Drywall crack: settling or something else?
Most drywall cracks in Casselberry are cosmetic — humidity-cycle movement or minor truss uplift at a ceiling-wall joint — not foundation settling. The difference shows up in the crack's shape, width and whether doors and windows nearby are also acting up.
What is most likely wrong
| # | Cause | How common | What it looks like |
|---|---|---|---|
| 1 | Humidity/temperature cycling | Very common | Hairline cracks along a taped seam or in a corner, especially after a season change. Usually cosmetic. |
| 2 | Truss uplift | Common | A crack right at the ceiling-to-interior-wall joint, often widening slightly in winter and closing in summer. A known phenomenon in truss-roof construction, cosmetic in nature. |
| 3 | Moisture intrusion (roof or plumbing leak) | Less common | Cracking paired with staining, a soft or bulging patch, or a musty smell. Needs the water source found and fixed — sometimes a licensed roofer or plumber's job, not just a drywall patch. |
| 4 | Foundation settling | Least common, most serious | Diagonal, stair-step cracking (especially over doors/windows), growing over months, paired with doors or windows that have newly started sticking. Needs a structural/foundation specialist to evaluate, not a drywall repair. |
What you can safely check yourself
- Measure the crack’s width and mark the ends with a pencil and date — recheck in a few weeks to see if it is growing.
- Check whether nearby doors or windows have also started sticking or not latching.
- Look for a stair-step pattern (following the mortar lines) if the crack is near a block wall or brick veneer.
- Check for staining, softness or a musty smell around the crack, which points to moisture rather than settling.
If any of this involves opening an electrical panel, running new wiring, cutting into a gas or water line, or working higher than a stepladder safely reaches, stop and call a licensed tradesperson — that is not handyman-scope work, regardless of how small the fix looks.
Why this happens in this housing stock
57.1% of Casselberry’s residential parcels were built 1970–1989, and the median build year is 1977 — concrete-block construction with truss roofs is the norm. Sustained high humidity (Casselberry sits among 30-plus lakes) means seasonal movement cracking is genuinely common here, which is part of why it is worth ruling out before assuming the worst.
What the fix typically costs
| Job | Researched range | What drives it |
|---|---|---|
| Small patch (nail hole, small crack) | $75–$250 | Size and texture-matching. |
| Larger repair (bigger hole, seam, staining) | $171–$345 | Extent of damage. |
These are researched third-party market ranges, not this business’s pricing — see the sources at the bottom of the page. Add the Casselberry permit fee on top of any job that needs one.
Not sure what you are looking at?
Send a photo, the approximate age of the house, and what you already checked. That is usually enough to know whether it is a handyman fix or needs a licensed trade.