Door closes, but latch will not catch
The door meets the frame, but the spring latch hits metal, skips the hole, or barely grabs.
Start here: Look for a loose strike plate, sagging door, or latch hitting high or low on the frame.
Door troubleshooting
Door Won’t Lock
Direct answer: If a door won’t lock, the problem is usually one of two things: the latch or deadbolt is not lining up with the strike plate, or the lock hardware itself is worn or loose. Start by seeing whether the door closes normally but the lock will not catch, or whether the door has to be pushed, lifted, or slammed first.
Most likely: Most often, loose hinges or a slightly shifted strike plate leave the latch just missing the hole in the frame.
Watch how the door meets the frame. If the latch rubs the strike plate, the door sags, or the deadbolt only works when you shove the door, stay on the alignment path first. If the door sits square and the lock still will not turn or catch, move to the hardware path. Reality check: a door can be only a hair out of position and still refuse to lock. Common wrong move: filing the strike plate too aggressively before tightening hinges and checking door position.
Don’t start with: Don’t start by replacing the whole lockset or forcing the key. A lot of these are alignment problems, not bad hardware.
If the door has to be lifted or pushed hardCheck hinge screws and latch-to-strike alignment first.
If the door closes cleanly but the lock still won’t workInspect the door latch or door handleset for internal wear or looseness.
Last reviewed: 2026-04-05
Start by matching what your door is doing
Deadbolt only works when you push or pull the door
The key or thumbturn works only if you lean on the door, lift the handle, or pull the door toward you.
Start here: Check door alignment and deadbolt-to-strike plate position before blaming the lock cylinder.
Key or thumbturn is hard to move even with the door open
The lock feels stiff or will not extend smoothly when the door is not touching the frame.
Start here: Focus on the door latch or door handleset hardware, because alignment is no longer the main suspect.
Door rubs, sags, or has an uneven gap
The top gap is tight on one side, the latch edge drags, or the door looks slightly dropped in the opening.
Start here: Go straight to hinge screws and frame-side alignment checks.
Most likely causes
1. Loose door hinges letting the door sag
A sagging door shifts the latch and deadbolt out of line with the strike plate, especially if the lock works only when you lift or shove the door.
Quick check: Open the door halfway and look for movement at the hinges or rubbed paint at the top corner and latch edge.
2. Strike plate out of position or packed with paint and debris
If the latch hits the plate or the deadbolt taps the edge of the hole, the lock cannot seat fully.
Quick check: Mark the latch with a pencil or lipstick substitute, close the door gently, and see where it contacts the strike plate.
3. Worn or loose door latch or door handleset
If the latch sticks, feels sloppy, or will not extend cleanly even with the door open, the hardware is likely the problem.
Quick check: Operate the handle and latch with the door open. The latch should spring out sharply and retract without grinding.
4. Seasonal swelling or frame movement
Wood doors and frames can shift enough with humidity or settling to throw off lock alignment without any broken part.
Quick check: Look for fresh rubbing, tighter gaps after rain or humidity, or a door that worked fine in another season.
Step-by-step fix
Step 1: See whether this is an alignment problem or a bad lock
You can save a lot of time by checking the lock with the door open before touching screws or buying parts.
- Open the door and operate the latch, deadbolt, key, or thumbturn several times.
- Notice whether the latch springs back cleanly and whether the deadbolt extends fully without scraping.
- Close the door slowly and watch where the latch or deadbolt meets the strike plate.
- Note whether the door has to be lifted, pushed, or slammed before the lock works.
Next move: If the lock works smoothly with the door open but not when closed, stay on the alignment path. If the lock binds or will not move even with the door open, skip ahead to the hardware check steps.
What to conclude: A lock that fails only when the door is closed is usually being blocked by position, not by an internal lock failure.
Stop if:
- The key is stuck and will not come out without force.
- The door is your only secure exterior entry and disassembly could leave it unable to latch.
- The frame or door edge looks cracked around the lock area.
Step 2: Tighten the hinges and check for sag
Loose hinge screws are one of the most common reasons a door suddenly stops lining up with the strike plate.
