1143 13th St, Boulder, CO 80302 Property Records

Boulder County property record for 1143 13th St, Boulder, CO 80302

Property Summary

Property Type	Multi-Family Dwellings
Details	26 bd · 26 ba · 12,410 sqft · built 1920
Lot Size	0.142 acres (6,169 sqft)
Owner	Company Name on File
Last Sale	$11,325,000 (Jan 2016)
Tax Bill	$57,176 (2025)
Deeds & Mortgages	Jul 2020 Sale Jul 2020 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1463-31-2-44-006`

Property Details

APN / Parcel Number

Primary APN	`1463-31-2-44-006`
Alternative APNs	`R0004332` `R0615518` `0004332`

Interior

Bedrooms	26 Beds
Full Baths	26 Baths
Total Rooms	40 Rooms
Units	7 Units
Stories	1 Story
Building Area	12,410 sqft Living Area
1st Floor Area	7,678 sqft
Upper Floors Area	4,732 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1990
Exterior Material	Stucco
Construction Type	Brick
Roof Material	Other
Lot Area	6,169 sqft (0.142 acres)
Deck Area	25 sqft

Utilities, Heating & Cooling

Cooling System	Package A/C
Heating System	HVAC

Location & Zoning

Account Number	R0004332
Street Address	1143 13TH ST
City	BOULDER
State	CO
Zip	80302-7184
Property Category	Residential
Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Legal Description	LOTS 28-29 BLK 5 UNIVERSITY TERRACE
Legal Range	70
Legal Township	1N
Legal Section	31
Legal Subdivision	UNIVERSITY TERRACE - BO
Legal Block	5
Legal Lot Number	28
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1009
Census Tract	12401

Owner

1143 13th St, a residential property, is owned by a company that bought it in January 2016.

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

Owner of Record	Company Name on File
Mailing Address	505 PINE ST, BOULDER, CO 80302-4737
Owner Type	Company

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Jul 1, 2020	Grant Deed, Transfer HERITAGE TITLE COMPANY, HERITAGE TITLE CO.
Jul 1, 2020	Grant Deed, Transfer FIRSTBANK
Jul 1, 2020	Grant Deed, Transfer HERITAGE TITLE COMPANY, HERITAGE TITLE CO.

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 25, 2016 · Amount on File
Deed Sale	Jan 25, 2016 · Amount on File
Prior Sale	Jul 27, 2006 · Amount on File
Deed Document Number	20163497293
Record Updated	Oct 29, 2026

July 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Jul 1, 2020
Property Address	1143 13TH ST, BOULDER, CO 80302-7184
Document Number	0003795235
Instrument Date	Jun 24, 2020
Instrument	3795235
Transaction Type	Transfer
Record Updated	Aug 13, 2020
Title Company	HERITAGE TITLE COMPANY, HERITAGE TITLE CO.

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	505 PINE ST BOULDER CO 803024737, BOULDER, CO 80302-4737

July 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Jul 1, 2020
Property Address	1143 13TH ST, BOULDER, CO 80302-7184
Document Number	0003795236
Instrument Date	Jun 24, 2020
Instrument	3795236
Transaction Type	Transfer
Record Updated	Aug 18, 2020
Title Company	HERITAGE TITLE COMPANY, HERITAGE TITLE CO.

Transaction

Amount	Amount on Record
Tax	$42.00
Amount Accuracy	Confirmed

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	505 PINE ST BOULDER CO 803024737, BOULDER, CO 80302-4737

Mortgage

Document Number	3795237
Date	Jul 1, 2020
Instrument	3795237

Lender

Name	FIRSTBANK
Type	Bank
Address	12345 W COLFAX AVE, LAKEWOOD, CO 80215-3742

Agreement

Amount	Amount on Record
Term	120 Months
Due	Jun 30, 2030

Interest

Rate Type	Adjustable Rate
Rate	4%

July 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Jul 1, 2020
Property Address	1143 13TH ST, BOULDER, CO 80302-7184
Document Number	0003795234
Instrument Date	Jun 15, 2020
Instrument	3795234
Transaction Type	Transfer
Record Updated	Aug 13, 2020
Title Company	HERITAGE TITLE COMPANY, HERITAGE TITLE CO.

Transaction

Amount	Amount on Record
Tax	$154.00
Amount Accuracy	Confirmed

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	505 PINE ST BOULDER CO 803024737, BOULDER, CO 80302-4737

Tax Assessment & Valuation

The 2025 property tax bill for 1143 13th St was $57,176.

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		$611,256 (+2.14%) Land $246,410 Building $364,846	$6,912,000 (-) Land $2,764,800 Building $4,147,200
2025	$57,176.00	$598,457 Land $239,387 Building $359,070	$6,912,000 Land $2,764,800 Building $4,147,200
2023	$55,214.00 (+31,450.86%)	$633,170 (+34,367.61%) Land $253,272 Building $379,898	$6,912,000 (+109,042.59%) Land $2,764,800 Building $4,147,200
2022	$175.00	$1,837 Building $1,837	$6,333 Building $6,333

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

Flood

FEMA maps place 1143 13th St in Zone X, an area of minimal flood risk.

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	2 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

Wildfire risk around 1143 13th St is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · lower than 91% of Colorado
Wildfire Likelihood	0.01% 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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