Courthouses in Thiells, New York, the US. Courthouses locations in Thiells, New York. Find the nearest courthouses locations, near you. All types of business services Accounting ATM Bank Courthouse Finance Insurance Real estate School Travel All courthouses in Thiells Haverstraw Court Clerk Courthouse +1 845-947-0020 1 Rosman Road, Garnerville, Thiells, New York 10923 Write a review Phone Website Directions