Brentwood Police Department 272 Hanley Industrial Ct, Brentwood, MO63144 The Brentwood Police Department is comprised of 27 officers offering traffic, detective and juvenile bureaus. The school…More resource officer teaches the D.A.R.E. program to area schools. The department moved into its current location on Hanley Industrial Court in 2002, after sharing Brentwood City Hall with several other departments for many years. The department's website offers a FAQ for citizens, and assistant police chief Dan Fitzgerald wrote a history of the department in 2009.