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  • Verified reviews icon23
    Verified structural engineering services reviews

Find Structural engineers in Glendora

Avatar for Alpha Structural, Inc.

Alpha Structural, Inc.

4.76(
147
)
Approved Pro

Alpha Structural, Inc.

4.76(
147
)
Approved Pro
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
1992 years of experience

Alpha Structural, Inc. has over 850 years of combined technical experience in Foundation and Hillside Repair. All of our experience is hard-core and down-in-the-trenches – not managed from behind a computer. Our in-house engineers and technicians are among the most experienced in all of Southern California. Alpha Structural, Inc. is the ONLY company in the SOCAL area licensed to ENGINEER and BUILD any type of repair project. That means that you'll work with us through the whole project, not unknown sub-contractors that you didn't hire and cannot control or predict. Alpha Structural, Inc. a licensed, bonded, and insured contractor (license # 663409). We are licensed with the following classifications: A (General Engineering Contractor). B (General Building Contractor). C-8 (Concrete). HIC (Home Improvement Contractor). CALL US NOW FOR AN INSPECTION OR ESTIMATE! (323)258-5482.

"Erinn was my initial contact and he gave a very through and fair estimate. We had structural work done to support floor joists and large beams under the garage that needed replacing. Ernesto and his team, Julio, Salvatore and Gilder worked tirelessly to complete the work and were respectful, punctual, informative and good humoured throughout the entire process. I would not hesitate to use them again or recommend them to others. A really great company!!"

Laurie C on August 2023

Alpha Structural, Inc. has over 850 years of combined technical experience in Foundation and Hillside Repair. All of our experience is hard-core and down-in-the-trenches – not managed from behind a computer. Our in-house engineers and technicians are among the most experienced in all of Southern California. Alpha Structural, Inc. is the ONLY company in the SOCAL area licensed to ENGINEER and BUILD any type of repair project. That means that you'll work with us through the whole project, not unknown sub-contractors that you didn't hire and cannot control or predict. Alpha Structural, Inc. a licensed, bonded, and insured contractor (license # 663409). We are licensed with the following classifications: A (General Engineering Contractor). B (General Building Contractor). C-8 (Concrete). HIC (Home Improvement Contractor). CALL US NOW FOR AN INSPECTION OR ESTIMATE! (323)258-5482.

"Erinn was my initial contact and he gave a very through and fair estimate. We had structural work done to support floor joists and large beams under the garage that needed replacing. Ernesto and his team, Julio, Salvatore and Gilder worked tirelessly to complete the work and were respectful, punctual, informative and good humoured throughout the entire process. I would not hesitate to use them again or recommend them to others. A really great company!!"

Laurie C on August 2023


Avatar for So Cal Builders & Design Inc

So Cal Builders & Design Inc

4.60(
223
)
Approved Pro

So Cal Builders & Design Inc

4.60(
223
)
Approved Pro
Customers say: Quality work
1982 years of experience
Free onsite estimate

So Cal Builders & Design have been helping the homes throughout California look perfect one nail and brick at a time! With the best prices and highest standard of service, we can deliver the kitchen or bathroom of your dreams on time and on budget! Our staff of trained technicians will build your addition or remodel to your specifications; using only the finest quality materials and the most up-to-date building procedures. We also have in house masonry service as well as perform a number of other services such as plumbing, lighting, painting, patios, and much more. Because we do it all ourselves, we eliminate miscommunication, stress and down time. We don’t use outside contractors or fancy gimmicks to get our customers. We combine new and modern building practices with tried and true hard work to deliver a work of art every time and that is why our customers make us #1. Request Your Free Estimate Voice Star: (888) 284-9122.

"Very good company . I am very satisfied with their professionalism . Highly recommended this company"

Leta W on December 2025

So Cal Builders & Design have been helping the homes throughout California look perfect one nail and brick at a time! With the best prices and highest standard of service, we can deliver the kitchen or bathroom of your dreams on time and on budget! Our staff of trained technicians will build your addition or remodel to your specifications; using only the finest quality materials and the most up-to-date building procedures. We also have in house masonry service as well as perform a number of other services such as plumbing, lighting, painting, patios, and much more. Because we do it all ourselves, we eliminate miscommunication, stress and down time. We don’t use outside contractors or fancy gimmicks to get our customers. We combine new and modern building practices with tried and true hard work to deliver a work of art every time and that is why our customers make us #1. Request Your Free Estimate Voice Star: (888) 284-9122.

