Licensed Contractors in Mercer Island, California

Mercer Island has 2 licensed contractors registered with the California Contractors State License Board across 1 trade classifications. 2 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

B: General Building Contractor (2)
Bayley Construction L P Active
License #1027512 B Mercer Island, CA Est. 2017
March-Macdonald Inc Active
License #1147259 B Mercer Island, CA Est. 2025

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