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  • Average homeowner rating star icon4.2
    Average homeowner rating
  • Verified reviews icon27
    Verified structural engineering services reviews

Top-Rated Structural engineers in Antioch - Updated Nov 2026

Avatar for Padir Consulting Engineers Corp.
Padir Consulting Engineers Corp.
4.8(
28
)
ArchitectEngineer - StructuralDraftsperson/CADD

Serving Antioch, CA and surrounding areas

Approved

In business since 1994

Free estimates

Emergency services offered

"Very honest engineer. He performed a mandatory seismic inspection that was required for the city of Hayward. There was no foundation issue whatsoever. Before Mr Padir did the inspection I had a retrofit company look at my building and they told me it would cost $58k to fix the problem and I almost fell for it. It turns out that one joist was rotten from a sewer leak that was repaired. It is hard to find honest people these days. I am so glad it is only a cosmetic fix and a sister joist installed next to it to relieve the pressure on the building. Thank you once again Mr. Padir. Excellent job and quick turnaround."
Dana Condominium
Richmond single family dwelling
Addition to the Single Family dwelling
Affordable Building for Non Profits
Historic Church of All Faiths

+35

Response time1 day
23 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Guillen Design & Drafting Services
Guillen Design & Drafting Services
5.0(
8
)
ArchitectDraftsperson/CADD

Serving Antioch, CA and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

At Guillen Design & Drafting Services, we help bring your building ideas to life whether you're starting from the ground up or remodeling an existing space. We specialize in producing well-designed architectural construction documents tailored to each clients unique needs. From initial concept through the permitting process, we're here to guide you every step of the way. We also team up with the appropriate engineers and Title 24 energy consultants to ensure your plans meet all codes and requirements. Our goal is to make the design process smooth, clear, and stress-free so you can focus on your vision while we handle the details.

Guillen Design & Drafting
Kearley Residence Remodel
Kearley Residence Remodel
Avatar for Liberty Drafting Studios LLC
Liberty Drafting Studios LLC
4.9(
16
)
ArchitectDraftsperson/CADD

Serving Antioch, 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 Antioch, CA and surrounding areas

Approved

In business since 1997

Small jobs welcome

Offers commercial services

"Shilpa did an amazing job designing an addition to a home we bought. It included remodeling an extra framed garage into a master bedroom suite, laundry room and powder room plus adding to its size . The project also included doubling a great room to blend into the house with the new suite as well as opening up the kitchen to this great room and raising the ceiling . The design blends really well and will provide a nice open plan for living and entertaining I was impressed with how well Shilpa understood what we wanted and executed the plans in the time frame promised if not earlier. She also pushed it thru the planning dept. with minimal need for changes. The project is on going and is moving along well Shilpa is always available to answer questions as things progress. The contractor feels she is easy to work with as well. I really enjoyed working with Shilpa and easy her demeanor ."
Response time1 day
Recommended by72%of homeowners
StudioNorth
4.9(
7
)
Draftsperson/CADD

Serving Antioch, CA and surrounding areas

Approved

In business since 2012

Customers say: Quick response

"Esther responded quickly to my inquiry, made me feel comfortable in determining what could be done with the space on a limited budget, offered many options and followed through with updates and contacts efficiently so that I had the best solutions and products available to complete the project."
2 neighbors recently requested a quote
Recommended by100%of homeowners
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Structural Engineering FAQs, answered by experts

Precast concrete can be reinforced with rebar, wire mesh, or other materials to improve its strength and add stability. Precast concrete for large construction projects is often pre-stressed as well for greater structural strength. Reinforced concrete is durable and strong, making it an ideal choice for many construction projects.

Building codes for spiral staircases will vary by your location. Most local codes will specify minimum tread width, riser height, handrail requirements, and headroom. These standards help ensure safety and accessibility for all users. Always check local codes before you begin the installation to ensure compliance and avoid costly modifications or fines.

Yes, you can put a doorway in a structural wall; in fact, most exterior doors are set into structural walls. The project is a little more challenging than installing a door in a non-load-bearing wall because you need a structural engineer to assess the wall and make sure it’s safe to create a wall opening. Your engineer’s report will include instructions for your contractor on how and where to install additional supports, like steel headers above the door, to distribute the weight above to the wall on either side of the door.

Many horizontal cracks in home foundations result from water and soil pressure from outside of the building or from a footing that is shifting. Under those circumstances, horizontal cracks are a structural problem that requires repair before they become worse and more difficult to fix. However, in very specific cases, thin horizontal cracks may simply be a cosmetic blemish due to concrete shrinkage.

Structural engineers are necessary for projects involving alterations to load-bearing structures, foundation work, and compliance with safety standards. This includes home expansions, retaining walls, and significant repairs that impact a property's integrity.

The Antioch, CA homeowners’ guide to structural engineering services

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