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Off market
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  • $5,595,000

    3639 21st St, Boulder, CO 80304

    6beds
    6baths
    7,982sqft
    SingleFamily
    Built in 2007
    0.68 Acres Lot
    $5,595,000 Zestimate®
    $701/sqft
    $7,773 Estimated rent

    Home value

    $5,595,000

    $5.09M - $6.27M

    $7,773/mo

    Zestimate® history
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    Rent Zestimate®

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    $26,125/mo

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    $26,125/mo

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    What's special

    This secluded and sophisticated sanctuary is tucked away on a lush three-quarter acre lot in the heart of Boulder. Contemporary design integrates soaring ceilings, open floor plan & exquisite finishes. Natural light floods the home through floor-to-ceiling windows. The well-appointed chef's kitchen provides a wonderful gathering place w/ effortless indoor/outdoor flow. Mature landscaping on large lot provides ultimate privacy throughout the home and on 5 covered outdoor spaces. Exquisite master suite with cozy gas fireplace, adjoining deck & hot tub, spa-like master bath w/ steam shower and huge walk in closet. Six bedrooms with ensuite baths and FIVE car attached garage!!

    This property is off market, which means it's not currently listed for sale or rent on Zillow. This may be different from what's available on other websites or public sources.

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 6
    • Bathrooms: 6
    Heating
    • Forced air
    Cooling
    • Central, Geothermal, Other
    Appliances
    • Included: Dishwasher, Microwave, Refrigerator
    Features
    • Basement: Finished
    Interior area
    • Total interior livable area: 7,982 sqft

    Property

    Parking
    • Total spaces: 5
    • Parking features: Garage - Attached
    Features
    • Exterior features: Stone
    • Has view: Yes
    • View description: Mountain
    Lot
    • Size: 0.68 Acres
    Details
    • Parcel number: 146319131001

    Construction

    Type & style
    • Home type: SingleFamily
    Materials
    • Frame
    • Roof: Tile
    Condition
    • Year built: 2007

    Community & neighborhood

    Location
    • Region: Boulder

    Other

    Other facts
    • Inclusions: Dishwasher, Microwave, Refrigerator, Window Coverings, Garage Door Opener, Double Oven, Gas Range/Oven, Disposal, Smoke Alarm(s), Gas Bar-B-Q, Bar Refrigerator
    • Property Styles: 2 Story

    Price history

    DateEventPrice
    2/11/2021Sold$4,200,000-4.5%$526/sqft
    Source: IRES as distributed by MLS GRID #925631 Report a problem
    10/2/2020Listed for sale$4,400,000-2.2%$551/sqft
    Source: Compass - Boulder #925631 Report a problem
    8/25/2020Listing removed$4,500,000$564/sqft
    Source: Compass Colorado, Llc - Boulder #3313930 Report a problem
    3/6/2020Listed for sale$4,500,000$564/sqft
    Source: Compass - Boulder #888641 Report a problem
    10/14/2019Listing removed$4,500,000$564/sqft
    Source: Compass Colorado, LLC - Boulder #3313930 Report a problem
    7/19/2019Listed for sale$4,500,000+32.4%$564/sqft
    Source: Compass - Boulder #888641 Report a problem
    10/4/2013Sold$3,400,000-2.7%$426/sqft
    Source: IRES as distributed by MLS GRID #717816 Report a problem
    8/24/2013Listed for sale$3,495,000+34.4%$438/sqft
    Source: RE/MAX Alliance #717816 Report a problem
    5/5/2011Sold$2,600,000-6.3%$326/sqft
    Source: Public Record Report a problem
    12/20/2010Price change$2,775,000-5.9%$348/sqft
    Source: Pedal To Properties #629803 Report a problem
    5/29/2010Price change$2,950,000-11.9%$370/sqft
    Source: Pedal To Properties #629803 Report a problem
    4/11/2010Listed for sale$3,350,000+20.5%$420/sqft
    Source: Pedal To Properties #625295 Report a problem
    5/5/2009Sold$2,780,000-17.7%$348/sqft
    Source: Public Record Report a problem
    1/13/2009Price change$3,379,000-12.9%$423/sqft
    Source: NRT Denver #580146 Report a problem
    9/12/2008Listed for sale$3,879,000+391%$486/sqft
    Source: NRT Denver #580146 Report a problem
    8/16/2006Sold$790,000$99/sqft
    Source: Public Record Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$27,789 -19.7%$415,101 +29.8%
    2024$34,598 +15.1%$319,882 -21.6%
    2023$30,051 +4.9%$408,241 +26.2%
    2022$28,656 +15.1%$323,606 -2.8%
    2021$24,907 $332,919 +16.3%
    2020$24,907 +3.3%$286,136
    2019$24,099 $286,136 +2.9%
    2018$24,099 $277,963 -9.5%
    2017$24,099 +21.2%$307,303 +33.8%
    2016$19,884 +5.6%$229,701 +7%
    2015$18,829 +4.3%$214,750
    2014$18,056 -0.6%$214,750
    2013$18,158 +0.9%$214,750 -0.9%
    2012$17,998 +29.5%$216,751
    2011$13,900 +7.1%--
    2010$12,979 +105.2%$171,980
    2009$6,324 -44.2%$171,980 +74%
    2008$11,331 -3.3%$98,830 -38%
    2007$11,717 +3.9%$159,500
    2006$11,281 +13.6%$159,500
    2005$9,930 +0.7%$159,500 +12.8%
    2004$9,859 +20.4%$141,370
    2003$8,188 +10.3%$141,370 +20.5%
    2002$7,421 $117,330 -71%
    2001-- $404,600

    Find assessor info on the county website

    Neighborhood: Carolyn Heights

    Nearby schools

    GreatSchools rating
    Schools provided by the listing agent
    • Elementary: Columbine
    • Middle: Centennial
    • High: Boulder
    • District: Boulder Valley Dist Re2

    Source: The MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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    Estimated market value
    $5,595,000
    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value
    $5,595,000