OAKLAND OFFICE

The Oakland office was established in 1946 by Leo Helzel, an Oakland attorney and CPA, in a small office near 14th and Broadway. The current 475 - 14th Street location is home to twenty staff.  Brenda Colburn Jemmot serves as head of our Oakland office.

Oakland City Center

475 14th Street
Suite 1200
Oakland, CA 94612

Ph: (510) 893-6908

Fax: (510) 873-0977

Oakland City Center

475 14th Street
Suite 1200
Oakland, CA 94612

Ph: (510) 893-6908

Fax: (510) 873-0977

< Oakland Office

Chris Umbach

CPA / Tax Manager

Chris Umbach, CPA, MST is a Tax Manager based in the Firm’s Oakland office.  Chris spent over 10 years in a “Big Four” CPA firm, working on a variety of multi-national, publicly traded tax clients.

Over the last nine years, Chris’ passion and specialty has been to provide tax compliance and consulting services for privately held clients in a variety of industries, including companies in the real estate industry, professional services, technology, and closely held family businesses. 

As a member of RINA’s Real Estate Practice, Chris works with clients in both the commercial and residential space, from a single owner, to private equity funds of dozens of investors.

Chris also assists RINA’s International Tax Practice Group with foreign-owned businesses and investors with the inbound tax implications and reporting on their US presence, as well as assists US-based companies expand their operations internally. 

Focus
  • International Business
  • International Tax
  • Tax compliance
  • Consulting
Industries
  • Real Estate
  • Technology
  • Professional Services
  • Closely-held businesses
Chris Umbach, CPA, Tax Manager

Chris Umbach

CPA / Tax Manager

Chris Umbach, CPA, MST is a Tax Manager based in the Firm’s Oakland office.  Chris spent over 10 years in a “Big Four” CPA firm, working on a variety of multi-national, publicly traded tax clients.

Over the last nine years, Chris’ passion and specialty has been to provide tax compliance and consulting services for privately held clients in a variety of industries, including companies in the real estate industry, professional services, technology, and closely held family businesses. 

As a member of RINA’s Real Estate Practice, Chris works with clients in both the commercial and residential space, from a single owner, to private equity funds of dozens of investors.

Chris also assists RINA’s International Tax Practice Group with foreign-owned businesses and investors with the inbound tax implications and reporting on their US presence, as well as assists US-based companies expand their operations internally. 

Focus
  • International Business
  • International Tax
  • Tax compliance
  • Consulting
Industries
  • Real Estate
  • Technology
  • Professional Services
  • Closely-held businesses

Credentials

Miami University, BS Accounting, 2002

University of Cincinnati, Master of Taxation, 2003

Certified Public Accountant

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