Back to Blog
Water DamageMay 18, 2026SureDry Restoration

Water Damage in Pomona, CA: First 24 Hours Checklist

Water Damage in Pomona, CA: First 24 Hours Checklist

Your Pomona home just took on water — burst pipe, slab leak, or sewer backup. The next 24 hours determine whether your final bill is $2,000 or $20,000.

This guide walks through the first 24 hours water damage checklist for Pomona homeowners with Inland Empire-specific guidance for slab leaks, CA insurance claims, and landlord-tenant scenarios.

Key Takeaways

  • Hours 0-1: stop the source, ensure safety, document everything with photos.
  • Hours 1-4: extract standing water, contact your insurance carrier, call a local IICRC-certified restoration team.
  • Hours 4-24: remove unsalvageable materials, begin commercial drying, prevent secondary damage.

Hour 0-1: Safety + Source Stop

1. Shut Off Water Source

For plumbing leaks: shut off the main water valve (usually outside near front of house, or in garage). For slab leaks: same plus call a leak detection specialist immediately. For roof leaks: place buckets and tarp the breach if safe.

2. Kill Power to Affected Areas

If water touches outlets, electrical panels, or appliances, kill power at the breaker. Do not enter standing water with energized circuits.

3. Move People + Pets to Safety

Sagging ceilings or buckled floors signal structural risk. Evacuate immediately if anything looks unsafe.

4. Document with Photos and Video

Take photos of every affected room from multiple angles. Video walk-through. Close-ups of damaged contents. Date-stamp everything. Insurance adjusters and CA disclosure laws need this documentation.

Hour 1-4: Water Extraction + Calls

5. Extract Standing Water

For more than 1 inch of standing water, rent a wet/dry shop vac or call professionals. Standing water more than 4 hours saturates flooring underlayment and subfloor.

6. Contact Your Insurance Carrier

Per III data, water damage averages $13K per claim. Open the claim within 24 hours; describe cause and damage scope. Get the claim number.

7. Call a Local IICRC-Certified Restoration Company

Local Pomona crews can be onsite within 60-90 minutes. Direct insurance billing should be standard.

Hour 4-24: Drying + Damage Control

8. Move Salvageable Contents to Dry Area

Furniture, electronics, paper goods, photos, books, rugs need to come out of the wet zone.

9. Remove Unsalvageable Materials

Wet drywall over 12 hours, wet carpet pad, wet insulation need to come out. Per EPA guidance, drying these in place rarely works.

10. Begin Commercial Drying

Commercial-grade dehumidifiers and high-velocity air movers run continuously for 3-5 days.

Pomona-Specific Scenarios

Slab Leaks

Inland Empire has high slab-leak rates due to expansive soil. Slab leak repair = leak detection ($300-$500) + slab cut/repair ($2K-$5K) + water restoration ($2K-$8K). Insurance covers sudden slab leaks; gradual leaks may face partial denial.

CA Earthquake Damage

Earthquake-caused water damage requires SEPARATE earthquake insurance (CA Earthquake Authority policies). Standard homeowners excludes. Document earthquake date and timestamp damage.

Rental Property (Landlord-Tenant)

Per CA DPH guidance and Civil Code 1941.7, landlords must address health-affecting water/mold damage in reasonable time. Tenants document with photos and written notice. Restoration company can document for both parties.

When DIY Is NOT Enough

Call professionals immediately if: more than 100 sqft wet, Cat 2 or Cat 3 water, wet for over 24 hours, structural materials affected (drywall, hardwood, insulation), or insurance claim involved.

Frequently Asked Questions

What to do in the first hour after water damage?

Stop the source, kill power, evacuate if structural risks, document with photos, then start contacting insurance and restoration. Speed in the first hour saves thousands later.

Should I call insurance or restoration first?

Call restoration first if water is actively spreading — they can stop further damage while you call insurance. Otherwise call insurance first to open the claim, then restoration. Many restoration companies handle direct insurance billing.

Can I clean water damage myself?

For under 100 sqft of clean water (Cat 1) caught within hours, DIY drying with rented equipment is feasible. Anything larger, longer, or contaminated needs professional restoration.

When does mold start growing after water damage?

Per CDC, mold begins within 24-48 hours. Pomona inland climate may slow this to 48-72 hours; humid microclimates compress to 24 hours.

Pomona Water Damage? Get a Pro Onsite Within the Hour.

SureDry Restoration provides 60-90 minute response across Pomona, Claremont, La Verne, San Dimas, Diamond Bar, Chino with IICRC certification and direct insurance billing. Visit our water damage page for a free written estimate.