2. 1836 Mapleton Ave Boulder CO
1836 Mapleton Ave Boulder CO

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1836 Mapleton Ave Boulder, CO

1836 Mapleton Ave Boulder, CO 80304 was built in 1910 and last sold for $2,100,000. The property has a lot size of 7,145 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 2,301,000, reflecting a 54% change over the past year, with 2 beds, 2.5 baths, and approximately 1,370 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

$2,100,000
Last sold Sep 22, 2025
2
Beds
2.5
Baths
1,370
Sqft
Off Market
$2,301,000 estimated value
Built in 1910
$1,680/sqft
7,145 lot sqft

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
R0002923
Subdivision
Boulder O T East & West & North - Bo
Heating
Forced air unit
Cooling
Central
Stories
1

Property History

Over the last 12 months, the sales price of 1836 Mapleton Ave Boulder, CO 80304 has increased by 54%.

Price History

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Year Price Price/Sq Ft
2026 $ 2,486,000 54 % $ 1,815
2025 $ 1,609,000 5 % $ 1,174
2024 $ 1,521,000 -6 % $ 1,110
2023 $ 1,632,000 2 % $ 1,191
2022 $ 1,588,000 34 % $ 1,159
2021 $ 1,185,000 ---- $ 865

Tax History

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Year Taxes Assesments
2026 ---- $ 122,549
2025 $ 9,571 2 %
2024 $ 9,327 1 %
2023 $ 9,165 20 % $ 106,128
2022 $ 7,618 ---- $ 82,038
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Owner

Brooks Defrees Brooks Holland Defrees , Age 28

Lives at 1836 Mapleton AVE, Boulder, CO 80304-4264
Relatives: Alexander Defrees, Brooks Defrees, Lesley Defrees, Lisa Defrees, Madison Defrees, Mary Defrees, Porter Defrees, Stephen Defrees, Alexandra Defrees
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People Living at 1836 Mapleton Ave Boulder, CO

Brooks Defrees Brooks Holland Defrees , Age 28

Lives at 1836 Mapleton AVE, Boulder, CO 80304-4264 Boulder CO 80304 1836 Mapleton AVE
Prior addresses: 2525 Arapahoe AVE, Unit E4, Boulder, CO 80302-6746 Boulder CO 80302 2525 Arapahoe AVE, Unit E4 525 Kalmia AVE, Boulder, CO 80304-1733 Boulder CO 80304 525 Kalmia AVE
Relatives: Alexander Defrees, Brooks Defrees, Lesley Defrees, Lisa Defrees, Madison Defrees, Mary Defrees, Porter Defrees, Stephen Defrees, Alexandra Defrees
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Susan Reed Susan Lorraine Reed , Age 71

Lives at 1836 Mapleton Ave, Boulder, CO 80304-4264 Boulder CO 80304 1836 Mapleton Ave
Prior addresses: 3250 Oneal Cir, Apt G11, Boulder, CO 80301-1427 Boulder CO 80301 3250 Oneal Cir, Apt G11 1917 E Wildcat Rd, Clarkesville, GA 30523-0359 Clarkesville GA 30523 1917 E Wildcat Rd 1466 N Decatur RD NE, Atlanta, GA 30306-2423 Atlanta GA 30306 1466 N Decatur RD NE
Relatives: Homer Reed, Janet Te, Sherry Reed, Todd Reed, Carla Reed, Christopher Reed, Courtney Nicoletti, David Reed
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Madison Defrees Madison Cook Defrees , Age 31

Lives at 1836 Mapleton Ave, Boulder, CO 80304-4264 Boulder CO 80304 1836 Mapleton Ave
Prior addresses: 737 Walnut St, Boulder, CO 80302-5032 Boulder CO 80302 737 Walnut St 525 Kalmia Ave, Boulder, CO 80304-1733 Boulder CO 80304 525 Kalmia Ave
Relatives: Alexander Defrees, Brooks Defrees, Dillon Norton, Jake Norton, Julie Norton, Kirk Norton, Lesley Defrees
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Lieko Earle Lieko N Earle , Age 51

Lives at 1905 Bluff St, Boulder, CO 80304-4288 Boulder CO 80304 1905 Bluff St
Prior addresses: 1836 Mapleton Ave, Boulder, CO 80304-4264 Boulder CO 80304 1836 Mapleton Ave 2995 College Ave, Apt 11, Boulder, CO 80303-1863 Boulder CO 80303 2995 College Ave, Apt 11 4955 Moorhead Ave, Apt 12, Boulder, CO 80305-5547 Boulder CO 80305 4955 Moorhead Ave, Apt 12
Relatives: Edward Dunlea, Akemi Earle, Anne Earle, Frances Earle, Stephen Earle, Cheryl Dunlea, Katherine Earle, Miriam Nelson, Richard Earle
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Nils Halverson Nils William Halverson , Age 59

