When water has damaged your Berkeley 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.
Industry credentials that matter.
Xactimate estimate reviewed with you before work begins.
We file, document, and follow the claim to settlement.
Here's what separates COS Water Damage Restoration's Water Damage Restoration service from every other option in Berkeley.
Every technician holds active CA contractor licensing and IICRC WRT certification. Full general liability and workers' comp coverage is in force on every Berkeley job.
Our Berkeley-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.
Every Water Damage Restoration job in Berkeley 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 Berkeley Water Damage Restoration team handles every phase of recovery in-house: no subcontracting, no coordination gaps, no handoff problems.
Speed at this phase directly determines how much is salvageable. Our Berkeley crews don't slow down on the way to your property.
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.
We don't rebuild over hidden mold risk.
Our Berkeley claim coordinators build your documentation file from day one: structured photo evidence, moisture data logs, equipment placement records, and an Xactimate scope of work that matches your carrier's estimating platform. We file, communicate with your adjuster, and follow the claim through to settlement so you don't have to.
When drying is confirmed complete, our licensed Berkeley 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 Berkeley crew is moving before you hang up.
Local crews mean local speed — we know Berkeley's roads and we move fast.
No work starts without your written approval of the scope and cost.
Written satisfaction guarantee on every Berkeley job.



"Our Berkeley 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 Berkeley 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."
"Three companies quoted our Berkeley water damage restoration. COS Water Damage Restoration was the only one who walked every room with instruments before quoting, explained each line of the estimate, and committed to the timeline in writing. They came in on time, on scope, and the claim went through without a single supplemental dispute."
COS Water Damage Restoration provides Water Damage Restoration in Berkeley and surrounding communities throughout CA. Call +1-844-499-0972 to confirm coverage at your specific address.
Water damage in Berkeley 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 — Berkeley Emergency Response24/7 Live Dispatch · Licensed & Insured · Free On-Site Assessment · Berkeley, CA