Buildable Design

   Seattle      Chicago   

See below

Innovative. Value-driven. Buildable.

We're an award-winning structural engineering firm

with a focus on major urban projects – multifamily residential buildings, office buildings, hotels, retail facilities, parking structures, and more. 

Our passion for innovation and new technology,

combined with our extensive experience, consistently inspires cutting edge structural designs that lead the industry. Our designs also reflect a keen understanding of the most efficient construction techniques, which makes them buildable and cost-effective.

SEAOI Selects Circa as Best Project!

1721 Webster completed in Oakland, california 

introducing The Bellevue- a prestigious 4 tower development

2016 telegraph is complete

1000 VIRGINIA rises... 

harbor point p6 is complete 

Ovation office frame and concrete is complete

1900 broadway under construction

CKC in the news

In the News

ACi President Memo - improving constructability

In the News

ACI Global impact report 2021

In the News

signature tower features low-carbon portland limestone cement

In the News

aci international Update: New initiatives for advancing the concrete industry

In the News

The Clayton members club and hotel wins ENR Mountain states best project award

In the News

cary kopczynski to be
keynote speaker in Dubai

In the News

this is concrete - circa newsletter


For over 30 years, Cary Kopczynski & Company has provided structural engineering excellence for major projects throughout the United States and beyond.

Read More

Structural Engineering

Integrated Project Delivery

Parking consulting

seismic engineering

Wind Engineering

Sustainable Design

Research & Development

Peer Reviews

Seismic Retrofitting

Award Winners

Construction Cost Estimating

Historical preservation

expert legal witness

Performance-Based Design

Website Design