From New Jersey, New York City:

New York State Thruway (85/287) - Exit 12 Route 303 North

Take Route 303 North for 5 mi to Route 9W.  Go left (north) for 1 1/2 mi, then:

...from Route 9W in Haverstraw: at New Main Street (traffic light), turn downhill (towards river).  Cross railroad tracks and continue straight until you pass Broadway.  The second side street on your left is Rockland Street, where the church is – since it is “one way” against you, take the next left (Liberty St.) and then turn left on Broad St. to get back to Rockland Street.  Park on Broad St. or turn left onto Rockland St. (the white church building is on the right side of street).

From upstate New York:

Interstate 84, Exit 7S (Thruway 87).  Take 87South to Exit 16.  Take Route 6East to Palisades Interstate Parkway South, Exit 14.  At end of ramp, go left on Willow Grove Road (becomes Filors Lane) for approximately 5mi. to Route 9W.  Turn right (south), then:

 ...from Route 9W in Haverstraw: at New Main Street (traffic light), turn downhill (towards river).  Cross railroad tracks and continue straight until you pass Broadway.  The second side street on your left is Rockland Street, where the church is – since it is “one way” against you, take the next left (Liberty St.) and then turn left on Broad St. to get back to Rockland Street.  Park on Broad St. or turn left onto Rockland St. (the white church building is on the right side of street).