RY
Richard Yahn
Santa Rosa, CA
Civil Engineer
Verified Active
Professional stamp
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About
Richard Yahn is a Civil Engineer licensed to practice in California. The credential is registered under license number 31022 and is currently active. It has been on record since 1979. Licensure is issued and verifiable through the California Board for Professional Engineers, Land Surveyors, and Geologists.
License Verification
License #
31022
Status
Active
State
CA
Expires
Mar 31, 2028
Board
California Board for Professional Engineers, Land Surveyors, and Geologists