A failure to meet a legally required safety or construction standard.

"Building" covers structures and their parts - stairs, railings, exits, wiring, lighting, fire protection, windows, flooring, and more. "Code" means rules adopted by a government, not just good ideas or contractor habits. In Massachusetts, that often means the State Building Code, 780 CMR, enforced by local building departments, along with other rules that may apply to housing or fire safety. A "violation" can be obvious, like a missing handrail, or technical, like stair dimensions that are just far enough off to create a tripping hazard.

Here is the myth to drop: a code violation does not automatically mean someone wins a case, and the absence of a cited violation does not automatically clear the property owner. In an injury claim, the real questions are usually whether the dangerous condition existed, whether the owner or occupier knew or should have known about it, and whether it helped cause the injury. A bad staircase can matter even if no inspector wrote it up.

That said, a documented violation can be powerful evidence in a premises liability case. It may help show negligence, unsafe maintenance, or failure to repair. Photos, inspection records, permits, and expert opinions often matter more than confident advice that "if it broke code, the case is over."