3860 E 99th Ln, Thornton (Denver), CO 80229 Property Records

Adams County property record for 3860 E 99th Ln, Thornton, CO 80229

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,817 sqft · built 1992
Lot Size	0.176 acres (7,644 sqft)
Owner	2 Individual Names on File
Last Sale	$108,200 (Aug 1992)
Tax Bill	$3,206 (2025)
Deeds & Mortgages	Jul 2026 Mortgage Jul 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1719-13-4-06-005`

Property Details

APN / Parcel Number

Primary APN	`1719-13-4-06-005`
Alternative APNs	`0171913406005` `R0040337`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Plumbing Fixtures	13 Plumbing Fixtures
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,817 sqft Living Area
Gross Area	2,237 sqft
1st Floor Area	966 sqft
2nd Floor Area	851 sqft
Basement Area	620 sqft
Interior Walls	Wallboard/Drywall
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1992
Effective Year Built	Effective 1992
Architectural Style	Split Level
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	7,644 sqft (0.176 acres)
Lot Dimensions	98 ft deep x 78 ft wide
Garage Type	Attached
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0040337
Street Address	3860 E 99TH LN
City	THORNTON
State	CO
Zip	80229-2845
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	SUB:NORTH HILLS FILING NUMBER ONE SUBD BLK:18 LOT:5
Legal Range	68W
Legal Township	02S
Legal Section	13
Legal Quarter	4
Legal Subdivision	NORTH HILLS FILING NUMBER ONE SUBD
Legal Block	18
Legal Lot Number	5
Jurisdiction	ADAMS CO
Township / Civil Division	WEST ADAMS
Census Block Group	1
Census Block	1002
Census Tract	9207

Owner

Source: Adams County assessment roll, as of January 21, 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	3860 E 99TH LN, THORNTON, CO 80229-2845
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jul 17, 2026	Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC
Jul 15, 2021	Deed of Trust, Mortgage · Conventional Mortgage LADERA LENDING INC
Jun 5, 2017	Deed of Trust, Mortgage · Conventional Mortgage LOANDEPOT.COM LLC

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Aug 4, 1992 · Amount on Record
Deed Sale	Aug 4, 1992 · Amount on Record
Deed Book / Page	3936 / 564
Record Updated	Sep 20, 2026

July 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ADAMS CO
Recording Date	Jul 17, 2026
Property Address	3860 E 99TH LN, THORNTON, CO 80229-2845
Document Number	0000041923
Instrument Date	Jul 13, 2026
Instrument	202641923
Transaction Type	Mortgage
Record Updated	Jul 23, 2026
Title Company	NONE LISTED ON DOCUMENT

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3860 E 99TH LN, THORNTON, CO 80229-2845

Mortgage

Document Number	0000041923,
Date	Jul 17, 2026
Instrument	202641923

Lender

Name	ROCKET MORTGAGE LLC

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	120 Months
Due	Aug 1, 2036

Interest

Rate Type	Fixed Rate
Rate	6.52%
Initial Type	Fixed Rate
Max Rate	-1%

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ADAMS CO
Property Address	3860 E 99TH LN, THORNTON, CO 80229-2845
Transaction Type	Mortgage
Record Updated	Jul 22, 2021
Title Company	UNISOURCE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000084781
Date	Jul 15, 2021
Instrument	2021000084781

Lender

Name	LADERA LENDING INC
Type	Mortgage Company
Address	LADERA RANCH, CA 92694

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	121 Months
Due	Aug 1, 2031

June 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ADAMS CO
Property Address	3860 E 99TH LN, THORNTON, CO 80229-2845
Document Number	0000049961
Instrument Date	Jun 5, 2017
Transaction Type	Mortgage
Record Updated	Jun 22, 2017

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	3860 E 99TH LN THORNTON CO 802292845, THORNTON, CO 80229-2845

Mortgage

Document Number	0000049961
Date	Jun 12, 2017
Instrument	49961

Lender

Name	LOANDEPOT.COM LLC
Type	Funding / Finance Company
Address	FOOTHILL RANCH, CA 92610

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	120 Months
Due	Jun 11, 2027

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	Mapleton School District 1 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$3,206.00 (-14.3%)	$33,860 (-10.61%) Land $6,120 Building $27,740	$498,000 (-11.07%) Land $90,000 Building $408,000
2023	$3,741.00 (+13.99%)	$37,880 (+15.03%) Land $5,750 Building $32,130	$560,000 (+18.22%) Land $85,000 Building $475,000
2022	$3,282.00	$32,930 Land $11,820 Building $21,110	$473,683 Land $170,000 Building $303,683

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

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

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Lumen Technologies DSL · Fiber in parts of the area	140 / 20
JAB Wireless Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Aerux, T-Mobile USA.

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