For Pros: Your Building Envelope Partner

Reliable, skilled, and detail-driven construction partners for professionals who need work done right the first time.

Colorful commercial retail façade featuring custom exterior cladding and building envelope detailing by Synapse Construction in Seattle. — **Commercial retail exterior showcasing Synapse Construction’s precision envelope work, custom cladding installation, and modern façade detailing in Seattle.**

Synapse Construction supports the people who build, manage, and design the Puget Sound’s most demanding projects. Whether you’re a GC keeping schedules tight, an HOA managing long-term durability, or an architect safeguarding design intent, our team seamlessly partners with you to brings clarity, craftsmanship, and envelope expertise to every job. Synapse is your building envelope partner for success.

Synapse Construction Partnership Delivers

Predictable Scheduling

Our process eliminates the variables that slow down projects — miscommunication, unclear scopes, and inconsistent installation methods.

Technical Envelope Expertise

We specialize in what matters most: WRB, flashing, siding systems, deck waterproofing, transitions, and moisture management for PNW climate conditions.

Compliance & Documentation

We support permitting and inspections with clean documentation, photo logs, and manufacturer-aligned installation practices.

Professional Communication

Clear expectations, daily updates when required, and seamless coordination with other trades, design partners, or community members.

Mixed-use commercial building with advanced envelope installation, modern siding systems, and large window assemblies by Synapse Construction in Ballard, WA. — **Mixed-use building featuring Synapse Construction’s envelope craftsmanship, including modern siding systems, large glazing integration, and detailed façade elements in Ballard.**

Featured Projects & Case Studies

See how Synapse delivers durable, inspection-ready exteriors across residential, multi-unit, and design-driven projects. Explore Case Studies and Services:

General Contractors

Reliable envelope subcontracting for schedule-driven builds.
We deliver watertight systems, clean execution, first-try inspection success, and communication that keep your project moving.

View GC Services

HOA Communities & Property Managers

Protect your buildings with long-lasting exterior solutions.
We handle full envelope replacements, leak remediation, siding upgrades, and project communication that keeps residents informed and happy.

View HOA/Property Manager Services

Architects & Design Professionals

High-fidelity envelope execution that safeguards design intent.
Partner with a team that understands detail accuracy, modern assemblies, proper transitions, and aesthetic precision.

View Architect Services

Why Professionals Choose Synapse

Multi-family apartment building with panel siding, brick façade integration, and watertight building envelope installation by Synapse Construction in Seattle. — **Multi-family exterior showing Synapse Construction’s envelope integration across mixed materials—panel siding, brick, and window assemblies—on a Capitol Hill apartment project.**

Building envelope specialists—not generalists
Licensed, bonded, insured
Skilled crews trained in best practices
Reliable coordination with other trades
Zero-defect installation mindset
Safety & compliance at every stage
Clean documentation & communication trail
Depth of experience with complex assemblies

Your project, your clients, and your reputation benefit from envelope work done right.

Ready to Work With a Reliable Building Envelope Partner?

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“I was given the name of Synapse Construction, with a very positive recommendation, from our neighbor’s contractor. Each individual was a pleasure to talk to and work with and the work done was exceptional. I highly recommend Synapse Construction and will definitely hire them, as needed, in the future.”
- Sue M.

“They are knowledgeable, dependable, honest, and effectively communicated throughout the project. They helped guide the project through appropriate detailing and technical challenges while finely crafting a crisp and refined building enclosure. Without hesitation I have the highest recommendation for Synapse Construction.”
- D. Rusler

“I just wanted to express my gratitude for the excellent work Synapse did for my home. The finished product exceeded my expectations. The constant professionalism, attention to detail, overall thoroughness, and willingness to accommodate unusual issues, on the fly, was a sigh of relief. Many companies would have ignored what Synapse proudly and willfully faced head on, and accomplished. I look forward to working with them on the next project! ”
- Ben D.

“Synapse were the only folks we found able to provide the level of quality and specialized expertise necessary for a fairly complicated project. The Synapse team completed the job in a manner that was both professional and efficient. From start to finish, I was impressed with their level of organization. I would strongly recommend Synapse Construction for any exterior or siding project.”
- Samuel R.

“We have received exceptional service and results from Synapse, and have actually used them multiple times. Synapse consistently shows great value and high quality work. There is real project management and continual communication, so we felt clear at every step what was happening. Everything is well documented and they hire quality people. ”
- Dan M.

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