About 2020-06-26T06:53:19+00:00

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About Us

American Retrofitters is a full service structural engineering and construction company located in Los Angeles, California that truly specializes in seismic retrofitting. We’re a division of BASEC Structures (CSLB 684673), and we were created for the sole purpose of servicing soft‑story retrofit projects under the ordinances recently passed in and around the Greater Los Angeles area, including the cities of Los Angeles, Santa Monica, West Hollywood, Beverly Hills, and Pasadena.

Mr. Hamid Esmaili is the founder and Chief Engineer of both BASEC Structures and American Retrofitters. He has more than 36 years of experience in the field of engineering and construction, and more than 25 years of experience specifically in seismic retrofitting. He has been responsible for the construction and seismic retrofit of major and complex projects throughout Northern and Southern California, and he has received several prestigious awards for his skill and outstanding performance, particularly for his notable work on Historic Landmarks.

We’re your best choice because we’re more qualified, more knowledgeable, and more competent than anyone else. We’re an integrity driven client-focus firm that puts your interest first.

Meet Our Principals

Our principals are intimately involved in the day-to-day operations and they are always available to our clients.

Hamid Esmaili
Hamid EsmailiChief Structural Engineer
Mr. Esmaili oversees all aspects of engineering and construction, ensuring that each and every project gets the expert care and attention to detail it deserves.
David Jacobson
David JacobsonDirector of Operations
Mr. Jacobson oversees all aspects of business operations, ensuring that all of our clients’ needs are met and that all projects progress toward completion quickly and efficiently.

Our Experience

Mr. Hamid Esmaili’s credentials includes:

We invite you to investigate our competitors and to compare our credentials and references.

Why Us?

Because we’re the best.

Creative Approach

Each project is carefully engineered to reduce construction costs, and we pass those savings onto you.

Attention to Detail

We develop less intrusive and more cost-effective designs by paying close attention to existing loads, usable walls, and potential obstructions from by existing utilities.


One-Stop Solution

We've got you covered, from start to finish, with a fully transparent process that keeps you in the know.

From Start to Finish

We handle it all, including the permit process, clearance from the housing department, tenant coordination, and any cost recovery program your city may offer.


Firm Proposals

Our proposals are not subject to change based on engineering or plan check, so you know exactly what you'll be paying.

Not Subject to Change

What good is a proposal if it’s subject to change? How do you budget the work? Don’t lock yourself into a contract that doesn’t have a fixed price.

Free Proposal

34 Years of Experience

Be confident that you're hiring the best in the business. We invite you to compare our credentials with any competitor.

Our Experts

Our expert team includes the former LADBS District Chief of Plan Check, the former LADBS Engineering Supervisor of the Earthquake and Safety Division, and others.


As Seen In

You know you’ve seen us before, but you’re not quite sure where. Aside from the spiffy banners and signs that don some of the buildings we’re working on, here are a few other places where you might’ve seen American Retrofitters.

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