John O'brien
John O'brien's California Civil Engineer stamp
Watermarked specimen
This downloadable California Civil Engineer stamp specimen was generated for John O'brien from the public license details in this directory listing, including license number 87691. The preview is watermarked and does not prove that John O'brien approved or sealed a document.
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John O'brien is a Civil Engineer licensed to practice in California. The credential is registered under license number 87691 and is currently active. It has been on record since 2017. Licensure is issued and verifiable through the California Board for Professional Engineers, Land Surveyors, and Geologists.