A serious flaw in a commercial building may disrupt tenants, delay an opening or force you to pay for repairs. If you own or developed the property, you also need to identify the cause before a filing deadline passes.
California law gives you ways to respond when faulty work or design causes damage. The right approach often depends on what went wrong, when you found it and what your contract requires.
The type of defect affects your time to file
A construction defect may come from poor workmanship, faulty materials or a design error. Depending on the facts, a general contractor, subcontractor, architect or engineer might share responsibility.
California separates construction defects into visible and hidden problems. A patent defect is one that a reasonable inspection would reveal. Claims involving these defects generally have a four-year time limit from substantial completion. A latent defect is one that a reasonable inspection would not uncover. These claims usually have a 10-year statute of repose from substantial completion.
The 10-year period does not give you extra time when a shorter deadline applies. For example, California generally allows three years for claims based on property damage. Other claims may follow different limits, so you may want to confirm the correct filing period soon after you discover a problem.
Your options depend on your contract and records
Your construction contract may shape what happens before a lawsuit. Consider checking it for notice rules, repair steps and mediation or arbitration clauses. California generally enforces written arbitration agreements, though exceptions apply. Direct talks or a negotiated repair might also resolve some disputes without court action.
You may want to preserve records while the facts remain clear. Keep the signed contract and later changes. Photos, inspection reports and repair estimates could show what failed and what it cost. If workers make temporary repairs, record what they changed and when.
Protect your options
A construction defect may affect your property and your business plans. Understanding the deadlines, checking your contract and preserving useful records could help you make sound decisions and pursue a fair result. You might consider seeking legal help from an experienced construction law attorney to review your contract, records and possible next steps.


