Licensed General Building (B) contractors in Mercer Island, CA

The California Contractors State License Board (CSLB) lists 2 General Building (B) contractors in Mercer Island, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

2 contractors

1. Bayley Construction L P

   Mercer Island, CA · CSLB #1027512 · as of June 27, 2026
   Active · clear
2. March-macdonald INC

   Mercer Island, CA · CSLB #1147259 · as of June 27, 2026
   Active · clear

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Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.