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Engineer structural pros in Vallejo

Sergio Mayorga and Associates
1905 Canyon Oaks Cir
New on HomeAdvisorNew on Angi
Approved Pro
Sergio Mayorga and Associates
1905 Canyon Oaks Cir
New on AngiNew on HomeAdvisor
Approved Pro
39 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers' needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers' needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.


Gregory Paul Wallace Structural Engineer
5865 Doyle Street, Suite 112
5.00(
2
)
Approved Pro
Gregory Paul Wallace Structural Engineer
5865 Doyle Street, Suite 112
5.00(
2
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
29 years of experience

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


Avatar for Padir Consulting Engineers Corp.
Padir Consulting Engineers Corp.
5306 Birch Grove Dr
4.74(
23
)
Approved Pro
Padir Consulting Engineers Corp.
5306 Birch Grove Dr
4.74(
23
)
Approved Pro
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
17 local quotes requested

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.

"."

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.

"."

Karan M on February 2025


Avatar for ICG Engineering
ICG Engineering
1786 Margarita Court
4.48(
59
)
Approved Pro
ICG Engineering
1786 Margarita Court
4.48(
59
)
Approved Pro
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
29 years of experience

ICG Engineering was founded in 1996 by President Hossam Nasser PhD, PE, who has extensive experience in the field of structural engineering design, consultation, assessments and inspection. We have gained years of experience on a wide variety of projects for both public and private clients. ICG Engineering provides engineering consultations for commercial and residential buildings including preparation of construction drawings, interface with building officials for permit issues, and construction management. We have extensive experience in foundation repair and seismic retrofit of existing structures. We also undertake additions, remodels, and upgrades to exisiting buildings. We provide excellent customer service through timely handling of projects. We have many new construction projects for residences in the Bay Area that you may review.

"Professional"

Lucie P on March 2023

ICG Engineering was founded in 1996 by President Hossam Nasser PhD, PE, who has extensive experience in the field of structural engineering design, consultation, assessments and inspection. We have gained years of experience on a wide variety of projects for both public and private clients. ICG Engineering provides engineering consultations for commercial and residential buildings including preparation of construction drawings, interface with building officials for permit issues, and construction management. We have extensive experience in foundation repair and seismic retrofit of existing structures. We also undertake additions, remodels, and upgrades to exisiting buildings. We provide excellent customer service through timely handling of projects. We have many new construction projects for residences in the Bay Area that you may review.

"Professional"

Lucie P on March 2023


Avatar for Level Engineering San Francisco, CA (Inland)
Level Engineering San Francisco, CA (Inland)
1390 Market Street, Suite 200
4.60(
278
)
Approved Pro
Level Engineering San Francisco, CA (Inland)
1390 Market Street, Suite 200
4.60(
278
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
10 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, we continued to see something missing that cost homeowners and businesses untold stress and frustration. Contractors lost time and money, and realtors and lenders could not satisfy their client's needs. We decided to do something about it, and LEVEL Engineering was founded. We serve your interests and provide knowledgeable, expert inspection, analysis, recommendation, and reporting. Whether you need help with permits, forensics, a foundation evaluation, new or repaired engineered designs, or an inspection for your peace of mind - let us help you navigate your structural engineering projects.

"."

Allie S on October 2023

At LEVEL Engineering, we are committed to common sense, real-world engineering solutions. We started LEVEL because, after years in the building industry, we continued to see something missing that cost homeowners and businesses untold stress and frustration. Contractors lost time and money, and realtors and lenders could not satisfy their client's needs. We decided to do something about it, and LEVEL Engineering was founded. We serve your interests and provide knowledgeable, expert inspection, analysis, recommendation, and reporting. Whether you need help with permits, forensics, a foundation evaluation, new or repaired engineered designs, or an inspection for your peace of mind - let us help you navigate your structural engineering projects.

"."

Allie S on October 2023


Avatar for AVENTRA ENGINEERING SERVICES INC
AVENTRA ENGINEERING SERVICES INC
131 MONTECITO CRESCENT
5.00(
3
)
Approved Pro
AVENTRA ENGINEERING SERVICES INC
131 MONTECITO CRESCENT
5.00(
3
)
Approved Pro
Free onsite estimate
Emergency services offered

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


Avatar for Jerson Landscaping
Jerson Landscaping
5.00(
9
)
Approved Pro
Jerson Landscaping
5.00(
9
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
2502 local quotes requested

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!

"Jerson and his crew were fairly priced, very efficient and did great work on our front yard landscape demolition and removal. They removed several bushes, stumps a 1400 square foot dead lawn and cement strips with nasty rebar. A very hard working crew! Communication was superb!"

Brown m on August 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!

"Jerson and his crew were fairly priced, very efficient and did great work on our front yard landscape demolition and removal. They removed several bushes, stumps a 1400 square foot dead lawn and cement strips with nasty rebar. A very hard working crew! Communication was superb!"

Brown m on August 2024


Avatar for Vinny Landscaping
Vinny Landscaping
4.78(
37
)
Approved Pro
Vinny Landscaping
4.78(
37
)
Approved Pro
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
446 local quotes requested

We have the experience and dedication to bring your dreams to reality! We guarantee your satisfaction, and we won’t leave until the job is done right. Our team has quality experience in this industry, and we make sure our customers are happy before we leave. Call or click to schedule an estimate today!

