Stanislaus County’s adult detention operations are centered on the Sheriff’s Hackett Road campus rather than the former downtown H Street jail location. The Adult Detention Center is at 200 E. Hackett Road, Modesto, CA 95358. The main detention phone number is (209) 525-5630.

The campus includes Sheriff’s Detention Center – East, Sheriff’s Detention Center – West, Minimum Housing Units 1 & 2, and REACT. SDC-East handles booking and release. Jeff Dirkse is Sheriff and LaBarbera is Undersheriff.