Walnut/Diamond Bar Station is spread out over 45.2 miles, encompassing the contract cities of Diamond Bar and Walnut, and the unincorporated area of Rowland Heights. We provide police services, including all patrol, investigative and custodial operations, to more than 148,000 residents.

Address: 21695 Valley Blvd. Walnut CA 91789
Website: http://www.lasdhq.org/stations/for3/wlnt-dbar/index.html
Hours:
  • The station is open 24 hours a day, seven days a week, however, administrative and detective personnel primarily work weekdays during normal business hours.
Phones:
  • (626) 913-1715 or
  • (909) 595-2264