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Be prepared for your appointment by having all your documents ready. If you're not sure, you can give us a call or email us. We will be happy to assist with the preparation of your taxes. 

Where's my refund?

Use the following link to check on the status of your refund. You will need the following information that can be found on your tax returns.

  • Social security number or ITIN

  • Your filing status

  • Your exact refund amount


For appointments you can also call (909) 865-2921.

Appointments with Victor Sr. and Marco by telephone only. Please call (909) 865-2921. 

Our Services

We are a full service tax firm that is open year-round. We are licensed professionals that can handle all your tax and business needs. We are constantly adapting new technology to better serve our clients, in-office or virtually. We strive to provide our clients with the best service possible. 

Virtual Service Avaliable


Se Habla Español

Tax and Business Planning


Individual and Small Business Tax Preparation


Sierra Tax Service has been family owned and operated since 1986. We offer fast and reliable services year-round.

Here at Sierra Tax Service, we offer you trustworthy and high quality services at affordable prices. Have peace of mind knowing that your taxes and your business will be taken care of by our fully-trained and licensed professionals. All our preparers are licensed, bonded, and registered with CTEC and the Internal Revenue Service. 


Meet Our Family:

Victor M. Sierra, Sr. 

Marco A. Sierra

Lupe F. Gonzalez

Blanca E. Sierra

Ruby M. Sierra  

Jasmine Sierra Martinez

Victor M. Sierra, Jr.

Lizbeth Sierra

Juan C. Sanchez


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