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Water damage restoration cost in Knoxville: what the numbers include

Per-square-foot prices cover getting the water out and the structure dry. Rebuilding what was ruined is a second bill, and most surprises come from there.

Updated 2026-11-13 · Written for homeowners, not contractors

Published guides put professional water extraction and drying at roughly $3.10 to $12 per square foot, depending on how contaminated the water is; HomeAdvisor's average for a whole job is $3,868 (range $1,383–$6,369). Those are national figures. We looked for a dated, Knoxville-specific restoration price list and didn't find one, so treat everything here as a starting point for comparing local quotes.

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Extraction and drying, by water category

The sources don't agree with each other, which is why a single "average" is misleading. Here is what each one publishes, per square foot:

CategoryHomeAdvisorAngiHomeGuide
1 — clean (burst supply pipe)$3.50$3.10$4–$6
2 — gray (washer or dishwasher overflow)$5.25$4.65$6–$9
3 — black (sewage, flood water)$7.50$6.60$9–$12

National published estimates; the Angi column comes from its Chicago cost page. Clean water left sitting can degrade to a higher category, so the price can climb while you wait.

What per-square-foot prices leave out

Those rates usually stop at dry. Replacing damaged materials is priced separately:

What got wetPublished national range
Drywall replacement$1.50–$3 per sq ft; $2–$6 including demolition
Flooring, by room$1,200–$5,000 per room
Flooring, by area$2–$50 per sq ft
Hardwood$8–$100 per sq ft
Mold remediation, if drying came late$10–$25 per sq ft; about $1,125–$3,757 per job

HomeAdvisor, HomeGuide and Angi. The plumber's bill for the failed pipe is separate too — see emergency plumber cost in Knoxville.

Crawlspaces and subfloors

None of the published guides we checked prices a crawlspace or a soaked subfloor as its own line. That matters in a house where the supply lines run under the floor: the visible room may be 150 square feet while the wet area underneath is larger.

The industry's drying classes explain why it costs more. Class 1 is the least water to evaporate; Class 4 is water bound in dense materials that need specialty drying. Published whole-job ranges by class run from $150–$500 for Class 1 up to $1,000–$3,000 (HomeAdvisor) or $5,000–$15,000 (HomeGuide) for Class 3. That five-fold gap between two sources for the same class is the best argument for getting an itemized quote.

Ask the crew to write the crawlspace as separate lines: water removal, wet insulation removed, drying equipment, and any subfloor replacement.

Two worked examples

Both use only the national ranges above. They show how a bill stacks up, not what you will pay.

1. Burst supply pipe, 300 sq ft wet, clean water.

2. Sewer backup, 200 sq ft wet, Category 3.

Run your own square footage through the water damage cost calculator.

How the job is billed, and what to ask

Published guides quote this work two ways — by the square foot or as a whole-job price by class — and a quote may use either. Professional drying commonly takes about 1 to 7 days, so the length of the job is a cost question, not just a scheduling one.

Where insurance comes in

A standard homeowners policy generally covers sudden, accidental water from plumbing, but not the repair of the pipe that failed, and you pay your deductible first. If the cleanup in example 1 came to $2,520 and your deductible were $1,000, the most the policy would pay toward it is $1,520. On a small Category 1 job, the claim may barely clear the deductible.

Example 2 is a different story: sewer and drain backup is excluded unless you bought a water backup endorsement, and creek or river flooding needs a separate flood policy.

What the adjuster will want:

The Tennessee side of this, including the state's complaint line, is in homeowners insurance and water damage in Tennessee. For how the cleanup itself works, see water damage cleanup in Knoxville.

This page is general information, not insurance or legal advice.

Need a real number for your house?
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Sources

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