"Very good company . I am very satisfied with their professionalism . Highly recommended this company"

Leta W on December 2025


Avatar for Level Engineering Los Angeles, CA (Main)

Level Engineering Los Angeles, CA (Main)

4.60(
270
)
Approved Pro

Level Engineering Los Angeles, CA (Main)

4.60(
270
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
2015 years of experience

At LEVEL Engineering, we are committed to common sense, real-world engineering solutions. We started LEVEL because, after years in the building industry (Civil, Structural, Home Building, etc) we continued to see something missing in our industry that cost homeowners untold stress and frustration, contractors lost time and money and realtors and lenders left unable to satisfy their client's needs. We decided to do something about it, and then - LEVEL Engineering was founded. We serve your interests and provide knowledgeable, expert inspection, analysis, recommendation, and reporting. So whether your need is for permitting, forensics, foundation problems, new or repair engineering designs; or just for your peace of mind - let us help you navigate your structural engineering projects.

"extremely knowledgeable and office staff is wonderful to work with."

diana c on January 2024

At LEVEL Engineering, we are committed to common sense, real-world engineering solutions. We started LEVEL because, after years in the building industry (Civil, Structural, Home Building, etc) we continued to see something missing in our industry that cost homeowners untold stress and frustration, contractors lost time and money and realtors and lenders left unable to satisfy their client's needs. We decided to do something about it, and then - LEVEL Engineering was founded. We serve your interests and provide knowledgeable, expert inspection, analysis, recommendation, and reporting. So whether your need is for permitting, forensics, foundation problems, new or repair engineering designs; or just for your peace of mind - let us help you navigate your structural engineering projects.

"extremely knowledgeable and office staff is wonderful to work with."

diana c on January 2024


Avatar for Pac Sands Corp

Pac Sands Corp

5.00(
5
)
Approved Pro

Pac Sands Corp

5.00(
5
)
Approved Pro
2017 years of experience
Free onsite estimate

We specialize in home designs, structural engineering, and architectural plans 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!

"Muy buen servicio y excelente compania "

Ernesto M on August 2025

We specialize in home designs, structural engineering, and architectural plans 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!

"Muy buen servicio y excelente compania "

Ernesto M on August 2025


Peter T. Erdelyi & Associates, Inc.

4.53(
84
)
Approved Pro

Peter T. Erdelyi & Associates, Inc.

4.53(
84
)
Approved Pro
Customers say: Quick response
1976 years of experience
Free onsite estimate

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

"Very professional and prompt. Did a great job"

Henry D on November 2025

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

"Very professional and prompt. Did a great job"

Henry D on November 2025


Avatar for RCS Engineering Services

RCS Engineering Services

5.00(
3
)
Approved Pro

RCS Engineering Services

5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
2018 years of experience

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


Top Pros Construction, Inc.

4.97(
135
)

Top Pros Construction, Inc.

4.97(
135
)
Customers say: Quick response
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers

We are Experts in home remodeling, improvements, landscape, roofing and room additions – We are a licensed, insured, and bonded remodeling and construction company, working exclusively in home remodeling and improvements. We are a team of experienced hardworking people, project managers, engineers, architects, and designers ready to work for you. We aim to produce excellent workmanship, top quality labor, and advanced integration and affordable services that meet our clients‘ demands. Top Pros Construction provides services to all inside and outside remodeling needs on the kitchen, bathroom, room addition (ADU), and any custom remodeling you may need.

"I’m beyond happy with our new kitchen. Or at Top Pros Construction made what could have been a stressful renovation so much easier. He communicated clearly and made sure the crew respected our home. We stayed within budget and on schedule, which I know doesn’t always happen with big remodels. Now the kitchen feels open, modern, and perfect for our family dinners. I’d recommend Top Pros in a heartbeat."

John W on July 2025

We are Experts in home remodeling, improvements, landscape, roofing and room additions – We are a licensed, insured, and bonded remodeling and construction company, working exclusively in home remodeling and improvements. We are a team of experienced hardworking people, project managers, engineers, architects, and designers ready to work for you. We aim to produce excellent workmanship, top quality labor, and advanced integration and affordable services that meet our clients‘ demands. Top Pros Construction provides services to all inside and outside remodeling needs on the kitchen, bathroom, room addition (ADU), and any custom remodeling you may need.

