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Sold for $1,995,000
  • $1,995,000

    636 Marine St, Boulder, CO 80302

    6beds
    4baths
    3,201sqft
    Multi Family
    Built in 1911
    -- sqft lot
    $1,987,200 Zestimate®
    $623/sqft
    $4,048 Estimated rent

    Home value

    $1,987,200

    $1.85M - $2.13M

    $4,048/mo

    Zestimate® history
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    $9,315/mo

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    $9,315/mo

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    What's special

    Welcome to 636 Marine Street in Boulder-a captivating historic multiplex that exudes charm and artistic flair. Nestled in an amazing location, this exquisite property invites you to explore the heart of Boulder with ease. Just a stone's throw from the vibrant Pearl Street Mall and within minutes of the renowned Chautauqua hiking trails, it provides an unparalleled living experience for the discerning buyer or investor. This multiplex boasts a total of six bedrooms and four bathrooms within an expansive 3,201 square feet. Set on a generous double lot of 11,282 square foot, the property not only offers ample living space and extensive outdoor privacy but also presents a unique opportunity for rental income, with four distinct units ready to accommodate tenants. Steeped in history and character, the property serves as an ideal retreat for artists seeking inspiration amidst its serene outdoor spaces and stunning views. Investors will appreciate its excellent rental history, as three of the four units are currently occupied, ensuring a steady income stream. The fourth unit is a spacious 1,395 square foot and has been the caretakers/artist unit. Smart reg compliant and meticulously maintained, this property is an exceptional investment on a quarter-acre of prime real estate. Whether you're drawn by its potential for student housing or the allure of a Sundance Film Festival escape, 636 Marine Street is your gateway to owning a piece of Boulder's vibrant community.

    Zillow last checked:

    Listing updated:

    Listed by:

    Lindsey Harshman 970-366-1691,

    Compass - Boulder

    Bought with:

    Matt Johnke, 323351

    Johnke, Matthew Realty

    Source: IRES as distributed by MLS GRID,MLS#: 1046759MLS Logo

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 6
    • Bathrooms: 4
    Heating
    • Forced Air
    Appliances
    • Included: Electric Range, Refrigerator, Washer, Dryer
    Features
    • Basement: None
    Interior area
    • Total structure area: 3,201
    • Total interior livable area: 3,201 sqft

    Property

    Parking
    • Total spaces: 2
    • Details: Less Than 1
    Features
    • Levels: Two
    • Stories: 2
    • Patio & porch: Patio, Deck
    • Has view: Yes
    • View description: Hills
    Lot
    • Size: 0.26 Acres
    • Features: Paved
    Details
    • Parcel number: R0003536
    • Zoning: RES
    • Special conditions: Private Owner

    Construction

    Type & style
    • Home type: MultiFamily
    • Property subtype: Multi Family
    Materials
    • Frame
    • Roof: Composition
    Condition
    • New construction: No
    • Year built: 1911

    Utilities & green energy

    • Electric: XCel
    • Gas: XCel
    • Water: City
    • Utilities for property: Natural Gas Available

    Community & neighborhood

    Location
    • Region: Boulder
    • Subdivision: Smiths Add To West Boulder

    Other

    Other facts
    • Income includes: Lease/Rents
    • Listing terms: Cash,Conventional

    Price history

    DateEventPrice
    1/9/2026Sold$1,995,000$623/sqft
    Source: IRES as distributed by MLS GRID #1046759 Report a problem
    11/7/2025Pending sale$1,995,000$623/sqft
    Source: REcolorado as distributed by MLS GRID #IR1046759 Report a problem
    11/3/2025Listed for sale$1,995,000+47.8%$623/sqft
    Source: IRES as distributed by MLS GRID #1046759 Report a problem
    5/2/2019Sold$1,350,000+291.3%$422/sqft
    Source: Public Record Report a problem
    9/23/1993Sold$345,000$108/sqft
    Source: Public Record Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$11,793 +2.5%$125,519 -8.3%
    2024$11,506 +15.2%$136,900 +0.3%
    2023$9,986 +2.9%$136,490 +28.9%
    2022$9,709 +6.9%$105,923 -4.6%
    2021$9,084 $111,054 +6.4%
    2020$9,084 +12.5%$104,362
    2019$8,078 $104,362 +12%
    2018$8,078 $93,175 -9.5%
    2017$8,078 +23.8%$103,011 +36.7%
    2016$6,524 +5.6%$75,364 -2.2%
    2015$6,178 -4.7%$77,069
    2014$6,480 +8%$77,069
    2013$6,001 +0.9%$77,069 +7.6%
    2012$5,949 -0.9%$71,639
    2011$6,002 +7.1%--
    2010$5,604 +21.3%$74,260
    2009$4,621 +3.5%$74,260 +2.8%
    2008$4,463 +15.4%$72,220
    2007$3,867 +3.9%$72,220 +19.4%
    2006$3,723 +5%$60,500
    2005$3,546 +0.7%$60,500 +4.2%
    2004$3,521 +4.8%$58,040
    2003$3,359 +10.3%$58,040 +20.6%
    2002$3,044 $48,130 -88.6%
    2001-- $423,500

    Find assessor info on the county website

    Neighborhood: Flatirons

    Nearby schools

    GreatSchools rating
    Schools provided by the listing agent
    • Elementary: Flatirons
    • Middle: Manhattan
    • High: Boulder

    Source: IRES as distributed by MLS GRID. 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
    $1,987,200
    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
    $1,987,200