2. 640 Iris Ave Boulder CO
640 Iris Ave Boulder CO

Report Results for

640 Iris Ave Boulder, CO

640 Iris Ave Boulder, CO 80304 was built in 2024 and last sold for $5,250,000. The property has a lot size of 9,741 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 4,684,000, reflecting a -11% change over the past year, with 5 beds, 4 baths, and approximately 5,001 sq ft of living space. If you are looking to buy or rent a property, use USPhoneBook's property database to avoid rental scams, understand tax liabilities, and get a sense of the property's value over time. You can also check out the neighborhood section and see nearby homes, last sold for prices, tax records and more.
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Public Facts

$5,250,000
Last sold Jun 30, 2026
5
Beds
4
Baths
5,001
Sqft
Off Market
$4,684,000 estimated value
Built in 2024
$937/sqft
9,741 lot sqft

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
R0003614
Parking
2
Subdivision
Tr, Nbr 101-103,105,107,109,170
Heating
Radiant
Cooling
Central
Stories
1

Property History

Over the last 12 months, the sales price of 640 Iris Ave Boulder, CO 80304 has decreased by -11%.

Price History

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Year Price Price/Sq Ft
2026 $ 5,110,000 -11 % $ 1,022
2025 $ 5,768,000 -12 % $ 1,153
2024 $ 6,610,000 380 % $ 1,322
2023 $ 1,375,000 -8 % $ 275
2022 $ 1,506,000 18 % $ 301
2021 $ 1,270,000 ---- $ 254

Tax History

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Year Taxes Assesments
2026 ---- $ 226,250
2025 $ 17,422 80 %
2024 $ 9,641 1 %
2023 $ 9,474 24 % $ 109,706
2022 $ 7,627 ---- $ 82,136
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Owner

Brian Feifarek Brian Paul Feifarek , Age 67

Lives at 640 Iris Ave, Boulder, CO 80304-1754
Relatives: Margaret Herzog, Kenneth Feifarek, Patricia Wright, Ruth Feifarek, Berley Wright, Berneice Wright, Bria Wright
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People Living at 640 Iris Ave Boulder, CO

Brian Feifarek Brian Paul Feifarek , Age 67

Lives at 640 Iris Ave, Boulder, CO 80304-1754 Boulder CO 80304 640 Iris Ave
Prior addresses: 2210 Grape Ave, Boulder, CO 80304-2342 Boulder CO 80304 2210 Grape Ave 40750 German Creek Dr, Paonia, CO 81428-6103 Paonia CO 81428 40750 German Creek Dr 4076 N80 Ln, Paonia, CO 81428-9645 Paonia CO 81428 4076 N80 Ln
Relatives: Margaret Herzog, Kenneth Feifarek, Patricia Wright, Ruth Feifarek, Berley Wright, Berneice Wright, Bria Wright
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Margaret Herzog Margaret Ann Herzog , Age 68

Lives at 640 Iris Ave, Boulder, CO 80304-1754 Boulder CO 80304 640 Iris Ave
Prior addresses: 2210 Grape Ave, Boulder, CO 80304-2342 Boulder CO 80304 2210 Grape Ave 40750 German Creek Dr, Paonia, CO 81428-6103 Paonia CO 81428 40750 German Creek Dr 40754 German Creek Dr, Paonia, CO 81428-6103 Paonia CO 81428 40754 German Creek Dr
Relatives: Brian Feifarek, Emerald Herzog, Mark Herzog, Peggy Herzog, Kenneth Feifarek, Lani Herzog, Patricia Wright, Rebecca Herzog, Ronda Lawrence
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Howard Mckinley Howard Jesse Mckinley , Age 22

Lives at 3303 Bluff ST, Unit 427, Boulder, CO 80301-2243 Boulder CO 80301 3303 Bluff ST, Unit 427
Prior addresses: 640 Iris AVE, Boulder, CO 80304-1754 Boulder CO 80304 640 Iris AVE
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Mark Herzog Mark Paul Herzog , Age 65