"It’s cliche, but I would give Vinny and his team more than 5 stars if I could. I was impressed by Vinny immediately by his professionalism. He arrives on time everytime. He does what he says. He comes up with ideas that need to be done on your project and gives you incredible value for the work being done. I’d say he has a eye for making your landscaping project pop in it’s beauty. He selects beautiful flowers, sets rocks in an artistic manner, sets up great looking retaining walls. His team also works fast if you appreciate that, but his team does not work so fast that they forget to do the little things that need to be done. His team is fast and thorough. Overall, I love my new yard and I have a new pride in my house and backyard. I highly recommend Vinny and his team. They are true professionals who arrive on time, give you great value and your project will look better than you could have imagined."

Alex L on July 2025

We have the experience and dedication to bring your dreams to reality! We guarantee your satisfaction, and we won’t leave until the job is done right. Our team has quality experience in this industry, and we make sure our customers are happy before we leave. Call or click to schedule an estimate today!

"It’s cliche, but I would give Vinny and his team more than 5 stars if I could. I was impressed by Vinny immediately by his professionalism. He arrives on time everytime. He does what he says. He comes up with ideas that need to be done on your project and gives you incredible value for the work being done. I’d say he has a eye for making your landscaping project pop in it’s beauty. He selects beautiful flowers, sets rocks in an artistic manner, sets up great looking retaining walls. His team also works fast if you appreciate that, but his team does not work so fast that they forget to do the little things that need to be done. His team is fast and thorough. Overall, I love my new yard and I have a new pride in my house and backyard. I highly recommend Vinny and his team. They are true professionals who arrive on time, give you great value and your project will look better than you could have imagined."

Alex L on July 2025


Avatar for Geico Builders
Geico Builders
1901 Harrison Street
5.00(
19
)
Approved Pro
Geico Builders
1901 Harrison Street
5.00(
19
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1705 local quotes requested

Geico Builders specializes in meeting your expectations before, during, and after the project is complete. Our most upstanding quality is our accountability--you can expect us to own the work we complete for your home. Of course, we know accountability means nothing without proof, which is why we are happy to offer a 2-year workmanship warranty to all of our clients. This is a rare quality for this industry, but we wanted to prove to you that we stand by our craftsmanship through our home remodeling construction services. Every Crew at Geico Builders has been professionally trained and will treat your home with integrity and respect.

"GEICO did a really terrific job. Everyone very professional. Specifically, project manager, Brian, did a great job from start to finish. He was always available and answered all my questions, and is highly detailed oriented. Would highly recommend GEICO in future."

tyler m on July 2025

Geico Builders specializes in meeting your expectations before, during, and after the project is complete. Our most upstanding quality is our accountability--you can expect us to own the work we complete for your home. Of course, we know accountability means nothing without proof, which is why we are happy to offer a 2-year workmanship warranty to all of our clients. This is a rare quality for this industry, but we wanted to prove to you that we stand by our craftsmanship through our home remodeling construction services. Every Crew at Geico Builders has been professionally trained and will treat your home with integrity and respect.

"GEICO did a really terrific job. Everyone very professional. Specifically, project manager, Brian, did a great job from start to finish. He was always available and answered all my questions, and is highly detailed oriented. Would highly recommend GEICO in future."

tyler m on July 2025


Avatar for Ch construction services inc
Ch construction services inc
11501 Dublin Blvd STE 200
5.00(
8
)
Approved Pro
Ch construction services inc
11501 Dublin Blvd STE 200
5.00(
8
)
Approved Pro
Customers say: Quick response
804 local quotes requested
1 years of experience

Now doing Accessibility Remodeling Services!! You don't have to sacrifice luxury for accessibility and comfort. Create a home that grows with you. we tailor to your needs and pain points. Our services also include Kitchen Upgrades, Windows installation Siding installation, Flooring, Bathroom remodeling Concrete work, Stucco work. Our team specializes in delivering full remodeling services, tailored to transform your home. We handle every aspect of the process with precision and care, ensuring your vision is brought to life. From planning to completion, we focus on quality craftsmanship and client satisfaction.

"Amazing work done in my house, love how everything came out. Very professional"

Martha S on June 2025

Now doing Accessibility Remodeling Services!! You don't have to sacrifice luxury for accessibility and comfort. Create a home that grows with you. we tailor to your needs and pain points. Our services also include Kitchen Upgrades, Windows installation Siding installation, Flooring, Bathroom remodeling Concrete work, Stucco work. Our team specializes in delivering full remodeling services, tailored to transform your home. We handle every aspect of the process with precision and care, ensuring your vision is brought to life. From planning to completion, we focus on quality craftsmanship and client satisfaction.

"Amazing work done in my house, love how everything came out. Very professional"

Martha S on June 2025

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FAQs for engineer structural projects in Vallejo, 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.

The Vallejo, CA homeowners’ guide to engineer structurals
From average costs to expert advice, get all the answers you need to get your job done.
draftsperson working on house plans in an office
Jun 22, 2025
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Cozy house interior with a wooden floor
Jun 17, 2025
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