Custom Sign Fabrication — Precision Built in the Pacific Northwest
From intricate architectural elements to large-scale illuminated structures, every sign we fabricate is engineered for performance, safety, and style. As a UL-listed fabricator based in Tacoma, we combine craftsmanship with technology to deliver signage that lasts — wherever your brand goes.
Expert Sign Fabrication & Prototyping for Any Environment
From retail storefronts to civic landmarks, our in-house fabrication and prototyping team brings decades of experience to every project. We engineer, prototype, and produce signage that meets UL, ADA, and national safety standards — ensuring precision, consistency, and reliability across every build.
See How We BuildOur Fabrication & Prototyping Capabilities
Advanced Metalwork
Custom fabrication in aluminum, steel, and hybrid composites for strength, longevity, and corrosion resistance.
Certified Welding & Framing
Structurally sound internal frameworks built for demanding conditions and safety compliance.
Prototyping & Model Development
Digital and physical prototypes, scale models, and 3D-printed components to validate designs before production.
Custom Finishes & Detailing
Automotive-grade coatings, CNC-routed elements, and hand finishes that elevate every brand.
Integrated Lighting Systems
Complete in-house LED integration and power routing — all UL certified and performance-tested.
Craft Meets Technology
Combining digital precision with artisan expertise for beautiful, performance-driven signage.
3D Visualization & Concept Development
Before fabrication begins, our 3D visualization and prototyping tools let clients preview designs through realistic renderings or scale mockups — ensuring every detail is refined before production.
Engineered for Complex Environments
We engineer signage systems for hospitals, universities, and civic developments — combining concept drawings, material samples, and lighting prototypes to ensure durability and code compliance.
- • Concept drawings & 3D mockups
- • Material samples and lighting prototypes
- • Environmental and regulatory insights
- • UL and ADA-certified fabrication standards
Integrated Design–Build–Prototype Workflow
Fabrication isn’t an isolated step — it’s part of a seamless design–build–prototype collaboration. Our fabricators work directly with designers, project managers, and installers to ensure every sign meets brand, code, and performance standards.
- ✅ Reduces rework and accelerates timelines
- ✅ Ensures UL & ADA compliance
- ✅ Aligns fabrication with brand design
- ✅ Enables real-world testing through rapid prototyping
Frequently Asked Questions
Being UL-listed means our electrical and illuminated signs meet nationally recognized safety and performance standards. Every sign we build — from LED channel letters to architectural lighting — is tested for safety, efficiency, and reliability.
Yes. We offer digital and physical prototyping as part of our design–build process, allowing clients to test materials, lighting, and design elements before production.
Absolutely. Our infrastructure and project management systems support national programs while maintaining brand integrity and consistency across every location.
Yes — our installation division manages everything from local permitting to nationwide sign deployment, ensuring quality, safety, and continuity at every stage.
Ready to Build Your Next Signage Project?
Partner with Plumb Signs for precision fabrication, UL-listed quality, and seamless design-to-installation collaboration. Let’s bring your vision to life — engineered, tested, and built to perform.
Start Your ProjectHave a project in mind?