JZ Structural, Inc. is 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.
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Pablo G on April 2022
JZ Structural, Inc. is 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.
"N/A"
Pablo G on April 2022
We are a locally owned and operated company that values honesty and integrity, and treats your home as if it were our own. We offer a variety of services that are customization to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships, and guarantee your satisfaction!
"Sam did a fantastic job in designing the structural engineering calculations for my new construction project in Santa Ana. He was very honest and recommended the all right things to create a strong foundation, which helped with an outstanding outcome! Sam was very helpful and responsive through the whole process especially fulfilling all the city?s requirements. I am extremely happy with my experience with Sam at Nick Engineering and will definitely use his services again in the future."
Shorouq S on December 2024
We are a locally owned and operated company that values honesty and integrity, and treats your home as if it were our own. We offer a variety of services that are customization to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships, and guarantee your satisfaction!
"Sam did a fantastic job in designing the structural engineering calculations for my new construction project in Santa Ana. He was very honest and recommended the all right things to create a strong foundation, which helped with an outstanding outcome! Sam was very helpful and responsive through the whole process especially fulfilling all the city?s requirements. I am extremely happy with my experience with Sam at Nick Engineering and will definitely use his services again in the future."
Shorouq S on December 2024
At FMH Engineering, Structural Design, we will make your dreams go from paper to reality. Your satisfaction is our number one priority. We are detail oriented and love what we do. The design and engineering we do each day is our ultimate passion and it shows in every completed project.
"Fady is great! Very professional and fast service! He was very responsive and helpful with our plans for a custom home. Very easy to work with and has a lot of great suggestions. Highly recommended!"
Daniel G on April 2021
At FMH Engineering, Structural Design, we will make your dreams go from paper to reality. Your satisfaction is our number one priority. We are detail oriented and love what we do. The design and engineering we do each day is our ultimate passion and it shows in every completed project.
"Fady is great! Very professional and fast service! He was very responsive and helpful with our plans for a custom home. Very easy to work with and has a lot of great suggestions. Highly recommended!"
Daniel G on April 2021
We are a locally owned and operated company with years worth of experience in structural engineering. We continue to build upon our excellent reputation by serving you with superior results and complete satisfaction. Please call us for all of your structural engineering needs!
"It was great working with Kyle! He was very knowledgeable and answered all of my structural questions about my condo. I’d be happy to work with him again on my future projects!"
Qiana B on May 2025
We are a locally owned and operated company with years worth of experience in structural engineering. We continue to build upon our excellent reputation by serving you with superior results and complete satisfaction. Please call us for all of your structural engineering needs!
"It was great working with Kyle! He was very knowledgeable and answered all of my structural questions about my condo. I’d be happy to work with him again on my future projects!"
Qiana B on May 2025
Our firm provides structural engineering support for all phases in the design and construction process. Our primary function is to create structural plan packages for submission to the governing authority. We are also available to conduct preliminary field visits and structural observations during construction. In whichever service you need, we pride ourselves in carrying out the job professionally, quickly, and for an affordable price.
"I searched many and started off with others and nobody came close in handling what we needed. I found Richard, he came in and took care of it all; it was completed in a timely manner with his accurate thinking. He definitely thought ahead and it saved me a lot of time, grief and money. He got ahead of any issues and resolved potential problems that could arise. He knew exactly what the city would require and did what needed to be done which saved us an untold amount of time and money. I did not know him from Adam, he works at a very different level of ability and knowledge. His pricing for me was the best! He is a gem, get him if you can!"
Constantine P on January 2020
Our firm provides structural engineering support for all phases in the design and construction process. Our primary function is to create structural plan packages for submission to the governing authority. We are also available to conduct preliminary field visits and structural observations during construction. In whichever service you need, we pride ourselves in carrying out the job professionally, quickly, and for an affordable price.
"I searched many and started off with others and nobody came close in handling what we needed. I found Richard, he came in and took care of it all; it was completed in a timely manner with his accurate thinking. He definitely thought ahead and it saved me a lot of time, grief and money. He got ahead of any issues and resolved potential problems that could arise. He knew exactly what the city would require and did what needed to be done which saved us an untold amount of time and money. I did not know him from Adam, he works at a very different level of ability and knowledge. His pricing for me was the best! He is a gem, get him if you can!"
Constantine P on January 2020
Peter T. Erdelyi and his office of 15 employees have designed thousands of residential and commercial projects over the past 37 years - remodels, additions and new buildings
"Quoted one price and kept asking for more money. They only came to the house once, and any changes I had to make (because they didn't have all the information) they changed me more."
Dominic M on July 2023
Peter T. Erdelyi and his office of 15 employees have designed thousands of residential and commercial projects over the past 37 years - remodels, additions and new buildings
"Quoted one price and kept asking for more money. They only came to the house once, and any changes I had to make (because they didn't have all the information) they changed me more."
Dominic M on July 2023
Alpha Omega is a full engineering firm and full service provider of residential and commercial construction with a reputation for complete customer satisfaction and on time, on budget completion of a wide variety of construction projects. With years of experience serving our clients throughout Inland Empire area, Alpha Omega has developed a reputation for intelligent design, creative problem solving, and an uncompromising commitment to professionalism, and integrity, that has made us one of the areas most respected and in demand general contractors and engineering firm. Whether working directly with our end customers, or contracted through an intermediary architectural engineering firm, we have the capability to faithfully execute your plans or provide design and build services as required.
