Built in 1910, the Mills & Grubb Building at 300 Park Avenue South was acquired by Rockrose in 1999. Totaling 183,330 square feet with 13,671-square-foot floors, in addition to this beautiful ornate pre-war façade, this 15-story structure at the corner of Park Avenue South and 22nd Street is one of Midtown South’s best-equipped buildings.
We are ENERGY STAR Certified!
ABOUT ROCKROSE DEVELOPMENT, LLC
Founded in 1970, Rockrose Development L.L.C. is one of New York’s most pre-eminent and prolific developers. As an all-encompassing property owner, developer and manager, our visionary stance and commitment to excellence have established us as a leading force in New York real estate.
With a hands-on management team who recognize the importance of exacting quality for demanding residential and commercial clients, the company continues to exceed expectations and create new standards.
