Free tool · for restoration contractors
Water Damage Restoration Cost Calculator
Water mitigation is priced by affected square footage, the water category (1 clean, 2 grey, 3 black), and the class of saturation — roughly $3–$12 per sq ft, with most U.S. jobs landing between $1,300 and $6,400. Enter the area, pick the category and class, and get an instant ballpark from real 2026 market rates.
Floor area touched by water, not the whole structure.
Whole room, carpet + wicking ≤24in
Estimated mitigation + restoration
$1,200 – $1,800
Typical scope lands near $1,500
Typical US market ranges, 2026. Estimate, not a quote. Repairs/rebuild, mold, and contents are billed separately.
Typical US market ranges, 2026. Estimate, not a quote.
How water damage pricing works
Square footage sets the base
Mitigation is priced on the floor area actually touched by water, not the whole home. More wet area means more extraction, more air movers, and more dehumidifier days.
Category drives the rate
The IICRC S500 water category is the biggest lever. Clean Cat 1 water dries fast; grey Cat 2 needs antimicrobial; black Cat 3 adds containment, PPE, and contaminated disposal — which is why it can cost three to four times as much.
Class adds drying complexity
The S500 class — from a small Class 1 spill to Class 4 specialty drying of hardwood and concrete — sets how much equipment and how many drying days the job takes, and scales the estimate accordingly.
On insurance claims, carriers expect this scope as line items in Xactimate — each task priced at a regional unit cost and backed by moisture readings and a drying log. A per-square-foot estimate is the fast field ballpark; the billed number comes from the documented scope.
| Water category | Typical rate | Notes |
|---|---|---|
| Category 1 — clean water | $3.00 – $4.50 / sq ft | Supply lines, sink overflows, rainwater. No contamination. |
| Category 2 — grey water | $4.00 – $7.00 / sq ft | Dishwasher, washer, toilet overflow (no feces). Antimicrobial added. |
| Category 3 — black water | $7.00 – $12.00 / sq ft | Sewage, flooding, groundwater. Disposal + heavy remediation. |
Rates are typical US market ranges for 2026 and are estimates, not quotes. Reconstruction (rebuild) runs ~$20–$37/sq ft and is billed separately. Mold remediation and contents are additional. Your costs, region, and the documented scope set the real number.
Water damage pricing FAQ
How much does water damage restoration cost?
Most U.S. water damage restoration runs $1,300 to $6,400, with a national average near $3,900. Mitigation and drying are priced per affected square foot — roughly $3.00–$4.50/sq ft for clean Category 1 water, $4.00–$7.00/sq ft for grey Category 2, and $7.00–$12.00/sq ft or more for black Category 3. Reconstruction (rebuild) is billed separately, often $20–$37/sq ft.
What are water Categories 1, 2, and 3?
They come from the IICRC S500 standard. Category 1 is clean water from a sanitary source (a supply line or rainwater). Category 2 (grey water) carries some contamination — a dishwasher, washing machine, or toilet overflow without feces. Category 3 (black water) is grossly contaminated: sewage, ground flooding, or any Cat 1/2 water left long enough to grow bacteria. Cost rises sharply with category because of antimicrobial treatment, containment, and disposal.
Why does the same leak cost more if I wait?
Untreated Category 1 water can escalate to Category 2 or 3 within 24–48 hours as bacteria multiply and materials wick moisture. The job also climbs a class of saturation as water spreads into walls, subfloor, and insulation, adding drying days and equipment. Fast mitigation is the cheapest version of the job.
What does the class of water damage mean?
Class is the IICRC S500 measure of how much material is wet and how hard it is to dry. Class 1 is a small area with little absorption; Class 2 is a whole room with carpet and wicking up the walls; Class 3 is saturation from overhead into ceilings, walls, and insulation; Class 4 is specialty drying of low-evaporation materials like hardwood, plaster, and concrete. Higher classes mean more air movers, dehumidifiers, and drying days.
How do restoration contractors actually price these jobs?
On insurance work, carriers expect line-item pricing in Xactimate, where each task (extraction, air mover per day, dehumidifier, antimicrobial, drywall removal) has a regional unit cost. A per-square-foot estimate like this one is a fast field ballpark; the billed amount comes from the documented scope, moisture readings, and drying log. RestorationPro turns that approved scope into tasks, equipment placement, and an adjuster-ready evidence packet.
Is mold removal included in these numbers?
No. These ranges cover water mitigation and structural drying. Mold remediation, contents cleaning, and reconstruction are separate line items. Mold typically adds $1,100–$3,400 depending on affected area and containment, and sewage (Category 3) jobs frequently require it.
Scope, document, and bill jobs like this with RestorationPro.
A field ballpark gets you in the door. RestorationPro turns the approved Xactimate scope into tasks and equipment placement, logs the drying and moisture readings as you go, and ships an adjuster-ready evidence packet in one link — so the claim gets paid.
Stand up a workspace in ~30 minutes. No credit card to start.