Siwen Ma
Siwen Ma's California Architect stamp
Watermarked specimen
This downloadable California Architect stamp specimen was generated for Siwen Ma from the public license details in this directory listing, including license number C 41388. The preview is watermarked and does not prove that Siwen Ma approved or sealed a document.
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Siwen Ma holds a Architect license in California. The credential is registered under license number C 41388 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.