3155 E 104th Ave, Unit 4B, Thornton (Denver), CO 80233 Property Records

Adams County property record for 3155 E 104th Ave, Unit 4B, Thornton, CO 80233

Property Summary

Property Type	Condominium
Details	3 bd · 3 ba · 1,425 sqft · built 2005
Lot Size	0.019 acres (849 sqft)
Owner	Individual Name on File
Last Sale	$315,000 (Nov 2019)
Tax Bill	$1,108 (2025)
Deeds & Mortgages	Nov 2019 Sale
Flood Zone	Zone X (minimal risk)
APN	`R0164913`

Property Details

APN / Parcel Number

Primary APN	`R0164913`
Alternative APNs	`0171912301030` `171912424030`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Plumbing Fixtures	12 Plumbing Fixtures
Total Rooms	5 Rooms
Units	3 Units
Stories	2 Stories
Building Area	1,425 sqft Living Area
Basement Area	308 sqft
Finished Basement	131 sqft
Interior Walls	Wallboard/Drywall
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2005
Effective Year Built	Effective 2019
Architectural Style	Other
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Foundation Type	Concrete
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	849 sqft (0.019 acres)
Garage Type	Built-in
Garage Area	473 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Open Porch
Porch Area	108 sqft
Deck Area	98 sqft
Patio Area	98 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC

Location & Zoning

Account Number	R0164913
Old Parcel Number	171912424030
Street Address	3155 E 104TH AVE UNIT 4B, 4B
City	THORNTON
State	CO
Zip	80233-4212
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Legal Description	CONDO: SAGE VALLEY CONDOMINIUMS UNIT:4B DESC:BLDG 4
Legal Range	68W
Legal Township	02S
Legal Section	12
Legal Quarter	NW
Legal Subdivision	SAGE VALLEY CONDOMINIUMS
Legal Lot Number	4B
Legal Unit	4B
Jurisdiction	ADAMS CO
Township / Civil Division	WEST ADAMS
Census Block Group	2
Census Block	2002
Census Tract	8533

Owner

Source: Adams County records · APN R0164913

Assessment roll updated August 25, 2025 · Last verified February 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 File
Mailing Address	6407 71ST ST, MIDDLE VILLAGE, NY 11379-1832
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Nov 15, 2019 · Amount on Record
Deed Sale	Nov 15, 2019 · Amount on Record
Prior Sale	Aug 02, 2010
Deed Document Number	2019000099523
Record Updated	Jun 08, 2026

November 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	ADAMS CO
Recording Date	Nov 15, 2019
Property Address	3155 E 104TH AVE UNIT 4B, 4B, THORNTON, CO 80233-4212
Document Number	0000099523
Instrument Date	Nov 14, 2019
Instrument	99523
Transaction Type	Transfer
Record Updated	Nov 27, 2019
Title Company	HERITAGE TITLE COMPANY, HERITAGE TITLE CO.

Transaction

Amount	Amount Recorded
Tax	$31.50
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Sole Owner
Address	3155 E 104TH AVE #4B THORNTON CO 802334212, 4B, THORNTON, CO 80233-4212

Tax Assessment & Valuation

Source: Adams County records · Assessment roll updated August 25, 2025 · Last verified February 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

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.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$1,108.00 (-64.59%)	$26,130 (-8.89%) Land $5,000 Building $21,130	$418,000 (-1.42%) Land $80,000 Building $338,000
2023	$3,129.00 (+9.14%)	$28,680 (+10.18%) Land $3,990 Building $24,690	$424,000 (+13.2%) Land $59,000 Building $365,000
2022	$2,867.00	$26,030 Land $8,200 Building $17,830	$374,564 Land $118,000 Building $256,564

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 2, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Low lower than 99.1% of the US · lower than 99.6% of Colorado
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
JAB Wireless Fixed Wireless	100 / 20
T-Mobile USA Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Aerux, BIF IV Intrepid HoldCo, Lumen Technologies, Verizon.

Based on FCC filings for 721 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF THORNTON serves 226,465 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.