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For sale
  • Price cut: $100K (5/27)
    $3,695,000

    3135 11th St, Boulder, CO 80304

    5beds
    6,187sqft
    : 
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    Single Family Residence
    Built in 2005
    9,513 Square Feet Lot
    $-- Zestimate®
    $597/sqft
    $-- HOA

    What's special

    Sun-room with mountain viewsPrivate laundryFormal dining roomSpacious mudroomBrazilian teak floorsVaulted ceilings and skylights
    Luxury Living in Boulder's Coveted Newlands Neighborhood. Just minutes from downtown Boulder and the foothills, this custom-designed home blends exceptional craftsmanship with modern luxury. Brazilian teak floors, custom granite, stone, and knotty alder woodwork elevate the interiors, while vaulted ceilings and skylights create an airy, light-filled ambiance. The main level boasts a formal dining room, gourmet inspired kitchen with butler's pantry, home office/bedroom, spacious mudroom, and a private studio with a half bath. The inviting family room features a stunning stone gas fireplace with an antique barn timber mantel. The primary suite offers a private deck with foothill views, a gas fireplace, and a spa-like bath with a jetted tub, steam shower, and custom closet. Upstairs, a sun-room with mountain views, guest suite with en-suite bath, private laundry, and a second deck complete the space. Designed for entertainment, the finished basement includes two guest suites with a Jack-and-Jill bath, an expansive media/rec room with a wet bar, mini-fridge, fireplace, built-ins, and a drop-down movie screen, plus a private entrance and secret storage. Cutting-edge mechanical and solar systems ensure comfort and efficiency, including two sump pumps, a backup generator, whole-house water and air purification, radiant heat, and a swamp cooler. The backyard is a private retreat with a trellised patio, custom gas firepit, greenhouse, and raised garden boxes. The oversized heated two-car garage offers ample storage.This extraordinary home in Newlands offers luxury, sustainability, and prime location-schedule your tour today!
    119 days
    |
    217
    |
    5
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Ryan Sondrup 970-672-1129,

    NexStep Real Estate Group

    Source: IRES as distributed by MLS GRID,MLS#: 1053294MLS Logo

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      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 5
      • Bathrooms: 6
      • Full bathrooms: 2
      • 3/4 bathrooms: 2
      • 1/2 bathrooms: 2
      • Main level bathrooms: 2
      Rooms
      • Room types: Loft, Media Room
      Primary bedroom
      • Description: Wood
      • Features: Luxury Features Primary Bath, 5 Piece Primary Bath
      • Level: Upper
      • Area: 300 Square Feet
      • Dimensions: 15 x 20
      Bedroom 2
      • Description: Wood
      • Level: Upper
      • Area: 238 Square Feet
      • Dimensions: 17 x 14
      Bedroom 3
      • Description: Tile
      • Level: Basement
      • Area: 180 Square Feet
      • Dimensions: 12 x 15
      Bedroom 4
      • Description: Tile
      • Level: Basement
      • Area: 272 Square Feet
      • Dimensions: 17 x 16
      Bedroom 5
      • Description: Wood
      • Level: Main
      • Area: 238 Square Feet
      • Dimensions: 17 x 14
      Dining room
      • Description: Wood
      • Level: Main
      • Area: 180 Square Feet
      • Dimensions: 12 x 15
      Family room
      • Description: Wood
      • Level: Main
      • Area: 435 Square Feet
      • Dimensions: 29 x 15
      Kitchen
      • Description: Wood
      • Level: Main
      • Area: 480 Square Feet
      • Dimensions: 24 x 20
      Laundry
      • Description: Tile
      • Level: Upper
      • Area: 77 Square Feet
      • Dimensions: 7 x 11
      Recreation room
      • Description: Tile
      • Level: Basement
      • Area: 1394 Square Feet
      • Dimensions: 41 x 34
      Study
      • Description: Tile
      • Level: Main
      • Area: 154 Square Feet
      • Dimensions: 11 x 14
      Heating
      • Zoned, Radiant
      Cooling
      • Evaporative Cooling, Ceiling Fan(s)
      Appliances
      • Included: Gas Range, Double Oven, Dishwasher, Refrigerator, Washer, Dryer, Microwave, Disposal
      • Laundry: Sink, Washer/Dryer Hookup
      Features
      • Eat-in Kitchen, Separate Dining Room, Cathedral Ceiling(s), Open Floorplan, Pantry, Natural Woodwork, Walk-In Closet(s), Wet Bar, Jack & Jill Bathroom, Kitchen Island, Steam Shower
      • Flooring: Wood
      • Doors: French Doors
      • Windows: Skylight(s), Window Coverings
      • Basement: Full,Partially Finished,Sump Pump
      • Has fireplace: Yes
      • Fireplace features: Two or More, Gas, Gas Log, Family Room, Bedroom, Basement
      Interior area
      • Total structure area: 3,933
      • Total interior livable area: 6,187 sqft
      • Finished area above ground: 3,933

      Property

      Parking
      • Total spaces: 2
      • Parking features: Garage Door Opener, Attached, Heated Garage, Oversized
      • Attached garage spaces: 2
      • Details: Attached
      Accessibility
      • Accessibility features: Level Lot
      Features
      • Levels: Two
      • Stories: 2
      • Patio & porch: Patio, Deck
      • Exterior features: Sprinkler System, Balcony
      • Spa features: Bath
      • Fencing: Fenced,Wood,Vinyl
      • Has view: Yes
      • View description: Hills
      Lot
      • Size: 9,513 Square Feet
      • Features: Level, Paved, Curbs, Gutters, Sidewalks, Street Light, Alley
      Details
      • Parcel number: R0000603
      • Zoning: Res
      • Special conditions: Private Owner

