Home > Contact Us
Contacting California Building Material Supply and Our Business Hours
Toll free customer service
800 215 7372
.
Urgent Needs Cell phone
626 263 0531
.
Antelope Valley Yard
7656 East Avenue T - 8
Littlerock, CA 93543
.
Requests for quotes and bids should be sent to:
Oliver Llaban: Sales@EarthStoneRock.com
Chris Gilcrest: Chris@EarthStoneRock.com
.
Request for help with order status, invoices, and purchase orders should be sent to:
Emily Peralta - Emily@EarthStoneRock.com
Alvin Issac: Support@EarthStoneRock.com


Request for help with login, and other website related issues should be sent to:
Aiman Khan - aimankhan@EarthStoneRock.com

Request for help with accounting issues for purchase orders, invoices and bills:

sales@earthstonerock.com

Rock Yard Address
7656 East Avenue T 8
Littlerock CA 93543

Acton Yard
632 Sierra Highway,
Acton CA 93510


Mailing - No physical inventory here
4408 Vahan Court
Lancaster CA 93536


Business Hours -
Monday - 5:30 am to 7:00 pm
Tuesday - 5:30 am to 7:00 pm
Wednesday - 5:30 am to 7:00 pm
Thursday - 5:30 am to 7:00 pm
Friday - 5:30 am to 7:00 pm
Saturday - 5:30 am to 7:00 pm
Sunday - Church and Family


We provide customer service via phone, text, live video, E-mail and meeting with you on your site in most areas of California.

Our standard payment terms for transport are COD.
Joint check and Net 15 and 30 day terms are available for commercial accounts on approved credit and preliminary lien information provided at time of order.