Water Damage Repair Cost Calculator
Get an instant free estimate for water damage mitigation, extraction, and restoration services.
How is Water Damage Cost Calculated?
Costs are divided into two phases: Mitigation (stopping the water, extraction, drying) and Restoration (repairs). Pricing increases significantly as the water category degrades from Clean (Cat 1) to Toxic (Cat 3).
Calculate Your Estimate
Project Location
Choose which state the project is located.
Damage Details
Size of area and water type determine the cost.
Water Category
Scope of Work
Additional Services:
Key Factors Influencing Restoration Rates
Water Category
Category 1: Clean water (supply line). Saving materials is possible.
Category 3: Black water (sewage). Everything porous (carpet, drywall) must be removed, increasing labor and disposal costs.
Class of Water
Refers to evaporation rate. Class 4 (water bound in hardwood/concrete) takes specialized drying equipment and longer time than Class 1 (wet carpet).
Average Cost by Scope
| Damage Type | Mitigation Only | Full Restoration |
|---|---|---|
| Small Bath Leak (Clean) | $1,200 – $2,500 | $3,000 – $5,000 |
| Flooded Basement (Grey) | $3,500 – $6,000 | $7,000 – $15,000 |
| Sewage Backup (Black) | $5,000 – $10,000 | $10,000 – $20,000+ |
| Whole House Burst | $10,000+ | $50,000+ |
How to Estimate Water Damage Repair Cost Manually
Water mitigation pricing is standardized by insurance software (Xactimate), largely based on square footage and water category. Speed is critical to prevent mold.
Step 1: Mitigation vs. Reconstruction
Mitigation: Extraction, Drying, Removal of wet materials ($2,000 - $5,000 avg).
Reconstruction: Putting it back together (New drywall, paint, floors). Cost varies wildly but averages 2x mitigation cost.
Step 2: Category Factor
Clean Water (Cat 1): $3.75+ per sq ft.
Grey Water (Cat 2): $6.50+ per sq ft.
Black Water (Cat 3): $10.00+ per sq ft (Requires full tear-out).
Step 3: Equipment Rental
Ideally, you need 1 air mover every 10-15 linear feet of wall and 1 dehumidifier per room. 3 days of rental for a small room is ~$400.
Step 4: Use the Formula
(Affected_SqFt × Category_Rate) + Reconstruction_Cost + Equipment = Total
Example: 500 sq ft Basement Flood (Cat 2 Grey Water) - Extraction & Dry:
(500 sq ft × $7.00) + $500 (Debris) + $0 (No Rebuild) = $4,000 Estimated
Frequently Asked Questions
Will insurance cover water damage?
Usually, yes, if the water source is 'sudden and accidental' (burst pipe). Slow leaks or flood water (rising from outside) often require separate flood insurance or are denied.
How long does it take to dry out?
Standard drying takes 3 to 5 days using professional dehumidifiers and air movers. If materials get wet for longer than 48 hours, mold growth is likely.
What is Category 3 'Black Water'?
Water contaminated with sewage or harmful bacteria. It includes toilet back-ups (with feces) and rising flood waters. Anything touched by Black Water usually must be thrown away.
Do I have to rip out my carpet?
With Clean Water (Cat 1), carpets can often be saved if dried quickly (pad replaced). With Grey or Black water, carpet and padding must always be removed and disposed of.
What about mold?
Mold can start growing in 24-48 hours. Professional restoration includes applying anti-microbial agents. If mold is already visible, specific containment and remediation protocols apply.
Can I stay in the house?
For small leaks, yes. For large floods, sewage backups, or if fans are too loud/hot, you may need to relocate. Insurance often covers 'Additional Living Expenses' (ALE).
Do you repair the drywall too?
Many restoration companies offer 'turn-key' service (Mitigation + Reconstruction). Others only do the drying, and you hire a separate contractor for repairs.
Why do you cut the drywall 2 feet up?
This is a 'flood cut'. Water wicks up drywall like a sponge. Removing the bottom 2-4 feet allows airflow behind the wall to dry the studs and prevent mold.
How much is the deductible?
Homeowner insurance deductibles range from $500 to $2,000+. You pay this amount first, and the insurance pays the rest of the restoration bill.
Is the estimate final?
Restoration is often billed on 'Time and Materials' using Xactimate pricing. The initial estimate is a ballpark; the final bill depends on actual moisture readings and drying time.