Atty. Justin Mark Yonowitz

Atty. Justin Mark Yonowitz

Justin Mark Yonowitz is a lawyer practicing estate planning, tax, family and 1 other area of law. Justin has been licensed for 12 years.

Washington Washington 12 yrs experience 12 year
Call (443) 909-5145 Book Appointment

Estate Planning & More Attorney · Serving Washington, DC · 12+ Years Experience

Profile Summary

About Justin Mark Yonowitz at a Glance

Justin Mark Yonowitz is a family law, estate planning, and tax attorney based in Washington, District of Columbia. They have 12+ years of legal experience, licensed to practice since 2014. Admitted to practice in Maryland (2014) and District of Columbia (2021). Serves clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Justin Mark Yonowitz

  • Justin Mark Yonowitz is a lawyer practicing estate planning, tax, family and 1 other area of law
  • Justin has been licensed for 12 years
  • Justin practices in Washington, DC

Practice Areas Explained

Justin Mark Yonowitz's Areas of Legal Practice

Each practice area below reflects the types of cases Justin Mark Yonowitz handles, with a practical overview of what that area of law involves and how it may apply to your situation in Washington.

Family Law in Washington

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Justin Mark Yonowitz is one of 185,688 family law attorneys indexed nationally. Browse family law attorneys in District of Columbia →

Estate Planning & Probate in Washington

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

Justin Mark Yonowitz is one of 224,789 estate planning attorneys indexed nationally. Browse estate planning attorneys in District of Columbia →

Tax Law in Washington

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

Justin Mark Yonowitz is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in District of Columbia →

Jurisdictional Context

Why Local Counsel Matters in Washington

Practicing law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia 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 District of Columbia courts without local counsel or pro hac vice admission.

Washington Courts and Legal Process

Choosing a Washington-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 District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common Questions About Justin Mark Yonowitz

Where is Justin Mark Yonowitz's law office located?
Justin Mark Yonowitz's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
What practice areas does Justin Mark Yonowitz handle?
Justin Mark Yonowitz focuses on family law, estate planning, tax. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Justin Mark Yonowitz practiced law?
Justin Mark Yonowitz has 12+ years of legal experience and has been licensed since 2014.
How can I contact Justin Mark Yonowitz for a consultation?
You can contact Justin Mark Yonowitz 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.

Professional Profile

Why Clients in Washington Choose Justin Mark Yonowitz

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 Justin Mark Yonowitz's practice in the field of family law, estate planning, and tax.

Decade-Tested Legal Experience

Justin Mark Yonowitz brings 12+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in Maryland and District of Columbia, Justin Mark Yonowitz can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering family law, estate planning, and tax, Justin Mark Yonowitz can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Washington

A Washington-based practice means Justin Mark Yonowitz 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 Justin Mark Yonowitz Handles in Washington

Below is a representative sample of the types of matters Justin Mark Yonowitz has experience with under District of Columbia law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Divorce and property division
Family Law
Child custody and support
Family Law
Spousal support (alimony)
Family Law
Prenuptial agreements
Family Law
Last wills and testaments
Estate Planning
Revocable living trusts
Estate Planning
Powers of attorney
Estate Planning
Probate proceedings
Estate Planning
IRS audit representation
Tax
Tax lien and levy defense
Tax
Offer in compromise
Tax
Business tax planning
Tax

This list is illustrative, not exhaustive. Contact Justin Mark Yonowitz directly to discuss the specifics of your situation.

Search Reference

How People Find Justin Mark Yonowitz Online

Prospective clients searching for legal help in Washington 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 Justin Mark Yonowitz.

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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 Justin Mark Yonowitz directly.

Justin Mark Yonowitz's Practice Areas & Specializations

Bar Admissions & Licensed Jurisdictions

Maryland
Admitted: 2014
District of Columbia
Admitted: 2021

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