Three things decide whether you patch it yourself or call someone: how big the damage is, whether water is involved, and whether it has come back before. A small dry hole in an interior wall is a weekend job with a tub of spackle. Anything past about four inches, anything overhead, and anything with a water source behind it is not.
The third one is where most of the money gets wasted. A patch that keeps failing is not a patching problem, and in Northeast Florida it is very often the exterior wall talking.
Small holes and dents: go ahead and do it yourself
A nail hole, a stripped screw hole, a doorknob ding, a dent from moving furniture. These are legitimate weekend projects. Fill with spackle or a light coat of joint compound, let it dry, sand it smooth, and repeat once or twice if it shrinks back. No cutting, no backing material, no special tools. If the hole is smaller than a fist and the wall around it is solid and dry, you do not need to call anyone.
Past about four inches, bring someone in
Once a hole gets wider than roughly four inches, a dab of spackle has nothing to grip. It needs a backing piece set behind the drywall to hold the patch, then mesh tape over the seams, then several thin coats of joint compound feathered wider each time so the repair does not leave a bump you can pick out from across the room.
That is a different skill from filling a nail hole, and it is where first-time patches usually go wrong. Not the hole. The flat, invisible transition around it.
A crack that comes back is not a crack problem
A single hairline crack over a door frame, caused by ordinary settling, is usually fine to fill once and forget. A crack that reopens after you have filled it is telling you something: there is movement or moisture behind that wall, and joint compound cannot argue with either.
Filling the same crack twice a year is not a repair, it is a habit. That one needs the cause found.
Water damage: patching over it makes it worse
This is the one case where do-it-yourself is the wrong move even on a small area. A soft spot, a brown ring, bubbling paint, or a musty smell means water reached the inside of the wall, and drywall does not dry out clean the way framing lumber does. Its paper facing feeds mold and its gypsum core loses strength once it has been wet.
Painting over a water stain or mudding a soft patch seals whatever moisture and mold are already behind the surface. It looks fixed for a few weeks and comes back worse, usually a little larger than last time. Any drywall damage with a water source needs the source solved first and the wet material cut out and replaced, not skimmed over.
What a professional repair actually involves
For anything past a simple fill, the sequence is the same whether it is a four-inch hole or a full section replacement: cut the damaged area out square, set a backing piece or new drywall flush with the surrounding surface, tape the seams, then apply two or three progressively wider coats of joint compound, sanding lightly between each one. That part is mechanical, and most contractors do it well.
The part that separates a good repair from an obvious one is texture. If your walls have orange peel, knockdown, or any sprayed finish, the patch needs that texture recreated before paint goes on, and getting the pattern and thickness right usually takes a test pass on scrap board first. Skip it, or rush it, and you get a smooth rectangle sitting in the middle of a textured wall, visible from ten feet away under fresh paint.
Then repaint corner to corner rather than just the patch. The paint already on that wall has been fading for years, so a perfectly matched color rolled onto one rectangle is exactly what makes the repair easy to find.
When the wall outside is stucco or EIFS
If a drywall problem near an exterior wall keeps returning after it has been patched, and especially if the outside of that wall is stucco or EIFS, the drywall is not the actual problem.
Water gets in high and travels. Failed sealant or missing pan flashing at a window head or sill, a missing kick-out where a roof edge meets the wall, a weep screed buried by a raised flower bed or new hardscape, an unsealed control joint, or irrigation spraying the same elevation every morning. Any of those can feed water behind the stucco for months before it shows up indoors, and because it runs down the back of the sheathing and sideways along framing, the stain inside can be several feet from where the water actually entered. That is why the interior patch keeps failing while the wall outside still looks fine.
Our guide on what to do first when an interior damp spot appears near an exterior stucco wall walks through what the position of the stain tells you about the entry point, and what to photograph before anyone visits.
That is the point where it stops being a drywall question and becomes a building envelope question. Stucco Home Repair works throughout Jacksonville, St. Augustine, Ponte Vedra, Nocatee, Flagler, and Palm Coast, and water damage repair on stucco and EIFS walls is part of what the company does: moisture mapping and thermal imaging to find where water is getting in, not just where it is showing up, then removing the wet material, drying the structure, and rebuilding the wall with the flashing and drainage it should have had.
Cost follows the scope, and the scope follows the moisture reading. Crack repair on a St. Augustine home runs $900 to $2,400. A full re-stucco of a wall face or elevation runs $9,500 to $18,000. Our stucco repair pricing guide covers what sits between those two numbers and why the same stain can land at either end. Once the source is closed off, the interior drywall repair holds instead of returning every rainy season.
The short version
Small hole, no water, no history: fix it yourself. Big hole, a crack that keeps reopening, or anything overhead: bring in someone who will run the full cut, tape, mud, texture sequence. Any sign of water, particularly near an exterior stucco or EIFS wall producing the same stain over and over: find and fix the source before anyone touches the drywall, because every dollar spent on the inside of that wall is temporary until you do.