About
Duncan Lamphere is a skilled attorney at North Shore Estate Planning (NSEP), focusing his practice on real estate and business law. With extensive experience handling diverse transactions, he offers clients knowledgeable, practical guidance tailored to their goals, whether purchasing property, negotiating leases, or navigating complex real estate deals.
Mr. Lamphere earned his J.D. from Georgetown University Law Center and holds a B.A. from Lawrence University.
Licensed in both Illinois and Wisconsin, Mr. Lamphere brings a practical, business-focused perspective to every real estate matter. He advises clients on a wide range of transactions, including industrial and office leases, residential and vacant land purchases and sales, agricultural property deals, and natural resource rights agreements. His clients—developers, investors, entrepreneurs, and small business owners—rely on him to structure and close real estate deals efficiently while minimizing legal risk.
Mr. Lamphere’s representative cases demonstrate his ability to manage high-value and high-stakes matters. These include negotiating triple net leases for large commercial spaces, advising on distressed debt purchases, facilitating land parcel sales, and supporting investor syndicates with real estate acquisitions. He is also experienced in handling politically sensitive landlord-tenant disputes, which have drawn media attention, and offers strategic guidance on zoning, land use, and regulatory compliance.
Beyond real estate, Duncan B. Lamphere supports clients in broader business law matters and frequently advises brokers and developers on legal concerns arising from changes in the market, including those related to COVID-19.
Recognized by Super Lawyers in 2025, Duncan Lamphere is active in several professional organizations, including the Illinois State Bar Association, the State Bar of Wisconsin, and the American Bar Association. As Of Counsel with NSEP, he contributes significant value to clients through trusted counsel and a practical, business-minded approach.
Law Office Affiliations
- Of Counsel, North Shore Estate Planning
- Member, Illinois State Bar Association
Licensed State
- Illinois
- Wisconsin
Education
- Georgetown University Law Center
Juris Doctor (JD) - Lawrence University
Bachelor of Arts (BA)
Awards & Badges

- Agriculture
- Corporate & Incorporation
- Equipment Finance & Leasing
- Commercial Real Estate
- Land Use & Zoning
- Residential Real Estate




