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Let’s turn your signage vision into

For nearly 40 years, Plumb Signs has designed, fabricated, and installed custom commercial signage throughout Seattle, Tacoma, and Washington State — from pylon and monument signs to ADA and 3D lettering.

We combine design, engineering, and installation expertise to create signage that elevates your brand visibility across Washington businesses, schools, and healthcare facilities.

Industries We Serve

From hospitals to higher education and financial institutions — Plumb Signs delivers signage built for every environment.

Quick Answers from Our Team

We get these questions often — here’s what you should know about working with Plumb Signs.

A woman in business attire sitting at a reception desk talking on the phone, with a large illuminated sign that reads 'Plumb Signs' and features a logo of a letter 'P' with a leaf motif, behind her.
Watercolor illustration of a leafy branch with multiple oval-shaped leaves in shades of green and white.

Our team is ready to guide your next signage project — from idea to installation. Drop us a note and we’ll get back to you quickly.