117 N Delaware ST, San Mateo, CA 94401

Show Photos

Verify your account to unlock exclusive photos, mortgage tools, and more.

Listing courtesy of Tim Gilmartin from Gilmartin Group. 650-348-2020

Selling Office: GILM.

Sold Price
$1,825,000
List Price
$1,880,000
Status
SOLD
Closing Date
Jun 26, 2026
MLS#
ML82043896
Subtype
mul
Year Built
1990
Living Area
4,165
Lot Size
5,750
Neighborhood
Eastern Addition/Downtown Area

Property Description

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!

Additional Information

Zoning
RM0004
Roof
Shingle
Foundation
Concrete Perimeter

Mortgage Calculator

Amount of Loan
Annual Interest Rate
%
Term of Loan
Years

Does not include any taxes or fees.
Please consult a financial professional.
Calculator source: Real Geeks

board logoBased on information from MLSListings MLS as of 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.


Copyright 2026 MLSListings Inc. All rights reserved