"I’m beyond happy with our new kitchen. Or at Top Pros Construction made what could have been a stressful renovation so much easier. He communicated clearly and made sure the crew respected our home. We stayed within budget and on schedule, which I know doesn’t always happen with big remodels. Now the kitchen feels open, modern, and perfect for our family dinners. I’d recommend Top Pros in a heartbeat."

John W on July 2025


Avatar for Fidelity Builders and Design

Fidelity Builders and Design

4.96(
74
)

Fidelity Builders and Design

4.96(
74
)
Customers say: Terrific value
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

We are fully insured and bonded Home remodeling company. We have been in business for more than 8 years now. We are serving all 3 counties: Los Angeles County Ventura County Orange County. We are not electrical specialist. We are general contractors specializing in room additions, kitchen and bathroom remodeling, much more.

"Tal Mechaly was extremely useful when we hired him and his people to design and rebuild our new kitchen and laundry room. Tal helped us select the new stunning marble slab for the new island that he implemented in the design and the gorgeous chandelier above it because the island that he designed for us included table as well. Tal Mechaly was amazing at selecting all the paint colors combinations and with his design… he was able to pull it all together as one piece of art kitchen. Tal Mechaly was very easygoing person to work with, with excellent creativity skills and his thinking outside of the box ability was beyond believes."

Gilbert V on September 2018

We are fully insured and bonded Home remodeling company. We have been in business for more than 8 years now. We are serving all 3 counties: Los Angeles County Ventura County Orange County. We are not electrical specialist. We are general contractors specializing in room additions, kitchen and bathroom remodeling, much more.

"Tal Mechaly was extremely useful when we hired him and his people to design and rebuild our new kitchen and laundry room. Tal helped us select the new stunning marble slab for the new island that he implemented in the design and the gorgeous chandelier above it because the island that he designed for us included table as well. Tal Mechaly was amazing at selecting all the paint colors combinations and with his design… he was able to pull it all together as one piece of art kitchen. Tal Mechaly was very easygoing person to work with, with excellent creativity skills and his thinking outside of the box ability was beyond believes."

Gilbert V on September 2018


Avatar for Shenon Construction

Shenon Construction

4.94(
105
)

Shenon Construction

4.94(
105
)
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

A COMPLETE EXPERIENCE- The Shenon Construction Team acknowledges that the path of remodeling is as important as the final product. Therefore, we strive to give our clients the most pleasant experience no matter how extensive the project may be. The team is present every step of the way, and is determined to help guide you with decision making, so that the final project meets and exceeds every expectation. A spectacular home and an ecstatic client are our two main priorities! COMMITMENT TO QUALITY- We proudly hold ourselves accountable to achieving the highest quality construction, utilizing durable materials and collaborating with highly skilled professionals. A SENSE FOR DESIGN- We communicate with our clients and have the ability to clearly understand the critical design elements. Prior to construction, we employ a 3D design to visualize your ideas and concepts. This way, we assure that the final execution is flawless. ATTENTION TO DETAIL- We realize that transforming a house into a home, and truly personalizing the project requires immaculate attention to detail. We embrace the uniqueness of each development and we call our projects complete when each of your needs and wants are fulfilled.

"5++ stars! My home's exterior was cracking due to a poor job prior and drainage issues. Tom and Adam and the team not only gave me peace of mind moving forward with drainage, put in gutters, and re-did the entire exterior of my home (stained wood and stucco), but made it beyond beautiful!! They were communicative, timely, so easy to work with, and the end product is gorgeous. I would recommend them to anyone who needs a construction project done and can't wait to use them again on my next project!!"

kim A on April 2025

A COMPLETE EXPERIENCE- The Shenon Construction Team acknowledges that the path of remodeling is as important as the final product. Therefore, we strive to give our clients the most pleasant experience no matter how extensive the project may be. The team is present every step of the way, and is determined to help guide you with decision making, so that the final project meets and exceeds every expectation. A spectacular home and an ecstatic client are our two main priorities! COMMITMENT TO QUALITY- We proudly hold ourselves accountable to achieving the highest quality construction, utilizing durable materials and collaborating with highly skilled professionals. A SENSE FOR DESIGN- We communicate with our clients and have the ability to clearly understand the critical design elements. Prior to construction, we employ a 3D design to visualize your ideas and concepts. This way, we assure that the final execution is flawless. ATTENTION TO DETAIL- We realize that transforming a house into a home, and truly personalizing the project requires immaculate attention to detail. We embrace the uniqueness of each development and we call our projects complete when each of your needs and wants are fulfilled.

