When water has damaged your Locust Valley 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.
Crew stationed in Locust Valley — not routed from another region.
WRT & ASD certified on every Locust Valley job.
Xactimate estimate reviewed with you before work begins.
Your adjuster hears from us, not you.
Four reasons Locust Valley 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 NY contractor licensing and IICRC WRT certification. Full general liability and workers' comp coverage is in force on every Locust Valley job.
Our Locust Valley-based crews target 60-minute on-site response. We don't route your emergency through a regional call center — local dispatch means faster arrival and better outcome.
Xactimate-based scope of work reviewed with you before any equipment is placed. The estimate you approve is the invoice you receive — no hidden line items, no after-the-fact surprises.
Every Water Damage Restoration job in Locust Valley carries our written satisfaction guarantee. If the result doesn't meet the documented standard, we return and make it right at zero additional cost.
COS Water Damage Restoration's Water Damage Restoration service in Locust Valley covers the complete recovery process — from the first emergency response through mold prevention, structural drying, and full rebuild.
The moment your call connects, our Locust Valley 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.
Thermal imaging cameras and calibrated moisture meters map the full extent of water migration in your Locust Valley property — identifying affected wall cavities, subfloor assemblies, and ceiling materials that aren't visible on the surface. A complete damage picture drives a more accurate scope and a faster insurance claim.
Industrial LGR dehumidifiers and high-velocity air movers are deployed in calculated configurations based on your Locust Valley 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.
We don't rebuild over hidden mold risk.
Supplement filing for underpaid Locust Valley claims is part of the service.
One company, start to finish.


Real person, real dispatch. Call +1-844-499-0972 and your Locust Valley crew is moving before you hang up.
Our Locust Valley 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.
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.
Extraction, drying, remediation, and reconstruction proceed under daily monitoring and documented progress reporting. The job isn't complete until final moisture readings confirm success and you've conducted the walkthrough with your project manager.



"Our Locust Valley 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 Locust Valley 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 Locust Valley 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 Locust Valley-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 Locust Valley property's structure. One call starts the entire restoration process.
📞 Call +1-844-499-0972 — Locust Valley Emergency Response24/7 Live Dispatch · Licensed & Insured · Free On-Site Assessment · Locust Valley, NY