EM
BAR · 24078905
Emily Ann Mahoney
Emily Ann Mahoney is a lawyer in Oakland, CA who works for Koyama & Costello. Court admissions include Texas Eastern District Court, Texas Northern District Court. Licensed in Texas since 2011. Graduated from Santa Clara University in 2011.
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Law school
Bar admission
Office
Disciplinary
EM
Oakland, CA·14 years licensed
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Emily Ann Mahoney is a lawyer in Oakland, CA who works for Koyama & Costello. Court admissions include Texas Eastern District Court, Texas Northern District Court. Licensed in Texas since 2011. Graduated from Santa Clara University in 2011.
Law school
Santa Clara University
Class of 2011
Bar admission
2011
State Bar of TX
Office
P.O. Box 24508
Oakland, CA
Disciplinary
None on record
Clean since admission
Career history
3 observed firms
Based on State Bar of Texas snapshots — each row is a firm the attorney was registered with at one of our quarterly pulls.
- Law Offices of Melanie D. JohnsonAS OF MAY 2023Private Law Practice · Glendale, CA
- Smith, Koyama & CostelloAS OF APR 2026Private Law Practice · Oakland, CA
- Koyama & CostelloAS OF JUN 2026Private Law Practice · Oakland, CA
Case history
Case history
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