Home > About > Our Staff > Alex Silapan - Accounting
Alex Silapan
E-mail is Accounting@EarthStoneRock.com
Alex was promoted to run the accounts receivable and accounts payable unit in December 2018.

Alex who spends time

California Building Material Supply is divided into 4 operational units:
1. The Business Unit; of marketing, sales and delivery of materials throughout the USA and Canada.
2. The E-commerce Unit; web site development and management, social media content development and postings, Dodge Reports, Google analytics and other related fields.
3. Material Yard Sales; sales of bulk and palleted building and landscape materials from our growing material yard locations
4. Field Operations; material deliveries, decomposed granite installation, boulder and stone installation, bocce court installation and maintenance and other works.
At California Building Material Supply Emily handles the generation of
Accounts payable
Accounts receivable
Purchase Orders
Final invoices

Requests for quotes and bids should be sent to
E-mail is Sales@EarthStoneRock.com
Request for help with order status, invoices and purchase orders should be sent to Emily Peralta at
E-mail is Emily@EarthStoneRock.com

Alex's Business Hours Are:
Monday - 8:00 am to 4pm

Tuesday - 8:00 am to 4pm
Wednesday - 8:00 am to 4pm
Thursday - 8:00 am to 4pm
Friday -
8:00 am to 4pm

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

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.

Alex Silapan - Accounting