Lives at 1905 Bluff St, Boulder, CO 80304-4288 Boulder CO 80304 1905 Bluff St
Prior addresses: 1836 Mapleton Ave, Boulder, CO 80304-4264 Boulder CO 80304 1836 Mapleton Ave 2812 Piedmont Ave, Berkeley, CA 94705-2314 Berkeley CA 94705 2812 Piedmont Ave 5633 S Kenwood Ave, Apt 3A, Chicago, IL 60637-1738 Chicago IL 60637 5633 S Kenwood Ave, Apt 3A
Relatives: Anne Halverson, Jon Halverson, Mark Halverson, Charles Halverson, Tobias Halverson, Virginia Halverson, William Halverson, Annette Gilliam, Beulah Gilliam
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Gretchen Cole Gretchen Dodd Cole , Age 60

Lives at 1018 Lauren Ln, Basalt, CO 81621-8203 Basalt CO 81621 1018 Lauren Ln
Prior addresses: 2005 Alpine Dr, Boulder, CO 80304-3607 Boulder CO 80304 2005 Alpine Dr 1836 Mapleton Ave, Boulder, CO 80304-4264 Boulder CO 80304 1836 Mapleton Ave Po Box 341, Basalt, CO 81621-0341 Basalt CO 81621 Po Box 341
Relatives: Craig Corona, Austin Corona, Catherine Corona, Charles Cole, Margaret Chiles, Sarah Cole, Sarah Kingston, Alice Ayers, Brandon Cole
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Lesley Defrees Lesley Cook Defrees , Age 59

Lives at 1780 Norwood AVE, Boulder, CO 80304-1218 Boulder CO 80304 1780 Norwood AVE
Prior addresses: 4249 Timber DR NW, Hackensack, MN 56452-2263 Hackensack MN 56452 4249 Timber DR NW 4435 Mahimahi RD, Hanalei, HI 96714 Hanalei HI 96714 4435 Mahimahi RD 1836 Mapleton AVE, Boulder, CO 80304-4264 Boulder CO 80304 1836 Mapleton AVE
Relatives: Stephen Defrees, Alexander Defrees, Allison Defrees, Brooks Defrees, Catherine Defrees, Eric Mcquaid, Heather Mcinerny, Jennifer Mcdonnell
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Stephen Defrees Stephen Brooks Defrees , Age 59

Lives at 2525 Arapahoe AVE, Unit E4, Boulder, CO 80302-6746 Boulder CO 80302 2525 Arapahoe AVE, Unit E4
Prior addresses: 1780 Norwood Ave, Boulder, CO 80304-1218 Boulder CO 80304 1780 Norwood Ave 4249 Timber DR NW, Hackensack, MN 56452-2263 Hackensack MN 56452 4249 Timber DR NW 4435 Mahimahi RD, Hanalei, HI 96714 Hanalei HI 96714 4435 Mahimahi RD
Relatives: Lesley Defrees, Alexander Defrees, Allison Defrees, Brooks Defrees, Catherine Defrees, Eric Mcquaid, Lisa Defrees, Madison Defrees
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Leigh Collector Leigh Selma Collector , Age 75

Lives at 4209 26th St, Boulder, CO 80304-0907 Boulder CO 80304 4209 26th St
Prior addresses: 1630 Pearl St, Boulder, CO 80302-5411 Boulder CO 80302 1630 Pearl St 1836 Mapleton Ave, Boulder, CO 80304-4264 Boulder CO 80304 1836 Mapleton Ave
Relatives: David Collector, James Collector, Joseph Collector, Stephen Collector, Harriet Collector, Joseph Trudgeon, Tess Collector
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Neighbors

1830 Mapleton Ave
Boulder, CO
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1844 Mapleton Ave
Boulder, CO
View Property Report
2231 19th St
Boulder, CO
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1820 Mapleton Ave #A
Boulder, CO
View Property Report

FAQs

Who lives at 1836 Mapleton Ave, Boulder, CO 80304?
According to our records, the current person living in 1836 Mapleton Ave is Brooks Defrees.
Is this property currently for sale?
The property is not for sale and last sold for $2,100,000 on Sep 22, 2025. 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 $2,301,000, reflecting a 54% 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 1,370 sq ft of living space on a 7,145 sq ft lot, built in 1910 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 1830 Mapleton Ave, 1844 Mapleton Ave, and 2231 19th St, each with its own property report to help compare size, value, and residents.