*Sierra Business Service is a Family Owned Establishment. We Have Been Located in Diamond Springs for Over Thirteen Years. Our Background in Tax Return Preparation Exceeds 25 Years. We Own the Building Where Our Office is Located. It is South of the Fire Station and Behind the Firehouse Cafe. *Sierra Business Service's Prime Business is in the Preparation of Tax Returns for Individuals, Partnerships, Corporations, and Non-profit Organizations. We are Expanding into Bookkeeping for Small Businesses. We are Actively Seeking Bookkeeping Clients.