Members in Good Standing of:

Apartment Owners Association

Community Associations Institute

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Deck repair and waterproofing in Los Angeles, San Diego, and select areas of Northern California.



Installation of Waterproof Coatings and decking, as well as Concrete Resurfacing and Stairway Repair is our primary business.

​This concentration of effort shows in the quality of our installations - not only immediately after the work is completed, but more importantly, years later. As a result, most of our business comes from repeat customers and referrals by our customers.

Our company provides waterproofing and deck surfacing over walkways, balconies, stairways, pool decks, entry ways, courtyards and much more. Western Magnesite has evolved into an industry leader utilizing the finest materials and products.

To achieve this level of service and customer loyalty, we have assembled a unique group of people possessing highly-regarded skills. Our strong management team provides you with the best possible service, and supports our dedicated and trained installation teams. When you entrust waterproof deck coatings, concrete resurfacing and stairway repair to us, we become part of your team.

Western Magnesite Co. is licensed by the state of California as a contractor, and our Workers’ Compensation and General Liability Policies cover every installation.

Want to speak to a live person instead?  

Call our office directly:

1-800- WESTMAG

Se Habla Espanol.

Fill out the form at right to request your free estimate.  A representative will contact you within 24 business hours.


We've built our livelihood on protecting your investments. From private homes to apartment buildings, condos, and townhomes, our team has the knowledge and the skill to get your job done to your liking while also helping to keep your building and its occupants safe. Call today to learn how your vision can be realized.


​​Welcome to Western Magnesite Company, the leading provider of waterproof deck coatings in Los Angeles.

Lic. #768786

Have a question?  Call us now at 800-WESTMAG (937-8624)

Based in Los Angeles, Western Magnesite services all of Southern California (including SAN DIEGO) and parts of Northern California.


Feel free to browse our image gallery to see some of our work, or check out the 2566391725 we offer.


Western Magnesite Company has been in business since 1961.

​We are fully Licensed, Bonded and Insured.