2. 780 Alpine Ave Boulder CO
780 Alpine Ave Boulder CO

Report Results for

780 Alpine Ave Boulder, CO

780 Alpine Ave Boulder, CO 80304 was built in 1951 and last sold for $930,000. The property has a lot size of 7,437 Sq Ft lot and is listed as a Duplex 2 Units. The property is currently not for sale. 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

$930,000
Last sold Feb 6, 2026
4
Beds
2
Baths
1,793
Sqft
Off Market
Built in 1951
7,437 lot sqft
$592 HOA fees

Property characteristics

Property type
Residential
Zoning type
Duplex 2 Units
APN
R0075358
Parking
1
Subdivision
Neikirk-Stewart - Bo
Heating
Forced air unit
Stories
1

Property History

Over the last 12 months.
There is currently no price history available.

Tax History

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Year Taxes Assesments
2026 ---- $ 103,639
2025 $ 9,244 -1 %
2024 $ 9,410 1 %
2023 $ 9,242 23 % $ 105,277
2022 $ 7,463 ---- $ 78,751
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Owner

Calvin Caldwell Calvin Serrano Caldwell , Age 25

Lives at 780 Alpine Ave, Boulder, CO 80304-3214
Relatives: Nicole Serrano, Satchel Caldwell, Tim Caldwell, Brooke Sundstrom, Elka Serrano, Karen Caldwell, Margaret Caldwell, Roberto Pantoja, Alex Sundstrom
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People Living at 780 Alpine Ave Boulder, CO

Calvin Caldwell Calvin Serrano Caldwell , Age 25

Lives at 780 Alpine Ave, Boulder, CO 80304-3214 Boulder CO 80304 780 Alpine Ave
Prior addresses: 300 E Pitkin St, Fort Collins, CO 80524-3731 Fort Collins CO 80524 300 E Pitkin St
Relatives: Nicole Serrano, Satchel Caldwell, Tim Caldwell, Brooke Sundstrom, Elka Serrano, Karen Caldwell, Margaret Caldwell, Roberto Pantoja, Alex Sundstrom
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Benjamin Halpern Benjamin Edward Halpern , Age 26

Lives at 780 1/2 Alpine AVE, Boulder, CO 80304-3214 Boulder CO 80304 780 1/2 Alpine AVE
Prior addresses: 780 Alpine AVE, Boulder, CO 80304-3214 Boulder CO 80304 780 Alpine AVE 3045 18th St, Boulder, CO 80304-2619 Boulder CO 80304 3045 18th St
Relatives: Abraham Halpern, Alexander Halpern, Carol Dreiling, Solomon Halpern, Ulrike Halpern, Carol Halpern, Eve Halpern, Faye Halpern, Martha Dreiling
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Aja Edmiston Aja Labelle Edmiston , Age 24

Lives at 780 Alpine AVE, Boulder, CO 80304-3214 Boulder CO 80304 780 Alpine AVE
Prior addresses: 14310 Grant ST, Apt 11-101, Thornton, CO 80023-6447 Thornton CO 80023 14310 Grant ST, Apt 11-101 5128 Meadows Del Mar, San Diego, CA 92130-4854 San Diego CA 92130 5128 Meadows Del Mar
Relatives: Gary Edmiston, Josie Edmiston, Labelle Edmiston, Tyler Edmiston, Darcy Hargrove, Jesse Edmiston, Labelle Haeger, Lawrence Haeger, Nellie Edmiston
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Angelique Velasco Angelique Oneill Velasco , Age 50

Lives at 1631 Ervine Ave, Longmont, CO 80501-7112 Longmont CO 80501 1631 Ervine Ave
Prior addresses: 780 Alpine Ave, Boulder, CO 80304-3214 Boulder CO 80304 780 Alpine Ave 3144 Broadway, Ste 4, Eureka, CA 95501-3838 Eureka CA 95501 3144 Broadway, Ste 4 192 Cherokee Way, Boulder, CO 80303-4268 Boulder CO 80303 192 Cherokee Way
Relatives: Eliseo Velasco, Gabriel Velasco, Stephanie White, Alicia Zdaniewicz, Amy Williams, Ari Velasco, Christopher S, Ericka Smith, Felicia Smith
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Hunter Amabile Hunter Richard Amabile , Age 39

