Charleston property owners dealing with water damage have one smart move: call COS Water Damage Restoration and get a local crew on site within the hour. COS Water Damage Restoration's Charleston-based Water Damage Repair teams are on standby 24/7 with equipment staged and crews briefed.
Positioned in Charleston for fast local response every time.
Every technician holds current WRT certification — the industry standard.
Written estimate in your hands before any work begins.
Works with all major MS insurers.
Water damage in Charleston moves on its own timeline, which is why our local dispatch operation stays fully staffed around the clock, every day of the year — so that when the call comes in at 2 a.m., the crew heading to your door is already mobilized.
Every technician who arrives at your Charleston property carries current IICRC WRT (Water Damage Restoration Technician) certification, a background-check clearance, and familiarity with the specific materials and construction methods common in Charleston's housing stock.
Our reputation in Charleston is built on one job at a time — and we protect it by treating every property we work in with the same professionalism we'd want if it were our own home or business being restored.

COS Water Damage Restoration provides comprehensive Water Damage Repair in Charleston — covering every phase from emergency extraction through mold remediation, structural drying, and full reconstruction, all managed by our local Charleston crew.
In Charleston, our emergency extraction crews maintain ready-to-deploy status every hour of every day — because the fastest response to flooding directly determines how much of your property can be saved. Charleston's Water Damage Repair emergency calls include everything from clean water supply line failures to contaminated sewage backflows, and our crews are trained and equipped for every category of water damage — with the right PPE, containment protocols, and extraction methods for each situation.
Our residential restoration teams in Charleston are experienced across the full range of home types found in the area — older homes with original hardwood and plaster, newer construction with engineered materials and finished basements, and everything in between. Daily check-ins from your project manager keep you informed throughout the drying cycle, and reconstruction doesn't begin until documented moisture readings confirm every structural assembly has reached target levels.
COS Water Damage Restoration's commercial restoration operation in Charleston is built for speed and scale — with crew sizes that grow to meet the scope of the loss, equipment inventories that cover large square footages, and project management that keeps business owners and property managers informed without requiring them to micromanage the process. Commercial jobs in Charleston receive a dedicated project manager who handles all carrier communication, adjuster scheduling, supplement filing, and daily progress reporting — leaving business owners and property managers free to focus on their operations rather than managing a restoration project.
COS Water Damage Restoration's mold remediation team in Charleston follows IICRC S520 protocols — the industry standard for safe and effective mold removal — and documents every step of the process so you have a verifiable record of what was found, what was done, and what clearance testing confirmed. HEPA filtration, containment barriers, negative air pressure, and proper PPE are standard on every Charleston mold remediation job — protecting your household members and our crews from exposure to dislodged spores during the removal process.
The goal of structural drying isn't just to make the air feel dryer or to run fans for a few days — it's to return every material in the affected area to its documented equilibrium moisture content, verified by calibrated instruments, before any reconstruction begins. We deploy industrial LGR dehumidifiers and high-velocity air movers in a calculated configuration based on the square footage, material types, and psychrometric conditions specific to your Charleston property — not a one-size-fits-all equipment drop.
Charleston property owners dealing with water damage face two simultaneous challenges: the physical restoration of their property, and the administrative challenge of filing and navigating an insurance claim. Our approach to insurance coordination in Charleston is built on the principle that your policy was paid to cover a genuine loss, and our job is to make sure it pays what it's supposed to.



