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Find Engineer structural pros in Costa Mesa

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

Serving Costa Mesa, CA and surrounding areas

Approved (Corporate)

In business since 1992

Free estimates

Emergency services offered

"Excellent experience again with Alpha Structural. Charlie Rosenkranz came to see the 3-story apartment building in West Hollywood. We discussed what the soft story retrofit plans will likely include. He's knowledgeable and experienced. We appreciated his professional no-pressure approach and answering our questions. Alpha performed an exploratory investigation of the support structure, as architectural plans were not available. They engineered the plans with city approval. They then consulted with us and provided the approved THP (Tenant Habitability Plan) paperwork. Production Manager Dave Schlaich and Job Supervisor Seth Price met me before construction. Dave went over the approved plans and explained the work that would be performed, and the purpose. They both answered all my questions. Lawrence and Antonio were the main work team. They were very pleasant and answered all our questions. Both had great explanations with Lawrence being very detailed. Seth provided timely progress reports by phone and text. He answered all questions, and provided contacts for automatic shut-off gas valves and stucco work. Despite Covid-19, they scheduled and passed inspections, and completed the work in under a month. We've seen projects by other companies stuck in limbo for months with no progress, so we chose Alpha to avoid complications. They removed all debris, and left the property clean. The tenants and neighbors had no complaints. Daniel Aparicio also explained various issues. Communication with everyone, including the office staff, was excellent. We're very pleased with this experience."
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 rate96%
21 neighbors recently requested a quote
New Beginning Engineering
4.3(
21
)

Serving Costa Mesa, CA and surrounding areas

Approved

In business since 2005

Free estimates

Credit card accepted

"GS ArcDesign has had the privilege of working with New Beginning Engineering for many years, successfully completing over 15 projects together, with more projects currently in progress. Throughout this collaboration, I have consistently experienced the highest level of professionalism, reliability, and technical expertise from their team. Their services—including structural design, structural calculations, energy compliance (Title-24), and MEP engineering—have been integral to both residential and commercial projects, particularly those involving legalization and permitting. Each project has been handled with thoroughness, precision, and a commitment to excellence. As an architectural firm, we rely heavily on engineering partners who are not only skilled but also dependable and trustworthy. New Beginning Engineering has consistently met and exceeded those expectations, making them one of our most valued collaborators. I hold a very positive impression of New Beginning Engineering and confidently recommend their services to anyone seeking competent, reliable, and professional engineering support."
19 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for K & K Engineering
K & K Engineering
5.0(
13
)

Serving Costa Mesa, CA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"The best structural engineer that i ever worked with they saved me thousands of dollars in construction. Been working with them for a few years now and highly recommend them to everyone."
Response time10 hrs
Response rate98%
2 neighbors recently requested a quote
Avatar for Nick Engineering, Inc.
Nick Engineering, Inc.
5.0(
21
)

Serving Costa Mesa, CA and surrounding areas

Approved

In business since 2013

Customers say: True professional

"I recently engaged Nick Engineering for a kitchen remodeling, and I must say, their structural engineering work was exceptional. Their design not only gave our house a stunning makeover but also made sure it is built to last. The teams professionalism, responsiveness, and commitment to meeting our expectations made the entire project a breeze. I highly recommend Sam and his team for anyone in need of outstanding structural engineering services for their home renovation projects"
Exterior before demolition
Exterior framing
Exterior completed
Exterior completed
Exterior view

+26

Response time9 hrs
Recommended by88%of homeowners
Avatar for RCS Engineering Services
RCS Engineering Services
5.0(
3
)

Serving Costa Mesa, 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 VC Architecture & Design
VC Architecture & Design
5.0(
6
)

Serving Costa Mesa, CA and surrounding areas

Approved

Free estimates

Small jobs welcome

Customers say: Quick response

"Raj is an exceptional engineer with a world view centered on value and helping people. He help me through a tough problem with a roof structure issue quickly and efficiently."
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for AAA Engineering Design
AAA Engineering Design
4.1(
9
)

Serving Costa Mesa, 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

19 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for Alpha Omega
Alpha Omega
4.0(
116
)

Serving Costa Mesa, 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%
67 neighbors recently requested a quote
Avatar for Harsini, Inc.
Harsini, Inc.
5.0(
7
)

Serving Costa Mesa, CA and surrounding areas

Approved

In business since 2019

Offers commercial services

Customers say: Quick response

"Very knowledgeable. Iâ ve dealt with a lot of Structural Engineers. His ability to relate complex situations into easy to understand explanations clearly shows how knowledgeable he is. His background in construction adds a constructability component that is unmatched. Highly recommended. ."
Response time4 hrs
3 neighbors recently requested a quote
Recommended by100%of homeowners
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Showing 1-10 of 63
FAQs for engineer structural projects in Costa Mesa, 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 Costa Mesa, CA homeowners’ guide to engineer structurals

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