From the Long Island Expressway Eastbound:

1. Take Exit 72 east onto Route 25 East.
2. Follow Route 25 for about three miles.
3. Route 25 becomes Main Street.
4. As you enter Riverhead town Route 25 forks at the Riverhead library. Take the left fork which is Court Street about 2 blocks and you will see the building on the left on the corner of Griffing and Court. Enter the parking lot behind the building and use the entrance facing the parking lot.

1. From anywhere on the North Fork, take Route 25 westbound.
2. At the junction with County Route 58 at Riverhead, take the left fork and stay on Route 25, which becomes Main Street.
3. Take Main Street through town to Griffing Ave. and make a right turn. Go to the first left hand turn which is Court St. It is the first building on the right. Turn into the parking lot behind the building and use the entrance facing the parking lot.

1. From anywhere on the South Fork, take Route 27 westbound past the Shinnecock Canal bridge to Route 24 North.
2. Take Route 24 to the Riverhead traffic circle, make the first right onto Peconic Avenue, go to the traffic light at Main Street and make a left hand turn and then a right hand turn on to Griffing Ave. at the first traffic.
3. Go to the first left hand turn which is Court St. It is the first building on the right. Turn into the parking lot behind the building and use the entrance facing the parking lot.
4. The Riverhead Unit is located at 303 Griffing Ave, Riverhead, NY 11901. First Floor

1. Take Exit 72 east onto Route 25 East.
2. Follow Route 25 for about three miles.
3. Route 25 becomes Main Street.
4. As you enter Riverhead town Route 25 forks at the Riverhead library. Take the left fork which is Court Street about 2 blocks and you will see the building on the left on the corner of Griffing and Court. Enter the parking lot behind the building and use the entrance facing the parking lot.

1. From anywhere on the North Fork, take Route 25 westbound.
2. At the junction with County Route 58 at Riverhead, take the left fork and stay on Route 25, which becomes Main Street.
3. Take Main Street through town to Griffing Ave. and make a right turn. Go to the first left hand turn which is Court St. It is the first building on the right. Turn into the parking lot behind the building and use the entrance facing the parking lot.

1. From anywhere on the South Fork, take Route 27 westbound past the Shinnecock Canal bridge to Route 24 North.
2. Take Route 24 to the Riverhead traffic circle, make the first right onto Peconic Avenue, go to the traffic light at Main Street and make a left hand turn and then a right hand turn on to Griffing Ave. at the first traffic.
3. Go to the first left hand turn which is Court St. It is the first building on the right. Turn into the parking lot behind the building and use the entrance facing the parking lot.