Oswald M Castillo
Oswald M Castillo's California Architect stamp
Watermarked specimen
This downloadable California Architect stamp specimen was generated for Oswald M Castillo from the public license details in this directory listing, including license number C 41461. The preview is watermarked and does not prove that Oswald M Castillo approved or sealed a document.
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Oswald M Castillo holds a Architect license in California. The credential is registered under license number C 41461 and is currently active. It has been on record since 2024. Licensure is issued and verifiable through the California Board for Professional Engineers, Land Surveyors, and Geologists.