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For sale
  • $3,995,000

    3181 9th St, Boulder, CO 80304

    6beds
    5,465sqft
    : 
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    Single Family Residence
    Built in 2008
    7,870 Square Feet Lot
    $-- Zestimate®
    $731/sqft
    $-- HOA

    What's special

    Privacy fencingCarrara marble accentsThoughtfully integrated built-insDetached two-car garageFive spacious bedroomsSix bathroomsTop-of-the-line appliances
    Set in one of Newlands' most sought-after locations, 3181 9th Street is a timeless expression of craftsmanship, scale, and setting. Positioned on an oversized lot with desirable alley access, this property offers a sense of space and versatility that is increasingly hard to find, complete with a detached two-car garage and a beautifully finished studio above. Built in 2008 with a meticulous attention to detail, the home showcases enduring quality at every turn. Rich trimwork, crown molding, and thoughtfully integrated built-ins create a sense of quiet sophistication, while traditional finishes - including Carrara marble accents and top-of-the-line appliances - lend a refined, yet approachable elegance. The open floor plan is both functional and inviting, designed for seamless flow between living, dining, and kitchen spaces. Five spacious bedrooms and six bathrooms provide flexibility for a variety of lifestyles, while the fully finished basement expands the home's livable footprint. A charming white picket fence frames the front yard while the backyard unfolds as a private haven, complete with mature trees, privacy fencing, and a serene patio setting designed for relaxed gatherings or quiet moments. All of this is set within a highly sought-after Newlands location - just minutes from the neighborhood Foothills elementary school, North Boulder Park, the recreation center, and miles of trails at Mt. Sanitas Open Space.
    21 days
    |
    830
    |
    38
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Lynn Ryan 303-489-0309,

    milehimodern - Boulder

    Source: IRES as distributed by MLS GRID,MLS#: 1061391MLS Logo

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      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 6
      • Bathrooms: 6
      • Full bathrooms: 2
      • 3/4 bathrooms: 3
      • 1/2 bathrooms: 1
      • Main level bathrooms: 1
      Primary bedroom
      • Description: Hardwood
      • Features: Full Primary Bath, Tub+Shower Primary, 5 Piece Primary Bath
      • Level: Upper
      • Area: 242 Square Feet
      • Dimensions: 11 x 22
      Bedroom 2
      • Description: Hardwood
      • Level: Upper
      • Area: 132 Square Feet
      • Dimensions: 11 x 12
      Bedroom 3
      • Description: Hardwood
      • Level: Upper
      • Area: 117 Square Feet
      • Dimensions: 9 x 13
      Bedroom 4
      • Description: Hardwood
      • Level: Upper
      • Area: 120 Square Feet
      • Dimensions: 10 x 12
      Bedroom 5
      • Description: Carpet
      • Level: Basement
      • Area: 132 Square Feet
      • Dimensions: 12 x 11
      Dining room
      • Description: Hardwood
      • Level: Main
      • Area: 132 Square Feet
      • Dimensions: 11 x 12
      Family room
      • Description: Hardwood
      • Level: Main
      • Area: 304 Square Feet
      • Dimensions: 19 x 16
      Kitchen
      • Description: Hardwood
      • Level: Main
      • Area: 180 Square Feet
      • Dimensions: 15 x 12
      Laundry
      • Description: Tile
      • Level: Main
      • Area: 102 Square Feet
      • Dimensions: 6 x 17
      Study
      • Description: Hardwood
      • Level: Main
      • Area: 143 Square Feet
      • Dimensions: 11 x 13
      Heating
      • Hot Water, Radiant
      Cooling
      • Evaporative Cooling
      Appliances
      • Included: Gas Range, Self Cleaning Oven, Dishwasher, Refrigerator, Washer, Dryer, Microwave, Gas Bar-B-Q, Disposal
      • Laundry: Washer/Dryer Hookup
      Features
      • Eat-in Kitchen, Separate Dining Room, Open Floorplan, Pantry, Walk-In Closet(s), Jack & Jill Bathroom, Kitchen Island, Crown Molding, In-Law Floorplan
      • Flooring: Wood
      • Windows: Window Coverings, Wood Frames
      • Basement: Full,Partially Finished
      • Has fireplace: No
      • Fireplace features: None
      Interior area
      • Total structure area: 3,721
      • Total interior livable area: 5,465 sqft
      • Finished area above ground: 3,721

