Special to the Daily Not many people know about the tennis courts between Vail’s Cascade Village and the Donovan Pavilion. That site may be the home of the town’s next apartment complex. , a Denver-based development company, is creating a plan for roughly 120 mostly one-bedroom units at the 2.2-acre site owned by Vail Hotel Partners. Treeline partner Pete Wiechecki said the idea is for “resident” housing, meaning units will be deed-restricted but rented at “market rates.” According to local planner Dominic Mauriello, Treeline is taking a two-step approach to the project. The first step is rezoning the land into the town’s “housing” zone district. That designation requires deed-restricting at least 70% of all units built. The remainder can be sold at market rates.