Structural & Civil Engineering You Can Build On

Licensed, code-compliant engineering services in Bellevue, WA. From home remodels and additions to commercial projects and site development, we deliver practical designs that work in the real world — not just on paper.

Professional Structural & Civil Engineering Services

From residential remodels to commercial developments, CedarLine Engineering delivers reliable, code-compliant designs backed by real-world construction experience. We focus on clarity, efficiency, and solutions that get approved and built.

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Engineering Experience

WELCOME TO CEDARLINE ENGINEERING

Reliable Structural & Civil Engineering in Bellevue, WA


With years of hands-on experience, CedarLine Engineering provides practical, code-compliant solutions for residential and commercial projects. From remodels and additions to site development and permitting, we design with real-world construction in mind—helping your project move forward smoothly, efficiently, and with confidence.

Morteza Ibrahimi

Founder & Lead Engineer

Our Services

Structural & Civil Engineering Services

We provide practical, code-compliant engineering solutions for residential and commercial projects across Bellevue, WA. From design to permitting, our services are built for real-world construction and smooth project execution.

Structural Engineering

Design, analysis, and support for remodels, additions, retrofits, load-bearing walls, foundations, and retaining walls.

Civil Engineering

Site grading, drainage design, stormwater management, and utility coordination for residential and commercial developments.

Permits & Approvals

Support with building permits, right-of-way permits, and coordination with local jurisdictions to keep your project moving.

Wooden ADU & DADU Design

Engineering solutions for accessory dwelling units, ensuring compliance, efficiency, and buildability.

Structural Inspections & Reports

Pre-purchase inspections, damage assessments, and detailed engineering reports you can rely on.

Construction Support

Site visits, as-built drawings, and field adjustments to ensure your project is executed correctly.

Who we are

Trusted Structural & Civil Engineering You Can Rely On
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Years of Experience
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Projects Completed
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Satisfied Clients
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Fully Code-Compliant

Our Projects

Practical Solutions – Thoughtful Design – Proven Results

At CedarLine Engineering, every project is an opportunity to combine structural integrity, civil precision, and creative problem-solving. From residential remodels and ADUs to commercial site work and drainage improvements, our team delivers designs that are code-compliant, cost-effective, and tailored to each client’s goals.

Client Reviews for CedarLine Engineering in Bellevue, WA

Ready to Start Your Engineering Project?

Get reliable, code-compliant structural and civil engineering solutions for your residential or commercial project. We’re here to help you move forward with confidence.