Contact Us Your Name (required) Your Email (required) Your Message By submitting your information, you consent to receive email communications from our office. Main OfficePhone: (510) 889-8885 Fax: (866) 860-5451 Email: office@estaxservices.com 1290 B Street, Suite 114 Hayward, CA 94541Show Map1290 B Street, Suite 114 Hayward, CA 94541Get Directions