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Shawn Bengtson

Office Broker - DRE 01236964

  • Office 760-805-7199
Questions?

117 N Delaware Street, San Mateo – $1,880,000

  • 6 Beds
  • 4,165 Sqft
  • .13 Acres
  • 26 DOM
  • 6 Beds
  • 4,165 Sqft
  • .13 Acres
  • 26 DOM

117 N Delaware Street

A high-quality Peninsula duplex with stable income, minimal expense drag, and clearly defined long-term upside.117 N. Delaware Street presents a rare opportunity to acquire a well-located duplex in the heart of San Mateo. The property consists of two large units, each configured as 3 bedrooms and 2 bathrooms with garage parking offering strong fundamentals for both owner-occupiers and long-term investors. With tenants in place for over 20 years, the asset provides stable in-place income and a clear path for predictable rent growth under California rent control guidelines. The property currently generates $7,610 per month ($91,320 annually), with a highly efficient expense. Market rents for comparable units are estimated at approximately $4,500+ per month, indicating meaningful long-term upside. At market levels, the property would generate approximately $108,000. Generous layouts, strong rental demand and a desirable unit mix support long-term growth and income optimization. Don't miss this rare opportunity whether as an investment or a property you could occupy!

Essential Information

  • MLS® #ML82043896
  • Price$1,880,000
  • Bedrooms6
  • Bathrooms0.00
  • Square Footage4,165
  • Acres0.13
  • Year Built1990
  • TypeResidential Income
  • Sub-TypeDuplex
  • StatusActive

Community Information

  • Address117 N Delaware Street
  • Area699 - Not Defined
  • CitySan Mateo
  • CountySan Mateo
  • Zip Code94401

Amenities

  • Parking Spaces2
  • ParkingCarport
  • # of Garages4
  • GaragesCarport

Interior

  • InteriorCarpet, Tile
  • HeatingCentral
  • CoolingNone
  • # of Stories2

Exterior

  • RoofShingle
  • FoundationConcrete Perimeter

School Information

  • DistrictOther

Additional Information

  • Date ListedApril 21st, 2026
  • Days on Market26
  • ZoningRM0004

Listing Details

  • AgentTim Gilmartin
  • OfficeGilmartin Group
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Tim Gilmartin, Gilmartin Group.

Based on information from California Regional Multiple Listing Service, Inc. as of May 17th, 2026 at 9:56am 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.