Here is the full list of all 24 Picklock achievements.
Steal all the toilet paper
Find all the secrets in town
Buy all cars
Steal a million dollars
Perfect Mission: Tuning Center
Steal a motorbike
Steal steak
Perfect Mission: Night Club
Perfect Mission: Motel
Perfect Mission: Pub
Buy property abroad
Make repairs
Perfect Mission: Pizzeria
Steal pizza
Perfect Mission: Clothing store
Perfect Mission: Transport company
Perfect Mission: Loft
Perfect Mission: Cinema
Perfect Mission: Shop dairy
Steal popcorn
Perfect Mission: Butcher shop
Run away after the cops arrive
Perfect Mission: Sewing factory
Perfect Mission: Neighbor's house