2026 Cost

Asphalt Cost in Washington: $1–$17 / sq ft

15% above the national average · Free instant calculator below — no signup

Washington Asphalt Cost

In Washington, asphalt costs are approximately 15% above the national average. Seattle metro has high labor costs; eastern WA is more affordable. Run the calculator below for a Washington-adjusted estimate.

Updated May 2026Reviewed by Costorie Editorial Team

Project Dimensions

Length (ft)

Width (ft)

Project Size

Project Type

Thickness

Access Difficulty

ZIP Code (optional)

Estimated Project Cost

Enter your project dimensions above to see your estimate.

Asphalt Cost in Washington: What to expect

Washington (WA) is in the West Coast region. Home improvement costs here are approximately 15% above the national average due to local labor rates, material availability, and regional demand.

Seattle metro has high labor costs; eastern WA is more affordable.

Average asphalt rates in Washington

Type	Washington	National Avg
New Installation	$8.05 – $17.25 / sq ft	$7.00 – $15.00 / sq ft
Resurfacing	$3.45 – $8.05 / sq ft	$3.00 – $7.00 / sq ft
Overlay	$3.45 – $8.05 / sq ft	$3.00 – $7.00 / sq ft
Sealcoating	$1.15 – $4.60 / sq ft	$1.00 – $4.00 / sq ft

Asphalt Cost in major Washington cities

Prices vary inside the state too. Larger metros generally run 5–10% above the Washington average due to higher labor costs and dispatch logistics; smaller cities and rural areas tend to come in slightly below. The table below applies a city-level adjustment to the base Washington rate.

Seattle+5% (metro premium)

$1.21 – $18.11 / sq ft

Spokaneaverage

$1.15 – $17.25 / sq ft

Tacoma-5% (smaller market)

$1.09 – $16.39 / sq ft

Why asphalt costs differ in Washington

The Washington multiplier reflects three things: prevailing wages for skilled trade labor, material delivery cost from regional suppliers, and any state or municipal permitting overhead. Compared to neighboring states, Washington sits 15% above the national average.

State	Cost vs national average
Washington (this page)	15% above the national average
Idaho	8% below the national average
Oregon	10% above the national average

Permits and timing in Washington

Permits in Washington

Washington cities require permits for roofing, paving, and structural exterior work. Tree removal is regulated in many municipalities, notably Seattle, where permits are required for trees over a certain diameter and protected heritage trees. Always check with your local urban forestry or building department.

Best time of year for asphalt in Washington

Late spring through early fall when ambient temps stay above 50°F and pavement can cure properly before any freeze.

Asphalt Cost FAQs for Washington

Common questions about asphalt cost, permits, and timing in Washington.

How much does asphalt cost in Washington?

Asphalt Cost in Washington typically costs $1.15–$17.25, which is 15% above the national average. Final pricing depends on project size, material grade, access, and any prep work like demolition or subfloor repair.

Is asphalt more expensive in Seattle?

Yes. Seattle typically runs 5–10% above the Washington average due to higher metro labor rates, permit overhead, and dispatch logistics. Smaller cities and rural areas in Washington tend to come in below the state average.

Do I need a permit for asphalt paving in Washington?

When is the best time of year for asphalt in Washington?

Late spring through early fall when ambient temps stay above 50°F and pavement can cure properly before any freeze.

How do asphalt costs in Washington compare to neighboring states?

Washington sits 15% above the national average for asphalt. Compared to neighboring states: Idaho runs about 23% lower, Oregon runs about 5% lower.

Why is asphalt more expensive in Washington?

Seattle metro has high labor costs; eastern WA is more affordable. Combined with regional labor rates and material logistics, Washington sits 15% above the national average for asphalt.