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Engineer structural pros in San Francisco
Harlequin Designs and Engineering was recently founded by Civil Engineer, Christian Bratt, from Truckee, CA and is now based out of San Francisco. Christian is ready for any residential design challenges you have. With hands on experience in many trades do to his upbringing by his two brothers and father who are all contractors in the Tahoe/Truckee area, Christian has a true advantage over traditionally trained Architects and Engineers. Being able to implement a design, engineer it, and have a thorough understanding of how it will be built is a perfect storm for saving time, money, and materials.
Harlequin Designs and Engineering was recently founded by Civil Engineer, Christian Bratt, from Truckee, CA and is now based out of San Francisco. Christian is ready for any residential design challenges you have. With hands on experience in many trades do to his upbringing by his two brothers and father who are all contractors in the Tahoe/Truckee area, Christian has a true advantage over traditionally trained Architects and Engineers. Being able to implement a design, engineer it, and have a thorough understanding of how it will be built is a perfect storm for saving time, money, and materials.
Gregory Paul Wallace Structural Engineer is a top qualified structural engineer who can assist you with all of your residential and light commercial needs. We provide expertise in consulting for residential and commercial projects. We work all of the Bay Area, as well as all of the surrounding counties. What our service provides, is a key aspect in turning your dream house into a reality. We will go the extra mile to win your business.
"Due to a number of large cracks inside and outside of the house, along with skewed doors, I was concerned about structural issues. Greg was able to come out and look at the outside of the house, attic, and crawl space soon after I spoke with him. He explained there isn't anything structurally wrong with the house and the reasons we could be experiencing the issues we're having. He made several suggestions on what to do and how to go about alleviating the issues. Very personable."
Diana M on November 2020
Gregory Paul Wallace Structural Engineer is a top qualified structural engineer who can assist you with all of your residential and light commercial needs. We provide expertise in consulting for residential and commercial projects. We work all of the Bay Area, as well as all of the surrounding counties. What our service provides, is a key aspect in turning your dream house into a reality. We will go the extra mile to win your business.
"Due to a number of large cracks inside and outside of the house, along with skewed doors, I was concerned about structural issues. Greg was able to come out and look at the outside of the house, attic, and crawl space soon after I spoke with him. He explained there isn't anything structurally wrong with the house and the reasons we could be experiencing the issues we're having. He made several suggestions on what to do and how to go about alleviating the issues. Very personable."
Diana M on November 2020
Established in 2024, Aventra Engineering Services Inc. (Aventra) (License #1133283) leverages more than four decades of collective expertise in structural engineering, seismic retrofitting, concrete infrastructure, and erosion control solutions. Our commitment to craftsmanship, transparent communication, and uncompromising standards drives every project, ensuring reliable, high–quality outcomes for public and private sector clients across California’s Bay Area. Founded by CEO Aryan Pakkhoo and his father, Vice President Manoochehr Pakkhoo, a seasoned construction professional, Aventra blends data‑driven strategy with hands‑on insight to keep structural integrity, safety, and efficiency at the forefront of every build. We uphold strict quality control, a safety‑first culture, and seamless collaboration among architects, contractors, and agencies from project inception through completion, delivering resilient structures that protect communities and budgets alike.
"Professional and thorough work in helping construct an in law unit exactly to our specifications. Flexible with design process and we were completely satisfied. "
Steven S on May 2025
Established in 2024, Aventra Engineering Services Inc. (Aventra) (License #1133283) leverages more than four decades of collective expertise in structural engineering, seismic retrofitting, concrete infrastructure, and erosion control solutions. Our commitment to craftsmanship, transparent communication, and uncompromising standards drives every project, ensuring reliable, high–quality outcomes for public and private sector clients across California’s Bay Area. Founded by CEO Aryan Pakkhoo and his father, Vice President Manoochehr Pakkhoo, a seasoned construction professional, Aventra blends data‑driven strategy with hands‑on insight to keep structural integrity, safety, and efficiency at the forefront of every build. We uphold strict quality control, a safety‑first culture, and seamless collaboration among architects, contractors, and agencies from project inception through completion, delivering resilient structures that protect communities and budgets alike.
