Zane K. Sullivan

Montana

Datsopoulos, MacDonald & Lind, P.C.
Central Square Building
201 W. Main Street, Suite 201
Missoula, Montana 59802

Tel: 4067280810

Email: zsullivan@dmllaw.com
Web: www.dmllaw.com

Zane K. Sullivan is a highly respected Montana attorney with a distinguished career spanning real estate and business law. Born in Glendive, Montana, he was admitted to practice in the State of Montana and the U.S. District Court for the District of Montana in 1973. He is also admitted to practice before the United States District Court for the Ninth Circuit and the Supreme Court of the United States.

Zane’s practice focuses on Real Estate Transactions, Boundary and Title Disputes, Easements, Homeowner Associations, Real Estate Lending Law, Business Law, and Business Formation. Over the course of his career, he has become well known throughout the real estate industry for his legal insight and his leadership in both the legal and real estate professional communities.

Zane has held prominent leadership positions, including serving as President and General Counsel of five title insurance offices in Montana. He later served as President of Insured Titles in Missoula, where he oversaw more than 10,000 real estate transactions. A significant portion of his legal practice is dedicated to representing REALTOR® Boards and Associations, particularly in the development and review of real estate practice forms, licensing compliance, and regulatory matters.

A recognized educator, Zane is a designated instructor for the National Association of REALTORS®, the Montana Association of REALTORS®, and the Graduate REALTOR® Institute. He has also served as a guest lecturer at the University of Montana School of Law, the Montana Bar Association, and the Montana Land Title Association. In addition to his legal credentials, Zane is also a licensed realtor in Montana.

Zane’s longstanding commitment to advancing professional real estate standards has earned him notable recognition. In 2016, he received the Sharon Wilson Meritorious Service Award from the Montana Association of REALTORS®, honoring his exceptional service and dedication to the Association’s membership.

Memberships & Professional Affiliations:

  • Montana State Bar
  • Montana Association of REALTORS®
  • National Association of REALTORS®
  • California Association of REALTORS®

Whether you are buying a small house for rental income or selling a multi-million dollar ranch property, we can help to protect your interests, maximize your investment and ensure that your experience is hassle free.

Real Estate Sales and Acquisitions

Our attorneys have years of experience in reviewing buy-sell agreements, lease agreements, easements, covenants and restrictions, land use and zoning regulations, and many other issues that could impact your real estate transaction. We can help to ensure that your investment isn’t affected by problems with mold or moisture, drainage issues, easements or rights-of-way, or undisclosed structural damage. We have successfully guided our clients through the complexities of subdivision approval, condominium declarations, formation of homeowner’s associations and boundary disputes. Our attorneys can assist you with problems with liens, levies, property taxes and other problems with title and title insurance to ensure that your investment isn’t improperly encumbered.

Real Estate Litigation

We also have a team of experienced real estate litigation attorneys to assist you in all types of real estate disputes. We have successfully represented clients in actions to compel specific performance of a real estate contract, for failure to disclose construction defects or other adverse material facts concerning the property, and for negligence on the part of the real estate agent for failing to properly represent the buyer’s or seller’s interests.

We’ve advocated for clients who have been harmed by sellers, lenders, appraisers and inspectors in connection with real estate investments. Our land use attorneys have decades of experience in the areas of zoning and code enforcement, subdivision regulations, environmental regulations, as well as toxic torts and pollution.

Datsopoulos MacDonald & Lind, P.C. is a respected full-service law firm based in Missoula, Montana, known for its strong advocacy, practical guidance, and longstanding commitment to the communities it serves. The firm provides a comprehensive range of legal services to individuals, businesses, and institutions across Montana, assisting clients with matters involving personal injury, criminal defense, family law, business transactions, real estate, environmental and natural resource issues, and complex civil litigation.

For decades, Datsopoulos MacDonald & Lind has earned a reputation for combining strategic legal insight with personal, attentive service. The firm’s attorneys are experienced trial lawyers and negotiators who work closely with clients to understand their objectives and deliver tailored solutions.

Rooted in integrity, professionalism, and civic engagement, the firm remains dedicated to protecting clients’ interests while contributing to the betterment of the wider Montana community.

“Clients describe Zane as thoughtful, responsive and exceptionally knowledgeable. He has a remarkable ability to translate complex real estate matters into clear, practical solutions. His insight and experience make him a trusted adviser to both business clients and real estate professionals across the state.”
The Real Estate Lawyers, 2026