About Dayton Ritz & Osborne

Dayton, Ritz & Osborne is the longest continuously operating Insurance business on Eastern Long Island with its roots dating back to 1875. With office locations in East Hampton, and Southampton, our trained professionals are committed to provide superior service while identifying, evaluating and providing the best solution to our clients' needs.

East Hampton


78 Main Street - MAP
P.O. Box 5099
East Hampton, NY 11937
Phone 631-324-0420
Fax 631-324-3526
HOURS: M-F 8:30-4PM



88 Main Street - MAP
Southampton, NY 11968
Phone 631-283-2220
Fax 631-283-5713
HOURS: M-F 8:30-4PM