About
Timothy Lappen is an attorney, Partner, Founder & Chairman of the Family Office Group and Luxury Home Group of Jeffer Mangels & Mitchell LLP, with more than 50 years of practice focused on serving clients as outside general counsel. He advises individuals, families, family offices, public companies, and private businesses on a wide range of significant legal matters. His work includes luxury homes, real estate, entertainment, business law, hospitality, intellectual property, tax, labor, litigation, land use, and estate planning. He represents entertainers, athletes, and clients managing substantial personal, property, philanthropic, and business interests.
Timothy earned his J.D. from UCLA School of Law and his B.A. from the University of California, Berkeley. His academic background provided the foundation for a wide-ranging practice involving business, property, estate, and family office matters. He later maintained ties with UCLA School of Law through service as a trustee, including a term as president. His education supported his later work involving sophisticated transactions and legal planning.
Timothy represents clients in family office and luxury home matters involving estate planning, residential transactions, boundary disputes, land use, zoning, and litigation. His work extends to household employment issues and acquisitions or dispositions involving fine art, jewelry, collectibles, yachts, aircraft, and motor vehicles. He represents buyers, sellers, developers, architects, contractors, lenders, borrowers, lessors, lessees, and property owners in sophisticated residential and commercial matters.
Timothy Lappen brings a broad outside-general-counsel perspective to clients whose legal needs cross personal, business, and property concerns. His representative work includes advising families and family offices and assisting public and private companies across varying levels of wealth. He regularly speaks on family office and luxury home topics. His speaking engagements include national conferences and programs for financial institutions, advisors, accountants, business managers, and industry groups.
Law Office Affiliations
- Partner, Jeffer Mangels & Mitchell LLP
- Member, The State Bar of California
Licensed State
- California
Education
- UCLA School of Law
Juris Doctor (JD) - University of California, Berkeley
Bachelor of Arts (BA)

- Banking & Finance
- Business Litigation
- Contracts & Agreements
- Franchise, Dealership & Partnership
- Mergers & Acquisitions
- Tax
- Trusts
- Wills & Living Wills
- Commercial Real Estate
- Condominium
- Land Use & Zoning
- Residential Real Estate




