
Serving Saint Helena, CA and surrounding areas
In business since 1997
"Sam is one of the best in industry. Being a former architect myself, I would highly recommend him for any structural needs you may have for your project."




*The Angi rating for Structural Engineering companies in Saint Helena, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Structural Engineering needs.
*The HomeAdvisor rating for Structural Engineering companies in Saint Helena, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Structural Engineering needs.
Last update on February 29, 2024

Serving Saint Helena, CA and surrounding areas
In business since 1997
"Sam is one of the best in industry. Being a former architect myself, I would highly recommend him for any structural needs you may have for your project."



Serving Saint Helena, CA and surrounding areas
In business since 2021
Free estimates
Offers commercial services
"Mastodon Engineering Group is a heck of a company. I would highly recommend them to anyone. Mark is a really respectful man. I really liked working with Mark. Super professional, high integrity, very charismatic. I like people who are easy to talk to and have a sense of humor. He meets all those standards for me. He is very efficient and that is a plus."
Serving Saint Helena, CA and surrounding areas
In business since 2021
Free estimates
Credit card accepted
We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

Serving Saint Helena, CA and surrounding areas
In business since 1990
Credit card accepted
Offers commercial services
"I would have liked talking with the draftsmen on the phone. It would have saved both of us time clarifying details instead of back and forth via email"



Serving Saint Helena, CA and surrounding areas
In business since 2000
Credit card accepted
Here at Structure of Design Calculations and Inspections, I focus on quality of the project every time. I am very precise with the way I complete my projects. With over 35 years of experience being a Civil Engineer I have dedication and pride in my work. Call me today for an estimate for building your future.
Serving Saint Helena, CA and surrounding areas
In business since 1994
We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
Serving Saint Helena, CA and surrounding areas
In business since 2003
Sonoma Valley Design Engineering offers a wide variety of mechanical engineering design and drafting services. We can design whatever you need based on anything from verbal description to napkin sketches. \n \n\nWith nearly 25 years of mechanical design experience, we can provide anything from simple one-off parts to complex assemblies. Our experience in mechanical design, drafting and simulation includes the semiconductor, aerospace, horticultural and construction industries; including industrial manufacturing, OEM and end-user products.
Serving Saint Helena, CA and surrounding areas
In business since 1995
EEI has been in business for 6 years. With offices in Reno NV, Carlsbad CA, and Camarillo CA EEI provides Environmental, Engineering and Architectural services. If you need Engineering or Architectural services please send an e-mail to [email protected]. A complete company profile can be seen at www.eeitiger.com, or call us in Reno at (775) 746-1980 to discuss how we can assist you.

Serving Saint Helena, CA and surrounding areas
In business since 1979
Free estimates
Offers commercial services
HCG Associates has served the greater San Francisco Bay Area since 1979. We're experts in residential structural design, soft-story retrofit, seismic evaluations and homes in need of seismic retrofit. We provide structural engineering services delivering plans and calcs. After we're done, we'll offer a construction bid too!



Serving Saint Helena, CA and surrounding areas
In business since 2014
Free estimates
Credit card accepted
We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.\nwww.oracle-consulting.com\n
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