Callan Yu
Callan Yu's California Civil Engineer stamp
Watermarked specimen
This downloadable California Civil Engineer stamp specimen was generated for Callan Yu from the public license details in this directory listing, including license number 77899. The preview is watermarked and does not prove that Callan Yu approved or sealed a document.
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Callan Yu is a Civil Engineer licensed to practice in California. The credential is registered under license number 77899 and is currently active. It has been on record since 2011. Licensure is issued and verifiable through the California Board for Professional Engineers, Land Surveyors, and Geologists.