580 Iris Ave, Boulder, CO 80304 Property Records

Boulder County property record for 580 Iris Ave, Boulder, CO 80304 · Last verified July 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	1.5 Baths
Architecture Style	Ranch
Year Built	Built 1954
Square Footage	1,296 sqft Living Area
Lot Size	10,518 sqft (0.242 acres)
Garage	Attached, 264 sqft
Last Sale	$550,000 (2005)

Property Details

APN / Parcel Number

Primary APN	`1461-24-4-00-041`
Alternative APNs	`R0009192` `0009192`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	6 Rooms
Building Area	1,296 sqft Living Area
Gross Area	1,560 sqft Gross Area
1st Floor	1,296 sqft 1st Floor
Stories	1 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1954
Architectural Style	Ranch Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Roof Material	Asphalt Roof
Lot Area	10,518 sqft (0.242 acres)
Garage Type	Attached Garage
Garage Area	264 sqft Garage
Porch	Porch
Porch Area	366 sqft Porch

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0009192
Street Address	580 IRIS AVE
City	BOULDER
State	CO
Zip	80304-1752
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	TRACT 402-C-1 LESS LETTERS BO 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
Legal Block	2
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	2
Census Block	2011
Census Tract	12101

Owner

Source: Boulder County records · APN 1461-24-4-00-041

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	2 Individuals Owners
Mailing Address	2132 5TH ST, BOULDER, CO 80302-4903
Owner Type	Owner is a Company
Vesting	Tenants In Common

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Known Transactions	Last Sale Amount on Apr 06, 2005 Deed Sale Price on Apr 06, 2005
Deed Doc Number	20052677958
Last Transfer Date	Sep 01, 2011
Transfer Doc	0003175106
Record Refreshed	Sep 20, 2026

December 2022: Limited Warranty Deed, Transfer

Document Type	Limited Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Dec 28, 2022
Property Address	580 IRIS AVE, BOULDER, CO 80304-1752
Document Number	0003993230
Instrument Date	Dec 23, 2022
Instrument	3993230
Transaction Type	Transfer
Record Updated	Feb 27, 2024

Transaction

Tax	$0.00
Amount Accuracy	Zero or No Consideration Stated
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name
Address	970 NORTH ST, BOULDER, CO 80304-3320

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants In Common
Address	2132 5TH ST, BOULDER, CO 80302-4903

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		$87,033 (+8.8%) Land $78,330 Building $8,703	$1,279,900 (-) Land $1,151,910 Building $127,990
2025	$7,708.00 (+2.28%)	$79,993 (-11.21%) Land $71,994 Building $7,999	$1,279,900 (-4.81%) Land $1,151,910 Building $127,990
2023	$7,536.00 (+18.58%)	$90,088 (+33.21%) Land $81,079 Building $9,009	$1,344,600 (+38.18%) Land $1,210,140 Building $134,460
2022	$6,355.00	$67,630 Land $60,867 Building $6,763	$973,100 Land $875,790 Building $97,310