Our Charleston crew is on standby — call now and someone is heading to your door in under an hour.
📞 Call +1-844-499-0972 — Charleston Emergency LineSpeed, transparency, local expertise, and accountability — here's how COS Water Damage Restoration delivers all four for Charleston property owners.
When you call COS Water Damage Restoration in Charleston, the crew that shows up actually works here.
In Charleston neighborhoods we know well, our response times are frequently even faster than our stated target.
Flat-rate pricing means the number on your estimate matches the number on your final invoice, assuming no scope changes.
IICRC WRT certification is the baseline requirement for every technician we deploy in Charleston — no unlicensed laborers, no trainees working without supervision.
We invest in the equipment that produces the outcomes our Charleston customers review five stars for.
We file the claim, deal with the adjuster, and fight for a fair settlement — so you don't have to learn the insurance claims process on top of dealing with a flooded property.
We're accountable for our work because our reputation in Charleston is built one job at a time, and we take that seriously.
One contact, complete accountability, from start to finish.
Here's exactly what happens when you call COS Water Damage Restoration for water damage in Charleston, from the moment the phone rings to the day we hand your property back.
Your dispatcher gathers the essential information, identifies the closest available Charleston crew, and dispatches them immediately — all within the first few minutes of your call.
Our crew arrives at your Charleston property and immediately begins a systematic assessment — identifying every water entry point, mapping moisture migration with detection instruments, and classifying the water category (clean, gray, or black water).
We extract completely and transition directly to drying setup without an overnight gap where mold begins to grow.
Equipment stays until documented readings confirm completion — not until a certain number of days has passed.
A written remediation report is issued that documents every action taken and every clearance measurement recorded.
Our licensed reconstruction team handles all Charleston rebuilding work — drywall, flooring, painting, trim, and structural repairs — under the same project management as the restoration phase.
That local familiarity translates into faster arrival, fewer logistical delays, better-informed scope assessments, and the kind of personal accountability that comes from knowing your work might be reviewed by someone who lives down the street.
Our Charleston technicians bring this material-specific knowledge to every assessment and use it to build drying plans that work for your specific property rather than applying a generic template.
Charleston's weather patterns contribute to the types of water damage events we see most frequently here — and our crews are prepared for the specific scenarios that Charleston property owners face more often than those in other markets.
Water damage restoration costs in Charleston vary based on several factors: the volume of water, the category of water (clean vs. contaminated), the materials affected, the square footage involved, and the extent of mold risk. Most residential water damage events in Charleston fall within a range that homeowner insurance covers significantly, which is why our insurance coordination service is so valuable — we help make sure your policy pays what it should so your out-of-pocket is minimal. Call +1-844-499-0972 for a free on-site estimate with no obligation to proceed — we'll give you a clear picture of scope and cost before you commit to anything.
COS Water Damage Restoration's goal is to make the worst part of dealing with water damage — that initial frantic hour — as manageable as possible, and we start doing that the moment you pick up the phone.
📞 Call +1-844-499-0972 — Free Charleston Assessment

Read what Charleston customers consistently say about response time, professionalism, pricing, and results.
"We had a washing machine overflow that soaked the laundry room and wicked into the adjacent bedroom overnight before we noticed it. I found it in the morning and called COS Water Damage Restoration immediately. Their crew was at my Charleston house in 55 minutes — which was remarkable given that I called at 7 a.m. on a Saturday. They found moisture under the bedroom baseboard that I never would have caught, set up drying equipment that ran for five days, and the project manager called me with readings every morning. No mold, no lingering smell, and the claim went through without a single request for additional documentation. Absolute professionals."
"The burst pipe situation in our Charleston rental unit was a nightmare — the tenants called me at midnight, the unit was partially flooded, and I had no idea how bad it was. COS Water Damage Restoration's crew was on site before I could even get there myself. By the time I arrived, extraction was underway and the project manager was already walking through the damage assessment with photos. I had a full scope and estimate in my email before 2 a.m. The restoration was completed on schedule, within the estimated cost, and my tenant was back in the unit within two weeks. Outstanding."
"Mold found during the renovation of our Charleston home led us to COS Water Damage Restoration for remediation. The discovery was stressful — we didn't know how extensive it was or what it meant for the timeline of our project. The COS Water Damage Restoration team came in, assessed it thoroughly, explained exactly what they found and what the IICRC-compliant remediation process looked like, and completed the job on time. The post-remediation air testing came back clear, the report they provided satisfied our contractor and our insurer, and we were back on schedule within a week. Professional from beginning to end."
We believe informed customers make better decisions and have better restoration experiences. Here are the most common questions our Charleston clients ask before and during their restoration projects.
Zip codes served in and around Charleston are listed below — if yours isn't shown, call +1-844-499-0972 to confirm coverage for your specific address.
Give us a call to confirm service at your specific location in or near Charleston.
📞 Call +1-844-499-0972 — Confirm Charleston CoverageYour Charleston property is worth protecting — and the sooner you call, the less it will cost to restore it. COS Water Damage Restoration is standing by right now. Call +1-844-499-0972.
📞 Call +1-844-499-0972 — Charleston Emergency Response24/7 Live Dispatch · Licensed & Insured in Charleston, MS · No Voicemail · Free Assessment