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New Hampshire pricing

Hardwood Floor Refinishing Cost Calculator — New Hampshire

Estimate what sanding and refinishing your existing hardwood should cost. Every figure below is already adjusted for New Hampshire labor and material pricing.

Verified August 2026

Does floor refinishing cost cost more in New Hampshire?

+10% versus the national baseline

Many small towns enforce the state code with part-time inspectors, so scheduling inspections — not obtaining the permit — is the usual bottleneck. Permit fees here run about -8% off the national average, and Homeowner permits allowed on owner-occupied property

Estimated total cost

$4,727 – $6,713

Cost per square foot
$6
Stair treads
$0

Estimates only. Local pricing, site conditions and code requirements change the real number.

What changes the number in New Hampshire

Local cost indexAbove the national baseline1.10x national
Permit fee index0.92x national
Code basisStatewide code appliesNew Hampshire State Building Code, based on the IRC
Owner-builder postureHomeowner permits allowed on owner-occupied property
Largest marketsManchester, Nashua, Concord

The formula

Cost = area x base rate x condition multiplier + stain + stairs

Water-based finishes cure faster and smell less but cost about 25% more than oil-based polyurethane.

Frequently asked questions

How much does it cost to refinish hardwood floors?

Most projects run $3.50 to $7.00 per square foot in 2026, or roughly $1,800 to $4,500 for a typical main floor.

Refinish or replace?

If the boards are at least 3/4 inch thick and structurally sound, refinishing costs about a third of replacement and lasts 8 to 12 years.

Sources

Sources & verification

Last verified August 2026. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing — they are not quotes. Permit rules change; confirm with the building department before starting work.