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  • $5,850,000

    90 Walnut Avenue, Mill Valley, CA 94941

    3beds
    2,292sqft
    Single Family Residence
    Built in 2024
    6,377.18 Square Feet Lot
    $5,850,000 Zestimate®
    $2,552/sqft
    $7,632 Estimated rent

    Home value

    $5,850,000

    $5.44M - $6.32M

    $7,632/mo

    Zestimate® history
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    $36,485/mo

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    What's special

    Modern-day finishesFenced level backyardCherished mt tam viewsMagazine-worthy kitchenDedicated home officeCustom cabinetryTop-quality timeless finishes
    Located in the heart of Mill Valley's most prestigious and beloved neighborhoods, this Sycamore Park custom dream home was recently built new from ground up in 2024. Not one phase was overlooked from start to finish with this multi-year building experience including the design, planning, permitting, and construction. With the influence of the owner's attention to detail and careful vision, the highly respected and reputable architect and contractor, Urban Building Workshop and Tamalpais Construction respectively, executed top craftsmanship into this stunning home that will be enjoyed by generations to come. Designed thoughtfully at approximately 2,292 sq. ft. of living space, the home has the ideal layout with an open floor plan consisting of the kitchen, living room and dining room combined as one great room with soaring 14-foot-high vaulted ceilings. The magazine-worthy kitchen features an eat-in banquette area, oversized island with breakfast bar seating, custom cabinetry and much more. All day natural light pours into the home from a 16-foot sliding glass pocket door that was strategically designed and installed to provide an indoor and outdoor living experience with direct access to the deck with gas fire pit and fenced level backyard. There are a total of 3BR/3BA plus a dedicated home office that could be used as the fourth bedroom if needed. Constructed for all phases of life, the spacious primary suite bedroom is located on the main living level of the home with a luxury resort-like bathroom featuring custom dual sink vanity, soaking tub, Limestone cobble floor tiles, and walk-in closet. The modern-day finishes have been carefully sourced, hand-picked, and curated to provide warmth, style and comfort by choosing top-quality timeless finishes that will stand the test of time. Imported finishes and fixtures properly chosen to execute the vision such as deVol fixtures from England, an Italian ILIVE 6-burner gas range, built-in 42-inch double door Sub-Zero Refrigerator, honed Carrera marble stone, handmade Moroccan ceramic tiles, and wide planked oak wood floors, just to name a few. The home is also highlighted by a one-car garage plus driveway parking, air conditioning, cherished Mt Tam views and a sunny peaceful rooftop balcony. Professionally designed landscaping was implemented and has matured since installation to provide a serene setting and privacy. This is a rare opportunity to avoid the challenging and costly experience of building a new home.

    Zillow last checked:

    Listing updated:

    Listed by:

    Josh Burns DRE #01477796 415-307-2463,

    Sotheby's International Realty 415-901-1700

    Bought with:

    Arrian C Binnings

    Christie's Int'l Real Estate

    Sejal Binnings, DRE #01837866

    Christie's International Real

    Source: BAREIS,MLS#: 326040597MLS LogoOriginating MLS: Marin County

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 3
    • Bathrooms: 3
    • Full bathrooms: 3
    Primary bedroom
    • Features: Ground Floor, Walk-In Closet(s)
    • Level: Main
    Bedroom
    • Level: Upper
    Primary bathroom
    • Features: Double Vanity, Soaking Tub
    Bathroom
    • Level: Main,Upper
    Dining room
    • Features: Formal Area
    • Level: Main
    Family room
    • Level: Upper
    Kitchen
    • Features: Breakfast Area, Kitchen Island, Marble Counter
    • Level: Main
    Living room
    • Features: Cathedral/Vaulted, Deck Attached, Great Room
    • Level: Main
    Heating
    • Central
    Cooling
    • Central Air
    Appliances
    • Included: Built-In Gas Range, Built-In Refrigerator, Dishwasher, Disposal, Range Hood, Microwave, Dryer, Washer
    • Laundry: In Garage
    Features
    • Flooring: Carpet, Wood
    • Windows: Dual Pane Full
    • Basement: None
    • Number of fireplaces: 1
    • Fireplace features: Gas Starter, Living Room
    Interior area
    • Total structure area: 2,292
    • Total interior livable area: 2,292 sqft

    Property

    Parking
    • Total spaces: 2
    • Parking features: Garage Door Opener, Inside Entrance, Paved
    • Garage spaces: 1
    • Has uncovered spaces: Yes
    Features
    • Levels: Two
    • Stories: 2
    • Patio & porch: Deck
    • Fencing: Back Yard,Full,Wood
    • Has view: Yes
    • View description: Mt Tamalpais
    Lot
    • Size: 6,377 sqft
    • Features: Auto Sprinkler F&R, Landscaped, Landscape Front
    Details
    • Parcel number: 02822113
    • Special conditions: Standard

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Contemporary
    • Property subtype: Single Family Residence
    Materials
    • Foundation: Concrete Perimeter
    • Roof: Composition
    Condition
    • Year built: 2024

    Utilities & green energy

    • Electric: 220 Volts
    • Sewer: Public Sewer
    • Water: Public
    • Utilities for property: Public

    Community & neighborhood

    Location
    • Region: Mill Valley

    HOA & financial

    HOA
    • Has HOA: No

    Other

    Other facts
    • Road surface type: Paved

    Price history

    DateEventPrice
    5/22/2026Sold$5,850,000+18.2%$2,552/sqft
    Source: BAREIS #326040597 Report a problem
    5/20/2026Pending sale$4,950,000$2,160/sqft
    Source: BAREIS #326040597 Report a problem
    5/14/2026Listed for sale$4,950,000+167.6%$2,160/sqft
    Source: BAREIS #326040597 Report a problem
    9/27/2021Sold$1,850,000+2.8%$807/sqft
    Source: BAREIS #321078946 Report a problem
    9/1/2021Pending sale$1,799,000$785/sqft
    Source: BAREIS #321078946 Report a problem
    8/21/2021Listed for sale$1,799,000$785/sqft
    Source: BAREIS #321078946 Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$34,504 +4.2%$2,717,720 +53.6%
    2024$33,115 +21.5%$1,769,440 -6.2%
    2023$27,263 +13.5%$1,887,000 +2%
    2022$24,024 +29.8%$1,850,000 +162.2%
    2021$18,513 +110.8%$705,652 +1%
    2020$8,780 +2.7%$698,418 +2%
    2019$8,550 -1.5%$684,726 +2%
    2018$8,683 -10.6%$671,301 +2%
    2017$9,714 +5.6%$658,139 +2%
    2016$9,200 +1.2%$645,235 +1.5%
    2015$9,094 -4.6%$635,546 +2%
    2014$9,535 $623,099 +0.5%
    2013-- $620,287 +2%
    2012-- $608,128 +2%
    2011-- $596,207 +0.8%
    2010-- $591,751 -0.2%
    2009-- $593,158 +2%
    2008-- $581,528 +2%
    2007-- $570,127 +2%
    2006-- $558,952 +2%
    2005-- $547,996 +2%
    2004-- $537,252 +1.9%
    2003-- $527,405 +2%
    2002-- $517,067 +2%
    2001-- $506,929

    Find assessor info on the county website

    Neighborhood: Sycamore/Tamalpais Park

    Nearby schools

    GreatSchools rating
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    Estimated market value
    $5,850,000
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    Estimated market value
    $5,850,000