What We Do

C& J Kreins Tax Service is a full-service income tax agency, preparing Federal, State and Out-of-State Personal, Small Business and Trust Tax Returns.  We know how to make the tax code work for you and we stand behind our work.  We are a trusted local agency, serving local individuals and businesses for more than 30 years.


We are conveniently located with easy freeway access in Concord, CA. 


Our Tax Service is open year-round… Evening and weekend appointments are always available.


No matter how complex (or simple) your tax needs are, we are available to assist you with your tax return.  We are dedicated to finding every tax deduction that you have coming.  We will thoroughly review your current (and past returns if necessary) to ensure that we will file the most accurate return.