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221 N Delaware StreetSan Mateo, CA 94401

For Sale

$1,198,000

Smart Buyer Rebate $11,980

An extra-deep lot in downtown San Mateo with two units and room to grow. Built in 1907, this single-family home retains its original character, including an enclosed front porch. It has been converted so that each unit has its own full kitchen and bath. The front unit offers 2 bedrooms and 1 bath, and the back unit offers 1 bedroom and 1 bath. New heating and air conditioning are already in place. The possibilities are wide open. Live in one unit and let the rent from the other help cover the mortgage. Use both for multigenerational living, with privacy and independence under one roof. Or add it to your portfolio as a two-unit investment. The property is delivered vacant, so you can set your own rents and move at your own pace. Out back, the oversized yard is a rare find in such a central location. Mature fig and lemon trees frame a generous space for gardening and entertaining, with the potential to expand the existing home or add another dwelling. A detached garage and long driveway offer off-street parking, along with flexibility for storage, a workshop, or a possible future ADU conversion. Walk to the shops and restaurants of downtown San Mateo, with Caltrain and Hwy 101 close by for an easy commute anywhere on the Peninsula.

Listed by Michael Mclean

·

Coldwell Banker Realty

·

6502406566

Last updated October 29, 2026

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Source: MLSL #ML82064806

Listing Facts

  • TypeSingle-family
  • NeighborhoodDowntown San Mateo
  • Bedrooms3
  • Bathrooms2
  • Days on Prevu15
  • Size1,070 sqft
  • Price per sqft$1,120

Amenities

  • Parking

Location

Mortgage Calculator

Listing History

10/16/2026
Listed by Coldwell Banker Realty
$1,198,000
  1. 10/16/2026$1,198,000
    Listed by Coldwell Banker Realty

Property Details for 221 N Delaware Street

Exterior

Construction

  • Roof: Composition
  • Stories: 1
  • Stories Total: 1
  • Year Built: 1907

Measurements

  • Building Area Total: 1,070
  • Lot Size Acres: 0.13
  • Lot Size Area: 6,038
  • Lot Size Source: Assessor
  • Lot Size Units: Square Feet

Financial

Taxes

  • Parcel Number: 032-214-140

Interior

Features

  • Flooring: Carpet, Laminate
  • Interior Features: High Ceilings

Measurements

  • Living Area: 1,070

Rooms

  • Basement: Crawl Space
  • Bathrooms Full: 2
  • Bedrooms Total: 3

Other

Location

  • City Region: Eastern Addition/Downtown Area

Parking

Parking

  • Garage Spaces: 1
  • Garage: Yes
  • Parking Features: Detached

Schools

Elementary School

  • Elementary School District: San Mateo-Foster City Elementary

High School

  • High School District: San Mateo Union High

Utilities

Equipment

  • Cooling: Zoned
  • Has Cooling: Yes
  • Heating: Zoned
  • Has Heating: Yes
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 3 bedrooms and 2 bathrooms in this single-family home at 221 N Delaware Street.

Does this single-family home have parking?

Yes, there is 1 parking space available for 221 N Delaware Street.

How does 221 N Delaware Street compare to other single-family homes in Downtown San Mateo?

This single-family home is listed 21% below the average price for single-family homes in Downtown San Mateo and has been on the market for 107 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 1,070 sqft.

221 N Delaware Street is a 3-bedroom, 2-bath single-family home for sale in San Mateo CA 94401. Available on Prevu for 15 days at $1,198,000. This residence features 1,070 square feet of living space, located in Downtown San Mateo. The median listing price for single-family homes in this area is $988,000. Property amenities include parking. Browse more single-family home listings in San Mateo.

The data relating to real estate for sale on this display comes in part from the Internet Data Exchange program of the MLSListings™️ MLS system. Real estate listings held by brokerage firms other than Prevu Real Estate are marked with the Internet Data Exchange and detailed information about them includes the names of the listing brokers and listing agents. Based on information from the MLSListings MLS as of 10/29/2026. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Data Services by Constellation Data Labs. IDX display powered by Prevu Real Estate. Copyright 2026 MLSListings Inc. All rights reserved.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.