910 Union Ave, Boulder, CO 80304 Property Records

Boulder County property record for 910 Union Ave, Boulder, CO 80304 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	4 Beds
Bathrooms	3.25 Baths
Year Built	Built 2004
Square Footage	2,266 sqft Living Area
Lot Size	7,077 sqft (0.163 acres)
Occupancy	Owner Occupied
Last Sale	$1,016,500 (2013)
Tax Bill	$11,351.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1461-13-1-38-001`
Alternative APNs	`R0146027` `0146027`

Interior

Bedrooms	4 Beds
Full Baths	3.25 Baths
Partial Baths	2 Partial Baths
Total Rooms	7 Rooms
Building Area	2,266 sqft Living Area
1st Floor	1,139 sqft 1st Floor
Upper Floors	269 sqft Upper Floors
Stories	2 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 2004
Effective Year Built	Effective 2004
Architectural Style	A-Frame Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Roof Material	Metal Roof
Lot Area	7,077 sqft (0.163 acres)
Parking Spaces	3 Parking Spaces
Garage Type	Detached Garage
Garage Area	276 sqft Garage
Deck Area	84 sqft Deck
Patio Area	276 sqft Patio

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Radiant Heating

Location & Zoning

Account Number	R0146027
Street Address	910 UNION AVE
City	BOULDER
State	CO
Zip	80304-0779
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 1 DAWN
Legal Range	71
Legal Township	1N
Legal Section	13
Legal Subdivision	DAWN - BO
Legal Block	1
Legal Lot Number	1
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	1
Census Block	1018
Census Tract	12104

Owner

Source: Boulder County records · APN 1461-13-1-38-001

Assessment roll updated June 15, 2026 · Last verified June 2026

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

Owner of Record	2 Individuals Owners
Mailing Address	910 UNION AVE, BOULDER, CO 80304-0779
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Known Transactions	Last Sale Amount on Feb 26, 2013 Deed Sale Price on Feb 26, 2013 Prior Sale Amount on Dec 01, 2010
Deed Doc Number	20133292848
Prior Transfer Date	May 14, 2009
Prior Transfer Doc	0003000914
Record Refreshed	Sep 20, 2026

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	910 UNION AVE, BOULDER, CO 80304-0779
Transaction Type	Mortgage
Record Updated	Mar 31, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003817016
Date	Sep 21, 2020
Instrument	3817016

Lender

Name	REDSTONE BANK
Type	Bank
Address	AURORA, CO 80016

Agreement

Type	Line of Credit
Amount	Amount Recorded

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (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
2026		$130,900 (+8.8%) Land $68,170 Building $62,730	$1,925,000 (-) Land $1,002,500 Building $922,500
2025	$11,351.00 (+0.75%)	$120,312 (-11.32%) Land $62,656 Building $57,656	$1,925,000 (-4.94%) Land $1,002,500 Building $922,500
2023	$11,266.00 (-1.14%)	$135,675 (+9.36%) Land $68,380 Building $67,295	$2,025,000 (+13.45%) Land $1,020,600 Building $1,004,400
2022	$11,396.00	$124,058 Land $54,787 Building $69,271	$1,785,000 Land $788,300 Building $996,700