3688 E 91st Ave, Thornton (Denver), CO 80229 Property Records

Adams County property record for 3688 E 91st Ave, Thornton, CO 80229

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 1,200 sqft · built 1972
Lot Size	0.185 acres (8,050 sqft)
Owner	2 Individual Names on Record
Last Sale	$463,000 (Jun 2021)
Tax Bill	$3,161 (2025)
Deeds & Mortgages	Jun 2021 Sale & Mortgage Mar 2021 Sale & Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1719-24-4-10-014`

Property Details

APN / Parcel Number

Primary APN	`1719-24-4-10-014`
Alternative APNs	`0171924410014` `R0054548`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Plumbing Fixtures	10 Plumbing Fixtures
Total Rooms	7 Rooms
Stories	1 Story
Building Area	2,000 sqft Living Area
Gross Area	2,630 sqft
1st Floor Area	1,200 sqft
Basement Area	912 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1972
Effective Year Built	Effective 2021
Architectural Style	Ranch
Exterior Material	Frame Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	8,050 sqft (0.185 acres)
Lot Dimensions	115 ft deep x 70 ft wide
Garage Type	Attached
Garage Area	288 sqft
Parking Spaces	1 Parking Space
Porch	Slab
Porch Area	200 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0054548
Street Address	3688 E 91ST AVE
City	THORNTON
State	CO
Zip	80229-4024
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	SUB:THORNTON VALLEY EAST THIRD FILING BLK:12 LOT:9
Legal Range	68W
Legal Township	02S
Legal Section	24
Legal Quarter	4
Legal Subdivision	THORNTON VALLEY EAST THIRD FILING
Legal Block	12
Legal Lot Number	9
Jurisdiction	ADAMS CO
Township / Civil Division	WEST ADAMS
Census Block Group	2
Census Block	2022
Census Tract	9104

Owner

Source: Adams County records, as of October 13, 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	3688 E 91ST AVE, THORNTON, CO 80229-4024
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jun 15, 2021	Warranty Deed, Transfer · FHA Mortgage AMERICAN FINANCING CORP
Mar 10, 2021	Special Warranty Deed, Transfer · Line of Credit LEAD FUNDING LLC
Mar 10, 2021	Personal Representative Deed, Transfer TRIAD NATIONAL TITLE LLC, TIAGO NATIONAL TITLE LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 15, 2021 · Amount on Record
Deed Sale	Jun 15, 2021 · Amount on Record
Prior Sale	Mar 10, 2021 · Amount on Record
Deed Document Number	202171295
Prior Transfer Date	Oct 31, 2014
Prior Transfer Doc	0000087719
Record Updated	Oct 29, 2026

June 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	ADAMS CO
Recording Date	Jun 15, 2021
Property Address	3688 E 91ST AVE, THORNTON, CO 80229-4024
Document Number	0000071295
Instrument Date	May 18, 2021
Instrument	2021000071295
Transaction Type	Transfer
Record Updated	Jul 26, 2022
Title Company	FIRST AMERICAN TITLE, FIRST AMERICNA TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$46.30
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	3688 E 91ST AVE, THORNTON, CO 80229-4024

Mortgage

Document Number	0000071296
Date	Jun 15, 2021
Instrument	2021000071296

Lender

Name	AMERICAN FINANCING CORP
Type	Lending Institution

Agreement

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

March 2021: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	ADAMS CO
Recording Date	Mar 10, 2021
Property Address	3688 E 91ST AVE, THORNTON, CO 80229-4024
Document Number	0000029028
Instrument Date	Feb 25, 2021
Instrument	2021000029028
Transaction Type	Transfer
Record Updated	Jul 11, 2023
Title Company	NOT AVAILABLE, TIAGO NATIONAL TITLELLC

Transaction

Amount	Amount Recorded
Tax	$35.17
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	9231 GARFIELD ST, THORNTON, CO 80229-4268

Mortgage

Document Number	0000029029
Date	Mar 10, 2021
Instrument	2021000029029

Lender

Name	LEAD FUNDING LLC
Type	Lending Institution

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	5 Months
Due	Aug 25, 2021

March 2021: Personal Representative Deed, Transfer

Document Type	Personal Representative Deed
Jurisdiction	ADAMS CO
Recording Date	Mar 10, 2021
Property Address	3688 E 91ST AVE, THORNTON, CO 80229-4024
Document Number	0000029026
Instrument Date	Feb 25, 2021
Instrument	2021000029026
Transaction Type	Transfer
Record Updated	Jul 26, 2022
Title Company	TRIAD NATIONAL TITLE LLC, TIAGO NATIONAL TITLE LLC

Transaction

Amount	Amount Recorded
Tax	$32.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	520 29 1 2 ROAD #B113B113, 520, GRAND JUNCTION, CO 81505

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2000 S COLORADO BLVD STE 1300, 1300, DENVER, CO 80222-7942
Investor	Possibly a Property Investor

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	$3,161.00 (-10.2%)	$33,390 (-6.34%) Land $6,120 Building $27,270	$491,000 (-6.83%) Land $90,000 Building $401,000
2023	$3,520.00 (+27.95%)	$35,650 (+29.17%) Land $5,610 Building $30,040	$527,000 (+32.72%) Land $83,000 Building $444,000
2022	$2,751.00	$27,600 Land $11,540 Building $16,060	$397,079 Land $166,000 Building $231,079

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 500 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	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

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 356 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

May also be available: Aerux Broadband, CenturyLink, T-Mobile.

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