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Sold on 12/15/2025
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721 9th St, Boulder, CO 80302

  • $2,609,700

    Last sold 12/15/2025

  • 4

    bed

  • 3

    bath

  • 2,187

    Sqft ($1,193/Sqft)

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About 721 9th St

Property type House
Neighborhood
Year built 1911
HOA fee $0/month
Lot size 0.29 Acre
Movoto estimate
Rental estimate
Property description
This 4-bedroom, 3-bathroom single-family home is located at 721 9th St, Boulder, CO, 80302, in the Flagstaff neighborhood in Boulder County and was built in 1911. This home offers 2,187 square feet of living space on a 12,545 sq ft lot. The estimated market value is $2,530,000, approximately $1,157 per square foot.
$2.53M
Range: $2.27M-$2.78M
Last 30 days 
Rental est.: $5,992/month
Gross rent multiplier: 36.3
  • — Off Market
    —
  • Dec 2025
    Public Records
  • Dec 15, 2025 Sold
    $2,609,700
  • Dec 2025
  • Dec 12, 2025 Sold
    $2,609,700 (-5.1%)
  • Oct 18, 2025 Price Change
    $2,749,000 (-1.5%)
  • Jun 13, 2025 Price Change
    $2,790,000 (-2.1%)
  • May 13, 2025 Listed
    $2,850,000 (+175.6%)
  • May 2025
  • May 13, 2025 Listed
    $2,850,000
  • Aug 2012
    Public Records
  • Aug 29, 2012 Sold
    $1,034,000
  • Aug 2012
  • Aug 26, 2012 Sold
    $1,034,000 (-10.1%)
  • Jul 23, 2012 Listed
    $1,150,000 (+2.8%)
  • Feb 2007
    Public Records
  • Feb 26, 2007 Sold
    $1,119,000 (+34.8%)
  • Jul 2006
    Public Records
  • Jul 20, 2006 Sold
    $830,000 (+17.7%)
  • Apr 2004
    Public Records
  • Apr 20, 2004 Sold
    $705,000 (+17.5%)
  • Dec 2002
    Public Records
  • Dec 27, 2002 Sold
    $600,000
  • Year Property taxes Tax assessment
  • 2024
    $13,355 +1.8%
    $151,963 -2.37%
  • 2023
    $13,123 +14.2%
    $155,648 +25.78%
  • 2022
    $11,491 +4.9%
    $123,745 -2.8%
  • 2021
    $10,958 +5.5%
    $127,306 +6.65%
  • 2020
    $10,391 +1.6%
    $119,370
  • 2019
    $10,232 +8.5%
    $119,370 +9.71%
  • 2018
    $9,433 +29.5%
    $108,806 -9.55%
  • 2016
    $7,283 +5.6%
    $120,291
  • 2015
    $6,897
    —
  • 721 9th St
    $2.6M
  • Flagstaff
    $3.62M +29% y/y
  • 80302
    $1.45M -3% y/y
  • Boulder
    $1.05M -29% y/y
No chart available
Statistics calculated by Movoto
Est. value Bed/bath Sqft mi
719 9th St, Boulder, CO 80302 $1,653,000 3/1 1,561 0.01
743 9th St, Boulder, CO 80302 $1,629,000 3/1 1,521 0.02
717 9th St, Boulder, CO 80302 $2,541,000 4/2 2,596 0.02
748 9th St, Boulder, CO 80302 $1,302,000 2/1 1,904 0.02
760 9th St, Boulder, CO 80302 $1,059,000 3/1 1,054 0.03
740 9th St, Boulder, CO 80302 $1,426,000 3/1 960 0.03
747 9th St, Boulder, CO 80302 $2,108,000 4/1 2,219 0.03
764 9th St, Boulder, CO 80302 $1,395,000 3/1 1,025 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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