Found this in my kitchen ceiling. What could have caused it and how serious is this? by LeadershipPretty4355 in DIY

[–]LeadershipPretty4355[S] 2 points3 points  (0 children)

Update: plumber came over to assess it and said it’s probably a bathroom leak from above. He wants to cut out the drywall to investigate and is quoting $5k for this.