4855 E 143rd Ave, Thornton (Brighton), CO 80602 Property Records

Adams County property record for 4855 E 143rd Ave, Thornton, CO 80602

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 2,280 sqft · built 2017
Lot Size	0.189 acres (8,250 sqft)
Owner	2 Individual Names on File
Last Sale	$531,186 (Jan 2018)
Tax Bill	$4,633 (2025)
Deeds & Mortgages	Jan 2018 Sale
Flood Zone	Zone X (minimal risk)
APN	`R0183100`

Property Details

APN / Parcel Number

Primary APN	`R0183100`
Alternative APN	`0157119103010`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Plumbing Fixtures	13 Plumbing Fixtures
Total Rooms	6 Rooms
Stories	1 Story
Building Area	2,280 sqft Living Area
1st Floor Area	2,280 sqft
Basement Area	2,280 sqft
Finished Basement	1,456 sqft
Interior Walls	Wallboard/Drywall
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2017
Architectural Style	Ranch
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	8,250 sqft (0.189 acres)
Garage Type	Attached
Garage Area	669 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch
Porch Area	327 sqft

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Account Number	R0183100
Street Address	4855 E 143RD AVE
City	THORNTON
State	CO
Zip	80602-8919
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LEWIS POINTE SUBD AMND NO 1 BLK 20 LOT 5A
Legal Subdivision	LEWIS POINTE SUBDIVISION PLAT
Legal Block	20
Legal Lot Number	5A
Jurisdiction	ADAMS CO
Township / Civil Division	WEST ADAMS
Census Block Group	6
Census Block	6008
Census Tract	8524

Owner

Source: Adams County records · APN R0183100

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	4855 E 143RD AVE, THORNTON, CO 80602-8919
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jan 03, 2018 · Amount on Record
Deed Sale	Jan 03, 2018 · Amount on Record
Deed Document Number	2018000000487
Record Updated	Jun 08, 2026

January 2018: Grant Deed, Subdivision Related Transfer

Document Type	Grant Deed
Jurisdiction	ADAMS CO
Recording Date	Jan 03, 2018
Property Address	4855 E 143RD AVE, THORNTON, CO 80602-8919
Document Number	0000000487
Instrument Date	Dec 29, 2017
Instrument	487
Transaction Type	Subdivision Related Transfer
Record Updated	Jan 16, 2018
Title Company	OTHER

Transaction

Amount	Amount Recorded
Tax	$53.12
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	4855 E 143RD AVE THORNTON CO 806028919, THORNTON, CO 80602-8919

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	$4,633.00 (-43.85%)	$46,690 (-10.09%) Land $9,880 Building $36,810	$747,000 (-3.61%) Land $158,000 Building $589,000
2024	$8,251.00 (-11.82%)	$51,930 (-0.95%) Land $6,700 Building $45,230	$775,000 (-) Land $100,000 Building $675,000
2023	$9,357.00 (+5.84%)	$52,430 (+6.85%) Land $6,770 Building $45,660	$775,000 (+9.76%) Land $100,000 Building $675,000
2022	$8,841.00	$49,070 Land $13,900 Building $35,170	$706,059 Land $200,000 Building $506,059

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Adams County (08001C), updated October 2, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · 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 99.1% of the US · lower than 99.6% of Colorado
Wildfire Likelihood	Under 0.01% 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, availability as of December 31, 2025 · sampled at 154 locations within half a mile · Last verified October 2026

Provider	Max Down / Up (Mbps)
Lumen Technologies Fiber	2,000 / 1,000
Xfinity Cable	2,000 / 250
JAB Wireless Fixed Wireless	500 / 100
Verizon Fixed Wireless	300 / 20

May also be available: Aerux.

Drinking Water

Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, 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.