This occurs when dust dirt grime and other buildup accumulates on the internal.
Sticky lock on front door.
Yes it s that sticking door of yours.
First clean the keyhole with a penetrating lubricant like wd 40.
In some instances you have a door that sticks along the strike area the metal part of the door frame where it meets the outermost edge of the door.
Fixing a few stubborn locks might involve disassembling cleaning and then reassembling the lock.
After enough use you might find that your door lock has begun to stick making it difficult to put in turn or pull out your key.
An effective front door lock keeps out burglars but when you find yourself struggling to enter your own home it may be time to adjust your lockset.
Many people put up with the aggravation of a sticking door lock for years.
My front door deadbolt lock is hard to unlock and open when i put the key in and turn.
How to fix a sticky lock.
Each time you open it there is a little grab before it releases.
In other cases it may be the wood door edge itself scuffing on the door frame.
I can unlock the door if i try a few times but the key has a difficult time turning as the deadbolt is sticky.