Building Directory Queens County Family Court 151-20 Jamaica Avenue Courthouse Basement Department Room   Record Room B40 First Floor Department Room   Help/Info Desk   Court Officer Operations Office 105 Children's Center 180 Permanency Planning 124 Self Represented Services 109 Assignment Part / Part 10 110 Expedited Support Unit 103 Second Floor Department Room   Part 1 220 Part 47 / 48 230 Part 44 240 Family Treatment Court 243 Part 5 250 Part 6 260 Part 41 270 Part 46 280 Part 4 290 Third Floor Department Room   Part 26 / 27 3E Part 49 3W Part 8 320 Part 23 330 Part 24 340 Part 7 350 Part 12 360 Part 22 370 Part 21 380 Part 2 390 Fourth Floor Department Room   Part 40 420 Part 25 430 Part 45 440 Part 11 450 Part 42 460 Part 20 470 Part 43 480 Part 9 490 Fifth Floor Department Room   Clerk's Office 561     Agency Building   First Floor Department Room   Probation Department A160 Second Floor Corporation Counsel     Safe Horizon A270 Third Floor Administration for Children's Services A310 Fourth Floor Support Collection Unit A445   Community Mediation Services A450 Mental Health Services A460 Legal Aid Society A480