117 North Delaware Street, SAN MATEO, CA 94401

it's quick and easy

We'll never post to social networks

Instagram
This field is for validation purposes and should be left unchanged.
Name*
First Name Last Name
Phone*
Email*
Password*
*
- I accept the Terms and Confition

Already an account? Log in here

Log in

Please check username or password!

No account yet? Register here

Password forgotten? Reset your password

Reset your password

The email address does not seems to be correct!

Please check your email to reset your password

No account yet? Register here

Active Under Contract

est.$1,880,000/month.

Start My Approval

beds. baths. 4,165 Sqft.

Get More Info

Start An Offer

Payment Calculator

Home Price

Interest Rate

Down Payment

Term

$/mo

Interest Rate,

This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.

Mortgage Broker

Ray Avanzino
Polaris Capital Partners
Ray@polariscappartners.com
(650) 576-6531
NMLS# 288504
Company NMLS# 01391664

Start My Approval

or Call Now: (650) 576-6531

117 North Delaware Street, SAN MATEO, CA 94401

$1,880,000

Active Under Contract

est.$1,880,000/month.

Start My Approval

beds baths 4,165 Sq.ft.

Download Listing As PDF

Generating PDF

Property details for 117 North Delaware Street, SAN MATEO, CA 94401

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!

Broker details: Gilmartin Group

Listed by: Tim Gilmartin
Co-listing Broker: Gilmartin Group
Co-listing Agent: Kathryn Gerhardt

Property Description

MLS Information

Listing: ML82043896
Listing Last Modified: 2026-06-19

Property Details

Standard Status: Active Under Contract
MLS Status: Contingent
Built in: 1990
Lot size area: 5750 Square Feet

Geographic Data

County: San Mateo

Features

Interior Features

Flooring: Tile, Vinyl, Carpet
Living area: 4165

Exterior Features

Roof type: Shingle
Pool: None
Foundation: Concrete Perimeter

Parking

Garage spaces: 4

Utilities

Sewer: Public Sewer
Water: Public
Heating: Central, Forced Air

Property Information

Tax Information

Tax Annual Amount: $25,839

Rossetti Realty Inc.

117 North Delaware Street, SAN MATEO, CA 94401