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140 s 31st St, Boulder, CO 80305

  • $865,000

    Last sold date unavailable

  • 3

    bed

  • 1

    bath

  • 1,521

    Sqft ($622/Sqft)

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About 140 s 31st St

Property type House
Neighborhood
Year built 1955
HOA fee $0/month
Lot size 7,492 Sqft
Movoto estimate
Property description
This 3-bedroom, 1-bathroom single-family home is located at 140 s 31st St, Boulder, CO, 80305, in the Martin Acres neighborhood in Boulder County and was built in 1955. This home offers 1,521 square feet of living space on a 7,492 sq ft lot. The estimated market value is $865,000, approximately $569 per square foot.
$865K
Range: $717K-$1.01M
Last 30 days 
  • Year Property taxes Tax assessment
  • 2024
    $4,797 +1.8%
    $61,285 +21.58%
  • 2023
    $4,714 +16.8%
    $50,409 -2.8%
  • 2022
    $4,036 +4.9%
    $51,859 +7.55%
  • 2021
    $3,848 +7.6%
    $48,220
  • 2020
    $3,575 +1.6%
    $48,220
  • 2019
    $3,520 +11.0%
    $48,220 +10.13%
  • 2018
    $3,172 +17.2%
    $43,783 -9.55%
  • 2016
    $2,707 -15.8%
    $48,405
  • 2015
    $3,216
    —
  • 140 s 31st St
    $946K
  • Martin Acres
    $945K +9% y/y
  • 80305
    $889K -25% y/y
  • Boulder
    $1.05M -26% y/y
No chart available
Statistics calculated by Movoto
Est. value Bed/bath Sqft mi
150 S 31st St, Boulder, CO 80305 $905,000 3/1 1,770 0.01
130 S 31st St, Boulder, CO 80305 $837,000 3/1 1,026 0.01
120 S 31st St, Boulder, CO 80305 $795,000 3/1 1,296 0.02
155 S 32nd St, Boulder, CO 80305 $1,095,000 4/1 2,761 0.03
165 S 32nd St, Boulder, CO 80305 $1,042,000 3/1 1,819 0.03
160 S 31st St, Boulder, CO 80305 $828,000 3/1 1,337 0.03
145 S 32nd St, Boulder, CO 80305 $1,107,000 4/2 2,293 0.03
175 S 32nd St, Boulder, CO 80305 $792,000 2/1 1,040 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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10/10
Fairview High School
public Grades 9-12
Boulder Valley Re 2 School District
Source: GreatSchools.org © 2026. All rights reserved.

Around Martin Acres

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