What will your
water damage
actually cost?
Adjust the sliders, pick your materials and get a real estimate — not a vague range. Built on IICRC S500 pricing and regional labor data for all 50 states.
Water Damage Repair Cost Calculator
Fill in what you know — you don't need every measurement to get a useful number. The estimate updates as you go.
Estimate for planning purposes. Final cost requires site inspection and moisture mapping.
Act within 24–48 hours
- Mold begins colonizing wet materials in as little as 24 hours
- Structural weakening accelerates after 48 hours of saturation
- Every day of delay widens the rebuild scope and the bill
How to get an accurate water damage estimate
Classify the water
Clean supply line, grey appliance discharge or black sewage — this single choice moves the estimate more than anything else.
Measure the area
Length × width of each wet space. Add wall surfaces if moisture wicked above floor level.
Note standing depth
Use the current level or the tide mark on walls. Each inch adds meaningful extraction time.
Pick your materials
Check every affected material — drywall, flooring, ceiling, insulation, cabinets and trim.
Add your deductible
Enter your insurance deductible to see your true out-of-pocket cost before deciding whether to file a claim.
How much does water damage repair cost?
The real answer depends on five things: water category, square footage, materials, how fast you acted, and where you live. Here's what you can actually expect to pay.
What goes into a water damage estimate
A legitimate water damage estimate breaks down into four buckets: extraction and drying (the emergency phase), demolition (removing materials that can't be saved), materials (replacement drywall, flooring, insulation) and labor (installation, finishing, cleanup). Mold remediation, permits and reconstruction are separate line items added when the scope warrants them.
Most restoration contractors use Xactimate pricing software to build scopes that align with insurance adjuster expectations. Our calculator uses the same underlying unit rates, which is why our estimates typically land within 10–15% of actual bids for standard jobs.
Cost per square foot breakdown
| Severity | $/ft² | 500 ft² | 1,000 ft² |
|---|---|---|---|
| Minor | $5–$8 | $2,500–$4,000 | $5,000–$8,000 |
| Moderate | $10–$15 | $5,000–$7,500 | $10,000–$15,000 |
| Severe | $20–$30 | $10,000–$15,000 | $20,000–$30,000 |
| Catastrophic | $35–$60 | $17,500–$30,000 | $35,000–$60,000 |
Material replacement costs
| Material | Cost |
|---|---|
| Drywall / Walls | $2.50–$5.50/ft² |
| Hardwood Flooring | $8–$15/ft² |
| Carpet & Pad | $3.50–$7/ft² |
| Ceiling Drywall | $4.50–$8.50/ft² |
| Insulation (batt) | $1.50–$3/ft² |
| Cabinets | $150–$450/lin ft |
| Baseboards | $3–$7/lin ft |
When to replace vs. dry in place
Drywall that has been wet for more than 24 hours or was exposed to Cat 2/3 water should almost always be replaced — not dried. The paper facing absorbs moisture and creates a perfect mold substrate. Hardwood floors may cup but can often be refinished if dried within 24–48 hours. Carpet and pad exposed to any contaminated water should be removed.
Water damage repair cost by room
Each room carries different material density, access difficulty and drying challenges. Basements are the most expensive per job; bathrooms are the most common.
Basement
Concrete slabs take 7–14 days to dry. Finishing materials are often substandard, but volume makes up for it. Sump pump failure and external water intrusion are common causes.
Bathroom
Tile conceals damage until subfloor rot sets in. Plumbing access adds labor. Behind-wall leaks from supply lines are the most common source and the easiest to miss.
Kitchen
Dishwasher and refrigerator leaks soak under cabinets before being noticed. Cabinet replacement is the biggest cost driver here — particle board swells and can't be salvaged.
Living Room
Hardwood and carpet are the primary cost variables. Open floor plans mean faster drying but larger affected areas. Often involves ceiling repairs from above-floor leaks.
Ceiling
Water-stained ceilings that haven't been structurally compromised may only need sealing and repainting. Sagging drywall must be cut out — never ignore a bubble or soft spot.
Whole House
Catastrophic flooding from burst mains, river overflow or storm surge. Requires full structural dry-out, mold protocol, HVAC cleaning and typically partial rebuild.
Water damage repair cost by region
Labor is the biggest regional variable. The Northeast and West Coast run 15–25% above the national baseline; the Midwest and Southeast run 5–10% below.
| Region | Labor Multiplier | $5,000 National Avg | $10,000 National Avg | Key States |
|---|---|---|---|---|
| Northeast | +20% | $6,000 | $12,000 | NY, NJ, MA, CT, PA |
| West Coast | +15% | $5,750 | $11,500 | CA, WA, OR, HI |
| Midwest (baseline) | Base | $5,000 | $10,000 | OH, IL, MI, MN, WI |
| Southeast | +5% | $5,250 | $10,500 | FL, GA, TX, NC, SC |
| Southwest | Base | $5,000 | $10,000 | AZ, NM, NV, UT |
| Mountain | Base | $5,000 | $10,000 | CO, ID, MT, WY |
Clean, grey or black water — does it matter?
More than almost anything else you can tell a contractor. The water category determines the decontamination protocol, required PPE, demolition scope and how much of your home needs to come out.
| Category | Source | Cost impact |
|---|---|---|
| Cat 1 — Clean | Supply lines, rain, ice dams, clean appliance overflow | Baseline |
| Cat 2 — Grey | Dishwasher, washing machine, toilet overflow (no feces) | +35–50% |
| Cat 3 — Black | Sewage backups, river flooding, storm drainage, rising groundwater | +80–110% |
Category 3 (black water) cleanup cost
Black water jobs are expensive because they can't be cut short. Every contaminated material must come out — no exceptions. Porous materials (drywall, insulation, carpet) absorb pathogenic bacteria that can't be killed in place. Typical Cat 3 remediation on a 600 ft² basement runs $8,000–$18,000 before rebuild costs.
Technicians must work in full PPE (Tyvek suits, respirators, nitrile gloves), dispose of all contaminated materials as biohazard waste and apply EPA-registered antimicrobial treatments. This is not a DIY project.
How long does water damage take to dry?
Drying timelines with professional equipment:
| Material | Drying time |
|---|---|
| Drywall (1 inch deep) | 2–4 days |
| Hardwood flooring | 3–7 days |
| Concrete slab | 7–14 days |
| Framing lumber | 5–10 days |
| Insulation | Replace — never dries cleanly |
Drying is confirmed by moisture meter readings, not by how things look or feel. A wall that appears dry may have moisture readings 3–4× above normal just 2 inches in. Professional monitoring typically runs daily meter checks across multiple points.