Washington pricing

Carpet Installation Cost Calculator — Washington

Estimate carpet cost by area and grade, including padding, stairs and old carpet removal. Every figure below is already adjusted for Washington labor and material pricing.

Verified August 2026

Does carpet cost cost more in Washington?

+16% versus the national baseline

The State Energy Code is among the most demanding in the country and is pushing heat pumps to the default HVAC replacement, which changes both cost and rebate eligibility. Permit fees here run about 15% off the national average, and Homeowner permits allowed on owner-occupied property

Floor area(sq ft)

Carpet grade

Padding per sq ft($)

Install labor per sq ft($)

Stairs

Remove old carpet

Estimated total cost

$5,396 – $7,665

Cost per square foot: $6
Cost per square yard: $56
Stairs: $332
Square yards needed: 111.1

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

What changes the number in Washington

Local cost indexAbove the national baseline	1.16x national
Permit fee index	1.15x national
Code basisStatewide code applies	Washington State Residential Code, based on the IRC, plus the State Energy Code
Owner-builder posture	Homeowner permits allowed on owner-occupied property
Largest markets	Seattle, Spokane, Tacoma, Vancouver

The formula

Cost = area x (carpet + padding + labor) + stairs x per-stair rate + removal

Carpet is often quoted per square yard. One square yard is nine square feet, so a $36/yd quote is $4 per square foot.

Frequently asked questions

How much does carpet cost installed?

Most carpet installs run $3.50 to $7.00 per square foot in 2026 including padding, labor and removal of the old carpet.

How much does carpet on stairs cost?

Budget $15 to $30 per stair for standard box steps; wrapped or open-side stairs cost more.

Sources

Sources & verification

Washington State Building Code Council

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.