"Professional and thorough work in helping construct an in law unit exactly to our specifications. Flexible with design process and we were completely satisfied. "
Steven S on May 2025
Padir Consulting Engineers, is committed to excellence and continues to be an outstanding business in California. The company is in San Jose. Padir Consulting Engineers offers a full range of Architectural and structural services to the construction and building industry to the owners and contractors. Our services are guided by a fundamental principle of quality and innovation which dictates the development of effective solutions that satisfy the unique needs of owners, and developers. Our values and design philosophies are based on: Research on the new technologies, Innovation, Imagination, Experience, Hard work, and Teamwork. Please contact for any of your architectural or structural engineering needs, especially if you are looking for the good deals, cost-benefit project, and an innovative and unique design. Senior citizens, veterans, academics at school or universities, churches, and non-profit organizations are welcome for the discount. We accept all Credit Cards.
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Karan M on February 2025
Padir Consulting Engineers, is committed to excellence and continues to be an outstanding business in California. The company is in San Jose. Padir Consulting Engineers offers a full range of Architectural and structural services to the construction and building industry to the owners and contractors. Our services are guided by a fundamental principle of quality and innovation which dictates the development of effective solutions that satisfy the unique needs of owners, and developers. Our values and design philosophies are based on: Research on the new technologies, Innovation, Imagination, Experience, Hard work, and Teamwork. Please contact for any of your architectural or structural engineering needs, especially if you are looking for the good deals, cost-benefit project, and an innovative and unique design. Senior citizens, veterans, academics at school or universities, churches, and non-profit organizations are welcome for the discount. We accept all Credit Cards.
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Karan M on February 2025
We are a locally owned and operated company that values honesty, integrity and treats your home as if it were our own. We offer a variety of Structural Engineering services that are customizable 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!
We are a locally owned and operated company that values honesty, integrity and treats your home as if it were our own. We offer a variety of Structural Engineering services that are customizable 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!
We specialize in all phases of landscaping and hardscaping services! At Go Green Landscape our belief is that our customers needs are the utmost importance. Our team has experience dating back to 2005 and are committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is to big or to small, please contact us for a free estimate!
"The service went well. They were quick."
Oz S on June 2021
We specialize in all phases of landscaping and hardscaping services! At Go Green Landscape our belief is that our customers needs are the utmost importance. Our team has experience dating back to 2005 and are committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is to big or to small, please contact us for a free estimate!
"The service went well. They were quick."
Oz S on June 2021
Founded in 2018 for the purposes of branching out on its own, VSA Construction is a family owned business leveraging over 20 years of experience in real estate and construction activities. Management team has an impressive portfolio of projects completed including: Condominium Developments Tenancy In Common (TIC) Residential New Construction Commercial Construction Remodels Multiunit Apartment Buildings Foundation Earthquake retrofitting including for compliance with San Francisco Soft Story Ordinance Public Works project for the city and county of San Francisco Victorian Restoration http://www.vsa-construction.com
"I had water leak from an upstairs shower, it was serious with a steady stream of water making it through the wall and ceiling. It was a mess and the a list of possible causes that were not easy to diagnose. Luke was easy to work with and was available to start work promptly. We came up with a plan to do the amount of work to fix just the leak and add additional work as necessary to guarantee waterproofing. Watching the shower work being done, it is honestly one of the hardest work to do. Dimensions are not standard, there are many custom choices and there are so many materials and tools that go into the work. The subcontractor doing the work made some design decisions that I wasn’t happy with, Luke agreed with my concerns and took the steps to make it right. I trust him to be a man of his word to get results that make all parties involved happy."