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Nissa G on May 2025
Alpha Omega is a full engineering firm and full service provider of residential and commercial construction with a reputation for complete customer satisfaction and on time, on budget completion of a wide variety of construction projects. With years of experience serving our clients throughout Inland Empire area, Alpha Omega has developed a reputation for intelligent design, creative problem solving, and an uncompromising commitment to professionalism, and integrity, that has made us one of the areas most respected and in demand general contractors and engineering firm. Whether working directly with our end customers, or contracted through an intermediary architectural engineering firm, we have the capability to faithfully execute your plans or provide design and build services as required.
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Nissa G on May 2025
We specialize in home designs, architectural plans and structural drawings for new homes and ADUs, and helping customers get building permits fast. We've been licensed professional engineers in California for over 20 years. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction!
"Hired Pacific Sands after we lost our home in the Eaton Fires in Altadena. We were very happy with their team and the designs they finished for us. Their permitting team was amazing too, so happy they were able to help with that part of the process. too. "
Anna H on May 2025
We specialize in home designs, architectural plans and structural drawings for new homes and ADUs, and helping customers get building permits fast. We've been licensed professional engineers in California for over 20 years. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction!
"Hired Pacific Sands after we lost our home in the Eaton Fires in Altadena. We were very happy with their team and the designs they finished for us. Their permitting team was amazing too, so happy they were able to help with that part of the process. too. "
Anna H on May 2025
W. L. McCarthy, RCE is a locally owned and operated business with over 20 years of experience. We will provide you with excellent workmanship and reasonable pricing for all phases of your engineering needs. We stay small so that we can give you personalized, individual service through final completion of your project. We are detail and quality oriented providing outstanding services on each and every project that we handle. W. L. McCarthy, RCE provides superior service and satisfaction. Let us show you why homeowners prefer our services above the rest!
"Although my project was small, William agreed to help. Professional and punctual, drawing delivery was on time. Thank you!"
Manny B on September 2023
W. L. McCarthy, RCE is a locally owned and operated business with over 20 years of experience. We will provide you with excellent workmanship and reasonable pricing for all phases of your engineering needs. We stay small so that we can give you personalized, individual service through final completion of your project. We are detail and quality oriented providing outstanding services on each and every project that we handle. W. L. McCarthy, RCE provides superior service and satisfaction. Let us show you why homeowners prefer our services above the rest!
"Although my project was small, William agreed to help. Professional and punctual, drawing delivery was on time. Thank you!"
Manny B on September 2023
We are a home building company, here to build your home and dreams. Looking to transform your home? RET Construction Corp is your go-to partner for all your home improvement needs in Los Angeles. With our expertise in building, we bring a unique touch to your projects. Contact us today and let us make your dream home a reality.
"Kevin went above and beyond to make sure me and my wife were satisfied and happy with our new bathroom remodel. He exceeded our expectations and gained our trust for our next project: remodeling our kitchen. We were pleased to know that Kevin is licensed and bonded; also registered with the BBB. I’d recommend Kevin Truong, from RET Construction Corporation to family and friends without hesitation. Thank you Kevin @RET. PS Forgot to mentioned , how easy it was to get along and communicate with Kevin."
Ed F on February 2023
We are a home building company, here to build your home and dreams. Looking to transform your home? RET Construction Corp is your go-to partner for all your home improvement needs in Los Angeles. With our expertise in building, we bring a unique touch to your projects. Contact us today and let us make your dream home a reality.
"Kevin went above and beyond to make sure me and my wife were satisfied and happy with our new bathroom remodel. He exceeded our expectations and gained our trust for our next project: remodeling our kitchen. We were pleased to know that Kevin is licensed and bonded; also registered with the BBB. I’d recommend Kevin Truong, from RET Construction Corporation to family and friends without hesitation. Thank you Kevin @RET. PS Forgot to mentioned , how easy it was to get along and communicate with Kevin."
Ed F on February 2023
In most cases, yes. You’ll get a complimentary assessment based on your home’s size and the project scope. Simple inspections come with a flat fee tied to your foundation type and square footage, while larger jobs call for an on-site evaluation before the formal estimate. Either way, an up-front quote gives you a clear budget before work begins.
The engineer reviews every load‑bearing part of the home—floors, foundation, walls, roof, and major beams—along with insulation and the soil around the structure. They also factor in local weather risks and nearby water sources. The goal is to confirm that the materials and construction can handle day‑to‑day loads and extreme events alike, and to flag any spots that need reinforcement.
Who you hire depends on the task. Hire an architect to shape the look and layout of your home. Call a structural engineer to verify that load‑bearing elements—walls, beams, foundation—can handle the plan or to diagnose structural issues. Bring in a home inspector for a broad health check during a sale, after a storm, or for an appraisal. Matching the pro to the job keeps costs down and problems in check.
Civil engineering is the broad field that covers roads, bridges, and other infrastructure. Structural engineers focus on the loads and forces inside a building or bridge—foundations, beams, and walls—while mechanical engineers design and keep power systems running, from elevators and turbines to HVAC equipment. In short, civil handles the big picture, structural makes sure it stands up, and mechanical keeps everything moving.
Most structural engineers offer free quotes. They’ll look at your home’s size and the scope of work to decide whether a flat fee or hourly rate makes sense. Simple inspections are often priced by square footage—bigger, more complex jobs require a site visit and a detailed written estimate. Getting that number up front lets you nail down a budget before any drawings or inspections begin.