HomeContactCustomers G&S Building Supplies 1335 N Ventura Ave. Ventura, CA 93001 (805) 643-5469 Questions? Let us know... Your name Please enter your name. Subject Please enter a subject. Your email Please enter a valid email. Your phone Please enter a valid phone number. Your message Please enter a message. Send Message Sent! Message failed. Please try again. Serving Ventura County Since 1934 "We Do More than Offer the Best Brands...We Teach You How to Use Them."