Bella Sera at the Preserve 4700 Bob Billings Parkway Lawrence, Kansas Architect: Gould-Evans Associates This five-story condominium project is Phase 1 of a three-phase plan by developers. The building features poured-in-place and tilt-up concrete construction. The first floor houses offices and commons areas for the building. Mar Lan was also involved in finishing the guest quarters suites located on the main floor as well as some of the tenant spaces throughout the building.