# Free Water Damage Response & Insurance Checklist | Water Damage Tempe > A free, printable checklist covering the first steps after water damage and insurance-claim documentation for Tempe and the Phoenix metro. URL: https://waterdamagetempe.com/resources/ ## Before Help Arrives Water sitting in a Phoenix-metro home starts a clock — mold can begin colonizing damaged material within 24-48 hours. - Stop the source if you safely can — shut off the water supply valve for a burst pipe or failed appliance. - Never enter standing water you suspect is sewage — Category 3 (black) water is a biohazard. - Move what you can off the floor, if it's safe to do so. - Increase airflow if it's safe and the water source is clean. - Don't wait to call — the sooner extraction starts, the less material has to be replaced instead of dried. ## Insurance Claim Documentation Checklist Whether damage was "sudden" (typically covered) or "gradual" (typically not) is the single most decision-relevant distinction for an Arizona homeowners policy. - Photograph before any cleanup — wide and close shots, multiple angles, same day. - Photograph undamaged areas too, for contrast. - Note the date and cause as best you understand it. - Keep receipts for anything you purchase to mitigate damage. - Get a professional assessment before assuming coverage either way. - Report to your insurer promptly. ## When to Call a Professional Right Away - Any sewage backup or Category 3 (black) water - Standing water that's been sitting more than a few hours - Water damage in a rental property - Any water damage you're considering an insurance claim for