The Montana Supreme Court issued a ruling on August 25, 2026, affirming a lower court's decision in a case involving West Development, LLC, and the Town of West Yellowstone. The court ruled in favor of the Town, deciding that West Development's claims of breach of contract, negligence, and declaratory relief were not valid. This decision affects developers and municipalities in Montana, clarifying the limits of municipal commitments in development projects.

West Development, a property development company, sought to construct a condominium project in West Yellowstone but faced challenges when the Town's wastewater system capacity became a concern. The case, known as West Development, LLC v. Town of West Yellowstone, Montana, was filed under docket number DA 25-0324. The court's ruling has implications for how long municipalities are expected to honor commitments made in development agreements.

The dispute began when West Development purchased property in West Yellowstone in 2006 and applied for a building permit to construct condominiums. The Town issued a permit in 2007, which included a clause stating that the permit would become void if work was not commenced within 180 days. West Development began construction but halted work in 2011 due to economic factors and a lack of necessary permits. The permit expired, and West Development did not reapply for a new permit.

In 2019, the Town of West Yellowstone adopted a moratorium on new connections to its wastewater treatment system due to capacity issues. This resolution limited new uses and connections to the system, which affected West Development's plans. In 2020, West Development attempted to sell the property but could not secure a guarantee for wastewater connections from the Town, leading to the termination of the sale agreement.

West Development filed a lawsuit against the Town in October 2020, claiming breach of contract and negligence. The Town argued that West Development's claims were time-barred, citing statutory limitations. The Eighteenth Judicial District Court ruled that the claims were not time-barred but granted summary judgment in favor of the Town on the merits of the claims.

Justice Jim Rice delivered the opinion of the Montana Supreme Court. The court ruled that the lower court correctly found West Development's claims were timely filed but erred in granting summary judgment in favor of the Town. The court stated, "the language of the Will Serve Letter was insufficient to create a valid and enforceable contract" and noted that the Town had not permanently refused to provide services but had merely delayed connections until facility upgrades were completed.

The court further explained that the Will Serve Letter, issued in 2007, did not guarantee that connections would be available indefinitely. The court emphasized that West Development had allowed significant time to pass without taking necessary actions to secure permits, which contributed to the ruling against them. The opinion stated, "the 13 years which elapsed from issuance of the Will Serve Letter until the attempted sale of the property to Copa... exceeded 'a reasonable time' in which to perform its obligations."

This ruling has significant implications for future development projects in Montana. It clarifies that municipalities are not bound indefinitely by commitments made in will-serve letters or similar agreements. Developers must take timely action to secure necessary permits and should not rely on past agreements without current validation.

The Montana Supreme Court's decision reinforces the need for developers to remain proactive in managing their projects and understanding the limitations of municipal commitments. This ruling may influence how developers approach future projects and their negotiations with local governments.

Looking ahead, it is unclear if West Development will appeal this decision or if there are related cases pending that could further clarify the legal landscape for development agreements in Montana. Details were not available in the court filing regarding any potential appeals or related cases.