Structural Engineering · Irvine, CA
Strong Structures.
Clear Direction.
Structural engineering for the places you build, improve, and rely on. From the first question to permit assistance and construction support.

Our Expertise
The Right Support.
For Your Next Project.
A focused range of structural services for owners, contractors, and project teams. Practical guidance at every stage.
Residential Structures
Structural engineering for new homes, additions, and remodels.
Explore serviceCommercial Structures
Structural design and evaluation for commercial projects.
Explore serviceOutdoor Structures
Engineering for retaining walls, pergolas, and playground structures.
Explore serviceStructural Evaluations
Assessments of existing structures, including post-fire conditions.
Explore servicePermit Application Assistance
Help with structural submittals and plan-check responses.
Explore serviceConstruction-Phase Support
Structural guidance as your project moves from plans to the field.
Explore serviceBased in Irvine and established in 2016, DEYI Consultants helps clients move forward with structural engineering grounded in their project’s needs.
How We Work
A Clear Path Forward.
Consultation
Start with a free 15–30 minute phone consultation. Share your project location, goals, and any existing plans or photos.
Scope & Proposal
We review the available information and discuss the engineering scope, required inputs, fees, and anticipated schedule.
Structural Engineering
We prepare the structural plans, calculations, or evaluation identified in your proposal and coordinate with your project team.
Permit Assistance
When included in the scope, we assist with the permit application and address structural plan-check comments. Review timing and approval are determined by the local authority.
A Little Clarity
Before We Get Started.
A few answers to help you take the next step.
Have another question?What Kinds Of Services Does DEYI Provide?
We provide structural engineering and related services for residential, commercial, and outdoor structures, along with structural evaluations, permit application assistance, and construction-phase structural support.
Can You Help With A Permit Application?
Yes. We can assist with permit applications for the structural scope, prepare structural engineering documents, and respond to structural plan-check comments. The local permitting authority determines approval and review timing.
What Should I Have Ready For Our First Call?
Your project address or city, a short description of the proposed work, and your target schedule are a good starting point. Let us know if you have existing plans, site photos, or plan-check comments available.
How Much Will The Engineering Cost?
Fees depend on the project scope, complexity, existing conditions, and required deliverables. The initial phone consultation is free, and we discuss the proposed scope and fee before starting engineering work.
Let’s Talk About Your Project
A Clear Next Step.
A Stronger Foundation.
Tell us what you’re planning. We’ll help identify the structural support you need.
