AC Marriott, Railroad Square

Category: Work
Santa Rosa, CA

This five-story hotel has 142 rooms and brings a contemporary, vibrant addition to Santa Rosa’s downtown. Guest arrival areas, lobbies, meeting spaces, and dining areas are located at the ground level. Building materials and openings along Davis Street recall the masonry warehouses of the surrounding neighborhood. These transition to metal and cement plaster wall materials with contemporary window openings along three sides of the building. Frontages form small courtyards in the middle of the block, breaking down the scale of the 55-foot-tall hotel.

This structure is set on a footprint of 200 by 120 feet. The ground level of the hotel is all concrete, but above the concrete podium are four stories of volumetric wood modules constructed in an out-of-state factory and craned into place on site. Hotel rooms, corridors, and balconies were divided into 81 total production modules of various “barbell” and “saw-box” configurations that were built in a controlled environment, trucked to the site, and efficiently placed together atop the podium like a jigsaw puzzle.

ZFA was the engineer of record for all site-built portions of the project and also worked closely with the modular design team on various site-built attachments to the prefabricated modular boxes as well as the structural and mechanical connections at the podium level.

Size 80,000 sf
Completed 2020
Construction Cost $20M (est.)
Architect BAR Architects
Contractor MW Builders