What happens to a builder if the house they built is unstable and kills the owner of that house?

If a builder constructs an unstable house that results in the owner's death, they could face serious legal consequences, including criminal charges such as manslaughter or negligent homicide, depending on the circumstances. Additionally, the builder may be subject to civil lawsuits for wrongful death, where the deceased's family could seek damages. The builder's professional reputation could also suffer significantly, potentially impacting future business opportunities and licensing. Ultimately, the specific outcomes would depend on the laws in the jurisdiction where the incident occurred.