About
Frank J. Endejan is an attorney serving clients in elder law, probate, real estate, guardianships, landlord and tenant matters, family law, small claims, civil matters, wills, and estate planning. His work supports people facing legal decisions involving property, families, aging, housing, and court procedures. He helps clients understand their options, prepare documents, address disputes, and navigate legal matters with practical guidance and steady representation in Wisconsin courts and local courts.
Frank earned a J.D. from the University of Wisconsin-Madison. He also earned a B.S. in History from the University of Wisconsin-Oshkosh. His education supports legal research, writing, advocacy, and client counseling. He uses that background to review facts, prepare filings, explain rights, and guide clients through probate, estate planning, real estate, guardianship, landlord, tenant, family law, and civil matters that require careful preparation and clear direction.
Frank has built a long legal career through public service, prosecution, and private practice. After law school, he served as a VISTA volunteer and later served in the United States Army. He returned to Fond du Lac and became Assistant District Attorney. He was later elected District Attorney for Fond du Lac County before entering private practice in 1983, where he continued serving clients in several legal areas.
Frank J. Endejan helps clients address legal issues tied to aging, property, family needs, housing, and court involvement. His work includes probate matters, protective placement reviews, guardian ad litem service, guardianships, wills, estate planning, real estate, small claims, and civil disputes. His background in public office and private practice helps clients receive informed guidance, prepared advocacy, and practical support during important legal decisions and proceedings.
Law Office Affiliations
- Attorney, Zacherl, O’Malley & Endejan S.C.
- Member, State Bar of Wisconsin
Licensed State
- Wisconsin
Education
- University of Wisconsin-Madison
Juris Doctor (JD) - University of Wisconsin Oshkosh
BS in History
Awards & Badges

- Elder Law
- Probate
- Wills & Living Wills
- Alimony
- Child Custody
- Child Support
- Divorce & Separation
- Guardianship
- Marriage & Prenuptial Agreements
- Paternity
- Commercial Real Estate
- Land Use & Zoning
- Residential Real Estate
- Title & Boundary Issues




