820 13th St, Boulder, CO 80302 Property Records

Boulder County property record for 820 13th St, Boulder, CO 80302 · Last verified June 2026

Property Highlights

Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Bedrooms	7 Beds
Bathrooms	3.25 Baths
Year Built	Built 1980
Square Footage	4,022 sqft Living Area
Lot Size	6,002 sqft (0.138 acres)
Garage	Detached, 336 sqft
Tax Bill	$11,969.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1463-31-3-21-008`
Alternative APNs	`R0005278` `0005278`

Interior

Bedrooms	7 Beds
Full Baths	3.25 Baths
Partial Baths	3 Partial Baths
Total Rooms	16 Rooms
Units	2 Units
Building Area	4,022 sqft Living Area
Gross Area	4,122 sqft Gross Area
1st Floor	1,882 sqft 1st Floor
Upper Floors	1,120 sqft Upper Floors
Basement Area	1,120 sqft Basement
Finished Basement	1,020 sqft Finished
Unfinished Basement	100 sqft Unfinished
Stories	2 Stories
Interior Structure	Plaster Interior Structure

Exterior

Year Built	Built 1925
Effective Year Built	Effective 1980
Exterior Material	Combination Exterior
Construction Type	Masonry/Concrete Masonry Units (CMUs) Construction
Roof Material	Asphalt Roof
Lot Area	6,002 sqft (0.138 acres)
Parking Spaces	1 Parking Spaces
Garage Type	Detached Garage
Garage Area	336 sqft Garage
Total Buildings	2 Total Buildings
Porch	Porch
Porch Area	144 sqft Porch

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0005278
Street Address	820 13TH ST
City	BOULDER
State	CO
Zip	80302-7560
Property Usage	Residential Property Usage
Type	Residential > Multi-Unit > Multi-Family Dwellings
Legal Description	LOTS 19 & 20 BLK 23 UNIVERSITY PLACE
Legal Range	70
Legal Township	1N
Legal Section	31
Legal Subdivision	UNIVERSITY PLACE - BO
Legal Block	23
Legal Lot Number	19
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	3
Census Block	3001
Census Tract	12401

Owner

Source: Boulder County records · APN 1463-31-3-21-008

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	800 ARKANSAS MOUNTAIN RD, BOULDER, CO 80302-9255
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Known Transactions	Oct 23, 1992 Prior Sale Amount on Jun 15, 1990
Deed Doc Number	19921232407
Last Transfer Date	Jul 16, 2025
Transfer Doc	0004096811
Record Refreshed	Sep 20, 2026

February 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	820 13TH ST, BOULDER, CO 80302-7560
Transaction Type	Mortgage
Record Updated	Mar 25, 2024

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	800 ARKANSAS MOUNTAIN RD, BOULDER, CO 80302-9255

Mortgage

Document Number	0004037858
Date	Feb 26, 2024
Instrument	4037858

Lender

Name	DSW MORTGAGE INC
Type	Mortgage Company
Address	BOULDER, CO 80302

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Mar 01, 2039

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		$132,893 (+8.8%) Land $58,745 Building $74,148	$1,954,300 (-) Land $863,900 Building $1,090,400
2025	$11,969.00 (+4.21%)	$122,144 (-8.32%) Land $53,994 Building $68,150	$1,954,300 (-1.71%) Land $863,900 Building $1,090,400
2023	$11,486.00 (+16.3%)	$133,224 (+29.19%) Land $55,014 Building $78,210	$1,988,400 (+31.44%) Land $821,100 Building $1,167,300
2022	$9,876.00	$103,122 Land $44,098 Building $59,024	$1,512,800 Land $648,500 Building $864,300