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TRUSTED BY VALLEJO, CA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon27
    Verified structural engineering services reviews

Top-Rated Structural engineers in Vallejo - Updated Nov 2026

Avatar for ICG Engineering
ICG Engineering
4.3(
71
)
Engineer - Structural

Serving Vallejo, CA and surrounding areas

Approved

In business since 1996

Free estimates

Credit card accepted

"Hossam walked us through the whole process. We had a real bad experience with a different Structural Engiineer shortly before contact Hossam. So were really nervous. Hossam was professional and his work and team were the same. He put my wife at ease with the process and she was comfortable asking questions, knowing he was there to help us and to provide a professional service..no question too small. He met the deadline ahead of schedule. We picked up drawings last week... I just got permit today!!We are so happy Homeadvisor had him listed. Although scared by our other experience, we knew if Homeadvisor recommended him,it would be safe. He and Homeadvisor exceeded our expectations!"
 New construction
 Kitchen remodeling
Response time2 days
Response rate96%
1 neighbors recently requested a quote
Avatar for Liberty Drafting Studios LLC
Liberty Drafting Studios LLC
4.9(
16
)
ArchitectDraftsperson/CADD

Serving Vallejo, CA and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

"Working with David was seamless. He did what he said he was going to do, was on time with his work and the work was exceptional. He needed to work with an engineer to get certain specialized part of my garage to pass with the city but i got approved from the City of Sacramento for my garage rebuild on the first try ! ! I will be working with David in the future and highly recommend him."
Interior and exterior
Home after fire
Home after construction
Courtyard and great room design
Response time1 day
5 neighbors recently requested a quote
Recommended by33%of homeowners
Avatar for Team2 Architecture + Design
Team2 Architecture + Design
4.5(
25
)
ArchitectArchitect - For BusinessDraftsperson/CADD

Serving Vallejo, CA and surrounding areas

Approved

In business since 1997

Small jobs welcome

Offers commercial services

"Shilpa working with her structural engineer completed all the architectural and structural plans and calculations for a 400SF single story addition, complete with drilled piers and grade beams, in just over two months for submittal to City for review. Shilpa is very easy to work with and is quite readily available to fit my work and project schedule. Shilpa is very responsive to my comments and timely completion of required documents. Cost is reasonable. City has few review comments and issued permit for construction. I would definitely retain Shilpa again when the need comes up."
Response time1 day
Recommended by72%of homeowners
Avatar for Evolution Drafting
Evolution Drafting
3.7(
128
)
Draftsperson/CADDArchitectArchitect - For Business

Serving Vallejo, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"I am having a full master bath and kitchen remodel done with new layouts in both rooms and knocking out a wall. Evolution worked with me to quickly get a drawing done of the new layouts so that the contractor could get started on the project. They made sure to include me in the process so that the design would be done exactly as my wife and I envisioned. They communicated effectively throughout the process and were always courteous and professional. I recommend them to anyone with drafting needs."
Zeal Floor Plan
Charcoal
Palm Floor Plan
Charcoal Floor 2
Charcoal Floor 1

+23

Response time1 day
Response rate100%
66 neighbors recently requested a quote
Avatar for Ogle Design
Ogle Design
4.9(
8
)
Architect - For Business

Serving Vallejo, CA and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

"It was such a great experience working with Will and his team at Ogle Designs. They helped us design a blueprint for creating additions to our house including designs for the inside and patio/landscape design We so impressed with Ogle Design's high level of professionalism, expertise and overall delivery of our project. They completed everything on time and within budget! Thanks for your excellent service."
Modern Deck
Modern Deck 2
Exterior Contemporary
Kitchen Island
Living Room

+14

Response time2 days
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for M. Holz Design Studio
M. Holz Design Studio
5.0(
5
)
Draftsperson/CADD

Serving Vallejo, CA and surrounding areas

Approved

In business since 2023

Free estimates

Small jobs welcome

"Mary helped me with a new barn/adu design and also a second dwelling design. Sheâ s so easy to work with and made the process easy and streamlined. I highly recommend her!"
Front Entry
Back Deck
Dining Room
Main Residence and Barn
Kitchen

+20

Response time1 day
Response rate98%
Recommended by75%of homeowners
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Structural Engineering FAQs, answered by experts

A 4-inch-thick concrete slab can support around 4,000 pounds per square foot if a contractor reinforces the slab with rebar, while that same slab without reinforcements will support closer to 1,000 pounds. For the purposes of a patio, 4 inches in thickness without reinforcement should suffice unless you’re installing heavy kitchen equipment or a hot tub on it. In those cases, reinforcing your slab and sticking with 4 inches of thickness should provide plenty of strength.

Structural engineers typically conduct inspections during a home sale or renovation, looking for signs of structural damage in various structures throughout the building, such as load-bearing walls, joists, beams, roofing trusses, foundations, and chimneys. Some of the warning signs that structural engineers check for include:

  • Dry rot

  • Infestation

  • Shifting or cracking foundations

  • Erosion

  • Water damage

  • Sagging, shifting, or damaged walls, ceilings, or roofing support

It is not recommended to cut or drill into LVL (laminated veneer lumber) beams. As major structural components of a home, their composite structure can be compromised by alterations, which can weaken them and lead to cracking over time. If you must make modifications to an LVL beam, it is crucial to consult a structural engineer or general contractor first. A professional can advise on whether it's safe and provide specifics on the appropriate bit size, depth, and directionality for any necessary drilling.

Cathedral ceilings make a statement in your home, but at the cost of your attic space. Normal attics are wide open, which allows warm air to move around and exit your home. Because of this, cathedral ceilings make your home less energy efficient and put your ceiling at risk of venting issues if you’re not careful. They also reduce your attic storage space, potentially cause an echo, and even make it harder to change a light bulb.

Signs of structural damage include foundation cracks, roof leaks, bouncy floors, crumbling concrete, and cracked or leaning chimneys. Structural damage can make itself apparent in various ways, and sometimes, there may not be obvious signs. Inspect your foundation and roof annually to stay ahead of potentially serious structural problems. 

The Vallejo, CA homeowners’ guide to structural engineering services

From average costs to expert advice, get all the answers you need to get your job done.