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