Atty. Mark Jonathan Horowitz
Mr. Mark Jonathan Horowitz is a lawyer practicing federal taxation, state taxation, international taxation and 2 other areas of law.
Federal Taxation & More Attorney · Serving Houston, TX · 21+ Years Experience
Profile Summary
About Mark Jonathan Horowitz at a Glance
Mark Jonathan Horowitz is a tax and international tax attorney based in Houston, Texas. They have 21+ years of legal experience, licensed to practice since 2005. Admitted to practice in Texas US Tax Court US Court of Federal Claims (2005). Educated at University of Virginia (J.D., 2005) and Harvard University (B.A. History, 2002). Serves clients in Houston, TX and the surrounding metropolitan area.
Get Legal Help from Mark Jonathan Horowitz in Houston
Sign up free and choose one of the two methods below.
Have a legal question? Sign up free, submit it through the Ask the Attorney module and receive a focused answer from a specialist.
- Free to ask a question
- Answers from specialist attorneys
- Optional private / anonymous question
Request an online video meeting or an in-person consultation at the attorney's office. Pick a time that works for you and share the details securely.
- Online video meeting
- In-person at the attorney's office
- Secure messaging and payment
About Mark Jonathan Horowitz
- Mr. Mark Jonathan Horowitz is a lawyer practicing federal taxation, state taxation, international taxation and 2 other areas of law
- Mark received a B.A. degree from Harvard University in 2002, and has been licensed for 21 years
- Mark practices in Houston, TX
Practice Areas Explained
Mark Jonathan Horowitz's Areas of Legal Practice
Each practice area below reflects the types of cases Mark Jonathan Horowitz handles, with a practical overview of what that area of law involves and how it may apply to your situation in Houston.
Tax Law in Houston
Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.
Mark Jonathan Horowitz is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in Texas →
International Tax in Houston
Mark Jonathan Horowitz is one of 1,680 international tax attorneys indexed nationally. Browse international tax attorneys in Texas →
Jurisdictional Context
Why Local Counsel Matters in Houston
Practicing law in Texas. Legal matters in Texas are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Houston are typically filed in the local municipal court or the appropriate Texas state district court, depending on subject matter and amount in controversy. An attorney licensed in Texas brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Texas courts without local counsel or pro hac vice admission.
Houston Courts and Legal Process
Choosing a Houston-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Texas attorneys? Browse all attorneys in Houston or all attorneys in Texas.
Frequently Asked
Common Questions About Mark Jonathan Horowitz
Where is Mark Jonathan Horowitz's law office located?
What practice areas does Mark Jonathan Horowitz handle?
How long has Mark Jonathan Horowitz practiced law?
Where did Mark Jonathan Horowitz go to law school?
How can I contact Mark Jonathan Horowitz for a consultation?
Professional Profile
Why Clients in Houston Choose Mark Jonathan Horowitz
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Mark Jonathan Horowitz's practice in the field of tax and international tax.
Decade-Tested Legal Experience
Mark Jonathan Horowitz brings 21+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering tax and international tax, Mark Jonathan Horowitz can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Houston
A Houston-based practice means Mark Jonathan Horowitz attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues Mark Jonathan Horowitz Handles in Houston
Below is a representative sample of the types of matters Mark Jonathan Horowitz has experience with under Texas law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact Mark Jonathan Horowitz directly to discuss the specifics of your situation.
Search Reference
How People Find Mark Jonathan Horowitz Online
Prospective clients searching for legal help in Houston commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Mark Jonathan Horowitz.
If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Mark Jonathan Horowitz directly.
Mark Jonathan Horowitz's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
Client Reviews & Ratings — Mark Jonathan Horowitz
No reviews yet.
