Sigma Corporation

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About Sigma Corporation

We are general contractors who have been serving the Greater Bay Area since 1989.

We do residential new addition and remodeling. We also do commercial tenant improvement.


44110 Old Warm Springs Blvd., Fremont
Fremont, CA 94538

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Question and answer

Q. What advice do you have for a customer looking to hire a provider like you?

A. Hire a licensed contractor.
Hire a contractor who has experience and can complete the project on time and budget.
Provide good quality workmanship.

Q. If you were a customer, what do you wish you knew about your trade? Any inside secrets to share?

A. What would be good quality materials and experienced and professional labor

Q. What questions should a consumer ask to hire the right service professional?

A. Are you licensed to work in state of California?
Do you have liability & workers compensation insurance?
Can you provide references of customers for whom you have done similar type of work?
Can you provide testimonials from customers for whom you have worked?

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