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 damaged building repairs 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.


In Depth Experience

We have a depth of experience repairing damaged building. That experience makes us uniquely qualified to handle additions.

Design Complications

When adding additions to an existing structure expect complications. You need an engineering company that is prepared.

Structural & Architectural

We offer both structural and architectural services to our clients. This allows us to handle a wider array of renovation projects.

Done Right The First Time

For obvious reasons, 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.

Get Started

Why Pacific Engineering Technologies?

We have an outstanding record of developing thorough and effective solutions and providing top quality services to our clients for more than 60 years. Learn more about our Company History and Meet The Team.


Investigative Level Assesment


Expert Witness Testimony


Permitting Services


Construction Phase Services


Structural Engineering Services


Architectural Services

Contact Us


2150 N. 107th Street, Suite 320
Seattle, WA 98133-9009