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Shawn Bengtson

Office Broker - DRE 01236964

  • Office 760-805-7199
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421 Washington Avenue, Sunnyvale – $2,250,000

  • 5 Beds
  • 2,202 Sqft
  • .19 Acres
  • 13 DOM
  • 5 Beds
  • 2,202 Sqft
  • .19 Acres
  • 13 DOM

421 Washington Avenue

Exceptional Development Opportunity for Owner-Users, Investors, Contractors, and Developers! Currently configured as a duplex, featuring a 2-bedroom, 1-bath unit and a 3-bedroom, 1-bath unit. This property sits on a generous 8,100 sq ft lot just minutes from vibrant downtown Sunnyvale. Enjoy proximity to excellent schools, parks, shopping, dining, Caltrain, major tech employers, and transportation hubs. Previously approved for subdivision into two separate lots, the property was in process to obtain permit to construct two brand-new single-family homes, each over 2,300 sq ft on its own lot. Please note that the original subdivision approval has expired; the new owner will need to reapply. Larger or more units possible with ADU and SB9. All information regarding lot size, square footage, and development potential is believed to be reliable but is not guaranteed. Buyers are strongly encouraged to conduct their own due diligence, including independent verification of square footage and development feasibility under current regulations.

Essential Information

  • MLS® #ML82021364
  • Price$2,250,000
  • Bedrooms5
  • Bathrooms0.00
  • Square Footage2,202
  • Acres0.19
  • Year Built1953
  • TypeResidential Income
  • Sub-TypeDuplex
  • StyleRanch
  • StatusActive

Community Information

  • Address421 Washington Avenue
  • Area699 - Not Defined
  • CitySunnyvale
  • CountySanta Clara
  • Zip Code94086

Amenities

  • Parking Spaces2
  • ParkingCarport
  • # of Garages1
  • GaragesCarport
  • ViewNone

Interior

  • InteriorCarpet, Laminate, Stone
  • HeatingWall Furnace
  • CoolingNone
  • # of Stories1
  • StoriesOne

Appliances

Dishwasher, Gas Cooktop, Disposal, Gas Oven, Microwave, Refrigerator, Range Hood, Vented Exhaust Fan

Exterior

  • Lot DescriptionLevel
  • RoofComposition

School Information

  • DistrictOther

Additional Information

  • Date ListedSeptember 12th, 2025
  • Days on Market13
  • ZoningR4

Listing Details

  • AgentJennie Lee
  • OfficeIntero Real Estate Services
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Jennie Lee, Intero Real Estate Services.

Based on information from California Regional Multiple Listing Service, Inc. as of September 25th, 2025 at 9:26pm 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.