Commercial roofing you can count on.

TPO, PVC and Roof Coating Experts 

A Bay Area Commercial
 Roofing Contractor

Serving Northern California
Since 2002

Commercial Roofing Projects Spotlight

Novato Firestone Single Ply
66,00 sq ft
Firestone TPO
Skilled Nursing Facility

Drone shot of roof covered in solar panels TPO single ply membrane at Kohl's roof in Petaluma.65,000 sq ft Acrylic Roof Coating over TPO Kohl’s, Petaluma Retail

50,000 sq ft
TPO & Composition Shingle
Yuba City
Assisted Living Facility

An 80,000 sq ft acrylic roof coating system in El Cerrito.80,000 sq ft
Silicone Roof Coating
El Cerrito Shopping Center

Why Our Customers Keep Coming Back

Our men installing two medium-sized TPO single ply roofs.Over the past two decades we’ve built our reputation as a commercial roofer and general contractor with:

Transparent Estimates

We value your trust, and will happily answer any questions about our quotes.

Professional Craftsmanship

We do high-quality work on time, and on budget.

Friendly Customer Service

We are easy to work with and actively listen to your needs. Your satisfaction is the key to our success.

Custom Solutions

We think out of the box and solve your problems.

The Best Materials

We only use reputable, high-quality materials.


"My company has relied on ACS as a valued resource for roofing and waterproofing for some years now. [...] Timely and comprehensive proposals. Competitive pricing. Workable scheduling. Efficient and courteous workforce. Knowledgeable and experienced sales, management and office staff. Work product of the highest quality. [...] We look no further than ACS for our Roofing and Waterproofing needs. Highly recommend.""
Tom Hastings
Business Owner
Bill D[...] always put the customers first always willing to go beyond the normal to assist us."
Lawrence Stauffer
Building Owner
"The best company we have worked with for our roofing needs. Mousa, who heads their crews, is one of the most professional and competent employee a company could want. When his crews were booked and couldn't get out to us immediately, he personally took care of us. This company has great employees and we will continue to use them for all our construction needs. We highly recommend them."
Business Owner, Trey Jay LLC
"The foreman had the greatest attitude. He went above and beyond."
Christophe Nussbaumer
Operations Manager, City Hope

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