What to Do in the First 30 Minutes After Discovering Water Damage in San Antonio
Finding water where it shouldn't be is stressful, but the first half hour matters, and you can handle it step by step. Whether the cause is a burst pipe, a failed water heater, a roof leak after a Hill Country storm, or a slab leak, this checklist keeps you safe and protects your home and your insurance claim.
Minutes 0–5: Safety First
Assume electricity and water are a dangerous mix.
- Stay out of rooms with standing water if outlets, appliances, or cords are submerged or near the water.
- If it is safe to reach your breaker panel without stepping through water, turn off power to the affected area, or the whole house if you're unsure. If the panel is in a wet area, don't approach it. Call CPS Energy or a licensed electrician for guidance.
- Don't use electronics, space heaters, or ceiling fixtures that may be wet. A bulging ceiling holding water can also be a hazard, so keep people and pets away from it.
- Smell gas or see sparks? Leave the home and call 911 from outside.
Minutes 5–10: Stop the Source
- Indoor plumbing leak: Shut off the main water valve. It's usually near the street meter, on an exterior wall, or in a garage. For a single fixture, such as a toilet, sink, or washing machine, use the shutoff valve beneath or behind it.
- Water heater failure: Turn off the cold-water supply to the tank, and switch off the power or gas to the unit.
- Roof leak: Once it's safe, place buckets and move belongings out of the drip zone. Don't climb onto a wet roof.
- Can't find the source? If your water bill has been unusually high, or you hear running water with everything off, you may have a hidden or slab leak. San Antonio's shifting clay soil can stress pipes under foundations. A professional can pinpoint it.
Be Careful With Sewage or Floodwater
If the water is gray, brown, or smells like sewage, treat it as contaminated. That includes backups from toilets or floor drains, and water that came in from outside during flooding.
- Avoid direct contact, and keep children and pets away.
- Wear waterproof boots and gloves if you must enter.
- Don't try to clean it up yourself with household products.
- Leave it for trained professionals.
Minutes 10–20: Document Everything
Before you move or discard anything, record the damage. Insurance adjusters rely on clear evidence.
- Take wide photos and video of each affected room, then close-ups of damaged walls, floors, ceilings, and belongings.
- Capture the source, such as the broken pipe, failed appliance, or roof stain.
- Note the time you discovered the problem and what you did to stop it.
- Make a quick list of damaged items, with approximate age and value if you can recall them.
- Keep damaged items when possible until your insurer has had a chance to review them.
Save everything in the cloud or send it to yourself so it isn't lost.
Minutes 20–30: Limit Further Damage and Make Calls
Reduce what you can safely control:
- Move small furniture, rugs, electronics, and valuables to dry areas.
- Lift upholstered furniture legs onto foil or plastic blocks to prevent staining.
- Remove standing water only if it's clean and the power is off. A mop or towels are fine for small amounts.
- Open windows if the weather allows, or run the AC to help air circulate. San Antonio's humid months make this more urgent, since damp materials can develop mold growth within a day or two.
Then make two calls:
- Your insurance company or agent. Ask how to start a claim and what they need from you. Policies differ on what's covered. For example, flooding from outside is often handled separately from a burst pipe, so review your own policy or ask your agent.
- A certified restoration company. Professionals use extraction pumps, moisture meters, and industrial drying equipment that household fans and towels can't match. Acting quickly generally means less demolition and lower repair costs.
What Not to Do
- Don't use a household vacuum on water.
- Don't turn on ceiling fans or lights under a wet ceiling.
- Don't start tearing out walls or flooring before documenting them.
- Don't ignore damp areas just because they look dry on the surface. Moisture can remain inside walls and subfloors.
- Don't sign a contract under pressure. Take a moment to confirm credentials.
Quick Reference Checklist
- ✅ Power off in affected areas, if safe
- ✅ Water source stopped
- ✅ Contaminated water avoided
- ✅ Photos and video captured
- ✅ Valuables moved to dry space
- ✅ Insurance contacted
- ✅ Restoration professional on the way
Need Help Right Now?
You don't have to search through dozens of listings while water is spreading. Homeowners in San Antonio can call 844-7-RESTORE or visit restoration.com.co to be matched with a certified local restoration company, free of charge.
This guide offers general information only and isn't a substitute for professional, insurance, or legal advice specific to your situation.