From NY17 West (Monroe, Harriman):
Take the Route 94 exit - Exit 126 - toward Chester/Florida. Turn RIGHT onto NY94. Continue straight through the intersection with Route 17M

From NY17 East (Goshen, Middletown):
Take the Route 94 exit - Exit 126 - Toward Chester/Florida. Turn LEFT onto NY94. Continue straight through the intersection with Route 17M.

We are the second building on the left, immediately after CVS. Entrance is in the rear.

Here's a map, courtesy of Mapquest.