Lives at 780 1/2 Alpine AVE, Boulder, CO 80304-3214 Boulder CO 80304 780 1/2 Alpine AVE
Prior addresses: 780 Alpine AVE, Boulder, CO 80304-3214 Boulder CO 80304 780 Alpine AVE 700 38th St, Boulder, CO 80303-2557 Boulder CO 80303 700 38th St 2645 Pine St, Boulder, CO 80302-3804 Boulder CO 80302 2645 Pine St
Relatives: Andrew Amabile, Elin Weeman, Gail Amabile, Henry Amabile, Jaclyn Kirk, Joshua Amabile, Michael Rockwell
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Francesca Troiani Francesca Troiani , Age 46

Lives at 780 Alpine Ave, Unit A, Boulder, CO 80304-3214 Boulder CO 80304 780 Alpine Ave, Unit A
Prior addresses: 9086 SW 74th Ave, Gainesville, FL 32608-9819 Gainesville FL 32608 9086 SW 74th Ave 510 N Pine St, Nevada City, CA 95959-2240 Nevada City CA 95959 510 N Pine St 425 Nimrod St, Nevada City, CA 95959-2827 Nevada City CA 95959 425 Nimrod St
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Sebastian Riera Sebastian Riera , Age 33

Lives at 6917 Collins Ave, Apt 1109, Miami Beach, FL 33141-7202 Miami Beach FL 33141 6917 Collins Ave, Apt 1109
Prior addresses: 11248 NW 77th Ter, Doral, FL 33178-1491 Doral FL 33178 11248 NW 77th Ter 224 NW 20th PL, Portland, OR 97209-1030 Portland OR 97209 224 NW 20th PL 780 Alpine AVE, Boulder, CO 80304-3214 Boulder CO 80304 780 Alpine AVE
Relatives: Sebastian Riera
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Sebastian Riera Sebastian Gabriel Riera , Age 33

Lives at 780 Alpine Ave, APT B, Boulder, CO 80304-3214 Boulder CO 80304 780 Alpine Ave, APT B
Prior addresses: 6917 Collins Ave, Apt 809, Miami Beach, FL 33141-7203 Miami Beach FL 33141 6917 Collins Ave, Apt 809 6917 Collins Ave, Apt 1109, Miami Beach, FL 33141-7202 Miami Beach FL 33141 6917 Collins Ave, Apt 1109 224 NW 20th Pl, Portland, OR 97209-1030 Portland OR 97209 224 NW 20th Pl
Relatives: Sebastian Riera
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Neighbors

760 Alpine Ave
Boulder, CO
View Property Report
804 Alpine Ave
Boulder, CO
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808 Alpine Ave
Boulder, CO
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740 Alpine Ave
Boulder, CO
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FAQs

Who lives at 780 Alpine Ave, Boulder, CO 80304?
According to our records, the current person living in 780 Alpine Ave is Calvin Caldwell.
Is this property currently for sale?
The property is not for sale and last sold for $930,000 on Feb 6, 2026. Use USPhoneBook to review nearby listings or compare similar homes in the area.
What is the estimated value of this property?
We currently do not have sufficient data to provide an estimated value or recent price trends for this property. You may still explore nearby properties or historical records for additional insights.
How big is this property?
It features approximately 1,793 sq ft of living space on a 7,437 sq ft lot, built in 1951 and classified as a Duplex 2 Units.
What nearby properties can I compare this to?
Nearby homes include 760 Alpine Ave, 804 Alpine Ave, and 808 Alpine Ave, each with its own property report to help compare size, value, and residents.