Will L on June 2024
Founded in 2018 for the purposes of branching out on its own, VSA Construction is a family owned business leveraging over 20 years of experience in real estate and construction activities. Management team has an impressive portfolio of projects completed including: Condominium Developments Tenancy In Common (TIC) Residential New Construction Commercial Construction Remodels Multiunit Apartment Buildings Foundation Earthquake retrofitting including for compliance with San Francisco Soft Story Ordinance Public Works project for the city and county of San Francisco Victorian Restoration http://www.vsa-construction.com
"I had water leak from an upstairs shower, it was serious with a steady stream of water making it through the wall and ceiling. It was a mess and the a list of possible causes that were not easy to diagnose. Luke was easy to work with and was available to start work promptly. We came up with a plan to do the amount of work to fix just the leak and add additional work as necessary to guarantee waterproofing. Watching the shower work being done, it is honestly one of the hardest work to do. Dimensions are not standard, there are many custom choices and there are so many materials and tools that go into the work. The subcontractor doing the work made some design decisions that I wasn’t happy with, Luke agreed with my concerns and took the steps to make it right. I trust him to be a man of his word to get results that make all parties involved happy."
Will L on June 2024
Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work.As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!
"They did a excellent job and we were pleased with their service!"
Allan P on September 2023
Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work.As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!
"They did a excellent job and we were pleased with their service!"
Allan P on September 2023
Our main goal in LeCut Construction is to make our clients happy and satisfied from all the stages of the project! We believe in good workmanship that's why our guys are very dedicated and diligent that's what makes our job much easier. LeCut Construction is a family-owned and operated contracting company serving the Bay Area. We pride ourselves in our detailed workmanship and exceptional customer service. When you choose LeCut to carry out your vision, you become part of the LeCut family. We treat every project with diligence and care, and we stand by our values of quality, integrity, accountability, and respect. Our business is almost solely built on referrals which speaks volumes of our client satisfaction and consistency. We hope you choose LeCut for your next project.
"We recently renovated both of our bathrooms and had an amazing experience with the crew. They were incredibly humble, clean, and professional throughout the entire process. They showed great attention to detail and were always responsive to any questions or requests we had. The team worked diligently every day until the job was done, and the results are fantastic. Recommendation: Make sure to order all materials and fixtures in advance—this really helps the crew work more efficiently and avoid delays. I highly recommend them for any job you’re considering, big or small. Their work ethic and professionalism truly stand out."
Liat L on April 2025
Our main goal in LeCut Construction is to make our clients happy and satisfied from all the stages of the project! We believe in good workmanship that's why our guys are very dedicated and diligent that's what makes our job much easier. LeCut Construction is a family-owned and operated contracting company serving the Bay Area. We pride ourselves in our detailed workmanship and exceptional customer service. When you choose LeCut to carry out your vision, you become part of the LeCut family. We treat every project with diligence and care, and we stand by our values of quality, integrity, accountability, and respect. Our business is almost solely built on referrals which speaks volumes of our client satisfaction and consistency. We hope you choose LeCut for your next project.
"We recently renovated both of our bathrooms and had an amazing experience with the crew. They were incredibly humble, clean, and professional throughout the entire process. They showed great attention to detail and were always responsive to any questions or requests we had. The team worked diligently every day until the job was done, and the results are fantastic. Recommendation: Make sure to order all materials and fixtures in advance—this really helps the crew work more efficiently and avoid delays. I highly recommend them for any job you’re considering, big or small. Their work ethic and professionalism truly stand out."
Liat L on April 2025
Family owned, with over 17 years of experience. Here to help you with all your landscaping needs and dreams
"Excellent work. Excellent crew. Hardworking - executing the design we wanted. The patio and walkways came out great."
Dave M on June 2024
Family owned, with over 17 years of experience. Here to help you with all your landscaping needs and dreams
"Excellent work. Excellent crew. Hardworking - executing the design we wanted. The patio and walkways came out great."
Dave M on June 2024
FAQs for engineer structural projects in San Francisco, 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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