581 Iris Ave, Boulder, CO 80304 Property Records

Boulder County property record for 581 Iris Ave, Boulder, CO 80304 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	4 Beds
Bathrooms	2.25 Baths
Year Built	Built 1970
Square Footage	1,471 sqft Living Area
Lot Size	7,389 sqft (0.17 acres)
Garage	Attached, 900 sqft
Occupancy	Owner Occupied
Tax Bill	$7,401.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1461-24-4-00-020`
Alternative APNs	`R0006470` `0006470`

Interior

Bedrooms	4 Beds
Full Baths	2.25 Baths
Partial Baths	2 Partial Baths
Total Rooms	6 Rooms
Building Area	1,471 sqft Living Area
Gross Area	2,371 sqft Gross Area
1st Floor	1,471 sqft 1st Floor
Stories	1 Stories
Interior Structure	Plaster Interior Structure

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1970
Architectural Style	Ranch Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Roof Material	Asphalt Roof
Lot Area	7,389 sqft (0.17 acres)
Parking Spaces	4 Parking Spaces
Garage Type	Attached Garage
Garage Area	900 sqft Garage
Patio Area	242 sqft Patio

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0006470
Street Address	581 IRIS AVE
City	BOULDER
State	CO
Zip	80304-1751
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	TRACT 402-C-1-B 24-1N-71
Legal Range	71
Legal Township	1N
Legal Section	24
Legal Subdivision	TR, NBR 101-103,105,107,109,170
Legal Tract	402-C-1-B
Legal Block	2
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	2
Census Block	2008
Census Tract	12101

Owner

Source: Boulder County records · APN 1461-24-4-00-020

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	581 IRIS AVE, BOULDER, CO 80304-1751
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Known Transactions	Aug 16, 1993 Apr 09, 1992
Deed Doc Number	19931326614
Record Refreshed	Sep 20, 2026

March 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	581 IRIS AVE, BOULDER, CO 80304-1751
Transaction Type	Mortgage
Record Updated	Feb 05, 2021
Title Company	STEWART TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003700267
Date	Mar 01, 2019
Instrument	3700267

Lender

Name	CHERRY CREEK MORTGAGE CO INC
Type	Mortgage Company
Address	ENGLEWOOD, CO 80111

Agreement

Type	Reverse Mortgage
Amount	Amount Recorded
Term	938 Months
Due	May 10, 2097

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		$91,256 (+8.8%) Land $82,130 Building $9,126	$1,342,000 (-) Land $1,207,800 Building $134,200
2025	$7,401.00 (+1.04%)	$83,876 (-11.91%) Land $75,488 Building $8,388	$1,342,000 (-5.57%) Land $1,207,800 Building $134,200
2023	$7,325.00 (+22.84%)	$95,213 (+33.79%) Land $85,692 Building $9,521	$1,421,100 (+38.78%) Land $1,278,990 Building $142,110
2022	$5,963.00	$71,168 Land $64,051 Building $7,117	$1,024,000 Land $921,600 Building $102,400