ABOUT ALONZO CONSTRUCTION
Founded in 1985 by Ernesto Alonzo, Alonzo Construction, Inc. is a family-run, premier general contracting firm specializing in bespoke residential and commercial construction across Southern California. With decades of experience, we offer a comprehensive suite of services including Preconstruction, Construction Management, and Design-Build, providing our clients with seamless, high-quality solutions at every stage of their project.

We pride ourselves on our longstanding partnerships with some of Los Angeles’ most renowned architects, designers, and decorators. Together, we transform visionary concepts into tangible, functional spaces, characterized by meticulous craftsmanship and an unwavering commitment to detail. Our portfolio includes a wide range of architectural styles—from cutting-edge modern homes to sophisticated gallery and museum spaces—each project thoughtfully tailored to the client’s unique vision.


In addition to new construction, Alonzo Construction, Inc. excels in residential preservation, expertly restoring and reinforcing historic structures to meet modern building codes while preserving their original architectural integrity. Our work has been featured in numerous prestigious magazines and design books, a testament to our commitment to excellence and innovation.

At Alonzo Construction, Inc., we are driven by a core philosophy of outstanding customer service, strategic project management, and clear communication. We are dedicated to delivering projects on time, within budget, and to the highest standards of quality.

For references or to schedule a no-obligation consultation, please contact us at (310) 391-2611