2. 437 Fox St Longmont CO
437 Fox St Longmont CO

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437 Fox St Longmont, CO

437 Fox St Longmont, CO 80504 was built in 1971 and last sold for $435,000. The property has a lot size of 6,447 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 445,000, reflecting a -4% change over the past year, with 3 beds, 1 baths, and approximately 1,375 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

$435,000
Last sold Feb 20, 2026
3
Beds
1
Baths
1,375
Sqft
Off Market
$445,000 estimated value
Built in 1971
$324/sqft
6,447 lot sqft

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
R0044760
Parking
1
Subdivision
Dollhouse Village 2 - Lg
Heating
Forced air unit
Stories
1

Property History

Over the last 12 months, the sales price of 437 Fox St Longmont, CO 80504 has decreased by -4%.

Price History

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Year Price Price/Sq Ft
2026 $ 419,000 -4 % $ 305
2025 $ 441,000 -14 % $ 321
2024 $ 516,000 7 % $ 375
2023 $ 479,000 8 % $ 348
2022 $ 441,000 28 % $ 321
2021 $ 343,000 ---- $ 249

Tax History

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Year Taxes Assesments
2026 ---- $ 31,647
2025 $ 3,054 15 %
2024 $ 2,635 1 %
2023 $ 2,599 16 % $ 27,544
2022 $ 2,239 ---- $ 22,630
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Owner

Sean Kosman Sean Patrick Kosman , Age 25

Lives at 890 Waite Dr, Boulder, CO 80303-2730
Relatives: Shannon Kosman, Tracy Kosman, Anne Inghram, Christina Kosman, Colleen Mcdermott, Edwin Mcdermott, James Kosman, Jony Kosman, Kelly Albers
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People Living at 437 Fox St Longmont, CO

Sean Kosman Sean Patrick Kosman , Age 25

Lives at 890 Waite Dr, Boulder, CO 80303-2730 Boulder CO 80303 890 Waite Dr
Prior addresses: 437 Fox St, Longmont, CO 80504-1527 Longmont CO 80504 437 Fox St 5875 Mccandlish Rd, Peyton, CO 80831-7632 Peyton CO 80831 5875 Mccandlish Rd
Relatives: Shannon Kosman, Tracy Kosman, Anne Inghram, Christina Kosman, Colleen Mcdermott, Edwin Mcdermott, James Kosman, Jony Kosman, Kelly Albers
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Jacob Agnew Jacob William Agnew , Age 36

Lives at 437 Fox St, Longmont, CO 80504-1527 Longmont CO 80504 437 Fox St
Prior addresses: 4656 Antler Ct, Johnstown, CO 80534-8737 Johnstown CO 80534 4656 Antler Ct 923 Birchdale Ct, Windsor, CO 80550-2760 Windsor CO 80550 923 Birchdale Ct 6764 Desert Storm AVE, Rm 307B, Fort Campbell, KY 42223-5500 Fort Campbell KY 42223 6764 Desert Storm AVE, Rm 307B
Relatives: Michael Agnew, Jeremiah Agnew, Julie Gehring, Julie Michaud, Kathy Agnew, Mary Agnew, Tiffany Agnew
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Julie Michaud Julie Anne Michaud , Age 37

Lives at 437 Fox St, Longmont, CO 80504-1527 Longmont CO 80504 437 Fox St
Prior addresses: 2025 Hopper Ln, Apt A202, Loveland, CO 80538-8691 Loveland CO 80538 2025 Hopper Ln, Apt A202 923 Birchdale Ct, Windsor, CO 80550-2760 Windsor CO 80550 923 Birchdale Ct 847 Sumner ST, Longmont, CO 80501-4836 Longmont CO 80501 847 Sumner ST
Relatives: Jonathan Michaud, Dennis Michaud, Emily Michaud, Jacob Agnew, Julie Gehring, Micah Michaud, Timothy Michaud, Alvin Gehring, Amanda Michaud
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Susan Ross Susan Carol Ross , Age 79

Lives at 437 Fox St, Longmont, CO 80504-1527 Longmont CO 80504 437 Fox St
Prior addresses: 3200 Bluff St, Unit 408, Boulder, CO 80301-4146 Boulder CO 80301 3200 Bluff St, Unit 408 5000 Butte St, Lot 295, Boulder, CO 80301-6312 Boulder CO 80301 5000 Butte St, Lot 295 3455 Table Mesa Dr, Apt K229, Boulder, CO 80305-5841 Boulder CO 80305 3455 Table Mesa Dr, Apt K229
Relatives: Alexander Dorgan-Ross, Carol Ross, Gressa Rowland, Jessica Caridi, Thomas Ross, Andrew Charlet, Daniel Ross, Frank Caridi
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David Dunn David Keith Dunn , Age 77

Lives at 437 Fox St, Longmont, CO 80504-1527 Longmont CO 80504 437 Fox St
Prior addresses: 20760 Keno Worden Rd, Klamath Falls, OR 97603-9542 Klamath Falls OR 97603 20760 Keno Worden Rd 20514 Mutt Ct, Bend, OR 97701-7935 Bend OR 97701 20514 Mutt Ct 63163 Boyd Acres RD, Bend, OR 97701-8516 Bend OR 97701 63163 Boyd Acres RD
Relatives: Debra Dunn, David Dunn, Eldon Dunn, Jaime Dunn, Nathaniel Dunn, Ruby Dunn, Thomas Dunn, Alexandra Ravn, Andrew Ravn
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David Dunn David K Dunn , Age 77

Lives at 20514 Mutt Ct, Bend, OR 97701-7935 Bend OR 97701 20514 Mutt Ct
Prior addresses: 437 Fox ST, Longmont, CO 80504-1527 Longmont CO 80504 437 Fox ST 611 NE Bellevue DR, Unit 411, Bend, OR 97701-2093 Bend OR 97701 611 NE Bellevue DR, Unit 411
Relatives: David Dunn, Debra Dunn, Jaime Dunn, Nathaniel Dunn, Alexandra Ravn, Andrew Ravn, Cheryl Gowdy, Eldon Dunn, Kyan Dunn
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Alexander Dorgan-Ross Alexander M Dorgan-Ross , Age 49

Lives at 115 Emery St, Unit 5113, Longmont, CO 80501-6015 Longmont CO 80501 115 Emery St, Unit 5113
Prior addresses: 13206 Lakecrest Dr, Cypress, TX 77429-2672 Cypress TX 77429 13206 Lakecrest Dr 3200 Bluff St, Unit 408, Boulder, CO 80301-4146 Boulder CO 80301 3200 Bluff St, Unit 408 437 Fox St, Longmont, CO 80504-1527 Longmont CO 80504 437 Fox St
Relatives: Jessica Caridi, Carol Ross, Ginger Smith, Gressa Rowland, Judith Ross, Susan Ross, Thomas Ross, Andrew Charlet
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Neighbors

431 Fox St
Longmont, CO
View Property Report
443 Fox St
Longmont, CO
View Property Report
442 Elliott St
Longmont, CO
View Property Report
448 Elliott St
Longmont, CO
View Property Report

FAQs

Who lives at 437 Fox St, Longmont, CO 80504?
According to our records, the current person living in 437 Fox St is Sean Kosman.
Is this property currently for sale?
The property is not for sale and last sold for $435,000 on Feb 20, 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 $445,000, reflecting a -4% 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 1,375 sq ft of living space on a 6,447 sq ft lot, built in 1971 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 431 Fox St, 443 Fox St, and 442 Elliott St, each with its own property report to help compare size, value, and residents.