4510 E 121st Ct, Thornton, CO 80241 Property Records

Adams County property record for 4510 E 121st Ct, Thornton, CO 80241

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 1,695 sqft · built 1979
Lot Size	0.2 acres (8,712 sqft)
Owner	2 Individual Names on Record
Tax Bill	$996 (2025)
Deeds & Mortgages	Oct 2017 Mortgage Jan 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`R0011701`

Property Details

APN / Parcel Number

Primary APN	`R0011701`
Alternative APNs	`0157131320002` `157131320002`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Plumbing Fixtures	11 Plumbing Fixtures
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,695 sqft Living Area
1st Floor Area	1,019 sqft
2nd Floor Area	676 sqft
Basement Area	576 sqft
Interior Walls	Wallboard/Drywall
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1979
Architectural Style	Split Level
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	8,712 sqft (0.2 acres)
Lot Dimensions	107 ft deep x 82 ft wide
Garage Type	Attached
Garage Area	441 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch
Porch Area	470 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air

Location & Zoning

Account Number	R0011701
Old Parcel Number	157131320002
Street Address	4510 E 121ST CT
City	THORNTON
State	CO
Zip	80241-3649
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	SUB:NORTHAVEN BLK:2 LOT:8
Legal Range	67W
Legal Township	01S
Legal Section	31
Legal Quarter	NE
Legal Subdivision	NORTHAVEN
Legal Block	2
Legal Lot Number	8
Jurisdiction	ADAMS CO
Township / Civil Division	WEST ADAMS
Census Block Group	2
Census Block	2005
Census Tract	8547

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	2 Individual Names on Record
Mailing Address	4510 E 121ST CT, DENVER, CO 80241-3649
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Oct 30, 2017	Deed of Trust, Mortgage · VA Mortgage THE FEDERAL SAVINGS BANK
Jan 12, 2021	Deed of Trust, Mortgage · VA Mortgage PARAMOUNT EQUITY MORTGAGE LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Record Updated	Jun 8, 2026

October 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ADAMS CO
Property Address	4510 E 121ST CT, THORNTON, CO 80241-3649
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000095124
Date	Oct 30, 2017
Instrument	2017000095124

Lender

Name	THE FEDERAL SAVINGS BANK
Type	Bank
Address	CHICAGO, IL 60607

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	325 Months
Due	Nov 1, 2044

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ADAMS CO
Property Address	4510 E 121ST CT, THORNTON, CO 80241-3649
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	NATIONAL CLOSING SOLUTIONS

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000003275
Date	Jan 12, 2021
Instrument	2021000003275

Lender

Name	PARAMOUNT EQUITY MORTGAGE LLC
Type	Mortgage Company
Address	ROSEVILLE, CA 95661

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2051

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	$996.00 (-74.63%)	$23,500 (-34.7%) Land $4,740 Building $18,760	$476,000 (-10.53%) Land $96,000 Building $380,000
2023	$3,926.00 (+13.34%)	$35,990 (+14.44%) Land $5,820 Building $30,170	$532,000 (+17.59%) Land $86,000 Building $446,000
2022	$3,464.00	$31,450 Land $11,960 Building $19,490	$452,429 Land $172,000 Building $280,429

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

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 820 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
CenturyLink Fiber · DSL in parts of the area	8,000 / 8,000
Xfinity Cable	2,000 / 250
Rise Broadband Fixed Wireless	300 / 60
Verizon Fixed Wireless	300 / 20

May also be available: AT&T, Intrepid Fiber Networks, T-Mobile, Ting.

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