Sullivan Regency Share: Resident Sullivan Regency Visit Website Request Info 685 West Broadway Monticello, NY 12701 (914) 490-3433 Facebook Hours: always open About Map About When you reside at The Sullivan Regency you get not only the best of what the local area has to offer, but also you get to enjoy a home built with the extraordinary convenience of this perfect locatio What's Nearby? Distance: 5 10 15 20 25 50 mi.