Atty. Jon Mercer Osborn

Atty. Jon Mercer Osborn

Jon Mercer Osborn is a lawyer practicing tax, estate planning, probate and 1 other area of law. Jon received a degree from San Diego State University, San Diego CA, and has been licensed for 19 years.

La Mesa La Mesa 19 yrs experience 19 year
Call (619) 639-3336 Book Appointment

Profile Summary

About Jon Mercer Osborn at a glance

Jon Mercer Osborn is a probate, estate planning, and tax attorney based in La Mesa, California. They have 19+ years of legal experience, licensed to practice since 2007. Admitted to practice in California (2007) and North Dakota (Inactive) (2008). Educated at San Diego State University, San Diego CA California Western School of Law, San Diego CA (—). Serands clients in La Mesa, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Jon Mercer Osborn is a lawyer practicing tax, estate planning, probate and 1 other area of law
  • Jon received a degree from San Diego State University, San Diego CA, and has been licensed for 19 years
  • Jon practices in La Mesa, CA

Practice Areas Explained

Jon Mercer Osborn's Areas of Practice

Each practice area below reflects the types of cases Jon Mercer Osborn handles, with a brief overview of what that area of law covers.

Probate

Jon Mercer Osborn is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in California →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

Jon Mercer Osborn is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in California →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Jon Mercer Osborn is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in California →

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 La Mesa 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 La Mesa or all attorneys in California.

Frequently Asked

Common questions about Jon Mercer Osborn

Where is Jon Mercer Osborn's law office located?
Jon Mercer Osborn's law practice is located in La Mesa, California. You can contact the office directly through this profile page.
What practice areas does Jon Mercer Osborn handle?
Jon Mercer Osborn focuses on probate, estate planning, tax. Each practice area listed reflects experience handling cases of that type in California.
How long has Jon Mercer Osborn practiced law?
Jon Mercer Osborn has 19+ years of legal experience and has been licensed since 2007.
Where did Jon Mercer Osborn go to law school?
Jon Mercer Osborn earned their education at (—).
How can I contact Jon Mercer Osborn for a consultation?
You can contact Jon Mercer Osborn 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

San Diego State University, San Diego CA California Western School of Law, San Diego CA
- In Progress

Bar Admissions

California
Admitted: 2007
North Dakota (Inactive)
Admitted: 2008

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