COS Water Damage Restoration delivers end-to-end Water Damage Restoration in Cohasset — from the emergency call through the final walkthrough, with one certified team, one point of contact, and one transparent price.
Crew stationed in Cohasset — not routed from another region.
Industry credentials that matter.
No surprises — flat rate, in writing.
We file, document, and follow the claim to settlement.
Four reasons Cohasset 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 MA contractor licensing and IICRC WRT certification. Full general liability and workers' comp coverage is in force on every Cohasset job.
Our Cohasset-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.
We quote in writing before we start. What you approve is what you pay.
Our reputation in Cohasset is one job at a time. We stand behind every single one.
COS Water Damage Restoration's Water Damage Restoration service in Cohasset covers the complete recovery process — from the first emergency response through mold prevention, structural drying, and full rebuild.
Speed at this phase directly determines how much is salvageable. Our Cohasset crews don't slow down on the way to your property.
Thermal imaging cameras and calibrated moisture meters map the full extent of water migration in your Cohasset 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.
Drying isn't complete until the numbers confirm it — not when a certain number of days have passed.
We don't rebuild over hidden mold risk.
Supplement filing for underpaid Cohasset claims is part of the service.
One company, start to finish.


Real person, real dispatch. Call +1-844-499-0972 and your Cohasset crew is moving before you hang up.
Our Cohasset 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.
Written satisfaction guarantee on every Cohasset job.



"After a supply line failure soaked our kitchen and part of the living room, COS Water Damage Restoration was at our Cohasset home in under an hour. The crew's moisture mapping caught wet wall cavity areas I never would have known about. Five days of drying, a perfectly documented insurance file, and zero mold issues. Exactly what you want from a restoration company."
"I was terrified the hardwood floors in our Cohasset 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 Cohasset 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 Cohasset and surrounding communities throughout MA. Call +1-844-499-0972 to confirm coverage at your specific address.
Water damage in Cohasset gets worse every hour. Our local crew is on standby and can be at your door in under 60 minutes — call now.
📞 Call +1-844-499-0972 — Cohasset Emergency Response24/7 Live Dispatch · Licensed & Insured · Free On-Site Assessment · Cohasset, MA