Washington service directory

Chip Seal Contractors in Washington

Use this page to find contractors who apply chip seal, also called a seal coat in roadway work. A binder is sprayed onto the pavement, aggregate is spread into it, and rollers embed the stone. It is usually the least expensive way to put a new wearing surface on a large area. This page lists chip seal contractors serving Washington, organized by city below.

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1 contractor in Washington

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Central Washington Asphalt, Inc.

Moses Lake, Washington

Asphalt Paving · Concrete Sitework · Chip Seal · Commercial & Residential

Central Washington Asphalt is a family-owned and operated paving contractor headquartered in Moses Lake, Washington, in operation since 1982. The company performs asphalt paving and chip seal (BST) work ranging from WSDOT highway projects to subdivisions and private driveways. It is affiliated with a Spokane-area operation, Shamrock Paving, and a sister concrete readymix company, AAA Concrete. Central Washington Asphalt is associated with industry groups including NAPA, WAPA, and AGC.

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Chip Seal FAQs

Is chip seal a good choice for a commercial parking lot?

Usually not for a customer-facing lot. The texture is coarse, loose stone is likely at first, and it does not stripe as cleanly as a smoother surface. Chip seal earns its place on private roads, rural roads, industrial yards, and long driveways, where covering a large area affordably matters more than finish quality.

How long does loose stone last after chip seal?

Some loose aggregate is normal at first. A sweeping pass after the surface takes traffic removes most of it, and a fog seal helps lock the remaining stone down. Ask whether sweeping is included — when it is skipped, loose stone becomes the lasting complaint about an otherwise sound job.

How does chip seal compare with slurry seal on cost and finish?

Chip seal is typically the cheaper of the two per square foot and the coarser of the two in finish. Slurry seal gives a smoother, more uniform surface that suits parking lots and stripes better. Local material and haul costs move the comparison, so get both quoted if the property could accept either.

Before you hire: The Pavement Directory does not guarantee contractor performance, pricing, licensing, insurance, or availability. Business information may be submitted by contractors or gathered from public sources and should be independently verified before hiring. Always confirm licensing, insurance, references, scope of work, and written contract terms.

Scope to confirm in writing

Whether the contractor owns a chip spreader and distributor or subcontracts
Aggregate size and how much loose stone to expect at first
Whether sweeping and an optional fog seal are included in the price
That the finished texture is coarser and noisier than asphalt or slurry seal
Whether a single or double chip seal suits the traffic

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Washington pavement guides

Pavement conditions in Washington
4 pavement regions, 5 common failure patterns, and the terms that show up on Washington proposals.
When to pave in Washington
Season by season: what work fits each window in Washington, what tends to delay it, and what to walk the property looking for.
Licensing and permits in Washington
How Washington licenses paving contractors, how to check a license, what it does not prove, and when stormwater permits apply.

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