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Sold for $2,430,000 on 09/09/25
  • $2,430,000

    823 31st Ave, San Mateo, CA 94403

    7beds
    2,600sqft
    Single Family Residence,
    Built in 1951
    8,116 Square Feet Lot
    $2,421,000 Zestimate®
    $935/sqft
    $7,749 Estimated rent

    Home value

    $2,421,000

    $2.20M - $2.66M

    $7,749/mo

    Zestimate® history
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    $15,129/mo

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    What's special

    Located in one of San Mateos most sought-after neighborhoods, 823 31st Ave is a beautifully maintained 7-bedroom, 3.5-bathroom home with approx. 2,600 sq. ft. of living space. This spacious residence combines modern updates with plenty of room, making it perfect for a growing family or those seeking versatility. The main level features a bright open living area with large windows, a modern kitchen, a dining area, and a cozy family room. Also on this level are three well-sized bedrooms and 1.5 bathrooms. Upstairs offers four spacious bedrooms and two full baths, including a primary suite with ample closet space and an en-suite bathroom. The large backyard is ideal for gatherings, gardening, or relaxing, and is easily accessible from the main living area. This home features a collection of mature fruit trees, including four orange trees, one lemon tree, one calamansi tree, and one white peach tree, adding both charm and seasonal bounty to the outdoor space. A spacious garage provides ample storage and parking and includes an EV charger, catering to modern convenience. Just minutes from downtown San Mateo, this home offers easy access to shopping, dining, parks, schools, and major highways for a convenient commute to Silicon Valley and San Francisco.

    Zillow last checked: 8 hours ago

    Listing updated: September 10, 2025 at 04:43am

    Listed by:

    Disen Cai RE Group 70010134 650-622-2156,

    KW Advisors 650-627-3700

    Bought with:

    Disen Cai RE Group, 70010134

    KW Advisors

    Source: MLSListings Inc,MLS#: ML82018966MLS Logo

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 7
    • Bathrooms: 4
    • Full bathrooms: 3
    • 1/2 bathrooms: 1
    Bedroom
    • Features: PrimarySuiteRetreat, BedroomonGroundFloor2plus
    Bathroom
    • Features: PrimaryStallShowers, UpdatedBaths
    Dining room
    • Features: DiningArea, EatinKitchen
    Family room
    • Features: SeparateFamilyRoom
    Kitchen
    • Features: ExhaustFan
    Heating
    • Forced Air, Gas
    Cooling
    • None
    Appliances
    • Included: Dishwasher, Exhaust Fan, Freezer, Microwave, Gas Oven/Range, Refrigerator
    • Laundry: In Garage
    Features
    • Number of fireplaces: 1
    • Fireplace features: Living Room
    Interior area
    • Total structure area: 2,600
    • Total interior livable area: 2,600 sqft

    Property

    Parking
    • Total spaces: 2
    • Parking features: Attached, On Street
    • Attached garage spaces: 2
    Features
    • Exterior features: Back Yard
    Lot
    • Size: 8,116 sqft
    Details
    • Parcel number: 039200340
    • Zoning: R10006
    • Special conditions: Standard

    Construction

    Type & style
    • Home type: SingleFamily
    • Property subtype: Single Family Residence,
    Materials
    • Foundation: Concrete Perimeter
    • Roof: Shingle
    Condition
    • New construction: No
    • Year built: 1951

    Utilities & green energy

    • Gas: PublicUtilities
    • Sewer: Public Sewer
    • Water: Public
    • Utilities for property: Public Utilities, Water Public

    Community & neighborhood

    Location
    • Region: San Mateo

    Other

    Other facts
    • Listing agreement: ExclusiveRightToSell

    Price history

    DateEventPrice
    9/9/2025Sold$2,430,000+27%$935/sqft
    Source: MLSListings Inc #ML82018966
    9/16/2020Sold$1,913,000-8.4%$736/sqft
    Source: MLSListings Inc #ML81803013
    8/6/2020Listed for sale$2,088,888$803/sqft
    Source: Via Real Estate #ML81803013

    Public tax history

    YearProperty taxesTax assessment
    2024$24,774 +2.7%$2,029,930 +2%
    2023$24,116 +1.2%$1,990,129 +2%
    2022$23,835 +2.8%$1,951,107 +2%

    Find assessor info on the county website

    Neighborhood: Northwest Hillsdale

    Nearby schools

    GreatSchools rating
    Schools provided by the listing agent
    • District: SanMateoFosterCityElementary

    Source: MLSListings Inc. 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

    $2,421,000

    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

    $2,421,000