We Keep Water Out of Your Building. 

“We cannot thank you enough for stepping in, on…our newly coated roofing project in Menlo Park so smoothly and masterfully.

We look forward to referring you without further reservation.” – Arnell Enterprises

Screened Contractor on HomeAdvisorTom Arnell is just one of the many customers who depend on Allied Construction Services for their commercial roofing needs.

Before you go any further, you need to feel good about calling us.  Here’s a list of commonly asked questions.  

Thank you for giving us the opportunity to turn you into another happy customer

Got Roof Troubles? Don’t Stress. Call ACS. (925)724-2324

 Commercial • Industrial • Multi-Family Apartments • HOAs • Hospitals

2nd Generation Family-Owned Business

What Solution Works Best for You?

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TPO Roofing

1/2 of all new roofs are TPO. Find out if this popular choice is right for you »

PVC Roofs

The Cadillac of Roofs known for its fire resistance and durability. Find out why »

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Roof Coatings

Don’t replace your roof when you can restore it. Find out more about acrylic and silicone coatings»

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 Roof Maintenance

The NRCA says roofs should be inspected twice a year. Find out more »

A Licensed and Certified Commercial
Roofing and General Contractor

Serving Northern California
Since 2002

Roofing Highlight Videos

C&H Sugar Factory Sign and Brick Building with Two Silos
C&H had a sticky problem nobody wanted to fix. So we did.  
Watch »

Tice Valley Gymnasium added 15 years to their roof life with a silicone roof coating, and saved big. Watch »

Walnut Creek City Hall Roof with solar panels

Roofs matter most. WIthout a roof, you can’t have a home.   Watch our National Roofing Week video »

Customer Feedback

We could have cherrypicked these. Most companies do. 

Before you buy, we will provide a list of references for to speak with. Ask them anything you want so you can feel confident moving forward.

"Lol. I know that you’ll see it through. That’s why I have no trouble recommending you guys. Everyone is great when things go smoothly. The true test of character/quality is how someone responds to challenges."
Tom Hastings (01/21)
Business Owner, Long Time Customer, Via SMS Text
“We cannot thank you enough for stepping in, on Tony’s recommendation and handling our newly coated roofing project in Menlo Park so smoothly and masterfully…We look forward to [indecipherable] and referring you without further reservation.”
Arnell Enterprises, Inc. (01/21)
Via Handwritten Note
"Bill D[...] always put the customers first always willing to go beyond the normal to assist us."
Lawrence Stauffer
Building Owner
"We both were very impressed with the project. It had to be a very tough project because of the layout of the roofs, the fact people are living there and the project oversight with Irvine, ABB, etc.

Your foreman, Aurelio Garcia did a stand up job and should be commended. Dan and I had to laugh as he brought his red pen and couldn’t find anything to mark up."
Tom Absher (12/20)
Building Envelope Technology Associates via Email
"The foreman had the greatest attitude. He went above and beyond."
Christophe Nussbaumer
Operations Manager, City Hope

Professional Memberships, Awards and Certifications