If The padlock on the back gate has rusted shut.
Then Replace it with a weather-rated padlock.
A shrouded shackle and a drainage-friendly body cope with rain and salt far better than an indoor lock left outside.

Locked out of a home or business, a key snapped in the lock or a lock that has seized: entry with the least damage, then the door secured again.
Cars, houses and shopfronts lock people out in different ways, and this section holds pages for each. What they share is the approach: verify, open with care, test the lock, leave a key that works and say plainly whether anything else needs attention.
Home Lockout ServiceAfter a week of humid weather the back door has swollen in its frame.
Business Lockout ServiceYou signed the lease on the unit last week and the landlord handed over possession, but the previous tenant's locks are still on…
Broken Key ExtractionYou were locking up on the way out when the key broke in the lock.
Break-In Damage Lock RepairThe shop's aluminum door has a bent meeting stile and the hookbolt is jammed half out.
Seized & Jammed Lock OpeningEvery time you pull the key out of the side door it comes away gritty.
Lost Keys — Same-Visit RekeyThe keys fell out of a gym bag somewhere between the arena and the parking lot.Tap a situation. The answer opens here.
If The padlock on the back gate has rusted shut.
Then Replace it with a weather-rated padlock.
A shrouded shackle and a drainage-friendly body cope with rain and salt far better than an indoor lock left outside.
If The shed holds the bikes and the lock is a flimsy one.
Then A hasp and a proper padlock.
The hasp matters as much as the lock; fitted with carriage bolts it resists prying.
If The mailbox key is lost and the mail is piling up.
Then Replace the mailbox lock and cut new keys.
With proof the box is yours, the cam lock swaps out cleanly and you get two keys for it. Mailbox Lock Replacement
On-site assessment preferred · (289) 677-1674, open 24/7