Diaz Enterprise Income Tax Service has been a trusted tax office since 1968. Owned and operated by Rogelio Diaz and family we have had the pleasure of providing tax service to the historic Santa Ana community and surrounding cities of all Orange County, Los Angeles County and Riverside County and San Bernardino County. Growing thanks to the support of our loyal clients we value so much. We specialize now in filing via email, to make things easier and save yourself an office visit. Simply email your w2 forms to us, and we will send you a link to upload all your forms in a private and secure portal. Easy as 1-2-3.