The Hall of Administration (HOA) and Stanley Mosk Courthouse have a two-level underground parking structure with two entrances and two exits at Grand Ave and Hill St. Secured underground parking is available to County employees with AP 18 hangtags (or after 3:30 PM on weekdays with a valid County badge). Attendants screen vehicles to ensure proper access by verifying displayed parking hangtag. All exit signs are illuminated to guide patrons out to the street.
Access Lot 18 from the Grand Avenue Entrance:
- Monday – Friday: 6 AM – 3:30 PM, accessible 24/7
- Entrance: Southwest of the garage
- Exit: Northwest of the garage
Access Lot 18 from the Hill Street Entrance:
- Monday – Friday: 6 AM – 3:30 PM
- Entrance: Northeast of the garage
- Exit: Southeast of the garage