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442 Marine St, Boulder, CO 80302

$2,254,000

Last sold date unavailable

  • 4

    bed

  • 2

    bath

  • 2,110

    Sqft ($946/Sqft)

House not for sale
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About 442 Marine St

Property type House
Neighborhood
Year built 1905
HOA fee $0/month
Lot size 10,019 Sqft
Movoto estimate
Rental estimate
Property description
This 4-bedroom, 2-bathroom single-family home is located at 442 Marine St, Boulder, CO, 80302, in the Flatirons neighborhood in Boulder County and was built in 1905. This home offers 2,110 square feet of living space on a 10,019 sq ft lot. The estimated market value is $2,254,000, approximately $1,068 per square foot.
$2.25M
Range: $1.73M-$2.77M
Last 30 days 
Rental est.: $6,525/month
Gross rent multiplier: 25.5
  • Year Property taxes Tax assessment
  • 2025
    $12,488 +3.9%
    $137,219 -4.33%
  • 2024
    $12,017 -3.0%
    $143,434 -2.5%
  • 2023
    $12,387 +12.2%
    $147,118 +23.78%
  • 2022
    $11,038 +4.9%
    $118,858 -2.8%
  • 2021
    $10,525 +6.9%
    $122,280 +8.06%
  • 2020
    $9,850 +1.6%
    $113,157
  • 2019
    $9,699 +9.7%
    $113,157 +10.98%
  • 2018
    $8,840 +12.2%
    $101,959 -9.55%
  • 2016
    $7,877 +5.6%
    $112,722
  • 2015
    $7,459
    —
  • 442 Marine St
    $1.99M
  • Flatirons
    $2.32M -41% y/y
  • 80302
    $1.41M -11% y/y
  • Boulder
    $1M -33% y/y
No chart available
Statistics calculated by Movoto
Est. value Bed/bath Sqft mi
450 Marine St, Boulder, CO 80302 $2,413,000 4/2 3,326 0.01
434 Marine St, Boulder, CO 80302 $2,165,000 3/1 2,334 0.01
458 Marine St, Boulder, CO 80302 $3,156,000 4/3 2,785 0.02
466 Marine St, Boulder, CO 80302 $3,252,000 3/1 2,975 0.03
441 Marine St, Boulder, CO 80302 $2,623,000 3/2 2,896 0.03
435 Marine St, Boulder, CO 80302 $3,057,000 5/3 2,462 0.03
445 Marine St, Boulder, CO 80302 $209,000 —/— — 0.03
429 Marine St, Boulder, CO 80302 $2,419,000 4/2 2,536 0.03

Estimated values are based on public record data and automated valuation models. Values are not guaranteed and may not reflect current market conditions.

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8/10
Boulder High School
public Grades 9-12
Boulder Valley Re 2 School District
Source: GreatSchools.org © 2026. All rights reserved.

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