
Experienced structural and civil engineers delivering high-quality engineering plans for new homes, ADUs, additions, remodels, load-bearing wall removal, foundation design, and a wide range of residential and commercial projects. Unlimited plan-check revisions within our engineering scope(1) at no extra cost.

ProStruct Engineering is a full-service structural and civil engineering firm dedicated to delivering high-quality, permit-ready engineering plans for homeowners, contractors, architects, and developers.
Our services include structural site inspections, structural calculations, foundation design, load-bearing wall analysis, seismic retrofitting, and complete engineering plans stamped by a licensed Professional Engineer (PE).
Our team provides permit-ready structural and civil engineering plans for residential and commercial construction projects, ensuring compliance with all applicable codes.
Complete structural plans from foundation to roof
Full structural design for new home construction including foundation, floor framing, load-bearing walls, roof structure, and lateral bracing. PE-stamped plans ready for permit submission.
Detached ADUs, garage conversions, JADUs
Specialized engineering for Accessory Dwelling Units—detached, attached, garage conversions, and JADUs. We handle foundation, framing, and all code requirements for ADU projects.
Room additions, second stories, renovations
Structural plans for room additions, second-story additions, bump-outs, and major renovations. We analyze existing structures and design safe connections between old and new construction.
Beam and header calculations for open layouts
Engineering for load-bearing wall removal to create open floor plans. We design steel beams, LVL headers, post locations, and specify all connection hardware for safe load transfer.
New foundations, repairs, seismic upgrades
Design for slab-on-grade, raised foundations, and pier systems. Foundation repair solutions including underpinning, helical piers, and seismic bolting for existing structures.
Grading, drainage, site development
Civil engineering services for site plans, grading plans, drainage design, and stormwater management. We ensure your project meets all local land development and permit requirements.
Concrete, block, and segmental walls
Engineered plans for retaining walls over 4 feet. We design gravity walls, cantilever walls, and segmental systems with proper drainage and footing specifications.
Outdoor structures and elevated decks
Structural engineering for decks, patios, pergolas, and outdoor living spaces. Includes post sizing, beam spans, ledger connections, and foundation requirements.
Tenant improvements, mixed-use, retail
Structural and civil plans for commercial projects including tenant improvements, restaurant build-outs, mezzanines, site work, and retail renovations.
Soft-story retrofits, cripple wall bracing
Earthquake safety upgrades including soft-story retrofits, foundation bolting, cripple wall bracing, and URM building improvements to meet city ordinance requirements.
Pre-purchase, damage assessment, observation
On-site structural and civil inspections for pre-purchase evaluations, damage assessments, grading verification, and construction observation services.
No problem! We work with a network of trusted design partners and licensed architects who can help you design your project from scratch. Once your design plans are ready, we'll handle all the structural and civil engineering seamlessly.
Complete our quick form and schedule a call with a dedicated project manager. Share your project details. If a site visit is required to define the scope, we'll coordinate it. If you don't have design plans yet, we can refer you to trusted architects and designers at no additional cost.
After reviewing your project details, we'll provide a transparent quote the same day—typically within a few hours. Pricing varies based on project scope, complexity, and requirements.
We deliver complete structural permit sets. *If building departments have comments related to our scope, we handle all revisions—no extra fees, no limits.
See why homeowners and industry professionals trust us with their projects.
Built for Speed, Clarity, and Permit Success
Our team brings decades of structural engineering expertise with 3,000+ successfully completed projects across residential and commercial sectors.
Local, competitive pricing with fixed and transparent quotes. No hidden fees or surprise costs — you know exactly what you're paying upfront.
All our engineers hold Professional Engineer (PE) licenses. We're fully insured, giving you peace of mind for your project.
Most projects delivered in 2-3 weeks. We're proactive and responsive, keeping your project moving forward without delays.
If building departments have comments related to our scope of work, we'll revise plans at no extra charge—no matter how many rounds it takes. We stand by our work until your permit is approved.
Every project includes a dedicated project manager at no additional cost. They act as your single point of contact, coordinating with our engineers and collaborating with third-party professionals to ensure a seamless project experience.
A structural engineer designs and analyzes the structural components of buildings to ensure they can safely support loads and withstand forces like earthquakes, wind, and gravity. We create detailed structural plans and calculations required for building permit approval.
A civil engineer focuses on site development, grading, drainage, and infrastructure design. Civil engineering services include site plans, grading plans, stormwater management, utility layouts, and ensuring compliance with local land development regulations.
Engineering costs vary based on project scope and complexity. Every project is unique, so we provide customized quotes based on your specific requirements. Contact us for a free, no-obligation quote—we typically respond within 24 hours.
You typically need a structural engineer for load-bearing modifications, additions, foundations, or structural changes. Civil engineering is often required for site work, grading, drainage, and land development. Many projects require both disciplines for complete permit approval.
Most residential structural and civil engineering projects are completed within 2-3 weeks. Simple projects may be faster, while complex custom homes or site development may take 2-5 weeks. We pride ourselves on quick turnaround times.
Our structural plans include foundation plans, framing plans, structural details, and calculations. Civil engineering plans include site plans, grading plans, and drainage details. All plans are PE-stamped and formatted for permit submission.
Yes, we provide structural and civil site inspections for pre-purchase evaluations, construction observation, foundation assessments, grading verification, and seismic retrofitting evaluations. Contact us to schedule an inspection.
We're licensed to provide structural and civil engineering services in 11 states: California, Oregon, Washington, Colorado, Arizona, Texas, Nevada, Utah, Georgia, Idaho, and New Mexico. Many services can be provided remotely with local site visits when needed.
Yes. The permit guarantee is limited to responding to plan-check comments within our scope of work until the City/Building Department issues the permit, and excludes any delays, revisions, or denials resulting from land ownership disputes, existing unpermitted construction, architectural, MEP, or zoning deficiencies, inaccurate or incomplete client-provided information, major design changes after delivery, city delays beyond our control or project suspension by the client. See our full Permit Guarantee page for details.

Get a free, no-obligation quote within 24 hours. Our experienced structural and civil engineers are ready to help with your residential or commercial project.
Trusted by 3,000+ homeowners and AEC professionals • Licensed in 11 states • 35+ years experience