605 12th St, Boulder, CO 80302 Property Records

Boulder County property record for 605 12th St, Boulder, CO 80302 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	2.5 Baths
Year Built	Built 1989
Square Footage	2,595 sqft Living Area
Lot Size	5,682 sqft (0.13 acres)
Garage	Attached, 480 sqft
Last Sale	$1,115,000 (2012)
Tax Bill	$12,430.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1577-06-2-21-003`
Alternative APNs	`R0101631` `0101631`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	8 Rooms
Building Area	2,595 sqft Living Area
Gross Area	3,325 sqft Gross Area
1st Floor	1,170 sqft 1st Floor
Upper Floors	870 sqft Upper Floors
Basement Area	805 sqft Basement
Finished Basement	555 sqft Finished
Unfinished Basement	250 sqft Unfinished
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1989
Architectural Style	Split Level Style
Exterior Material	Combination Exterior
Construction Type	Frame Construction
Roof Material	Asphalt Roof
Lot Area	5,682 sqft (0.13 acres)
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	480 sqft Garage
Patio Area	247 sqft Patio
Porch	Porch
Porch Area	90 sqft Porch

Utilities and HVAC

Heating System	Hot Water Heating

Location & Zoning

Account Number	R0101631
Street Address	605 12TH ST
City	BOULDER
State	CO
Zip	80302-7516
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOTS 7 & 8 BLK 1 WELLINGTON HEIGHTS
Legal Range	70
Legal Township	1S
Legal Section	06
Legal Subdivision	WELLINGTON HEIGHTS - BO
Legal Tract	7
Legal Block	1
Legal Lot Number	5
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	3
Census Block	3004
Census Tract	12505

Owner

Source: Boulder County records · APN 1577-06-2-21-003

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 Company Names on File
Mailing Address	605 12TH ST, BOULDER, CO 80302-7516
Owner Type	Owner is a Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Known Transactions	Last Sale Amount on Aug 17, 2012 Deed Sale Price on Aug 17, 2012 Prior Sale Amount on May 04, 1995
Deed Doc Number	20123244991
Prior Transfer Date	Aug 10, 2012
Prior Transfer Doc	0003244989
Record Refreshed	Sep 20, 2026

January 2017: Grant Deed

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Jan 30, 2017
Property Address	605 12TH ST, BOULDER, CO 80302-7516
Document Number	0003571954
Instrument Date	Jan 27, 2017
Instrument	3571954
Record Updated	Feb 09, 2017

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	2822 RIVERWALK LOOP EUGENE OR 974011506, EUGENE, OR 97401-1506

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		$148,641 (+8.8%) Land $102,279 Building $46,362	$2,185,900 (-) Land $1,504,100 Building $681,800
2025	$12,430.00 (-11.91%)	$136,619 (-18.23%) Land $94,006 Building $42,613	$2,185,900 (-12.35%) Land $1,504,100 Building $681,800
2023	$14,111.00 (+12.64%)	$167,085 (+23.86%) Land $96,393 Building $70,692	$2,493,800 (+28.48%) Land $1,438,700 Building $1,055,100
2022	$12,527.00	$134,899 Land $80,321 Building $54,578	$1,941,000 Land $1,155,700 Building $785,300