Atty. William Ethan McCallum

Atty. William Ethan McCallum

William Ethan McCallum is a lawyer. William has been licensed for 6 years.

San Mateo San Mateo 6 yrs experience 6 year
Call (650) 549-9105 Book Appointment

Profile Summary

About William Ethan McCallum at a glance

William Ethan McCallum is an attorney based in San Mateo, California. They have 6+ years of legal experience, licensed to practice since 2020. Admitted to practice in California (2020). Educated at Santa Clara University School of Law (JD, 2018). Serands clients in San Mateo, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William Ethan McCallum is a lawyer
  • William has been licensed for 6 years
  • William practices in San Mateo, CA

Jurisdictional Context

Why local counsel matters in California

Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in San Mateo are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in California courts without local counsel or pro hac vice admission.

Looking for additional California attorneys? Browse all attorneys in San Mateo or all attorneys in California.

Frequently Asked

Common questions about William Ethan McCallum

Where is William Ethan McCallum's law office located?
William Ethan McCallum's law practice is located in San Mateo, California. You can contact the office directly through this profile page.
How long has William Ethan McCallum practiced law?
William Ethan McCallum has 6+ years of legal experience and has been licensed since 2020.
Where did William Ethan McCallum go to law school?
William Ethan McCallum earned their education at (JD, 2018).
How can I contact William Ethan McCallum for a consultation?
You can contact William Ethan McCallum directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

JD
Santa Clara University School of Law
- 2018

Bar Admissions

California
Admitted: 2020

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