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Sold for $1,315,000
    • $1,315,000

    21531 Knoll Way, Castro Valley, CA 94546

    4beds
    3,048sqft
    Single Family Residence
    Built in 1955
    8,712 Square Feet Lot
    $1,285,300 Zestimate®
    $431/sqft
    $4,907 Estimated rent

    Home value

    $1,285,300

    $1.16M - $1.44M

    $4,907/mo

    Zestimate® history
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    What's special

    Cozy fireplaceBeautifully landscaped backyardExercise roomAdditional bedroom suiteStunning hardwood floorsFloor-to-ceiling windowsSpacious bedrooms
    California Dreaming! This fabulous home offers an ideal blend of comfort and modern living. The level-in entry welcomes you into a bright space featuring an open-concept living & dining room, stunning hardwood floors, & floor-to-ceiling windows. Main level includes three spacious bedrooms & two bathrooms, while downstairs offers a flexible living area with an additional bedroom suite, office, exercise room, bonus room & kitchen. Lower level can be accessed from either interior or exterior. It is almost like having two homes in one. The great room features a cozy fireplace as well. Outdoor Oasis: Beautifully landscaped backyard and drought-tolerant front yard & a bay-view deck. Prime Location: Near Carlos Bee Park & Castro Valley BART Close to Trader Joe’s, coffee shops, and dining

    Zillow last checked:

    Listing updated:

    Listed by:

    Julie Cuellas DRE #01252720 510-682-5665,

    Red Oak Realty,

    Terry Martinez DRE #01726031 510-772-3746,

    Red Oak Realty

    Bought with:

    Bob Pace, DRE #01787031

    Intero Real Estate Services

    Source: bridgeMLS/CCAR/Bay East AOR,MLS#: 41090340MLS Logo

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 4
    • Bathrooms: 4
    • Full bathrooms: 4
    Rooms
    • Room types: Office
    Kitchen
    • Features: Dishwasher, Eat In Kitchen, Garbage Disposal, Microwave, Updated Kitchen
    Heating
    • Central
    Cooling
    • Ceiling Fan(s)
    Appliances
    • Included: Dishwasher, Microwave, Dryer, Washer
    • Laundry: Dryer, Washer
    Features
    • Dining Area, Updated Kitchen
    • Flooring: Tile, Carpet
    • Number of fireplaces: 2
    • Fireplace features: Family Room, Living Room
    Interior area
    • Total structure area: 3,048
    • Total interior livable area: 3,048 sqft

    Property

    Parking
    • Total spaces: 2
    • Parking features: Garage - Attached
    • Attached garage spaces: 2
    Features
    • Levels: Two Story
    • Stories: 2
    • Exterior features: Back Yard, Front Yard, Garden/Play, Terraced Down, Landscape Back, Landscape Front
    • Pool features: None
    • Fencing: Fenced
    Lot
    • Size: 8,712 Square Feet
    Details
    • Parcel number: 41518053
    • Special conditions: Standard

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Contemporary
    • Property subtype: Single Family Residence
    Materials
    • Stucco
    Condition
    • Existing
    • New construction: No
    • Year built: 1955

    Utilities & green energy

    • Electric: No Solar
    • Water: Public

    Community & HOA

    HOA
    • Has HOA: No
    Location
    • Region: Castro Valley

    Financial & listing details

    • Price per square foot: $431/sqft
    • Tax assessed value: $1,341,300
    • Date on market: 3/21/2025
    • Listing terms: Cash,Conventional

    Price history

    DateEventPrice
    4/25/2025Sold$1,315,000+1.2%$431/sqft
    Source: bridgeMLS/CCAR/Bay East AOR #41090340 Report a problem
    4/10/2025Pending sale$1,300,000$427/sqft
    Source: bridgeMLS/CCAR/Bay East AOR #41090340 Report a problem
    3/21/2025Listed for sale$1,300,000+188.9%$427/sqft
    Source: bridgeMLS/CCAR/Bay East AOR #41090340 Report a problem
    10/21/2010Sold$450,000-9.1%$148/sqft
    Source: CCAR #40471309 Report a problem
    10/4/2010Listed for sale$495,000+12.8%$162/sqft
    Source: Dudum Real Estate Group Report a problem
    9/1/2010Listing removed$439,000$144/sqft
    Source: TNC Report a problem
    7/29/2010Price change$439,000-11.3%$144/sqft
    Source: Dudum Real Estate Group #40471309 Report a problem
    6/9/2010Price change$495,000-0.6%$162/sqft
    Source: Empire Realty Associates Report a problem
    4/10/2010Price change$498,000-5%$163/sqft
    Source: Empire Realty Associates Report a problem
    3/6/2010Price change$524,000-4.7%$172/sqft
    Source: Empire Realty Associates Report a problem
    1/10/2010Listed for sale$550,000-19.7%$180/sqft
    Source: Empire Realty Associates Report a problem
    10/12/2005Sold$685,000$225/sqft
    Source: Public Record Report a problem
    10/21/2004Sold$685,000+191.5%$225/sqft
    Source: Public Record Report a problem
    10/10/1995Sold$235,000$77/sqft
    Source: Public Record Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2026-- $1,341,300 +132.7%
    2025$7,656 +3%$576,494 +2%
    2024$7,433 +1.1%$565,194 +2%
    2023$7,351 +2.3%$554,115 +2%
    2022$7,184 +1.2%$543,253 +2%
    2021$7,097 +1.6%$532,601 +1%
    2020$6,988 -0.4%$527,143 +2%
    2019$7,019 +9.3%$516,811 +2%
    2018$6,423 $506,681 +2%
    2017$6,423 +6%$496,750 +2%
    2016$6,057 +7.5%$487,011 +1.5%
    2015$5,633 $479,700 +2%
    2014$5,633 $470,303 +0.5%
    2013-- $468,180 +2%
    2012-- $459,000 +2%
    2011-- $450,000 +32.4%
    2010-- $340,000 -9.3%
    2009-- $375,000 -39.2%
    2008-- $616,500 -13.5%
    2007-- $712,673 +2%
    2006-- $698,700 +2%
    2005-- $685,000 +104.7%
    2004-- $334,710 +1.9%
    2003-- $328,575 +24.3%
    2002-- $264,267
    Find assessor info on the county website

    Neighborhood: 94546

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    Estimated market value
    $1,285,300
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    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value
    $1,285,300

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