2. 821 Mapleton Ave Boulder CO
821 Mapleton Ave Boulder CO

Report Results for

821 Mapleton Ave Boulder, CO

821 Mapleton Ave Boulder, CO 80304 was built in 1916 and last sold for $2,000,000. The property has a lot size of 8,389 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 4,643,000, reflecting a 16% change over the past year, with 5 beds, 4.25 baths, and approximately 5,373 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

$2,000,000
Last sold Jul 16, 2026
5
Beds
4.25
Baths
5,373
Sqft
Off Market
$4,643,000 estimated value
Built in 1916
$864/sqft
8,389 lot sqft

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
R0005794
Parking
2
Subdivision
Mapleton - Bo
Heating
Forced air unit
Stories
2

Property History

Over the last 12 months, the sales price of 821 Mapleton Ave Boulder, CO 80304 has increased by 16%.

Price History

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Year Price Price/Sq Ft
2026 $ 4,471,000 16 % $ 832
2025 $ 3,851,000 -22 % $ 717
2024 $ 4,955,000 30 % $ 922
2023 $ 3,811,000 -16 % $ 709
2022 $ 4,569,000 15 % $ 850
2021 $ 3,960,000 ---- $ 737

Tax History

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Year Taxes Assesments
2026 ---- $ 314,269
2025 $ 26,946 2 %
2024 $ 26,289 1 %
2023 $ 25,833 3 % $ 305,835
2022 $ 24,906 ---- $ 275,150
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Owner

Currie Barron Currie Cabot Barron , Age 71

Lives at 821 Mapleton Ave, Boulder, CO 80304-3993
Relatives: Anne Cabot, Archibald Barron, Benjamin Barron, Brooks Barron, Currie Barron, Denali Barron, Thomas Barron, Cabot Brooks, Eloise Macdougald
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People Living at 821 Mapleton Ave Boulder, CO

Currie Barron Currie Cabot Barron , Age 71

Lives at 821 Mapleton Ave, Boulder, CO 80304-3993 Boulder CO 80304 821 Mapleton Ave
Prior addresses: 2863 Willow Creek Dr, Boulder, CO 80301-5029 Boulder CO 80301 2863 Willow Creek Dr 206 N Valley Rd, Pelham, MA 01002-9771 Pelham MA 01002 206 N Valley Rd 18750 PO Box, Boulder, CO 80308-1750 Boulder CO 80308 18750 PO Box
Relatives: Anne Cabot, Archibald Barron, Benjamin Barron, Brooks Barron, Currie Barron, Denali Barron, Thomas Barron, Cabot Brooks, Eloise Macdougald
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Michael Ferguson Michael Ferguson

Lives at 821 Mapleton AVE, Boulder, CO 80304-3993 Boulder CO 80304 821 Mapleton AVE
Prior addresses: 545 Pearl ST, Boulder, CO 80302-5001 Boulder CO 80302 545 Pearl ST
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Mary Bruny Mary Lynn Bruny , Age 64

Lives at 790 10th St, Boulder, CO 80302-7509 Boulder CO 80302 790 10th St
Prior addresses: 244 E Olive St, Fort Collins, CO 80524-3473 Fort Collins CO 80524 244 E Olive St 302 Fox Acres DR W, Red Feather Lakes, CO 80545 Red Feather Lakes CO 80545 302 Fox Acres DR W
Relatives: Alexander Bruny, David Kane, Mary Romano, Nicholas Bruny, Randall Bruny, Solomon Brown, Steven Bruny, Sydney Bruny
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Steven Bruny Steven Mark Bruny , Age 68

Lives at 244 E Olive St, Fort Collins, CO 80524-3473 Fort Collins CO 80524 244 E Olive St
Prior addresses: 790 10th St, Boulder, CO 80302-7509 Boulder CO 80302 790 10th St 302 Fox Acres DR W, Red Feather Lakes, CO 80545 Red Feather Lakes CO 80545 302 Fox Acres DR W
Relatives: Alexander Bruny, Barbara Casale, David Kane, Marilyn Bruny, Mary Bruny, Nicholas Bruny, Randall Bruny, Solomon Brown
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Cynthia Corey Cynthia Louise Corey , Age 72

Lives at 953 Parker Dr, # 1, Longmont, CO 80501-1126 Longmont CO 80501 953 Parker Dr, # 1
Prior addresses: 953 Parker Dr, Longmont, CO 80501-1126 Longmont CO 80501 953 Parker Dr 821 Mapleton AVE, Boulder, CO 80304-3993 Boulder CO 80304 821 Mapleton AVE 1214 S North Branch Rd, Wilmette, IL 60091 Wilmette IL 60091 1214 S North Branch Rd
Relatives: Betty Graham, Candace Graham, Craig Graham, James Corey, James Long, Nancy Graham, Robert Graham
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Cheryl Levine Cheryl C Levine , Age 72

Lives at 380 Lakeside Ter, Glencoe, IL 60022-1709 Glencoe IL 60022 380 Lakeside Ter
Prior addresses: 380 Lake ST, Side TE, Glencoe, IL 60022-2111 Glencoe IL 60022 380 Lake ST, Side TE 850 N Lake Shore Dr, Apt 1505, Chicago, IL 60611-6311 Chicago IL 60611 850 N Lake Shore Dr, Apt 1505
Relatives: Bernard Levine, Claire Seeley, David Heyman, David Hyman, David Lamb, Esther Levine, Maurice Levine, Michael Heyman
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Jessica Feld Jessica Abel Feld , Age 64

Lives at 1340 6th St, Boulder, CO 80302-5801 Boulder CO 80302 1340 6th St
Prior addresses: 454 County Road 90, Allenspark, CO 80510-5009 Allenspark CO 80510 454 County Road 90
Relatives: Allen Feld, Jackson Feld, Jennifer Abel, Marni Seneker, Olivia Abel, Olivia Abel-Boyce, Peter Abel, Stuart Abel, Ted Abel
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Neighbors

811 Mapleton Ave
Boulder, CO
View Property Report
829 Mapleton Ave
Boulder, CO
View Property Report
2408 8th St
Boulder, CO
View Property Report
839 Mapleton Ave
Boulder, CO
View Property Report

FAQs

Who lives at 821 Mapleton Ave, Boulder, CO 80304?
According to our records, the current person living in 821 Mapleton Ave is Currie Barron.
Is this property currently for sale?
The property is not for sale and last sold for $2,000,000 on Jul 16, 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 $4,643,000, reflecting a 16% 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 5,373 sq ft of living space on a 8,389 sq ft lot, built in 1916 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 811 Mapleton Ave, 829 Mapleton Ave, and 2408 8th St, each with its own property report to help compare size, value, and residents.