Contractor · San Francisco, San Francisco County

YK Mason & Sons INC

California contractor license · licensed since 2015 (11 years).

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✓ Status CLEAR✓ Checked Oct 27, 2026✓ Facts from CSLB License Master

Photo: Tony Webster · CC BY 2.0

About this record

This page shows what the Contractors State License Board publishes in the License Master about license #1001324. Classifications: B · General Building, D39. Phone is from the CSLB file. We do not recommend or refer. Status can change after our check date; the official CSLB Instant License Check is the source of truth.

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