Building Additions & Renovations

Investigation • Repair • Evaluation • Design

Pacific Engineering technologies offers structural and architectural services for additions and renovations on existing buildings. Our experience with repairs to damaged buildings makes us well suited to design additions and renovations. We are prepared for the design complications that can arise from attaching the new structure to existing framing.

Done Right The First Time

Attaching a new structure to an existing structure is a complex process. There are countless problems and complications that can arise. Don't let your budget explode because you didn't hire an experienced engineer to guide you through the process.

Seattle-Based Engineers

Pacific Engineering Technologies primary areas of business include: investigation and repair of damaged buildings, evaluation and design of building envelope systems, and construction defect investigations. We provide structural engineering and building envelope services to clients for commercial, residential, industrial, institutional and historic projects.

Based in Seattle, Washington, we have served our clients over the years in Washington, Oregon, California, Alaska, Idaho, Montana, and Hawaii, but have also performed projects throughout the United States and Canada.

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Why Pacific Engineering Technologies?

We have a 60-plus-year record of developing thorough and effective solutions and providing top-quality services to our clients. Learn more about our company history and meet the team.


Investigative Level Assessment


Expert Witness Testimony


Permitting Services


Construction Phase Services


Structural Engineering Services


Architectural Services