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I have a multifloor condo, with garage first floor, living space second floor, bedrooms third floor. At the corner stairs from second floor to first floor, the drywall is cracking (and seems to be increasing in size and width over the last year).

Is this indicative of a structural problem needing serious attention? What causes this type of cracking at this junction in the condo?

The HOA has reviewed the photos and wants to repair the drywall, but I'm concerned of the possibility of overlooking a more serious issue.

What are the most likely causes and prognoses?

July 2020

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March 2021 (0.5mm - 1mm wider)

enter image description here

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  • What are the walls made out of? This wall, below it, to the side, to the far right side... is all of the walls and stairs pure wood framing? – DMoore Mar 4 at 4:22
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I'm not a structural engineer but I do have a fair amount of experience in dealing with drywall cracks of this type. First of all, there really isn't any way to be 100% sure of the cause of cracks such as this one short of bringing in a structural engineer. Having said that, be assured that in 99% of instances with minor drywall cracks the cause is not structural but cosmetic.
Over time houses and condos move and flex internally with expansion and contraction due to fluctuations in temperature and externally with shifts in soil around the foundation caused by expansive soil or changing water tables. The good news is that homes are engineered to withstand these stresses structurally although we will see the ocassional cracking in drywall or a door that starts to stick.
With structural damage you will usually see significant foundational cracking and major shifts in structural integrity around windows and doors.
Based on the description and the pictures provided it looks cosmetic - have the HOA repair it. However, for your peace of mind you might want to ask the HOA and neighbors about other similar incidences in your community. If there are structural issues it would probably fall to the HOA to deal with them.

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    +1 for suggesting to check with the HOA for other similar incidents – Lee Sam Mar 4 at 4:30

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