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818 Marine St, Boulder, CO 80302

$1,269,000

Last sold date unavailable

  • 3

    bed

  • 1

    bath

  • 1,348

    Sqft ($780/Sqft)

House not for sale
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About 818 Marine St

Property type House
Neighborhood
Year built 1890
HOA fee $0/month
Lot size 3,311 Sqft
Movoto estimate
Rental estimate
Property description
This 3-bedroom, 1-bathroom single-family home is located at 818 Marine St, Boulder, CO, 80302, in the Flatirons neighborhood in Boulder County and was built in 1890. This home offers 1,348 square feet of living space on a 3,311 sq ft lot. The estimated market value is $1,269,000, approximately $941 per square foot.
$1.26M
Range: $850K-$1.68M
Last 30 days 
Rental est.: $2,609/month
Gross rent multiplier: 33.6
  • Year Property taxes Tax assessment
  • 2025
    $6,330 +7.1%
    $65,544 -1.2%
  • 2024
    $5,909 +1.8%
    $66,337 -5.26%
  • 2023
    $5,804 +8.7%
    $70,022 +20.01%
  • 2022
    $5,342 +4.8%
    $58,345 +1.12%
  • 2021
    $5,097 +1.5%
    $57,701
  • 2020
    $5,023 +1.6%
    $57,701
  • 2019
    $4,946 +10.1%
    $57,701 +11.32%
  • 2018
    $4,494 +19.7%
    $51,833 -9.55%
  • 2016
    $3,755 +5.6%
    $57,304
  • 2015
    $3,556
    —
  • 818 Marine St
    $1.05M
  • Flatirons
    $2.02M -49% y/y
  • 80302
    $1.39M -12% y/y
  • Boulder
    $999K -33% y/y
No chart available
Statistics calculated by Movoto
Est. value Bed/bath Sqft mi
802 Marine St, Boulder, CO 80302 $1,012,000 2/1 984 0.02
1544 8th St, Boulder, CO 80302 $1,070,000 2/1 672 0.03
1547 9th St, Boulder, CO 80302 $1,485,000 4/1 1,860 0.03
1530 8th St, Boulder, CO 80302 $2,628,000 4/2 2,778 0.03
803 Marine St, Boulder, CO 80302 $1,771,000 4/3 2,048 0.03
1520 8th St, Boulder, CO 80302 $1,397,000 3/2 1,072 0.04
751 Marine St, Boulder, CO 80302 $2,054,000 5/2 1,726 0.05
1516 8th St, Boulder, CO 80302 $1,123,000 2/1 794 0.05

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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