1010 12th St, Boulder, CO 80302 Property Records

Boulder County property record for 1010 12th St, Boulder, CO 80302 · Last verified July 2026

Property Highlights

Property Type	Residential > Multi-Unit > Apartment House (2-4 Units)
Bedrooms	32 Beds
Bathrooms	18.5 Baths
Year Built	Built 1970
Square Footage	11,425 sqft Living Area
Lot Size	18,827 sqft (0.432 acres)
Garage	Attached, 2,787 sqft
Last Sale	$2,044,000 (2007)
Tax Bill	$24,967.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1463-31-3-39-005`
Alternative APNs	`R0006070` `0006070`

Interior

Bedrooms	32 Beds
Full Baths	18.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	62 Rooms
Units	14 Units
Building Area	11,425 sqft Living Area
Gross Area	14,212 sqft Gross Area
1st Floor	4,720 sqft 1st Floor
Upper Floors	5,332 sqft Upper Floors
Basement Area	1,373 sqft Basement
Finished Basement	1,373 sqft Finished
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1940
Effective Year Built	Effective 1970
Exterior Material	Brick Veneer Exterior
Construction Type	Masonry/Concrete Masonry Units (CMUs) Construction
Lot Area	18,827 sqft (0.432 acres)
Parking Spaces	9 Parking Spaces
Garage Type	Attached Garage
Garage Area	2,787 sqft Garage

Utilities and HVAC

Heating System	Hot Water Heating

Location & Zoning

Account Number	R0006070
Street Address	1010 12TH ST
City	BOULDER
State	CO
Zip	80302-7247
Property Usage	Commercial Property Usage
Type	Residential > Multi-Unit > Apartment House (2-4 Units)
Legal Description	LOTS 19-24 INC BLK 4 UNIVERSITY PLACE
Legal Range	70
Legal Township	1N
Legal Section	31
Legal Subdivision	UNIVERSITY PLACE - BO
Legal Block	4
Legal Lot Number	19
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	4
Census Block	4002
Census Tract	12401

Owner

Source: Boulder County records · APN 1463-31-3-39-005

Assessment roll updated June 15, 2026 · Last verified July 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	2462 LONGMONT DAM RD, LYONS, CO 80540-9042
Owner Type	Owner is a Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Known Transactions	Last Sale Amount on Apr 24, 2007 Deed Sale Price on Apr 24, 2007 Prior Sale Amount on Jul 19, 1979
Deed Doc Number	20072851166
Last Transfer Date	Jan 31, 2014
Transfer Doc	0003366139
Record Refreshed	Sep 20, 2026

October 2019: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Oct 16, 2019
Property Address	1010 12TH ST, BOULDER, CO 80302-7247
Document Number	0003742705
Instrument Date	Oct 15, 2019
Instrument	3742705
Transaction Type	Transfer
Record Updated	Apr 15, 2022
Title Company	STEWART TITLE

Transaction

Tax	$0.00
Amount Accuracy	Zero or No Consideration Stated
Additional	Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2462 LONGMONT DAM RD, LYONS, CO 80540-9042

Mortgage

Document Number	0003742706
Date	Oct 16, 2019
Instrument	3742706

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 01, 2049

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified July 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		$272,000 (-38.55%) Land $198,111 Building $73,889	$4,000,000 (-43.52%) Land $2,913,400 Building $1,086,600
2025	$24,967.00 (+7.82%)	$442,644 (+73.86%) Land $182,088 Building $260,556	$7,082,300 (+86.38%) Land $2,913,400 Building $4,168,900
2024	$23,156.00 (+1.93%)
2023	$22,718.00 (+138.86%)	$254,600 (+179.41%) Land $67,000 Building $187,600	$3,800,000 (+183.58%) Land $1,000,000 Building $2,800,000
2022	$9,511.00	$91,120 Land $27,336 Building $63,784	$1,340,000 Land $402,000 Building $938,000