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Upper Marlboro Defense Attorneys

At Haskell & Zimmerman, our Attorneys are well versed throughout our Law Practice. Click on our practice areas to learn more.

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Criminal Defense

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Civil Litigation

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Divorce & Family Law

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Personal Injury

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Estate Planning

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Business Law

Casos penales

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Need a powerful Criminal Defense? Jonathan L. Haskell, ESQ. has a strong reputation at helping our local citizens with their cases.


Haskell & Zimmerman Attorneys

Haskell & Zimmerman is a four-attorney general practice law firm with offices in both Upper Marlboro and Prince Frederick, Maryland. We provide quality legal services in many different practice areas, including criminal defense, estate planning and personal injury litigation. In all cases, we customize our services to fit the needs of our clients, providing straightforward legal advice that speaks to their unique circumstances.

Our practice is dedicated to doing what is best for our clients. We don’t rush cases into settlements, and we don’t take chances when seeking a result. We examine each situation carefully to determine the best course of action. If a settlement is in your best interest, we will negotiate strenuously on your behalf. If we find that you will be best served by taking your case to trial, we will aggressively advocate your position before a Judge or jury.

Our Attorneys

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William Z. Haskell

Attorney at Law

Attorney Bill Haskell is an experienced litigator. He represents our clients in civil litigation, personal injury, wrongful death and divorces.

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Jonathan L. Haskell

Attorney at Law

Attorney Jonathan L. Haskell represents our clients in civil, criminal, personal injury, wrongful death and domestic litigation.

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Don M. Zimmerman

Attorney at Law

A former CPA, attorney Don Zimmerman applies his accounting knowledge to probate, estate planning and real property cases.

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Legal Representation in All Types of Cases

Our lawyers will also represent you in civil litigation cases such as divorce, child and spouse maintenance.

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AV preeminent lawyer

We specialize in following Estate Planning & Probate matters:

To contact our law office, please fill out our online form or call (301) 627-5844. We serve clients in Upper Marlboro, Prince Frederick, Leonardtown and all across Maryland.