Licensed Contractors in Seaittle, California

Seaittle has 1 licensed contractors registered with the California Contractors State License Board across 2 trade classifications. The most common specialties are Hazardous Substance Removal Certification (1). 1 contractors hold general contractor licenses (Class A or B).

All license data is sourced from the California Contractors State License Board (CSLB). Last data update: February 20, 2026.

Contractors by Classification

General Contractors

A: General Engineering Contractor (1)

Specialty Contractors

Duwamish Services Llc Active
License #1139640 A, HAZ Seaittle, CA Est. 2025

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