4465 E 121st Pl, Thornton, CO 80241 Property Records

Adams County property record for 4465 E 121st Pl, Thornton, CO 80241

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,200 sqft · built 1980
Lot Size	0.232 acres (10,086 sqft)
Owner	2 Individual Names on Record
Last Sale	$515,000 (Jun 2025)
Tax Bill	$3,550 (2025)
Deeds & Mortgages	Jun 2021 Mortgage Mar 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1571-31-3-12-004`

Property Details

APN / Parcel Number

Primary APN	`1571-31-3-12-004`
Alternative APNs	`0157131312004` `R0011646`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Plumbing Fixtures	12 Plumbing Fixtures
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,200 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
Fireplaces	1 Fireplace
Fireplace	Fireplace

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	10,086 sqft (0.232 acres)
Lot Dimensions	123 ft deep x 82 ft wide
View / Lot	Open Space
Garage Type	Attached
Garage Area	475 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0011646
Street Address	4465 E 121ST PL
City	THORNTON
State	CO
Zip	80241-3632
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	SUB:NORTHAVEN BLK:10 LOT:3
Legal Range	67W
Legal Township	01S
Legal Section	31
Legal Quarter	3
Legal Subdivision	NORTHAVEN
Legal Block	10
Legal Lot Number	3
Jurisdiction	ADAMS CO
Township / Civil Division	WEST ADAMS
Census Block Group	2
Census Block	2013
Census Tract	8547

Owner

Source: Adams County records, as of August 12, 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 Record
Mailing Address	4465 E 121ST PL, THORNTON, CO 80241-3632
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jun 22, 2021	Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA
Mar 6, 2020	Deed of Trust, Mortgage · Conventional Mortgage HORIZONS NORTH CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 3, 2025 · Amount on Record
Deed Sale	Jun 3, 2025 · Amount on Record
Prior Sale	Apr 6, 1993 · Amount on Record
Deed Document Number	202532025
Prior Transfer Date	Jul 10, 1996
Prior Transfer Doc	0000203419
Record Updated	Sep 20, 2026

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ADAMS CO
Property Address	4465 E 121ST PL, THORNTON, CO 80241-3632
Transaction Type	Mortgage
Record Updated	Jul 6, 2021
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000074231
Date	Jun 22, 2021
Instrument	2021000074231

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank
Address	COLUMBUS, OH 43240

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jun 1, 2051

March 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ADAMS CO
Property Address	4465 E 121ST PL, THORNTON, CO 80241-3632
Document Number	0000026516
Instrument Date	Mar 6, 2020
Transaction Type	Mortgage
Record Updated	Apr 3, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4465 E 121ST PL THORNTON CO 802413632, THORNTON, CO 80241-3632

Mortgage

Document Number	0000026516
Date	Mar 24, 2020
Instrument	26516

Lender

Name	HORIZONS NORTH CU
Type	Credit Union
Address	DENVER, CO 80233

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	60 Months
Due	Mar 23, 2025

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	$3,550.00 (+9.74%)	$31,550 (-9.81%) Land $6,530 Building $25,020	$464,000 (-10.25%) Land $96,000 Building $368,000
2024	$3,235.00 (-15.23%)
2023	$3,816.00 (+11.19%)	$34,980 (+12.26%) Land $5,820 Building $29,160	$517,000 (+15.32%) Land $86,000 Building $431,000
2022	$3,432.00	$31,160 Land $11,960 Building $19,200	$448,311 Land $172,000 Building $276,311

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	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.

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