Business Details
33 Years
experience
Trusted Structural Engineering Services in Seattle
CSES Engineering is a dedicated structural engineering firm specializing in residential and commercial construction projects. With over 25 years of experience, we prioritize cost-effective and timely structural designs tailored to client needs. Our team, led by John S. Apolis, P.E., S.E., ensures every project receives personalized attention, leveraging optimized workflows to minimize costs and expedite delivery. We serve homeowners and businesses across Seattle, offering expertise in new builds, remodels, and structural repairs.Our commitment to transparency and quality has earned us consistent client satisfaction, with designs that balance innovation and practicality. By avoiding traditional overhead costs, we deliver competitive pricing without compromising on precision or reliability. Our team includes seasoned professionals like Giri Devaraju, whose international experience enhances our commercial and multifamily residential capabilities, and Evan Apolis, a UW-trained associate engineer contributing to our growing portfolio.
Services
Residential Structural Design
Home Remodel Engineering
Commercial Building Design
Foundation Upgrades
Structural Repairs
Details
- Year established: 1993
Highlights and features
- 25+ years of structural engineering experience
- Cost-effective designs due to low overhead
- Senior engineers handle all projects directly
- Fast turnaround times with optimized workflows
- Expertise in residential, commercial, and multifamily projects
What people say
Reasonable rates
Very good turnaround
Personable and professional
Met completion dates
Flexible communication
Services
Residential Structural Design
We specialize in structural designs for new residential constructions and major renovations. Our expertise includes wood-framed homes, second-story additions, and dormer modifications. By focusing on cost-efficient engineering solutions, we ensure homeowners receive precise, code-compliant plans that align with construction budgets while maintaining structural integrity.
Commercial Building Design
Our commercial engineering services cover new constructions and tenant improvements for small to medium-sized buildings. We provide comprehensive structural systems tailored to project scale, including foundation design and load-bearing specifications. Our streamlined approach ensures timely delivery of practical designs that meet commercial building codes and client financial objectives.
Structural Repairs
We assess and engineer solutions for structural damage, foundation issues, and seismic retrofits. Our services include diagnosing dry rot, reinforcing concrete elements, and designing earthquake-resistant systems. Clients receive detailed repair plans that prioritize safety while minimizing disruption to existing structures, supported by our team's extensive field experience.
Permit Documentation
We prepare engineering documentation required for building permits, ensuring compliance with local regulations. Our services include structural calculations, foundation plans, and framing details. With deep familiarity with Seattle's permitting process, we streamline approvals through accurate submissions that address jurisdictional requirements efficiently.
Insurance Consultation
We assist homeowners and insurers with structural assessments for insurance settlements. Our services include evaluating damage extent, providing repair cost estimates, and preparing engineering reports. By delivering clear technical analysis, we help clients resolve disputes and ensure repair work meets structural safety standards.
People
John S. Apolis
Principal Engineer
Licensed Professional Engineer with 25+ years of experience in structural design for residential and commercial projects. Specializes in cost-effective solutions and permit documentation.
Giri Devaraju
Engineer
Experienced in commercial and multifamily residential projects, bringing international expertise from India to Seattle's construction market. Focuses on structural optimization and code compliance.
Evan Apolis
Associate Engineer
Recent UW Civil Engineering graduate contributing to design projects with attention to detail and growing technical expertise in structural analysis and documentation.
Sasha
Receptionist
Manages client interactions and site visits while maintaining office operations. Known for balancing professionalism with a friendly workplace presence.
Questions
What types of projects does CSES Engineering handle?
We specialize in residential structural design, commercial building projects, foundation upgrades, and structural repair engineering across Seattle.
How does CSES ensure cost-effective designs?
Our lean operations reduce overhead costs, and senior engineers directly manage projects to avoid inefficiencies from junior staff assignments.
Can you assist with building permit requirements?
Yes, we prepare full structural documentation for permits, including calculations and code-compliant plans tailored to Seattle regulations.
What experience does the team have?
John Apolis has 25+ years in structural engineering, supported by Giri Devaraju's commercial expertise and Evan Apolis's technical skills.
Do you work on emergency structural repairs?
We focus on planned projects but can assess urgent issues during standard business hours for non-catastrophic situations.
