PHOENIX, AZ - Mark-Taylor Residential proudly announces the grand opening of Ironwood Homes at River Run, a build-to-rent development that is redefining traditional multifamily living just west of Phoenix, Ariz. Developed by Sunstone Two Tree, this inviting community is comprised of 103 detached two-story homes, each offering a desirable blend of high-end features, first-class amenities and the convenience of single-family living with the flexibility and low maintenance of.