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Engineer structural pros in Los Angeles
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
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
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
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
For over 25 years J. Brent Hoerner has provided quality structural engineering in southern California.. He enjoys using his expertise, experience, and creativity on all types of structural engineering projects. Don't worry if you think your project is too small, too big, too complicated, or too unusual. Brent likes to help people solve their problems, accomplish their goals and achieve their dreams.
"Very trust worthy"
Amanda l on July 2023
For over 25 years J. Brent Hoerner has provided quality structural engineering in southern California.. He enjoys using his expertise, experience, and creativity on all types of structural engineering projects. Don't worry if you think your project is too small, too big, too complicated, or too unusual. Brent likes to help people solve their problems, accomplish their goals and achieve their dreams.
"Very trust worthy"
Amanda l on July 2023
Welcome to Standley Structural Design, proudly servicing Sherman Oaks, and the surrounding areas. Our goal is to complete your project to perfection. We look forward to building long lasting relationships with the customers that we serve. We look forward to serving you. Call us today! You will not be disappointed. We are a Los Angeles based structural design team of qualified and licensed Civil Engineers. We can assist you in effective assessment and design whether your home is in need of repairs, you are looking to renovate or build an addition, or you are looking to build a new home from scratch. We serve the entire state of California. We know the most important thing we can do is design efficient, easy to construct systems, and get them back to you in a workable amount of time. We pride ourselves in thorough and effective designs gotten back to you in time to not delay your projects.
"punctual . professional and pleasant."
ELLEY L on February 2021
Welcome to Standley Structural Design, proudly servicing Sherman Oaks, and the surrounding areas. Our goal is to complete your project to perfection. We look forward to building long lasting relationships with the customers that we serve. We look forward to serving you. Call us today! You will not be disappointed. We are a Los Angeles based structural design team of qualified and licensed Civil Engineers. We can assist you in effective assessment and design whether your home is in need of repairs, you are looking to renovate or build an addition, or you are looking to build a new home from scratch. We serve the entire state of California. We know the most important thing we can do is design efficient, easy to construct systems, and get them back to you in a workable amount of time. We pride ourselves in thorough and effective designs gotten back to you in time to not delay your projects.
"punctual . professional and pleasant."
ELLEY L on February 2021
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 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
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
With over 500 ⭐️⭐️⭐️⭐️⭐️ reviews across our platforms, we look forward to servicing you with top quality work. Flores Artscape is landscape construction company established in 2004 by husband and wife team Rumaldo and Miriam Flores after years of prior experience in landscaping and gardening. We offer a variety of services such as hardscape, softscape, planting, lighting, irrigation, flagstone, pavers, and much more. We take our business personally, that is why we offer our service and integrity to you. We make sure your experience with us is great and provide you with landscaping that reflects you and who you are!
"The crew from start to finish were great! Eric, Julio and the team were responsive and very conscientious about gently moving around our current plants especially when they installed the wiring and lights! We had a few details that we needed to call them back that needed adjusting for and so far they have been responsive and have promised to handle within the week."
Ellen P. H on June 2025
With over 500 ⭐️⭐️⭐️⭐️⭐️ reviews across our platforms, we look forward to servicing you with top quality work. Flores Artscape is landscape construction company established in 2004 by husband and wife team Rumaldo and Miriam Flores after years of prior experience in landscaping and gardening. We offer a variety of services such as hardscape, softscape, planting, lighting, irrigation, flagstone, pavers, and much more. We take our business personally, that is why we offer our service and integrity to you. We make sure your experience with us is great and provide you with landscaping that reflects you and who you are!
"The crew from start to finish were great! Eric, Julio and the team were responsive and very conscientious about gently moving around our current plants especially when they installed the wiring and lights! We had a few details that we needed to call them back that needed adjusting for and so far they have been responsive and have promised to handle within the week."
Ellen P. H on June 2025
We are family owned and operated and as such here at Juan De Jesus Inc, we sustain our business on quality, honesty, and integrity. We are experts in the Construction and Remodeling trade and are committed to quality from the beginning to the end of your project. We aim to be your number choice in the Construction industry and we are always looking to grow as a company, individuals, and as a positive influence in our community. We look forward to earning your business, call us today for your FREE ESTIMATE!
"Juan was punctual and professional. He was very good at communicating so we we’re always on the same page re the project. The work was clean and looks great."
Kathleen H on June 2025
We are family owned and operated and as such here at Juan De Jesus Inc, we sustain our business on quality, honesty, and integrity. We are experts in the Construction and Remodeling trade and are committed to quality from the beginning to the end of your project. We aim to be your number choice in the Construction industry and we are always looking to grow as a company, individuals, and as a positive influence in our community. We look forward to earning your business, call us today for your FREE ESTIMATE!
"Juan was punctual and professional. He was very good at communicating so we we’re always on the same page re the project. The work was clean and looks great."
Kathleen H on June 2025
FAQs for engineer structural projects in Los Angeles, 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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