905 Union Ave, Boulder, CO 80304 Property Records

Boulder County property record for 905 Union Ave, Boulder, CO 80304 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	2.75 Baths
Year Built	Built 1999
Square Footage	3,608 sqft Living Area
Lot Size	6,980 sqft (0.16 acres)
Occupancy	Owner Occupied
Last Sale	$675,000 (2000)
Tax Bill	$11,640.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1461-13-1-34-002`
Alternative APNs	`R0033983` `0033983`

Interior

Bedrooms	3 Beds
Full Baths	2.75 Baths
Partial Baths	1 Partial Baths
Total Rooms	9 Rooms
Building Area	3,608 sqft Living Area
1st Floor	1,634 sqft 1st Floor
Upper Floors	570 sqft Upper Floors
Stories	2 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1999
Effective Year Built	Effective 1999
Architectural Style	A-Frame Style
Exterior Material	Combination Exterior
Construction Type	Frame Construction
Roof Material	Asphalt Roof
Lot Area	6,980 sqft (0.16 acres)
Parking Spaces	2 Parking Spaces
Garage Type	Detached Garage
Garage Area	570 sqft Garage

Exterior Amenities

Deck Area	217 sqft Deck
Patio Area	598 sqft Patio
Porch	Porch
Porch Area	164 sqft Porch

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Hot Water Heating

Location & Zoning

Account Number	R0033983
Street Address	905 UNION AVE
City	BOULDER
State	CO
Zip	80304-0710
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 2 HOWSER SUB
Legal Range	71
Legal Township	1N
Legal Section	13
Legal Subdivision	HOWSER SUB - BO
Legal Block	1
Legal Lot Number	2
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	1
Census Block	1017
Census Tract	12104

Owner

Source: Boulder County records · APN 1461-13-1-34-002

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	Individual Owner on File
Mailing Address	905 UNION AVE, BOULDER, CO 80304-0710
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Known Transactions	Last Sale Amount on May 09, 2000 Deed Sale Price on May 09, 2000 Prior Sale Amount on May 26, 1999
Deed Doc Number	20002043669
Last Transfer Date	Dec 23, 2016
Transfer Doc	0003566525
Record Refreshed	Sep 20, 2026

April 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Recording Date	Apr 20, 2026
Property Address	905 UNION AVE, BOULDER, CO 80304-0710
Document Number	0004128591
Instrument Date	Apr 13, 2026
Instrument	20264128591
Transaction Type	Mortgage
Record Updated	Jul 12, 2026
Title Company	NONE LISTED ON DOCUMENT

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	905 UNION AVE, BOULDER, CO 80304-0710

Mortgage

Document Number	0004128591,
Date	Apr 20, 2026
Instrument	20264128591

Lender

Name	ELEVATIONS CREDIT UNION

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	240 Months
Due	May 01, 2046

Interest

Rate	6.11%
Max Rate	-1%

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		$132,825 (+8.8%) Land $67,701 Building $65,124	$1,953,300 (-) Land $995,600 Building $957,700
2025	$11,640.00 (-1.75%)	$122,081 (-11.85%) Land $62,225 Building $59,856	$1,953,300 (-5.5%) Land $995,600 Building $957,700
2024	$11,847.00 (+1.77%)
2023	$11,641.00 (+23.68%)	$138,489 (+36.63%) Land $67,911 Building $70,578	$2,067,000 (+41.73%) Land $1,013,600 Building $1,053,400
2022	$9,412.00	$101,359 Land $54,412 Building $46,947	$1,458,400 Land $782,900 Building $675,500