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David Hartley retired from Stone & Youngberg LLC as managing partner on Jan 1st '92.
David Hartley, pictured here in 1985, retired as managing partner of Stone & Youngberg in 1992.
Jul 19, 2011 | www.bondbuyer.com

Stone & Youngberg's Email Address Formats

Stone & Youngberg uses at least 1 format(s):

Stone & Youngberg Email Formats	Example	Percentage
FLast@syllc.com	JDoe@syllc.com	49%
First.Last@syllc.com	John.Doe@syllc.com	1%
FLast@syllc.com	JDoe@syllc.com	49%
First.Last@syllc.com	John.Doe@syllc.com	1%

Frequently Asked Questions

Where is Stone & Youngberg's headquarters located?

Stone & Youngberg's main headquarters is located at One Ferry Building, San Francisco, CA 94111, US. The company has employees across 1 continents, including North America.

What is Stone & Youngberg's phone number?

You can contact Stone & Youngberg's main corporate office by phone at

+1-415-445-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Stone & Youngberg's official website and social media links?

Stone & Youngberg's official website is syllc.com and has social profiles on LinkedIn.

What is Stone & Youngberg's NAICS code?

Stone & Youngberg's NAICS code is 52 - Finance and Insurance.

How many employees does Stone & Youngberg have currently?

As of December 2025, Stone & Youngberg has approximately 62 employees across 1 continents, including North America. Key team members include Vp --Fixed Income Sales: J. M. G.Owner: M. E.Director: M. C.. Explore Stone & Youngberg's employee directory with LeadIQ.

What industry does Stone & Youngberg belong to?

Stone & Youngberg operates in the Financial Services industry.

What is Stone & Youngberg's email format?

Stone & Youngberg's email format typically follows the pattern of FLast@syllc.com. Find more Stone & Youngberg email formats with LeadIQ.

When was Stone & Youngberg founded?

Stone & Youngberg was founded in 1931.

Stone & Youngberg

Q: What is Stone & Youngberg's official website and social media links?

Stone & Youngberg's official website is syllc.com. Stone & Youngberg has social profiles on LinkedIn.

Q: How many employees does Stone & Youngberg have currently?

Stone & Youngberg has approximately 62 employees.

Financial ServicesUnited States51-200 Employees

Founded in 1931, Stone & Youngberg is one of the nation's oldest private investment firms.  

Stone & Youngberg provides underwriting and investment services and offers a wide variety of tax-exempt and taxable securities for investment by individuals and institutions.  

The firm is headquartered in San Francisco with offices in Los Angeles, San Diego, New York, Chicago, Phoenix, Albany, NY, Richmond, VA, Annapolis, MD and Big Bear Lake, CA.