When water has damaged your Corona property, every hour without professional intervention expands the loss. Our IICRC-certified Water Damage Restoration team arrives fast, assesses completely, and restores systematically — from initial extraction through final reconstruction.
Locally based for fast, reliable response.
WRT & ASD certified on every Corona job.
Xactimate estimate reviewed with you before work begins.
Your adjuster hears from us, not you.
Four reasons Corona homeowners and businesses call COS Water Damage Restoration first when water damage strikes — and give us five stars when we're done.
Fully licensed for restoration and reconstruction work in Corona, NY — credentials available on request before work begins.
Locally staged equipment and crews mean our Corona response time beats out-of-area contractors every time.
We quote in writing before we start. What you approve is what you pay.
Our reputation in Corona is one job at a time. We stand behind every single one.
COS Water Damage Restoration's Water Damage Restoration service in Corona covers the complete recovery process — from the first emergency response through mold prevention, structural drying, and full rebuild.
The moment your call connects, our Corona restoration dispatcher starts building your response. Extraction crews arrive with truck-mounted systems capable of removing high volumes of water rapidly — limiting saturation time and reducing the overall restoration scope.
Every affected assembly is documented with instrument readings before drying begins.
Drying isn't complete until the numbers confirm it — not when a certain number of days have passed.
Antimicrobial treatment is applied to all moisture-exposed structural surfaces as a standard preventive step in every Corona Water Damage Restoration job. Where mold growth is identified, IICRC S520-compliant remediation — with HEPA containment, negative air pressure, and clearance testing — is performed before reconstruction begins.
Supplement filing for underpaid Corona claims is part of the service.
One company, start to finish.


Real person, real dispatch. Call +1-844-499-0972 and your Corona crew is moving before you hang up.
Local crews mean local speed — we know Corona's roads and we move fast.
A thorough walk-through with moisture instruments and thermal imaging establishes the full scope of loss. You receive a written, itemized Xactimate estimate before any work begins — signed off by you before the first tool is placed.
Written satisfaction guarantee on every Corona job.



"Our Corona business had a roof-to-slab water event on a Thursday night. By Friday morning COS Water Damage Restoration had extracted everything, staged drying equipment, and given me a documented scope I could hand directly to my adjuster. We were operational again the following week. Truly professional."
"The insurance side of a water damage claim is overwhelming. COS Water Damage Restoration's Corona team handled everything — filed the first notice, attended the adjuster visit, and got us a fair settlement. I didn't make a single insurance phone call myself."
"Mold discovered during our Corona renovation led us to COS Water Damage Restoration. The remediation was thorough, the clearance report was accepted by our contractor and insurer on the first submission, and we were back on schedule within the week."
Our Corona-based crew serves the surrounding area — if you're not sure whether we cover your location, call +1-844-499-0972 for instant confirmation.
Don't let moisture work deeper into your Corona property's structure. One call starts the entire restoration process.
📞 Call +1-844-499-0972 — Corona Emergency Response24/7 Live Dispatch · Licensed & Insured · Free On-Site Assessment · Corona, NY