- With the door closed, inspect the gap around the top and latch side for uneven spacing.
- Open the door and tighten all accessible hinge screws on both the door and frame side.
- Replace any stripped short hinge screw with a longer screw that bites solid framing, one screw at a time on the top hinge first.
- Close the door again and see whether the latch now lines up better or the deadbolt turns more easily.
Next move: If the door now closes and locks normally, the main problem was hinge movement and sag. If the latch still hits high, low, or sideways on the strike plate, move to the strike plate check.
What to conclude: Hinge play changes the door’s position at the latch edge more than most homeowners expect.
Step 3: Check exactly where the latch or deadbolt is hitting
Once you know whether the bolt is high, low, or off to one side, the next fix gets much more obvious.
- Look for shiny rub marks on the strike plate or frame where the latch or deadbolt is contacting.
- Close the door gently until the latch touches the strike plate without forcing it shut.
- See whether the latch is landing above, below, or beside the strike opening.
- If the strike plate is loose, tighten it and retest before changing anything else.
- Clean packed paint, dirt, or wood fuzz from the strike opening so the latch can seat fully.
Next move: If tightening or cleaning the strike area lets the latch catch, you likely had a simple alignment or obstruction issue. If the latch still misses the opening, the strike plate position or door position needs correction.
Step 4: Decide whether the fix is the strike plate or the lock hardware
By now you should know whether the door is out of place or the hardware itself is worn out.
- If the lock works with the door open and the latch is only slightly off at the frame, plan on adjusting or replacing the door strike plate.
- If the latch does not spring out firmly, feels gritty, or the handle is loose, inspect the door latch and door handleset screws.
- Tighten the through-bolts or mounting screws on the interior side of the handleset and retest.
- Remove the latch only if it is clearly sticking, loose in the door edge, or not moving freely with the handle.
Next move: If tightening the handleset or correcting the strike position restores normal locking, you can stop there. If the latch still sticks with the door open, replace the door latch or the full door handleset if the mechanism is worn as a unit.
Step 5: Make the repair and confirm the door secures normally
The job is not done until the door latches and deadbolts smoothly without body weight, slamming, or key strain.
- If alignment was the issue, reposition or replace the door strike plate so the latch and deadbolt enter cleanly without rubbing.
- If the latch mechanism was sticking with the door open, replace the door latch or the full door handleset as needed.
- Retest with the door open first, then closed gently, then from both sides with normal hand pressure only.
- Lock and unlock the door several times to make sure the latch catches fully and the deadbolt does not drag.
- If the door still needs to be forced to lock after basic hinge and strike corrections, stop and have the frame and door fit evaluated.
A good result: If the door locks smoothly with normal closing pressure, the repair is complete.
If not: If the door still will not line up or the frame has shifted, the next step is a more involved door and frame adjustment by a carpenter or locksmith.
What to conclude: A good repair leaves the door closing square and locking easily every time, not just once after a hard shove.
Replacement Parts
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FAQ
Why does my door only lock when I push on it?
That usually means the door and frame are slightly out of alignment. The latch or deadbolt is not entering the strike opening cleanly until you force the door into position. Loose hinges and a shifted strike plate are the first things to check.
Can I just file the strike plate opening bigger?
Only after you confirm the hinges are tight and the door position is otherwise sound. A little cleanup is one thing, but aggressive filing can hide a sagging door and leave the lock with a sloppy fit.
How do I know if the latch is bad instead of the alignment?
Test it with the door open. If the latch or deadbolt still sticks, feels gritty, or will not extend fully when the door is not touching the frame, the hardware is the stronger suspect.
Why did my door suddenly stop locking after rain or humidity?
Wood doors and frames can swell enough to change the fit. Sometimes the change is small, but it is enough to move the latch off the strike plate. If the problem tracks with weather, swelling or seasonal movement is likely involved.
Should I replace the whole lockset if the door won’t lock?
Not first. Many doors that will not lock have good hardware but poor alignment. Replace the whole door handleset only when the latch mechanism is clearly worn, loose, or sticking with the door open.