1037 12th St, Boulder, CO 80302 Property Records

Boulder County property record for 1037 12th St, Boulder, CO 80302

Property Summary

Property Type	Multi-Family Dwellings
Details	13 bd · 6 ba · 3,622 sqft · built 1895
Lot Size	0.143 acres (6,235 sqft)
Owner	Company Name on Record
Last Sale	$3,679,000 (Aug 2022)
Tax Bill	$23,349 (2025)
Deeds & Mortgages	Aug 2022 Sale & Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`1463-31-3-07-016`

Property Details

APN / Parcel Number

Primary APN	`1463-31-3-07-016`
Alternative APNs	`R0006058` `0006058`

Interior

Bedrooms	13 Beds
Full Baths	6 Baths
Total Rooms	12 Rooms
Units	4 Units
Stories	2 Stories
Building Area	3,622 sqft Living Area
Gross Area	3,860 sqft
1st Floor Area	1,884 sqft
Upper Floors Area	1,738 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1895
Effective Year Built	Effective 1983
Exterior Material	Combination
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	6,235 sqft (0.143 acres)
Porch	Enclosed Porch
Porch Area	488 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Hot Water

Location & Zoning

Account Number	R0006058
Street Address	1037 12TH ST
City	BOULDER
State	CO
Zip	80302-7265
Property Category	Residential
Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Legal Description	LOTS 33-34 BLK 5 UNIVERSITY PLACE
Legal Range	70
Legal Township	1N
Legal Section	31
Legal Subdivision	UNIVERSITY PLACE - BO
Legal Block	5
Legal Lot Number	33
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	4
Census Block	4003
Census Tract	12401

Owner

Source: Boulder County records, as of September 18, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	PO BOX 9670, DENVER, CO 80209-0670
Owner Type	Company
Vesting	Limited Liability Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 22, 2022 · Amount on Record
Deed Sale	Aug 22, 2022 · Amount on Record
Prior Sale	Feb 6, 2012 · Amount on Record
Deed Document Number	20223977671
Prior Transfer Date	Oct 29, 2006
Prior Transfer Doc	0003196023
Record Updated	Oct 29, 2026

August 2022: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Aug 22, 2022
Property Address	1037 12TH ST, BOULDER, CO 80302-7265
Document Number	0003977671
Instrument Date	Aug 18, 2022
Instrument	3977671
Transaction Type	Transfer
Record Updated	Aug 31, 2022
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$367.90
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	1444 N FRANKLIN CT, 1444, LOUISVILLE, CO 80027-1654

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	PO BOX 9670, DENVER, CO 80209-0670

Mortgage

Document Number	0003977672
Date	Aug 22, 2022
Instrument	3977672

Lender

Name	FIRSTBANK
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount Recorded

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$257,992 (+6.83%) Land $109,249 Building $148,743	$3,864,000 (-) Land $1,676,600 Building $2,187,400
2025	$23,349.00 (+23.97%)	$241,501 (+12.64%) Land $104,788 Building $136,713	$3,864,000 (+20.75%) Land $1,676,600 Building $2,187,400
2024	$18,834.00 (+1.82%)
2023	$18,497.00 (+63.65%)	$214,400 (+76.14%) Land $115,910 Building $98,490	$3,200,000 (+78.77%) Land $1,730,000 Building $1,470,000
2022	$11,303.00	$121,720 Land $75,140 Building $46,580	$1,790,000 Land $1,105,000 Building $685,000

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	1 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 65% of the US · lower than 82% of Colorado
Wildfire Likelihood	0.04% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 367 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
CenturyLink Fiber · DSL in parts of the area	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T, Magnolia Road Internet Cooperative.

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