      Property

      Parking
      • Total spaces: 2
      • Parking features: Garage Door Opener, Detached, Oversized
      • Garage spaces: 2
      • Details: Detached
      Accessibility
      • Accessibility features: Level Lot, Level Drive, Main Level Laundry
      Features
      • Levels: Two
      • Stories: 2
      • Patio & porch: Patio, Deck
      • Exterior features: Sprinkler System
      • Fencing: Fenced,Wood
      • Has view: Yes
      • View description: Hills
      Lot
      • Size: 7,870 Square Feet
      • Features: Level, City Limits, Paved, Curbs, Gutters, Sidewalks, Street Light, Alley
      Details
      • Parcel number: R0005584
      • Zoning: RES
      • Special conditions: Private Owner

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Foursquare/Denver Square
      • Property subtype: Single Family Residence
      Materials
      • Frame, Wood Siding
      • Roof: Composition
      Condition
      • New construction: No
      • Year built: 2008

      Utilities & green energy

      • Electric: xcel
      • Gas: xcel
      • Sewer: Public Sewer
      • Water: City
      • Utilities for property: Natural Gas Available, Electricity Available, Cable Available, High Speed Avail
      Green energy
      • Energy efficient items: Windows, Thermostat

      Community & HOA

      Community
      • Security: Fire Alarm
      • Subdivision: Newlands
      HOA
      • Has HOA: No
      Location
      • Region: Boulder

      Financial & listing details

      • Price per square foot: $731/sqft
      • Tax assessed value: $3,606,300
      • Annual tax amount: $21,491
      • Date on market: 6/10/2026
      • Listing terms: Cash,Conventional
      • Exclusions: Seller's personal property + staging items.
      • Electric utility on property: Yes
      • Road surface type: Asphalt

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        6/10/2026Listed for sale$3,995,000-4.9%$731/sqft
        Source: IRES as distributed by MLS GRID #1061391 Report a problem
        6/10/2026Listing removed$4,199,000$768/sqft
        Source: IRES as distributed by MLS GRID #1057317 Report a problem
        4/23/2026Listed for sale$4,199,000+541.1%$768/sqft
        Source: IRES as distributed by MLS GRID #1057317 Report a problem
        4/29/2002Sold$655,000$120/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$22,273 +1.8%$225,394 -12.3%
        2024$21,887 +14.1%$257,126 -1%
        2023$19,188 +4.9%$259,620 +25.6%
        2022$18,298 +26.8%$206,630 -2.8%
        2021$14,430 $212,577 +28.2%
        2020$14,430 +8.8%$165,772
        2019$13,267 $165,772 +8.3%
        2018$13,267 $153,022 -9.5%
        2017$13,267 +3.2%$169,173 +14%
        2016$12,850 +5.6%$148,447 +31.3%
        2015$12,169 +28%$113,095
        2014$9,509 -2.1%$113,095
        2013$9,716 +0.9%$113,095 -2.5%
        2012$9,630 -2.2%$115,978
        2011$9,844 +113.9%--
        2010$4,603 +1.1%$121,790 +99.7%
        2009$4,555 +3.5%$60,990 -14.3%
        2008$4,400 +20.8%$71,190 +20.3%
        2006$3,641 -3%$59,180
        2005$3,753 +0.7%$59,180 -3.7%
        2004$3,727 +9.1%$61,430
        2003$3,414 +28.1%$61,430 +25.6%
        2002$2,665 $48,920 -87.9%
        2001-- $403,900

        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

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        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
        See how much you could borrow to make a competitive offer.

        Climate risks

        Neighborhood: Newlands

        Getting around

        51 / 100
        Somewhat Walkable
        39 / 100
        Some Transit
        88 / 100
        Very Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Foothill
        • Middle: Casey
        • 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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