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Engineer structural pros in Signal Hill
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
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
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
With over two decades of experience, we specialize in residential and commercial structures requiring timber, steel, concrete, and CMU design. Our design approach is to maximize safety while also maintaining proper constructability and construction cost. Our commercial projects span from shopping centers, office buildings, retail stores, and everything in between to meet our client's needs. Whether it's remodeling a space or new builds, our design approach will ensure the structural aspect will meet any city requirements in California, while also providing a quick turnaround to meet any deadline. Give us a call, text or email today, and let us get started!
"I had the pleasure of working with Aws on a recent project and was thoroughly impressed by his professionalism and efficiency. He delivered a clean, straightforward structural design that met all the necessary requirements without unnecessary complexity. Aws was fast, reliable, and highly communicative throughout the process, making coordination smooth and strass-free. On top of that, the pricing was very reasonable. I highly recommend Aws and his firm for any structural engineering needs. They offer a great combination of expertise, responsiveness, and value."
Smadar A on June 2025
With over two decades of experience, we specialize in residential and commercial structures requiring timber, steel, concrete, and CMU design. Our design approach is to maximize safety while also maintaining proper constructability and construction cost. Our commercial projects span from shopping centers, office buildings, retail stores, and everything in between to meet our client's needs. Whether it's remodeling a space or new builds, our design approach will ensure the structural aspect will meet any city requirements in California, while also providing a quick turnaround to meet any deadline. Give us a call, text or email today, and let us get started!
"I had the pleasure of working with Aws on a recent project and was thoroughly impressed by his professionalism and efficiency. He delivered a clean, straightforward structural design that met all the necessary requirements without unnecessary complexity. Aws was fast, reliable, and highly communicative throughout the process, making coordination smooth and strass-free. On top of that, the pricing was very reasonable. I highly recommend Aws and his firm for any structural engineering needs. They offer a great combination of expertise, responsiveness, and value."
Smadar A on June 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
We are a full service Architectural and Structural Engineering family-owned company and believe that quality, honesty, and fair pricing are the cornerstones to a trusting working relationship between home owner and engineer. Architectural and Structural Engineering Solutions For: --ADU's --New Home Design & Construction --2nd Floor Additions --Decks and Patio Covers --Retaining Walls and Basements --Home Design on Hillsides --All residential and commercial needs for Architectural and Structural Engineering We are a Christian based engineering company and conduct our business with the utmost ethics. We operate our business on a lump price fee. With this price, you don’t end up paying for change orders or comments back from the city. Our lump sum fee includes getting you all the way to permit. We will provide you with clean, clear, and professional looking architectural and structural engineering plans and calculations for both your contractor and for submission to your city agency. We also serve many realtors as well providing structural engineering assessment for properties either during a pre-approval process or during their contingency period to ensure the home being purchased is structurally adequate with no major issues. We chose to work in this industry because we want our customers to obtain their dreams. Your home is your sanctuary. Make your home the way you want it and work with a company that values trust, integrity, and quality.
"Jonathon was great. We had a serious accident at our house that required a structural assessment. He responded right away and came within hours. He was knowledgeable and had great advice. He was able to bring in the right resources to get our work done quickly, which helped us out a lot."
Wyatt G on February 2025
We are a full service Architectural and Structural Engineering family-owned company and believe that quality, honesty, and fair pricing are the cornerstones to a trusting working relationship between home owner and engineer. Architectural and Structural Engineering Solutions For: --ADU's --New Home Design & Construction --2nd Floor Additions --Decks and Patio Covers --Retaining Walls and Basements --Home Design on Hillsides --All residential and commercial needs for Architectural and Structural Engineering We are a Christian based engineering company and conduct our business with the utmost ethics. We operate our business on a lump price fee. With this price, you don’t end up paying for change orders or comments back from the city. Our lump sum fee includes getting you all the way to permit. We will provide you with clean, clear, and professional looking architectural and structural engineering plans and calculations for both your contractor and for submission to your city agency. We also serve many realtors as well providing structural engineering assessment for properties either during a pre-approval process or during their contingency period to ensure the home being purchased is structurally adequate with no major issues. We chose to work in this industry because we want our customers to obtain their dreams. Your home is your sanctuary. Make your home the way you want it and work with a company that values trust, integrity, and quality.
"Jonathon was great. We had a serious accident at our house that required a structural assessment. He responded right away and came within hours. He was knowledgeable and had great advice. He was able to bring in the right resources to get our work done quickly, which helped us out a lot."
Wyatt G on February 2025
Welcome to Wilson Greens Synthetic Grass Experts! I am Joe Wilson, the proud owner since 2014. I personally have over 15 years of experience installing artificial grass, putting greens, hardscapes, fencing and more in both residential and commercial spaces. My carefully hand-selected crew and I have a combined total of over 40 years experience working hard to make our client's dream landscapes a reality. We are a family-owned and operated business who strive to provide excellent customer service, reasonable pricing, quality installations, and beautiful eye-catching designs. We look forward to working with you!
"I was very satisfied with the work."
WALTER A on April 2025
Welcome to Wilson Greens Synthetic Grass Experts! I am Joe Wilson, the proud owner since 2014. I personally have over 15 years of experience installing artificial grass, putting greens, hardscapes, fencing and more in both residential and commercial spaces. My carefully hand-selected crew and I have a combined total of over 40 years experience working hard to make our client's dream landscapes a reality. We are a family-owned and operated business who strive to provide excellent customer service, reasonable pricing, quality installations, and beautiful eye-catching designs. We look forward to working with you!
"I was very satisfied with the work."
