Top-rated structural engineers.

Get matched with top structural engineers in Walnut, CA

Enter your zip and get matched with up to 5 pros

Need a pro for your structural engineering project in Walnut, CA?

Select your specific project to find the pro for you.

TRUSTED BY WALNUT, CA HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon16
    Verified structural engineering services reviews

Find Structural engineers in Walnut

Avatar for Alpha Structural, Inc.
Alpha Structural, Inc.
4.6(
241
)
Engineer - Structural

Serving Walnut, CA and surrounding areas

Approved (Corporate)

In business since 1992

Free estimates

Emergency services offered

"I worked with Alpha once before, and they assisted with a second project 2 years ago which, now finally completed, I'm able to write a review about. Alpha helped with structural plans for windows in a garden level unit in order to prepare the proposal for city approval. Alpha is a big company and it took them a little while to complete everything; however I can certainly say that the engineer and contact people were knowledgeable and thorough. The plans were approved with their help and now that the unit is permitted for occupancy, the windows are a lovely attribute to the space."
Basement Addition
Basement Expansion
Caisson Supported Retaining Wall
Cantilevered Deck Design Build
Deck Expansion and Slope Failure with Retaining Wall

+323

Response time10 hrs
Response rate100%
12 neighbors recently requested a quote
Avatar for RCS Engineering Services
RCS Engineering Services
5.0(
3
)
ArchitectEngineer - Structural

Serving Walnut, CA and surrounding areas

Approved

In business since 2018

Offers commercial services

Customers say: Quick response

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.

Slab On Grade - Carport
Foundation Underpinning
Existing Wall
Existing Wall/ Form Work
FOundation Underpinning

+15

Response time8 hrs
Recommended by100%of homeowners
Avatar for AAA Engineering Design
AAA Engineering Design
4.1(
9
)
Engineer - Structural

Serving Walnut, CA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

With over two decades of experience, we provide structural engineering services for residential and commercial projects throughout California. We specialize in timber, steel, concrete, and CMU structural design for public and private sector developments. Our approach focuses on safety, constructability, cost efficiency, and full code compliance.\nOur experience includes shopping centers, office buildings, retail spaces, tenant improvements, industrial facilities, new homes, additions, remodels, ADUs, retaining walls, foundation systems, seismic retrofits, and structural upgrades. We work closely with owners, architects, contractors, and local agencies to deliver practical engineering solutions with fast turnaround times and reliable support from design through permitting and construction. Customer satisfaction, clear communication, and dependable service are the foundation of our business. Contact us today to discuss your project.

3 Story 4 Condos
3 Story 4 Condos
3 Story 4 Condos
3 Story 4 Condos
3 Story 4 Condos

+5

26 neighbors recently requested a quote
Recommended by66%of homeowners
Peter T. Erdelyi & Associates, Inc.
3.9(
115
)
Engineer - Structural

Serving Walnut, CA and surrounding areas

Approved

In business since 1976

Free estimates

Warranties offered

"I couldn't find a structural engineer to look at my drawings and provide good engineering services until I called Peter. He was willing to look at the project even though there were still questions about the build to be answered."
 1
 PIC 1
 Picture 2
2
 Picture 3

+11

Response time2 days
131 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Alpha Omega
Alpha Omega
4.0(
116
)
Engineer - Structural

Serving Walnut, CA and surrounding areas

Approved

In business since 2003

Free estimates

Small jobs welcome

"I would like to edit my previous negative review as did not realize that the Engineer was further researching on how best to resolve my home s structural problem. I certainly admire his diligence and his compassionate desire to help his client."
Plot Plan for Auto Dealer
Auto Body Shop
Response time10 hrs
Response rate86%
66 neighbors recently requested a quote
Avatar for Eagle View Remodeling
Eagle View Remodeling
4.7(
88
)
ArchitectDraftsperson/CADD

Serving Walnut, CA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1989

Free estimates

Emergency services offered

"Wow! An honest contractor who responds immediately. After looking at my concrete situation, he identified the problem and recommended a quick, inexpensive DIY solution. Great to see honest, sincere people still are out there."
New Constraction
New Constraction
New Constraction
New Constraction
New Constraction

+145

Response time8 hrs
Response rate99%
71 neighbors recently requested a quote
Avatar for Drafting Design Services
Drafting Design Services
4.8(
18
)
Draftsperson/CADD

Serving Walnut, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Credit card accepted

Offers commercial services

"If you?re here looking for an architect, look no further. Francisco is the man for the job. He helped us with a garage to ADU conversion. Francisco kept us informed and communicated with us throughout the entire project. He was very professional, helpful and patient. We had tons of questions and he had the answers. He is very efficient and great at his job. We would hire him again with no hesitation. Thank you Francisco for making for making this process a breeze!"
Response time2 days
5 neighbors recently requested a quote
Recommended by70%of homeowners
AAA Engineering Design
4.1(
9
)
Engineer - Structural

Serving Walnut, CA and surrounding areas

Approved

In business since 2007

Free estimates

Small jobs welcome

"I had the pleasure of working with Aws on a recent project and was thoroughly impressed by his professionalism and efficiency. He delivered a clean, straightforward structural design that met all the necessary requirements without unnecessary complexity. Aws was fast, reliable, and highly communicative throughout the process, making coordination smooth and strass-free. On top of that, the pricing was very reasonable. I highly recommend Aws and his firm for any structural engineering needs. They offer a great combination of expertise, responsiveness, and value."
Foundation Plan
Roof Framing Plan
Response time3 hrs
Recommended by66%of homeowners
...
Showing 1-10 of 241
Structural Engineering questions, answered by experts

Yes, walls on the top floor can be load-bearing if stacked on the floor’s foundation.

The process involves initial consultation, concept development, detailed planning, regulatory approvals, and integration of contractor work for project execution.

Yes, water damage can affect your walls' structural integrity. If the water or moisture sits on the walls for an extended period, it can weaken the drywall, plaster, wood framing, and other materials supporting the wall. That's why it's critical to dry out the area as soon as you notice it.

If your home's foundation was damaged due to shifting soil, the same problem will reoccur unless you stabilize the structure by adding posts in the bedrock.

On average, 6 inches of concrete can hold around 150 pounds per square foot, but the exact weight that 6 inches of concrete can hold depends on factors such as the type of concrete, the reinforcement method, soil conditions below, and structural design. If you’re concerned about the longevity of your concrete patio, walkway, or driveway, hire a professional to help you choose an appropriate concrete thickness and reinforcement method for your needs.

The Walnut, CA homeowners’ guide to structural engineering services

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