4435 E 123rd Ave, Thornton, CO 80241 Property Records

Adams County property record for 4435 E 123rd Ave, Thornton, CO 80241

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,475 sqft · built 1980
Lot Size	0.205 acres (8,932 sqft)
Owner	Individual Name on Record
Last Sale	$160,000 (Mar 2012)
Tax Bill	$1,197 (2025)
Deeds & Mortgages	Nov 2021 Mortgage May 2023 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1571-31-3-02-012`

Property Details

APN / Parcel Number

Primary APN	`1571-31-3-02-012`
Alternative APNs	`0157131302012` `R0011499`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Plumbing Fixtures	12 Plumbing Fixtures
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,475 sqft Living Area
Gross Area	2,675 sqft
1st Floor Area	725 sqft
2nd Floor Area	750 sqft
Basement Area	725 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1980
Effective Year Built	Effective 1980
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	8,932 sqft (0.205 acres)
Lot Dimensions	116 ft deep x 77 ft wide
View / Lot	Open Space
Garage Type	Attached
Garage Area	475 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Porch
Porch Area	408 sqft
Shed	1 Shed
Shed Area	144 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0011499
Street Address	4435 E 123RD AVE
City	THORNTON
State	CO
Zip	80241-3645
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	SUB:NORTHAVEN BLK:16 LOT:12
Legal Range	67W
Legal Township	01S
Legal Section	31
Legal Quarter	3
Legal Subdivision	NORTHAVEN
Legal Block	16
Legal Lot Number	12
Jurisdiction	ADAMS CO
Township / Civil Division	WEST ADAMS
Census Block Group	2
Census Block	2008
Census Tract	8547

Owner

Source: Adams County records, as of January 21, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Individual Name on Record
Mailing Address	4435 E 123RD AVE, THORNTON, CO 80241-3645
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single

Deeds, Mortgages & Sale History

Date	Document
Nov 19, 2021	Deed of Trust, Mortgage METRUM COMMUNITY CU
May 5, 2023	Quit Claim Deed, Transfer Quitclaim
Feb 15, 2023	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 22, 2012 · Amount on Record
Deed Sale	Mar 22, 2012 · Amount on Record
Prior Sale	Dec 10, 2007
Deed Document Number	201221547
Prior Transfer Date	Oct 10, 2007
Prior Transfer Doc	0000095812
Record Updated	Oct 29, 2026

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ADAMS CO
Property Address	4435 E 123RD AVE, THORNTON, CO 80241-3645
Transaction Type	Mortgage
Record Updated	May 15, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000136322
Date	Nov 19, 2021
Instrument	2021000136322

Lender

Name	METRUM COMMUNITY CU
Type	Credit Union
Address	ENGLEWOOD, CO 80112

Agreement

Amount	Amount Recorded
Term	181 Months
Due	Dec 1, 2036

May 2023: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ADAMS CO
Recording Date	May 5, 2023
Property Address	4435 E 123RD AVE, THORNTON, CO 80241-3645
Document Number	0000025122
Instrument Date	May 4, 2023
Instrument	2023000025122
Transaction Type	Transfer
Record Updated	May 15, 2023

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4435 E 123RD AVE, THORNTON, CO 80241-3645

February 2023: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ADAMS CO
Recording Date	Feb 15, 2023
Property Address	4435 E 123RD AVE, THORNTON, CO 80241-3645
Document Number	0000008263
Instrument Date	Feb 14, 2023
Instrument	2023000008263
Transaction Type	Transfer
Record Updated	May 15, 2023

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	4435 E 123RD AVE, THORNTON, CO 80241-3645

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4435 E 123RD AVE, THORNTON, CO 80241-3645

Tax Assessment & Valuation

Source: Adams County assessment roll, as of January 21, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$1,197.00 (-62.26%)	$30,740 (-10.56%) Land $6,530 Building $24,210	$452,000 (-11.02%) Land $96,000 Building $356,000
2024	$3,172.00 (-15.39%)
2023	$3,749.00 (+10.26%)	$34,370 (+11.34%) Land $5,820 Building $28,550	$508,000 (+14.38%) Land $86,000 Building $422,000
2022	$3,400.00	$30,870 Land $11,960 Building $18,910	$444,134 Land $172,000 Building $272,134

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
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
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	Not rated no burnable land within 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 719 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
Verizon Fixed Wireless	300 / 20
CenturyLink DSL · Fiber in parts of the area	140 / 20

May also be available: AT&T, T-Mobile.

Cell Coverage

5G (outdoors only) and 4G LTE

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