-sledgehammer to the wall (or any other object with high bash damage; I hope your character is strong)
-jackhammer to the wall
-use acet. torch on the door
-ram the building with a vehicle; possibly install a single protruding heavy frame (“bumper”) to ram the wall with
Check also home improvement stores for tools (map symbol: bright green A, on brown background)
Are you sure the doors can be picked?