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Contemporary
      • Property subtype: Single Family Residence
      Materials
      • Frame, Stone, Stucco
      • Foundation: Slab
      • Roof: Composition
      Condition
      • New construction: No
      • Year built: 2005

      Utilities & green energy

      • Electric: Excel Energy, Photovoltaics Seller Owned
      • Gas: Xcel Energy
      • Sewer: Public Sewer
      • Water: City
      • Utilities for property: Natural Gas Available, Electricity Available, Cable Available, High Speed Avail
      Green energy
      • Energy efficient items: Windows

      Community & HOA

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

      Financial & listing details

      • Price per square foot: $597/sqft
      • Tax assessed value: $4,439,800
      • Annual tax amount: $26,458
      • Date on market: 3/9/2026
      • Listing terms: Cash,Conventional
      • Exclusions: Seller Personal Items, mini fridge in garage, and gas bbq grill
      • Electric utility on property: Yes
      • Road surface type: Asphalt

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        5/27/2026Price change$3,695,000-2.6%$597/sqft
        Source: IRES as distributed by MLS GRID #1053294 Report a problem
        4/11/2026Price change$3,795,000-2.6%$613/sqft
        Source: IRES as distributed by MLS GRID #1053294 Report a problem
        3/9/2026Listed for sale$3,895,000-1.3%$630/sqft
        Source: IRES as distributed by MLS GRID #1053294 Report a problem
        12/16/2025Listing removed$3,945,000$638/sqft
        Source: IRES as distributed by MLS GRID #1028247 Report a problem
        7/27/2025Price change$3,945,000-1.3%$638/sqft
        Source: IRES as distributed by MLS GRID #1028247 Report a problem
        7/12/2025Listed for sale$3,995,000$646/sqft
        Source: IRES as distributed by MLS GRID #1028247 Report a problem
        7/1/2025Listing removed$3,995,000$646/sqft
        Source: IRES as distributed by MLS GRID #1028247 Report a problem
        4/25/2025Price change$3,995,000-2.4%$646/sqft
        Source: IRES as distributed by MLS GRID #1028247 Report a problem
        3/12/2025Listed for sale$4,095,000-1.2%$662/sqft
        Source: IRES as distributed by MLS GRID #1028247 Report a problem
        9/19/2024Listing removed$4,145,000$670/sqft
        Source: IRES as distributed by MLS GRID #1005816 Report a problem
        6/3/2024Price change$4,145,000-1.2%$670/sqft
        Source: IRES as distributed by MLS GRID #1005816 Report a problem
        3/28/2024Listed for sale$4,195,000-1.3%$678/sqft
        Source: IRES as distributed by MLS GRID #1005816 Report a problem
        9/7/2023Listing removed--
        Source: IRES as distributed by MLS GRID #992017 Report a problem
        8/2/2023Price change$4,250,000-1.2%$687/sqft
        Source: IRES as distributed by MLS GRID #992017 Report a problem
        7/14/2023Listed for sale$4,300,000+83%$695/sqft
        Source: IRES as distributed by MLS GRID #992017 Report a problem
        9/14/2016Sold$2,350,000-4.1%$380/sqft
        Source: IRES as distributed by MLS GRID #790022 Report a problem
        5/2/2016Listed for sale$2,450,000+53.1%$396/sqft
        Source: RE/MAX Alliance-Wadsworth #790022 Report a problem
        1/9/2012Sold$1,600,000-9.9%$259/sqft
        Source: IRES as distributed by MLS GRID #664505 Report a problem
        9/2/2011Listed for sale$1,775,000+67.5%$287/sqft
        Source: Active Website #664505 Report a problem
        12/16/2009Sold$1,060,000-39.6%$171/sqft
        Source: Public Record Report a problem
        8/27/2007Sold$1,756,000+225.2%$284/sqft
        Source: Public Record Report a problem
        5/13/2004Sold$540,000+1.9%$87/sqft
        Source: Public Record Report a problem
        7/29/2002Sold$530,000+60.7%$86/sqft
        Source: Public Record Report a problem
        7/19/1999Sold$329,900$53/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$27,295 +1.8%$277,488 -11.7%
        2024$26,821 +22.3%$314,264 -1%
        2023$21,925 +4.9%$317,312 +34.4%
        2022$20,907 +19.7%$236,098 -2.8%
        2021$17,472 $242,893 +21%
        2020$17,472 +21.7%$200,722
        2019$14,358 $200,722 +21.2%
        2018$14,358 $165,600 -28.8%
        2017$14,358 +1.6%$232,687 +42.6%
        2016$14,126 +5.6%$163,180 +10.8%
        2015$13,376 +8%$147,283
        2014$12,384 +2.4%$147,283
        2013$12,096 +0.9%$147,283 +2%
        2012$11,990 +4.2%$144,394
        2011$11,503 +7.1%--
        2010$10,741 +14.3%$142,320 -11.3%
        2009$9,399 +3.5%$160,470 +9.2%
        2008$9,078 +146.1%$146,890
        2007$3,689 +19.9%$146,890 +193.8%
        2006$3,077 +11.6%$50,000
        2005$2,757 +0.7%$50,000 +10.8%
        2004$2,737 +4.6%$45,110
        2003$2,618 +10.3%$45,110 +20.3%
        2002$2,373 $37,510 -90.8%
        2001-- $409,900

        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

        65 / 100
        Somewhat Walkable
        40 / 100
        Some Transit
        95 / 100
        Biker's Paradise

        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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