COS Water Damage Restoration delivers end-to-end Water Damage Restoration in Granville — from the emergency call through the final walkthrough, with one certified team, one point of contact, and one transparent price.
Crew stationed in Granville — not routed from another region.
WRT & ASD certified on every Granville job.
No surprises — flat rate, in writing.
Your adjuster hears from us, not you.
Four reasons Granville 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 Granville, MA — credentials available on request before work begins.
Our Granville-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 Granville is one job at a time. We stand behind every single one.
COS Water Damage Restoration's Water Damage Restoration service in Granville 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 Granville 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 Granville 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 Granville 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 Granville 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 Granville claims is part of the service.
When drying is confirmed complete, our licensed Granville reconstruction team handles all rebuild work — drywall, flooring, painting, trim, structural framing — under the same project manager who ran the restoration phase. No handoff to an unknown subcontractor, no coordination gap, no restart of the communication process.


Real person, real dispatch. Call +1-844-499-0972 and your Granville crew is moving before you hang up.
Our Granville 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 Granville job.



"After a supply line failure soaked our kitchen and part of the living room, COS Water Damage Restoration was at our Granville 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."
"The insurance side of a water damage claim is overwhelming. COS Water Damage Restoration's Granville 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 Granville 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 Granville and surrounding communities throughout MA. Call +1-844-499-0972 to confirm coverage at your specific address.
Don't let moisture work deeper into your Granville property's structure. One call starts the entire restoration process.
📞 Call +1-844-499-0972 — Granville Emergency Response24/7 Live Dispatch · Licensed & Insured · Free On-Site Assessment · Granville, MA