Drywall Cracks Appearing After 3 Months – Should I Be Worried?
We recently finished a small renovation in our house about 3 months ago. Everything looked perfect at first, but now I’m starting to notice thin cracks along a few drywall joints, especially near the ceiling corners and above one doorway.
They’re not huge cracks, just hairline ones, but since the work is still pretty new, it’s bothering me. I’m not sure if this is normal settling or if it’s something that wasn’t done properly during installation.
The contractor did mention that some minor settling can happen, especially with seasonal temperature changes. But I’m wondering should drywall start cracking this soon? Or does that usually mean the taping or mudding wasn’t done correctly?
For those with experience:
Is this considered normal?
Should I call the contractor back under warranty?


Yeah hairline cracks like that can happen, especially within the first few months after a renovation. Houses naturally shift a bit as materials settle and humidity or temperature changes, so drywall joints around ceilings, corners, and door frames are pretty common spots where small cracks start to show up.
In many cases it’s more of a finishing issue rather than a structural problem. Sometimes the tape or joint compound just needs a quick touch-up. If the cracks stay thin and don’t keep spreading, it’s usually considered cosmetic and fairly easy to fix. Since the renovation is still pretty new, it wouldn’t be a bad idea to mention it to your contractor though. Most decent contractors are fine coming back to fix small things like that.
From my experience being around renovation and construction projects, drywall costs and adjustments can vary quite a bit depending on the details. That’s why some builders rely on a reliable drywall cost estimator early in the planning stage to avoid surprises later when changes or small repairs come up.
Overall though, what you’re describing sounds pretty normal for a new renovation. I’d just keep an eye on it and see if the cracks stay the same or start getting wider over time.