111 Center Ave. Ste A, Pacheco, CA 94553

(925) 681-2141

Western Sierra

Here for all your roofing, gutters and solar needs!

About Us


Since 1996

We specialize in metal roofing, seamless gutters and solar electric systems. Western Sierra began installing metal roofing in 1996 and has expanded to seamless gutters and solar. Most of our business comes through referrals and word of mouth.    


Family Owned & Operated

Local. Established. Trusted

When you support the local economy, you support the local community. 

Servicing Contra Costa County, Alameda County and Solano County. 


President's Award

We have received the President’s Award in 2008 for metal roofing in the United States. Western Sierra offers great quality craftsmanship,  products and competitive pricing. Call for a friendly & honest quote today.  

Our Services

Metal Roofing


We strive to save you both time and money by combining our use of roofing knowledge, the highest quality parts and equipment, and our dedication to delivering exceptional service. We will not leave the job until it is finished and you are satisfied.



We have 5 3/4" , 7" and 5" O.G gutters, available in 32 colors. We offer a five year workmanship warranty and lifetime on the gutter material. Our installers have been with us for over 20 years.



  We will provide you with a full consultation to explain all of your available options so that you can choose the solar panels system that’s right for your home or business. We will work with you and adhere to your personal needs.   

Contact Us

Get a Free Estimate

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To get a free quote, or if you have questions or special requests, just give us a call. We look forward to serving you!

Western Sierra

111 Center Ave. Ste A, Pacheco, CA 94553

(925) 681-2141 License #957460


Monday - Friday: 7:00 am - 4:00 pm

Saturday - Sunday: Closed