865 12th St, Boulder, CO 80302 Property Records

Boulder County property record for 865 12th St, Boulder, CO 80302 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	1 Baths
Year Built	Built 1970
Square Footage	2,118 sqft Living Area
Lot Size	12,750 sqft (0.293 acres)
Garage	Detached, 280 sqft
Last Sale	$60,000 (1992)
Tax Bill	$7,713.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1463-31-3-23-011`
Alternative APNs	`R0003001` `0003001`

Interior

Bedrooms	3 Beds
Full Baths	1 Baths
Total Rooms	8 Rooms
Building Area	2,118 sqft Living Area
Gross Area	2,166 sqft Gross Area
1st Floor	1,352 sqft 1st Floor
Upper Floors	766 sqft Upper Floors
Stories	2 Stories
Interior Structure	Plaster Interior Structure

Exterior

Year Built	Built 1900
Effective Year Built	Effective 1970
Exterior Material	Combination Exterior
Construction Type	Masonry/Concrete Masonry Units (CMUs) Construction
Roof Material	Asphalt Roof
Lot Area	12,750 sqft (0.293 acres)
Parking Spaces	2 Parking Spaces
Garage Type	Detached Garage
Garage Area	280 sqft Garage
Porch	Enclosed Porch
Porch Area	312 sqft Porch

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0003001
Street Address	865 12TH ST
City	BOULDER
State	CO
Zip	80302-7520
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOTS 39-42 INC BLK 25 UNIVERSITY PLACE
Legal Range	70
Legal Township	1N
Legal Section	31
Legal Subdivision	UNIVERSITY PLACE - BO
Legal Block	25
Legal Lot Number	39
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	3
Census Block	3003
Census Tract	12401

Owner

Source: Boulder County records · APN 1463-31-3-23-011

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	865 12TH ST, BOULDER, CO 80302-7520
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 Jul 16, 1992 Deed Sale Price on Jul 16, 1992 Dec 18, 1989
Deed Doc Number	19921203020
Last Transfer Date	Apr 22, 2026
Transfer Doc	0004129012
Record Refreshed	Sep 20, 2026

April 2026: Deed, Transfer

Document Type	Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 22, 2026
Property Address	865 12TH ST, BOULDER, CO 80302-7520
Document Number	0004129012
Instrument Date	Apr 22, 2026
Instrument	20264129012
Transaction Type	Transfer
Record Updated	Jul 12, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	865 12TH ST, BOULDER, CO 80302-7520

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 and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$94,819 (+8.8%) Land $85,337 Building $9,482	$1,394,400 (-) Land $1,254,960 Building $139,440
2025	$7,713.00 (+4.71%)	$87,150 (-7.49%) Land $78,435 Building $8,715	$1,394,400 (-0.83%) Land $1,254,960 Building $139,440
2024	$7,366.00 (+1.77%)
2023	$7,238.00 (+13.38%)	$94,202 (+24.44%) Land $80,179 Building $14,023	$1,406,000 (+29.09%) Land $1,196,700 Building $209,300
2022	$6,384.00	$75,699 Land $65,698 Building $10,001	$1,089,200 Land $945,300 Building $143,900