3678 E 91st Ave, Thornton (Denver), CO 80229 Property Records

Adams County property record for 3678 E 91st Ave, Thornton, CO 80229

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,152 sqft · built 1972
Lot Size	0.169 acres (7,405 sqft)
Owner	Individual Name on Record
Last Sale	$91,000 (Jul 2012)
Tax Bill	$1,076 (2025)
Deeds & Mortgages	Dec 2020 Mortgage Mar 2018 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`R0054549`

Property Details

APN / Parcel Number

Primary APN	`R0054549`
Alternative APNs	`0171924410015` `171924410015`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Plumbing Fixtures	6 Plumbing Fixtures
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,152 sqft Living Area
1st Floor Area	1,152 sqft
Basement Area	1,152 sqft
Finished Basement	500 sqft
Interior Walls	Wallboard/Drywall
Fireplace	Fireplace

Exterior

Year Built	Built 1972
Architectural Style	Ranch
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	7,405 sqft (0.169 acres)
Lot Dimensions	100 ft deep x 72 ft wide
Garage Type	Detached
Garage Area	576 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Porch Area	230 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air

Location & Zoning

Account Number	R0054549
Old Parcel Number	171924410015
Street Address	3678 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:8
Legal Range	68W
Legal Township	02S
Legal Section	24
Legal Quarter	SE
Legal Subdivision	THORNTON VALLEY EAST THIRD FILING
Legal Block	12
Legal Lot Number	8
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 February 9, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	3678 E 91ST AVE, THORNTON, CO 80229-4024
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Dec 1, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage QUICKEN LOANS LLC
Mar 10, 2018	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 11, 2012 · Amount on Record
Deed Sale	Jul 11, 2012 · Amount on Record
Prior Sale	Jul 11, 2012 · Amount on Record
Deed Document Number	0000049697
Last Transfer Date	Dec 1, 2020
Transfer Doc	0000123768
Record Updated	Jun 8, 2026

December 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ADAMS CO
Recording Date	Dec 1, 2020
Property Address	3678 E 91ST AVE, THORNTON, CO 80229-4024
Document Number	0000123768
Instrument Date	Nov 20, 2020
Instrument	2020000123768
Transaction Type	Transfer
Record Updated	Jul 26, 2022

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Severalty
Address	3678 E 91ST AVE, THORNTON, CO 80229-4024

Mortgage

Document Number	0000123769
Date	Dec 1, 2020
Instrument	2020000123769

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Dec 1, 2050

March 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ADAMS CO
Property Address	3678 E 91ST AVE, THORNTON, CO 80229-4024
Document Number	0000021451
Instrument Date	Mar 10, 2018
Transaction Type	Mortgage
Record Updated	Mar 23, 2018
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3678 E 91ST AVE THORNTON CO 802294024, THORNTON, CO 80229-4024

Mortgage

Document Number	0000021451
Date	Mar 15, 2018
Instrument	21451

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Mar 14, 2048

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	Mapleton School District 1 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$1,076.00 (-61.82%)	$25,380 (-11.07%) Land $5,630 Building $19,750	$406,000 (-3.79%) Land $90,000 Building $316,000
2023	$2,818.00 (-0.04%)	$28,540 (+0.88%) Land $5,610 Building $22,930	$422,000 (+3.68%) Land $83,000 Building $339,000
2022	$2,819.00	$28,290 Land $11,540 Building $16,750	$407,038 Land $166,000 Building $241,038

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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