COS Water Damage Restoration delivers end-to-end Water Damage Restoration in Newark — from the emergency call through the final walkthrough, with one certified team, one point of contact, and one transparent price.
Crew stationed in Newark — not routed from another region.
Industry credentials that matter.
Xactimate estimate reviewed with you before work begins.
We file, document, and follow the claim to settlement.
Four reasons Newark homeowners and businesses call COS Water Damage Restoration first when water damage strikes — and give us five stars when we're done.
Every technician holds active CA contractor licensing and IICRC WRT certification. Full general liability and workers' comp coverage is in force on every Newark job.
Locally staged equipment and crews mean our Newark response time beats out-of-area contractors every time.
We quote in writing before we start. What you approve is what you pay.
Every Water Damage Restoration job in Newark carries our written satisfaction guarantee. If the result doesn't meet the documented standard, we return and make it right at zero additional cost.
Our Newark Water Damage Restoration team handles every phase of recovery in-house: no subcontracting, no coordination gaps, no handoff problems.
The moment your call connects, our Newark 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.
Industrial LGR dehumidifiers and high-velocity air movers are deployed in calculated configurations based on your Newark property's materials, square footage, and psychrometric conditions. Daily readings at fixed sensor points document the drying progression until all assemblies reach target equilibrium moisture content.
Antimicrobial treatment is applied to all moisture-exposed structural surfaces as a standard preventive step in every Newark 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 Newark claims is part of the service.
One company, start to finish.


Real person, real dispatch. Call +1-844-499-0972 and your Newark crew is moving before you hang up.
Our Newark crew targets on-site arrival in 60 minutes or less, staging extraction equipment and containment supplies during transit so they're productive the moment they arrive.
No work starts without your written approval of the scope and cost.
Written satisfaction guarantee on every Newark job.



"Our Newark 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."
"I was terrified the hardwood floors in our Newark home were gone after the flooding. The COS Water Damage Restoration crew brought in mat drying systems and dried them in place — saved us thousands versus replacement. The project manager called every morning with readings. Outstanding."
"Mold discovered during our Newark 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."
COS Water Damage Restoration provides Water Damage Restoration in Newark and surrounding communities throughout CA. Call +1-844-499-0972 to confirm coverage at your specific address.
Don't let moisture work deeper into your Newark property's structure. One call starts the entire restoration process.
📞 Call +1-844-499-0972 — Newark Emergency Response24/7 Live Dispatch · Licensed & Insured · Free On-Site Assessment · Newark, CA