2. 4443 Maxwell Ave Longmont CO
4443 Maxwell Ave Longmont CO

Report Results for

4443 Maxwell Ave Longmont, CO

4443 Maxwell Ave Longmont, CO 80503 was built in 2017 and last sold for $658,026. The property has a lot size of 4,979 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 922,000, reflecting a 8% change over the past year, with 3 beds, 3 baths, and approximately 3,163 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

$658,026
Last sold Jul 31, 2026
3
Beds
3
Baths
3,163
Sqft
Off Market
$922,000 estimated value
Built in 2017
$291/sqft
4,979 lot sqft
$4,380 HOA fees

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
R0607890
Parking
2
Subdivision
Tramonto Rep A
Heating
Forced air unit
Cooling
Central

Property History

Over the last 12 months, the sales price of 4443 Maxwell Ave Longmont, CO 80503 has increased by 8%.

Price History

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Year Price Price/Sq Ft
2026 $ 910,000 8 % $ 288
2025 $ 842,000 -5 % $ 266
2024 $ 894,000 6 % $ 283
2023 $ 842,000 -2 % $ 266
2022 $ 868,000 23 % $ 274
2021 $ 705,000 ---- $ 223

Tax History

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Year Taxes Assesments
2026 ---- $ 60,935
2025 $ 5,879 18 %
2024 $ 4,979 1 % $ 56,006
2023 $ 4,911 8 % $ 52,052
2022 $ 4,506 ---- $ 45,536
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Owner

Jack Williams Jack D Williams , Age 88

Lives at 2815 Humboldt Cir, Longmont, CO 80503-2339
Relatives: Joyce Williams, Abby Morris, Aimee Labaugh, Ashley Williams, Ellen Williams, Jack Williams, Jon Williams, Judy Williams, Julia Williams
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People Living at 4443 Maxwell Ave Longmont, CO

Jack Williams Jack D Williams , Age 88

Lives at 2815 Humboldt Cir, Longmont, CO 80503-2339 Longmont CO 80503 2815 Humboldt Cir
Prior addresses: 4443 Maxwell Ave, Longmont, CO 80503-4191 Longmont CO 80503 4443 Maxwell Ave 7364 E Krall St, Scottsdale, AZ 85250-4518 Scottsdale AZ 85250 7364 E Krall St 2351 S Jamaica St, Aurora, CO 80014-1715 Aurora CO 80014 2351 S Jamaica St
Relatives: Joyce Williams, Abby Morris, Aimee Labaugh, Ashley Williams, Ellen Williams, Jack Williams, Jon Williams, Judy Williams, Julia Williams
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Jeffrey Miller Jeffrey Dean Miller , Age 59

Lives at 4443 Maxwell Ave, Longmont, CO 80503-4191 Longmont CO 80503 4443 Maxwell Ave
Prior addresses: 20771 County Road 3, Berthoud, CO 80513-8043 Berthoud CO 80513 20771 County Road 3 1727 PO Box, Berthoud, CO 80513-1727 Berthoud CO 80513 1727 PO Box 2137 Canyon DR, Winterville, NC 28590-8558 Winterville NC 28590 2137 Canyon DR
Relatives: Alan Miller, Barbara Christensen, Brian Miller, Celeste Miller, Donna Miller, Shannon Miller, Shanon Wilson, Bret Kostick, Chad Christensen
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Stephanie Goodenough Stephanie Dawn Goodenough , Age 50

Lives at 1405 Sun River RD, Berthoud, CO 80513-7119 Berthoud CO 80513 1405 Sun River RD
Prior addresses: 20771 County Road 3, Berthoud, CO 80513-8043 Berthoud CO 80513 20771 County Road 3 4443 Maxwell Ave, Longmont, CO 80503-4191 Longmont CO 80503 4443 Maxwell Ave 1061 Berthoud Peak DR, Berthoud, CO 80513-2673 Berthoud CO 80513 1061 Berthoud Peak DR
Relatives: Donna Gurneck, Emily Goodenough, Grady Goodenough, Andrew Goodenough, Blake Goodenough, Britney Goodenough, Bruce Goodenough, Christopher Goodenough, Dennis Goodenough
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Joyce Williams Joyce K Williams , Age 80

Lives at 2815 Humboldt Cir, Longmont, CO 80503-2339 Longmont CO 80503 2815 Humboldt Cir
Prior addresses: 3401 Arapahoe AVE, Unit 416, Boulder, CO 80303-1064 Boulder CO 80303 3401 Arapahoe AVE, Unit 416 4443 Maxwell Ave, Longmont, CO 80503-4191 Longmont CO 80503 4443 Maxwell Ave 12212 N Paradise Village Pkwy S, Apt 445, Phoenix, AZ 85032-7652 Phoenix AZ 85032 12212 N Paradise Village Pkwy S, Apt 445
Relatives: Jack Williams, John Hornbostel, John Williams, Julia Williams, Justin Williams, Karen Wood, Michael Williams, Ruemaria Williams
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Neighbors

4439 Maxwell Ave
Longmont, CO
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4447 Maxwell Ave
Longmont, CO
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4435 Maxwell Ave
Longmont, CO
View Property Report
4515 Maxwell Ave
Longmont, CO
View Property Report

FAQs

Who lives at 4443 Maxwell Ave, Longmont, CO 80503?
According to our records, the current person living in 4443 Maxwell Ave is Jack Williams.
Is this property currently for sale?
The property is not for sale and last sold for $658,026 on Jul 31, 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 $922,000, reflecting a 8% 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 3,163 sq ft of living space on a 4,979 sq ft lot, built in 2017 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 4439 Maxwell Ave, 4447 Maxwell Ave, and 4435 Maxwell Ave, each with its own property report to help compare size, value, and residents.