Mary A. Pfeifer was born in Minot, North Dakota, and completed her education at Watford City High School in Watford City, North Dakota. She earned her Bachelor of Social Work degree from Minnesota State University — Moorhead in 2001 and later obtained her Juris Doctor degree from William Mitchell College of Law in 2004.

With approximately 9 years of experience, Ms. Pfeifer focuses on family law. She holds the belief that parties are best suited to reach agreements concerning their family's future through settlement negotiations or mediation. However, when such resolution methods are not feasible, Ms. Pfeifer, drawing on her experience as a litigator, guides her clients through the court process, presenting compelling arguments for the court to make well-informed decisions.

Mary A. Pfeifer's practice primarily encompasses family law, tax law, and probate and estate planning, covering a diverse range of cases, including but not limited to:

- Divorce
- Paternity
- Adoption
- Grandparents' rights
- Third-party rights
- Custody
- Child support
- Parenting time
- Termination of parental rights
- Orders for Protection
- Harassment
- Unpaid state and federal taxes
- Offers in compromise
- Abatement of tax penalties
- Tax audits
- Contested and uncontested probates
- Wills and other estate planning needs
- General civil litigation
- Power of attorney disputes
- Property disputes

Admission Details
  • 2004, Minnesota
  • 2005, U.S. District Court, District of Minnesota
  • William Mitchell College of Law, Class of 2004, J.D.
  • Moorhead State University, Class of 2001, B.S.W.
Volunteer Activities
  • Lewis House
  • Legal Assistance of Dakota County
  • Washington County Self-Help Clinic
Associations & Memberships
  • Minnesota State Bar Association
  • First District Bar Association
  • Tenth District Bar Association
  • Dakota County Bar Association
  • Washington County Bar Association

Contact the Firm


Appelhof, Pfeifer & Hart, P.A.


20856 Holyoke Avenue,
P.O. Box 369,
Lakeville, Minnesota 55044