WALTER A on April 2025
OC HOME BUILDERS, INC. is a FAMILY-owned business, working to achieve excellence since 2004. We service all of Orange County (including Seal Beach, Naples & Belmont Shore & Belmont Heights). Our goal is that you LOVE the End Result! Please call or TEXT for your FREE estimate (714) 330-9031. We look forward to BUILDING something Beautiful together! Jim is an EXPERT BUILDER & a MASTER at his craft! America is a skilled communicator. Assuring that clients know what to expect next & that each project is held to the highest standards. We are fully licensed, bonded and insured! Our crew is dedicated to building quality construction, including FULL HOME RENOVATIONS, ROOM ADDITIONS, ADU’S, KITCHEN REMODELS, BATHROOM REMODELS, WINDOW & DOOR REPLACEMENTS, GARAGE CONVERSIONS & MORE! We are proud recipients of the “Angi Super Service Award" since 2012, along with other prestigious awards. Meeting & exceeding client expectations for 12 years and counting! We LOVE what we do, and we hope it shows in the end results! CALL or TEXT us for a FREE ESTIMATE (714) 330-9031 Let’s build something beautiful together! CSLB# 1035464
"I will always hire Oc home builders. I have been using them for years. Great attention to detail that sets them apart from others."
maelin h on April 2025
OC HOME BUILDERS, INC. is a FAMILY-owned business, working to achieve excellence since 2004. We service all of Orange County (including Seal Beach, Naples & Belmont Shore & Belmont Heights). Our goal is that you LOVE the End Result! Please call or TEXT for your FREE estimate (714) 330-9031. We look forward to BUILDING something Beautiful together! Jim is an EXPERT BUILDER & a MASTER at his craft! America is a skilled communicator. Assuring that clients know what to expect next & that each project is held to the highest standards. We are fully licensed, bonded and insured! Our crew is dedicated to building quality construction, including FULL HOME RENOVATIONS, ROOM ADDITIONS, ADU’S, KITCHEN REMODELS, BATHROOM REMODELS, WINDOW & DOOR REPLACEMENTS, GARAGE CONVERSIONS & MORE! We are proud recipients of the “Angi Super Service Award" since 2012, along with other prestigious awards. Meeting & exceeding client expectations for 12 years and counting! We LOVE what we do, and we hope it shows in the end results! CALL or TEXT us for a FREE ESTIMATE (714) 330-9031 Let’s build something beautiful together! CSLB# 1035464
"I will always hire Oc home builders. I have been using them for years. Great attention to detail that sets them apart from others."
maelin h on April 2025
At HavenHub, we're more than just a home service company – we're your trusted partner in creating havens of comfort and joy. Specializing in several verticals such as Landscaping, Roofing and HVAC solutions, we bring expertise and dedication to every project we undertake. What sets us apart is our commitment to putting our customers first. From the moment you engage us, you'll receive a world class experience with us. Whether it's transforming your outdoor space into a lush oasis or ensuring your indoor climate is just right, we're here to make it happen. At HavenHub, your satisfaction and peace of mind are our top priorities, and we're honored to be a part of your home journey. Welcome to the HavenHub family, where your home is our passion.
"Helpful! They’re helping us fix what went wrong."
Kadee Maria Knupfer G on June 2025
At HavenHub, we're more than just a home service company – we're your trusted partner in creating havens of comfort and joy. Specializing in several verticals such as Landscaping, Roofing and HVAC solutions, we bring expertise and dedication to every project we undertake. What sets us apart is our commitment to putting our customers first. From the moment you engage us, you'll receive a world class experience with us. Whether it's transforming your outdoor space into a lush oasis or ensuring your indoor climate is just right, we're here to make it happen. At HavenHub, your satisfaction and peace of mind are our top priorities, and we're honored to be a part of your home journey. Welcome to the HavenHub family, where your home is our passion.
"Helpful! They’re helping us fix what went wrong."
Kadee Maria Knupfer G on June 2025
FAQs for engineer structural projects in Signal Hill, CA
You should replace floor joists as soon as you see clear signs of structural trouble—sagging floors, wide wall cracks, uneven door frames, wet or rotting wood, persistent squeaks, or windows that no longer latch. Tilted or sinking supports in the crawl space are another red flag. If you notice any of these signs, call a pro right away to keep your home’s structure safe.
If the joists are exposed from below, a pro can swap them out without touching the finished floor above. In an unfinished basement or crawl space, you’ll often see the joists and can easily reach them. When insulation, subflooring, or finished flooring blocks access, the crew must remove these materials before repairs can begin.
Sistering allows a pro to reinforce a cracked or undersized joist without tearing up the entire floor. The contractor slowly raises the frame, then fastens a new joist snugly against the damaged one to share the load. When done correctly, sistering restores full structural strength and keeps the floor level without the cost of a complete replacement.
Floor joists installed correctly in a stable environment can last for 100 years or more, often outlasting the house itself. However, termite damage, moisture, leaks, and other problems can significantly reduce a floor's lifespan. For instance, if the floor is exposed to consistent moisture, you'll likely need to replace the joists every 20 to 30 years.
Homeowners' insurance covers floor joist damage resulting from sudden and accidental events, such as fire, windstorm, or water damage from a burst pipe. It will not cover repairs resulting from gradual deterioration, poor maintenance, or termite infestations. Review your insurance policy and consult your provider to verify the conditions that guarantee full coverage. Doing so ensures you are fully aware of your responsibilities and can plan your repair work with complete confidence.
Floor joists are essential structural components that provide a stable foundation for your home. They directly transfer the weight of floors, furniture, and occupants to the foundation, ensuring stability and a safe living environment. Without these robust beams, the structure would face compromised load distribution, leading to potential safety hazards and costly repairs. Proper installation and maintenance are crucial for long-term durability and safety.
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