New York attorney · Reg. #1678184
William Peter Mahon
Registered (registry: Currently registered)
Current employer
Chester County Justice Center · West Chester, PA · since at least September 2026
Admission
Admitted 1980, Second Department · UNIVERSITY OF DAYTON
Employment history
- Chester County Justice Center · West Chester, PA · current
Compiled from NYS Office of Court Administration registration records, published NY Appellate Division decisions, and SEC orders against attorneys; current as of October 2026. Not an official record; verify with the NY Courts Attorney Search.