800 (+9.95%) Land $6,830 Building $29,970	$544,000 (+12.95%) Land $101,000 Building $443,000
2022	$3,687.00	$33,470 Land $14,040 Building $19,430	$481,620 Land $202,000 Building $279,620

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.

Flood

Source: FEMA National Flood Hazard Layer, effective October 2, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

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

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 98% of the US · lower than 99.2% of Colorado
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF THORNTON serves 226,465 people · EPA ID CO0101150
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, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 831 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Rise Broadband Fixed Wireless	500 / 100
CenturyLink DSL · Fiber in parts of the area	140 / 20

May also be available: Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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