740 12th St, Boulder, CO 80302 Property Records

Boulder County property record for 740 12th St, Boulder, CO 80302 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	4 Beds
Bathrooms	1.5 Baths
Year Built	Built 1965
Square Footage	2,876 sqft Living Area
Lot Size	12,479 sqft (0.287 acres)
Occupancy	Owner Occupied
Last Sale	$2,150,000 (2025)
Tax Bill	$11,464.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1463-31-3-31-005`
Alternative APNs	`R0006772` `0006772`

Interior

Bedrooms	4 Beds
Full Baths	1.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	9 Rooms
Building Area	2,876 sqft Living Area
Gross Area	3,834 sqft Gross Area
1st Floor	1,486 sqft 1st Floor
Upper Floors	1,390 sqft Upper Floors
Basement Area	870 sqft Basement
Stories	2 Stories
Interior Structure	Plaster Interior Structure

Exterior

Year Built	Built 1925
Effective Year Built	Effective 1965
Exterior Material	Combination Exterior
Construction Type	Masonry/Concrete Masonry Units (CMUs) Construction
Roof Material	Asphalt Roof
Lot Area	12,479 sqft (0.287 acres)
Parking Spaces	1 Parking Spaces
Garage Type	Attached Garage
Garage Area	418 sqft Garage
Patio Area	450 sqft Patio
Porch	Porch
Porch Area	50 sqft Porch

Utilities and HVAC

Heating System	Hot Water Heating

Location & Zoning

Account Number	R0006772
Street Address	740 12TH ST
City	BOULDER
State	CO
Zip	80302-7519
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOTS 12-15 INC BLK 33 UNIVERSITY PLACE
Legal Range	70
Legal Township	1N
Legal Section	31
Legal Subdivision	UNIVERSITY PLACE - BO
Legal Block	33
Legal Lot Number	12
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	3
Census Block	3011
Census Tract	12401

Owner

Source: Boulder County records · APN 1463-31-3-31-005

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	740 12TH ST, BOULDER, CO 80302-7519
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 Mar 18, 2025 Deed Sale Price on Mar 18, 2025
Deed Doc Number	20254079873
Prior Transfer Date	Dec 07, 2018
Prior Transfer Doc	0003689161
Record Refreshed	Sep 20, 2026

December 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Dec 07, 2018
Property Address	740 12TH ST, BOULDER, CO 80302-7519
Document Number	0003689161
Instrument Date	Dec 07, 2018
Instrument	3689161
Transaction Type	Transfer
Record Updated	Dec 18, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Document Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	740 12TH ST BOULDER CO 803027519, BOULDER, CO 80302-7519

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		$137,619 (+8.8%) Land $84,708 Building $52,911	$2,023,800 (-) Land $1,245,700 Building $778,100
2025	$11,464.00 (+9.38%)	$126,487 (-2.44%) Land $77,856 Building $48,631	$2,023,800 (+4.59%) Land $1,245,700 Building $778,100
2024	$10,481.00 (+1.77%)
2023	$10,299.00 (+4.54%)	$129,645 (+14.68%) Land $79,328 Building $50,317	$1,935,000 (+18.96%) Land $1,184,000 Building $751,000
2022	$9,852.00	$113,048 Land $64,996 Building $48,052	$1,626,600 Land $935,200 Building $691,400