About Us: Contact Us

About Us | ShareBuilder
About Us | ShareBuilder
About Us | ShareBuilder

Call Us

Need to speak with someone? Our Customer Service group is here to help you. Call us during service hours to speak with a Customer Service Associate.

General Questions
800-747-2537

Talk to a Retirement Specialist
877-464-0292

Place a trade by phone ($19.95)
866-590-7629

Hours: Monday–Friday, 8 AM – 9 PM ET.

Email Us

Whether you have an account or are thinking about opening one, email a Customer Service Associate at any time.

Mailing Address

Capital One ShareBuilder
83 South King Street
Suite 700
Seattle, WA 98104

Human Resources

Looking for a challenge? View our current career opportunities.

Media Inquiries

Alison.Cahill-Rouse@capitalone.com