"5++ stars! My home's exterior was cracking due to a poor job prior and drainage issues. Tom and Adam and the team not only gave me peace of mind moving forward with drainage, put in gutters, and re-did the entire exterior of my home (stained wood and stucco), but made it beyond beautiful!! They were communicative, timely, so easy to work with, and the end product is gorgeous. I would recommend them to anyone who needs a construction project done and can't wait to use them again on my next project!!"

kim A on April 2025


SEISMIC SAFETY

4.94(
67
)

SEISMIC SAFETY

4.94(
67
)
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

LICENSE # 662926. SPECIALTIES We always have and always will give you MORE than we promise. We have been making Southern homes safer from earthquake perils since 1954 through foundation repair, house bolting, floor leveling, site drainage, and a multitude of related problem issues. HISTORY My grandfather was a foundation contractor. I began going to work with him, my dad, and my uncles during school vacations starting in 1936. After leaving the service in 1954 I started my own foundation contracting company. One of my first projects was to bolt the home of a retired Caltech professor. We have been performing the same for a majority of the associates including much of the USGS staff at Caltech including the buildings that serve as their headquakers.

"It took a while — mainly because of COVID — but they were super professional and handled all the details. They made one billing mistake, but they corrected it. They aren’t the cheapest option, but they are VERY familiar with working with EBB and crossed all the T’s and dotted the I’s and it went very smoothly. If you are using EBB, I recommend them!"

Karyn G on May 2021

LICENSE # 662926. SPECIALTIES We always have and always will give you MORE than we promise. We have been making Southern homes safer from earthquake perils since 1954 through foundation repair, house bolting, floor leveling, site drainage, and a multitude of related problem issues. HISTORY My grandfather was a foundation contractor. I began going to work with him, my dad, and my uncles during school vacations starting in 1936. After leaving the service in 1954 I started my own foundation contracting company. One of my first projects was to bolt the home of a retired Caltech professor. We have been performing the same for a majority of the associates including much of the USGS staff at Caltech including the buildings that serve as their headquakers.

"It took a while — mainly because of COVID — but they were super professional and handled all the details. They made one billing mistake, but they corrected it. They aren’t the cheapest option, but they are VERY familiar with working with EBB and crossed all the T’s and dotted the I’s and it went very smoothly. If you are using EBB, I recommend them!"

Karyn G on May 2021

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Structural Engineering questions, answered by experts

Structural engineers draw structural plans, which include detailed drawings of the structural components of a home only. Complete house plans will require additional work from an architect or draftsperson, whose drawings will take the structural drawings into account. They’ll also include more details about the finishing materials and layout of a home, including everything from roofing and flooring materials to the position of furniture, light fixtures, switches, and plumbing fixtures.

If you’re building new construction or adding onto your existing home, hiring a structural engineer is not only worth it but it’s probably required by your local building department. Structural engineers will ensure you aren’t making your home unsafe in the building process, which is crucial from a safety perspective but also a legal one. It’s also worth hiring a structural engineer if you’re making changes to structural components, like removing a load-bearing wall.

Yes, all states require structural engineers to carry the proper license, with specifics determined by each state. You can use Angi’s state licensing tool to confirm that the structural engineer you’re considering holds the required licensing to tackle your job. Hiring an unlicensed structural engineer will not only cause issues with permits but it could also lead to an unsafe building. The cost of a professional, licensed, and experienced engineer is well worth the investment.

The National Association of Home Builders requires repair of any foundation crack of more than one quarter of an inch, although local regulations may vary. In general, any visible crack that is growing in size, allowing water through, or that you have just noticed, is a good reason to call a structural engineer. Cracks can be a sign of a sinking foundation, so an inspection is a good idea for your peace of mind.

Costs depend on material choices, labor, and the extent of structural modifications.

The Glendora, CA homeowners’ guide to structural engineering services

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