$1,698,000 - 423 42nd Avenue, San Mateo

  • 3Beds
  • 2Baths
  • 1,180SQ. Feet
  • 0.13Acres

San Mateo Home For Sale

Wonderful opportunity to own a bright, sun-filled home in the highly desirable Westwood Knolls neighborhood! It has exceptional potential to move in, renovate, expand, or build new. The existing ~1,180 sq ft single-level home features 3 bedrooms and 2 bathrooms, with main living areas thoughtfully positioned to capture natural light and views. A spacious combined living and dining area creates an inviting setting, complemented by hardwood floors, abundant storage, and updated kitchen. Step outside to a private backyard, perfect for entertaining or relaxing with patio space, lawn area, mature landscaping, and room to create your dream outdoor retreat. Additional highlights include an attached two-car garage with ample storage and workspace. Ideally located just minutes from shopping, dining, parks, and major commute routes, including proximity to Hillsdale Shopping Center, Caltrain, and easy access to Highways 92 and 101. Enjoy a peaceful residential setting while remaining conveniently connected to both San Francisco and Silicon Valley. Don't miss this rare chance to own a view property with incredible upside in one of San Mateo's most sought-after neighborhoods!

Sales Agent

Sam Smith
  • Sam Smith
  • San Clemente Realtor ®
  • Phone: 949-204-5110
  • Cell: 949-204-5110
  • Contact Agent Now

Amenities

  • Parking Spaces2
  • # of Garages2

School Information

  • DistrictOther

Essential Information

  • MLS® #ML82043124
  • Price$1,698,000
  • Bedrooms3
  • Bathrooms2.00
  • Full Baths2
  • Square Footage1,180
  • Acres0.13
  • Year Built1953
  • TypeResidential
  • Sub-TypeSingle Family Residence
  • StatusActive
  • Listing AgentCathy Liu
  • Listing OfficeRealty Innova

Exterior

  • RoofComposition, Shingle

Additional Information

  • Date ListedApril 15th, 2026
  • Days on Market2
  • ZoningR10006
  • Short SaleN
  • RE / Bank OwnedN

Community Information

  • Address423 42nd Avenue
  • Area699 - Not Defined
  • CitySan Mateo
  • CountySan Mateo
  • Zip Code94403

Interior

  • HeatingForced Air
  • CoolingCentral Air
  • FireplaceYes
  • FireplacesLiving Room
  • # of Stories1

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San Mateo Knolls

  • City:
    San Mateo
  • Price Range:
    $1,645,000 - $1,645,000
  • Current Listings:
    1
  • HOA Dues:
    $0
  • Average Price per Square Foot:
    $1,645

  • City:
    San Mateo
  • Price Range:
    $319,900 - $12,500,000
  • Current Listings:
    160
  • HOA Dues:
    $593
  • Average Price per Square Foot:
    $968

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Based on information from California Regional Multiple Listing Service, Inc. as of April 17th, 2026 at 4:26am PDT. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.