Commercial Services

San Francisco

At Stewart, we understand that your commercial real estate transactions can be complex. When dealing with sophisticated transactional structures and changing legal requirements, you need a title company that can help simplify a multitude of intricate details. The San Francisco office is committed to serving as your single point of contact to provide the customized title information, underwriting and settlement solutions you need – all with magnificent customer service in mind. Whether you’re working locally, nationwide or around the globe, our knowledgeable, flexible team has the expertise you can count on for all your commercial transactions.

Contact Us

100 Pine Street,
Suite 450,
San Francisco, CA 94111

(800) 366-7839

Meet Our Staff

Office Leadership

Name Contact
Rich Blumenthal Senior Vice President / Senior Underwriting Counsel / Manager - Stewart Title Guaranty Company Office: (415) 403-9080 x14
Toll Free: (800) 366-7839


Name Contact
Marion Aaron Sr. Underwriting Counsel (Commercial Services) Office: (415) 403-9013

Business Development

Name Contact
Justin Sommer Senior Business Development Officer Office: (415) 403-9080

Escrow, Closing & Title

Name Contact
Leticia Colón Escrow Officer Office: (415) 403-9080
Leah Deffenbaugh Commercial Service Specialist Office: (415) 403-9080