420 Osborn Avenue Ready for Lease! Spacious 2nd Floor with 2 Rooms and Half Bath - Each Room can be rented independently or the entire floor as per need! In Heart of Riverhead! Highly visible. If you're looking to have an impressive office with fantastic charm, perfectly set up for your professional office. Extremely high traffic count. Next to public parking. Few blocks away from the County Houses. Near the train station & bus. Long-term lease for other commercial uses considered. The building is handicap accessible-shared common entrance. Utilities included in the rent are water, electric, heat, air conditioning, sewage, and yard maintenance. Plenty of parking.