Contact Us
2266 Camino Ramon
San Ramon, CA 94583

Phone:      (925) 830-4848
Fax:          (925) 830-0252
 
Business Hours 
Monday - Friday: 8am - 12pm & 1pm - 5pm
Saturday - Sunday: Closed
 
 
 

 
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Managers
 
Homeowner Association Services’ managers are members of Community Association Institute (CAI) and the California Association of Community Managers (CACM). 

You may contact your property manager via email by simply clicking on their name.
 
 
Randy Ritter, CCAM
Randy Ritter joined Tom Bantz as a partner at HAS in 1999 after many years of Operational and Financial management experience with Allegiance Healthcare. Randy has a Bachelor of Science degree in Finance from Indiana University. Randy is a Certified Community Association Manager (CCAM) through the California Association of Community Managers.
 

 
 

 

Ryan Bantz, CCAM, CPA
Ryan joined HAS in 2007 after working as a Certified Public Accountant in the public accounting industry. Ryan joined Randy as a partner at HAS in 2016. Ryan is a graduate of Cal Poly, San Luis Obispo, where he earned a Bachelor of Science degree in Business Administration with a concentration in Accounting.   Ryan is a Certified Community Association Manager (CCAM) through the California Association of Community Managers.
 
 
 

 
Brian Ritter, CCAM
Brian Ritter joined the firm in 2001 after spending time in the marketing and operational fields. Brian has a Bachelor of Arts degree in Communication from the University of Arizona. Brian is a Certified Community Association Manager (CCAM) through the California Association of Community Managers.




 
 
 

Barbara Dawson, CCAM
Barbara Dawson joined Tom and Randy after eight years with another homeowner association management company. Barbara graduated from San Diego State University, earning a Bachelor of Science degree in Social Science. Barbara is a Certified Community Association Manager (CCAM) through the California Association of Community Managers.
 
 
 
 

 

Dave Dawson, CCAM
Dave Dawson joined HAS in 2008 after working for Wells Fargo. During his 20-year tenure, Dave was a manager in the home mortgage lending industry. Dave holds a Bachelor of Science degree in Business Administration (Finance) from the University of Southern California. Dave is a Certified Community Association Manager (CCAM) through the California Association of Community Managers.
 
 
 
 
 
Karen Atkins recently joined the HAS management team after working her way from reception to assistant manager to a portfolio manager. Prior to joining us, Karen earned her BS in Business Administration from San Jose State University and worked in customer service and sales for two large marketing companies. Karen also served on the Board of her HOA for the past 10 years and has a unique perspective when it comes to knowing what a Board is looking for in a manager.
 
 
 
 

Stacey is a graduate of San Diego State University where she earned her degree in Economics with a minor in Marketing. She previously worked in the market research department of a firm in San Diego before joining HAS in 2015. Stacey has earned her Certified Community Association Manager designation from CACM.