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Best structural engineers near Riverside, CA

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TRUSTED BY RIVERSIDE, CA HOMEOWNERS

  • Average homeowner rating star icon4.2
    Average homeowner rating
  • Verified reviews icon28
    Verified structural engineering services reviews

Top-Rated Structural engineers in Riverside - Updated Nov 2026

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

Serving Riverside, CA and surrounding areas

Approved (Corporate)

In business since 1992

Free estimates

Emergency services offered

"Erinn was my initial contact and he gave a very through and fair estimate. We had structural work done to support floor joists and large beams under the garage that needed replacing. Ernesto and his team, Julio, Salvatore and Gilder worked tirelessly to complete the work and were respectful, punctual, informative and good humoured throughout the entire process. I would not hesitate to use them again or recommend them to others. A really great company!!"
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%
10 neighbors recently requested a quote
Avatar for Alpha Omega
Alpha Omega
4.0(
116
)
Engineer - Structural

Serving Riverside, CA and surrounding areas

Approved

In business since 2003

Free estimates

Small jobs welcome

"Structural Engineer Ehab contacted me about my residential property inquiry. He had already reviewed my property and the general situation I was inquiring about when I called him back. We spoke to me about his concerns with the project and answered all my questions over the phone. He was excellent to work with. Professional & Knowledgeable. Would highly recommend reaching out for technical issues concerning residential engineering. The reason he wasn't hired was that he provided feedback that dissuaded us from taking on a costly project that would not have achieved our stated goals. I will definitely reach out to Ehab in the future prior to beginning any major residential addition or remodel."
Plot Plan for Auto Dealer
Auto Body Shop
Response time10 hrs
Response rate86%
59 neighbors recently requested a quote
Avatar for Pac Sands Corp
Pac Sands Corp
5.0(
7
)
ArchitectDraftsperson/CADD

Serving Riverside, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Free estimates

Credit card accepted

"We did a full remodel of our place, full new kitchen, and expanded our place into the backyard for a new master suite. Pac Sands did a really great job with our designs. Great tools that made the communication easy with the plans and changes we needed. And they handled the engineering and permitting too, which was great. Highly recommend."
6-Plex Aerial view
6-Plex Render
Carlsbad 6-Plex Axo
Response time2 days
180 neighbors recently requested a quote
Avatar for Drafting Design Services
Drafting Design Services
4.8(
18
)
Draftsperson/CADD

Serving Riverside, 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
3 neighbors recently requested a quote
Recommended by70%of homeowners
Avatar for Allenbach Architecture
Allenbach Architecture
3.5(
7
)
Architect - For Business

Serving Riverside, CA and surrounding areas

Approved

In business since 1997

Free estimates

Customers say: Quality work

Allenbach Architecture (AA) is your full service company providing everything from programming, land planning, design, construction documents thru construction administration.\nAA has been in business for over 25 years and has a combined total of 76 years experience between its employees. \nAA Is fully licensed and is LEED-AP accredited, for all your green requirements and needs. \nAA provides residential as well as commercial, medical and industrial expertise for any and all of your projects. \nWe offer the very best pricing, superior workmanship and our customer service is second to none. \nSee our web site www.allenbacharchs.com for photographs of both residential and commercial projects.\nYou might find less expensive but you will not find better; particularly in our designing and construction document capabilities.\nCall us now!

 Custom Kitchen
 Back Yard
 Kitchen
 After View of Remodel
 Custom Garage for a Gear Head buddy

+5

Response time1 day
Response rate100%
Recommended by100%of homeowners
Avatar for Michael Lancy Architect, Inc.
Michael Lancy Architect, Inc.
5.0(
4
)
Draftsperson/CADDArchitectArchitect - For Business

Serving Riverside, CA and surrounding areas

Approved

In business since 1999

Small jobs welcome

Offers commercial services

Our company welcomes you to experience a tradition of customer satisfaction that will exceed your greatest expectations. Our professionalism and quality craftsmanship will accurately reflect your tasks and lifestyle. We are known for our prompt service and superior attention to detail. You can count on us to get the job done right the first time. We will meet with you at your convenience and will not keep you waiting. Call us today for your free estimate. You'll be pleased you did. Thank you

San Dimas ADU
San Dimas ADU
San Dimas ADU
San Dimas ADU
San Dimas ADU

+12

Response time2 days
Response rate100%
3 neighbors recently requested a quote
Avatar for Hedgemon Planning & Development
Hedgemon Planning & Development
4.2(
5
)
Architect

Serving Riverside, CA and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

We are a reputable planning and development company that can take a project from start to completion. We take pride in our ability to exceed expectations in all aspects of business. We look forward to building long-term relationships with our clients.

Projects
Recommended by80%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.

In many areas, advice from a structural engineer or an architect will be required by your building department before you can remove a wall, but even if it’s not necessary, it’s a good idea. Accidentally removing a load-bearing wall—even if a general contractor advises that it’s safe—can cause major structural damage, putting you and your family at risk and potentially costing thousands or tens of thousands of dollars in property damage.

The process of hiring a structural engineer starts by finding reliable professionals in your area and comparing quotes from at least three of them. From there, you can narrow down your selection by asking some leading questions:

  • Do you have experience working in my specific area?

  • Do you have professional indemnity insurance?

  • What will your structural report cover?

  • Do you charge a flat fee for a structural report or by the hour?

  • How long have you been in business?

  • Do you have a list of customer references?

No, it’s not legal for unlicensed individuals to conduct structural calculations for buildings or building repairs. Not only do licensing requirements prevent DIYers from tackling this project, but mistakes can also be extremely dangerous and put your property and anyone inside or near it at risk of severe injury or even death. You should always hire a licensed and certified local structural engineer to make structural calculations.

Yes, all states require structural engineers to carry the proper license, with specifics determined by each state. You can use Angi’s state licensing tool to confirm that the structural engineer you’re considering holds the required licensing to tackle your job. Hiring an unlicensed structural engineer will not only cause issues with permits but it could also lead to an unsafe building. The cost of a professional, licensed, and experienced engineer is well worth the investment.

The Riverside, CA homeowners’ guide to structural engineering services

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