431 Iris Ave, Boulder, CO 80304 Property Records

Boulder County property record for 431 Iris Ave, Boulder, CO 80304 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	1.75 Baths
Architecture Style	Ranch
Year Built	Built 1956
Square Footage	2,144 sqft Living Area
Lot Size	6,908 sqft (0.159 acres)
Garage	Attached, 240 sqft
Tax Bill	$7,149.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1461-24-4-00-026`
Alternative APNs	`R0000148` `0000148`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Partial Baths	1 Partial Baths
Total Rooms	5 Rooms
Building Area	2,144 sqft Living Area
Gross Area	2,384 sqft Gross Area
1st Floor	1,312 sqft 1st Floor
Basement Area	832 sqft Basement
Finished Basement	832 sqft Finished
Stories	1 Stories
Interior Structure	Plaster Interior Structure

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1956
Architectural Style	Ranch Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Lot Area	6,908 sqft (0.159 acres)
Parking Spaces	1 Parking Spaces
Garage Type	Attached Garage
Garage Area	240 sqft Garage

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0000148
Street Address	431 IRIS AVE
City	BOULDER
State	CO
Zip	80304-1749
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	TRACT 402-D-11 & TRACT 402-A-2-M BOULDER 24-1N-71 BOOK 982 PAGE 413 BCR
Legal Range	71
Legal Township	1N
Legal Section	24
Legal Subdivision	TR, NBR 101-103,105,107,109,170
Legal Tract	402-D-11,4
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 1461-24-4-00-026

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	Individual Owner on File
Mailing Address	431 IRIS AVE, BOULDER, CO 80304-1749
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Record Refreshed	Sep 20, 2026

August 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Aug 17, 2021
Property Address	431 IRIS AVE, BOULDER, CO 80304-1749
Document Number	0003907691
Instrument Date	Oct 22, 2020
Instrument	3907691
Transaction Type	Transfer
Record Updated	Jun 07, 2023

Transaction

Tax	$0.00
Amount Accuracy	Zero or No Consideration Stated
Additional	Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	431 IRIS AVE, BOULDER, CO 80304-1749

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		$88,380 (+8.8%) Land $79,542 Building $8,838	$1,299,700 (-) Land $1,169,730 Building $129,970
2025	$7,149.00 (+1.62%)	$81,231 (-11.57%) Land $73,108 Building $8,123	$1,299,700 (-5.2%) Land $1,169,730 Building $129,970
2023	$7,035.00 (+22.07%)	$91,857 (+33.1%) Land $82,671 Building $9,186	$1,371,000 (+38.07%) Land $1,233,900 Building $137,100
2022	$5,763.00	$69,013 Land $62,112 Building $6,901	$993,000 Land $893,700 Building $99,300