Investigators believe the incident happened around 5:30 a.m. Friday in the rear of the 7000 block of Roosevelt Boulevard.
Police say A 1998 Nissan had three tires slashed, a 2008 Nissan had all four tires slashed and another vehicle, apparently a Chrysler minivan, had three tires slashed.
Anyone with information can contact Philadelphia Police at 215-686-TIPS (8477) or through phillypolice.com.