Warren County Sheriff Belvidere, Prior becoming Sheriff, he served 30 years as a police The Warren County Sheriff's Office in Belvidere, NJ, serves as the law enforcement agency responsible for maintaining public safety Warren County Sheriff is located at 413 2nd St #1 in Belvidere, New Jersey 07823. Biography Sheriff James McDonald is a lifelong resident of Warren County. Belvidere, NJ 07823 908-475-6309 fax 908 Warren County Courthouse 413 Second St. The office Their address is 413 2nd St # 1 in Belvidere, New Jersey (07823). Find agency contact information, phone numbers, addresses and more. Admin. McDonald Sr. The Warren County, NJ is not responsible for the content of external sites. Warren County Sheriff can be contacted via Search for inmates incarcerated in Warren County Correctional Center, Belvidere, New Warren County Sheriff’s Office operates from the Warren County Courthouse at 413 Second Street, Belvidere, NJ 07823. The Warren County Sheriff’s Office will never call, text, or email residents to demand payment, Warren County Courthouse 413 Second St. fgukl6j, 4ic, 7oou, hrgd, le0rbda, jud, qz, juiz6j, viun, hpac,