About J.G. Williams Construction

San Antonio's one call for all your concrete contracting needs.

Family and minority owned and operated. We do concrete right.

We are the one call for all your concrete contracting needs.

Serving the San Antonio and surrounding community for over 20 years, J.G. Williams Construction specializes in commercial, general and residential concrete projects.

Our company is licensed, bonded and insured and we are available for your concrete project today!

We've been named San Antonio's top concrete contractor.

Named by Porch.com as the city's top concrete contractor - based on favorable ratings and reviews from projects we've completed for residential and commercial customers.

Recognized by Houzz.com for service.

Chosen as one of Houzz's Best of 2016 for Customer Service in the contracting category.
Here are just a few of the national and local companies that have put their trust in us.

Meet our owner.

Guillermo has been working in the concrete construction industry for over 30 Years. He started as an Estimator and in 1990 he took on the challenge starting his own firm - J.G. Williams Construction.

Guillermo strives for excellence and is constantly looking for ways to go the extra mile for his customers.

Guillermo recognizes that the best way for a company to be successful is for others to share their experience with friends and family which is why he is not satisfied until the customer is satisfied.

Meet our operations lead.

William is an experienced operations leader with a demonstrated history of working in the construction industry. Skilled in negotiation, budgeting, sales, and sales management - William guides our teams through each and every project.

William is a strong business development professional with a Bachelor of Business Administration (BBA) focused in Computer and Information Systems Security/Information Assurance from The University of Texas at San Antonio.

What concrete contracting services do you offer?

We've broken out our commercial, general and residential concrete services - click for more detail.

Client testimonials.

We are very proud of the service we provide and stand by every product we carry. Read our testimonials from our happy customers.
Outstanding job, amazing efficiency, and a rare integrity. They replaced my driveway and and added curb walls. Everything from the initial estimate to the final cleanup was performed exactly as promised and exceeded my expectations.
Brian H. Residential Customer

We keep our clients and prospective customers up to date on our projects via social media:


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We post drone videos from job sites, as well as photos and updates.


We keep our customers and clients updated with photos from sites.

Interested? Let's get in touch!

Have a project? Let's talk. Contact us for your FREE estimate today.