E. John Gwerder & Sons

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Integrity.  Excellence.  Timeliness.

E.John Gwerder Company was established in 1989 by E. John Gwerder himself along with his wife Cathy. From its inception, the general engineering construction company is built on the foundation of integrity, excellence, and timeliness. Big or small, no matter the size, every construction project is treated with the utmost in care and quality.

Founded and locally owned in the beautiful lands of the Central Valley in northern California, E. John Gwerder Company has grown into a well respected general engineering construction company known for its honest hard work and timely efficiency. Customer satisfaction and quality workmanship is its top priority!

Through the many referrals and successful construction projects in well over 20 years, John and Cathy have grown the company into the professional general engineering construction company it is today.

Now as E. John Gwerder and Sons, this well established general engineering construction company has a full range of construction project capabilities and the combined industry experiences to make them a leader in the general engineering industry. Whether your need is in excavation, grading, underground utilities, demolition, paving, or irrigation E. John Gwerder and Sons is fully capable and always ready to handle your construction project – big or small!

At E. John Gwerder and Sons, you'll find the friendly upstanding employees to be very knowledgeable and well experienced. The company's employees convey the same honest hard working values as its founding member.

The well maintained equipment is a testimony to John's drive for quality and excellence. E. John Gwerder and Sons have a wide range of equipment and machinery to get the job done and done right in a very timely fashion!

Along with getting your construction project done right in a timely fashion, safety policies are always followed and adhered to in the strictest fashion. E. John Gwerder and Sons' comprehensive safety manual and procedures ensure each construction project as a safe work environment for both company and client.

E. John Gwerder and Sons is one of a select few of general engineering construction companies that can save you time and money by being your single service provider at your site development project. From beginning to end, E. John Gwerder and Sons not only offer a wide range of services in excavation, grading, underground utilities, demolition, paving, or irrigation, it also offers the personal touch of advising you on your projects for the best efficiency, securing the necessary permits and inspections, and arranging for any necessary testing where needed.

E. John Gwerder and Sons is the right choice if you're looking for a diversified general engineering construction company that completes projects on time and within budget. That's something we stand firmly behind. You need not go further than the many satisfied clients that have made it possible for the growth of a company like ours – a general engineering construction company that is built on the rare foundation of…



Client Testimony

Harbison-Mahony-Higgins Builders, Inc.

E. John Gwerder & Sons,Harbison-Mahony-Higgins Builders, Inc

Since starting our first project at the Cache Creek Casino resort in 1996, Harbison-Mahony-Higgins Builders, Inc. has enjoyed a long standing and successful relationship with John Gwerder.
As project Executive in charge of construction on site since 1998, I have personally worked with John on many occasion over these many years and have come to know him as an honest, hard-working man of the highest character.

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St. Francis Land & Cattle LLC

E. John Gwerder & Sons, St. Francis Land & Cattle LLC

To Whom It May Concern:

E. John Gwerder has preformed construction work on our property at Brooks, California over a period of several years. The work has included road construction and finishing, building a dam and the repair of several others, creation of water tank installations and a septic system and other projects that have required attention from time to time. All of this has been accomplished in a workman-like manner and finished on or before the target date for completion.

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