Lives at 2117 Collyer St, Longmont, CO 80501-1510 Longmont CO 80501 2117 Collyer St
Prior addresses: 149 E 6th Ave, Longmont, CO 80504-1444 Longmont CO 80504 149 E 6th Ave 640 Iris Ave, Boulder, CO 80304-1754 Boulder CO 80304 640 Iris Ave Po Box 4464, Boulder, CO 80306-4464 Boulder CO 80306 Po Box 4464
Relatives: Ronda Lawrence, Emerald Herzog, Lani Herzog, Margaret Herzog, Rebecca Herzog, Amber Olson, Betty Duncan, Brian Feifarek, Charlene Lawrence
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John Hill John E Hill , Age 101

Lives at 350 Ponca Pl, Apt 374, Boulder, CO 80303-3881 Boulder CO 80303 350 Ponca Pl, Apt 374
Prior addresses: 438 PO Box, Keenesburg, CO 80643-0438 Keenesburg CO 80643 438 PO Box 640 Iris Ave, Boulder, CO 80304-1754 Boulder CO 80304 640 Iris Ave 308 S Main ST, Fowler, CO 81039-1135 Fowler CO 81039 308 S Main ST
Relatives: Margaret Hill, Alan Hill, Carol Hill, Janeen Hill, Carl Hesse, Cody Hesse, Dorothy Vickland
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Gary Berg Gary Michael Berg , Age 60

Lives at 111 Sandra Muraida Way, Unit 9A, Austin, TX 78703-4997 Austin TX 78703 111 Sandra Muraida Way, Unit 9A
Prior addresses: 143 S Warbler Ct, Louisville, CO 80027-9500 Louisville CO 80027 143 S Warbler Ct 540 Iris Ave, Boulder, CO 80304-1752 Boulder CO 80304 540 Iris Ave 15724 De Fortuna Dr, Bee Caves, TX 78738-6075 Bee Caves TX 78738 15724 De Fortuna Dr
Relatives: Claudia Graessle, Anna Berg, Audrey Hagar, Billy Berg, Carol Berg, Claudia Berg, Jennifer Berg, Lauren Wells, Monica Ridgely
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Michael Mcmenamy Michael Patrick Mcmenamy , Age 67

Lives at 802 Lakeside Dr, Carbondale, CO 81623-3109 Carbondale CO 81623 802 Lakeside Dr
Prior addresses: 1732 6th St, Sarasota, FL 34236-5040 Sarasota FL 34236 1732 6th St 433 Central Ave, Sarasota, FL 34236-4939 Sarasota FL 34236 433 Central Ave 437 Central AVE, Sarasota, FL 34236-4939 Sarasota FL 34236 437 Central AVE
Relatives: Dana Dupuis, Elisabeth Mcmenamy, Joyce Mcnaughton, Noel Mcmenamy, Sartariet Mcmorris, Amy Mcmenamy, Ashley Landy, Ashley Mcmenamy, Brendan Mcmenamy
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Alan Hill Alan Gene Hill , Age 70

Lives at 2017 W 67th Pl, Denver, CO 80221-2624 Denver CO 80221 2017 W 67th Pl
Prior addresses: 1536 Taft Ct, Louisville, CO 80027-1021 Louisville CO 80027 1536 Taft Ct 310 S 4th ST, Unit 909, Phoenix, AZ 85004-2534 Phoenix AZ 85004 310 S 4th ST, Unit 909 975 N Lincoln St, Apt 4C, Denver, CO 80203-2742 Denver CO 80203 975 N Lincoln St, Apt 4C
Relatives: Carol Hill, Alan Hill, Grant Hill, Janeen Hill, John Hill, Laura Kelly, Margaret Hill, Aaron Hill
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Neighbors

630 Iris Ave
Boulder, CO
View Property Report
650 Iris Ave
Boulder, CO
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620 Iris Ave
Boulder, CO
View Property Report
655 Iris Ave
Boulder, CO
View Property Report

FAQs

Who lives at 640 Iris Ave, Boulder, CO 80304?
According to our records, the current person living in 640 Iris Ave is Brian Feifarek.
Is this property currently for sale?
The property is not for sale and last sold for $5,250,000 on Jun 30, 2026. Use USPhoneBook to review nearby listings or compare similar homes in the area.
What is the estimated value of this property?
The estimated value is $4,684,000, reflecting a -11% change over the past year. You can explore price history and tax records to see how the value has changed over time.
How big is this property?
It features approximately 5,001 sq ft of living space on a 9,741 sq ft lot, built in 2024 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 630 Iris Ave, 650 Iris Ave, and 620 Iris Ave, each with its own property report to help compare size, value, and residents.