How Old Until Puppies Control Their Bladder. For a labrador, you cannot expect them to have any control until 12 weeks of age, for smaller and toy breeds, this could be as much as 16 weeks old. How long should a puppy hold its bladder?

Generally speaking, a puppy can control their bladder one hour for every month of age. How long can 4 month old puppy hold bladder? Medical conditions and birth defects are common culprits.