Steven Zevitas Gallery was founded in 2003 in Boston’s South End and operated as osp gallery through 2007. The gallery exhibits and represents artists from throughout the United States. Notable artists who have had their first solo shows in Boston at the gallery include: Alex Jackson, Andrew Masullo, Ashley Doggett, Xylor Jane, Chuck Webster, Chris Ballantyne and Jered Sprecher. Group exhibitions have included  Philip Guston, Dana Shutz, Emily Furr, Jamaal Peterman, Vaughn Spann, Celeste Rapone, Clotilde Jimenez, Jonas Wood, Trenton Doyle Hancock, Gina Beavers, and Brian Calvin.

Steven Zevitas Gallery began participating in art fairs in late 2007. Since then the gallery has been featured in Art Basel Miami Beach, UNTITLED Miami, UNTITLED San Francisco, Volta NY, NADA, NEXT, Platform LA, and ArtPadSF.