How to Fix a Closet Door That Won't Close Properly

Closet doors that stick or won't latch shut are one of those recurring annoyances that get worse over time. The problem builds slowly—a little sag here, some settling there—until one day the door hangs open no matter how hard you push it. The good news is that the fix is almost always mechanical, not structural. You're dealing with hinges that need adjustment, a frame that's shifted, or a door that's absorbed moisture and swollen slightly. None of these require replacing the whole assembly. The real work is diagnosis: once you understand what's actually preventing the door from closing flush, the correction takes maybe thirty minutes and a basic toolkit. Most closet-door problems fall into three categories—frame misalignment, hinge failure, and wood movement—and you can identify which one you're dealing with just by looking and feeling. A door that binds at the top or bottom tells you something different than one that closes but won't latch. The key is approaching this systematically, checking one thing at a time, and not assuming the worst.

1. Read the gap, not the door. Close the door most of the way and look at the gap between the door and frame. The gap should be even top to bottom and side to side. Use a level against the top and side of the frame to see if it's plumb. If the gap is wider at the top, the frame has settled and pulled down on one side. If it's wider at the bottom, hinges are sagging. If the door visibly binds at one spot, you have a frame-square problem.
2. Snug every hinge screw. Open the door fully. Look at both the frame-side and door-side hinge screws. Using a screwdriver that fits the screw head tightly, tighten each screw in both hinges by a quarter-turn. Do not overtighten—you're looking for snug resistance, not maximum force. Close the door and check the gap again. Often this single step fixes the problem.
3. Wedge the frame straight. If the gap is still uneven and the frame itself is twisted, you need to shim the top hinge. Close the door and identify which side of the top hinge is pulling away from the wall. Insert a shim—a thin wood wedge or folded shim shingle—behind the top hinge on the wall side, then retighten the hinge screws. Test the door. Add shims a little at a time until the gap is even.
4. Feel the edges, not the face. Open the door fully and look at its edges in bright light. A warped door will show a visible curve or twist. A swollen door will appear slightly thicker, especially on the bottom edge and side edges. Run your hand along the top, bottom, and side edges where the door should meet the frame. Rough spots or ridges indicate swelling from humidity or water exposure. If swelling is the issue, the door is absorbing moisture and needs to be planed or replaced.
5. Remove swelling with grain. If the door is swollen at the bottom or edges, use a hand plane or belt sander to remove the high spots. Work carefully and test fit frequently. Plane the bottom edge first, checking every few passes. If the entire door is thicker, you may need to plane both sides and the edges—this is labor-intensive. Plane in the direction of the wood grain to avoid tear-out. After planing, apply a coat of polyurethane or paint to the bare wood to seal it against future moisture.
6. Align strike to latch. Once the door closes properly, check that the latch actually engages. Look at the strike plate (the metal plate on the frame where the latch hits). It should be aligned with the latch bolt. If the latch clicks but doesn't catch, loosen the strike plate screws and shift it up or down until the latch sits in the pocket. Retighten the screws. If the strike is bent or the latch is broken, replacement hardware costs ten to fifteen dollars.
7. Spray, cycle, verify. Apply a light silicone or WD-40 spray to the hinge pins and pivots. Open and close the door ten times. This helps the hinges settle and shows you whether the fix is holding. Leave the door closed for an hour and check the gap again. If everything looks even and the door latches smoothly, you're done. If it's still binding, go back and check your shim placement or consider a professional adjustment.