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*The Angi rating for Deck Cleaning companies in Valley, WA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Deck Cleaning needs.

*The HomeAdvisor rating for Deck Cleaning companies in Valley, WA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Deck Cleaning needs.

Last update on September 26, 2025

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Avatar for KMJ Construction
KMJ Construction
5.0(
7
)

Serving Valley, WA and surrounding areas

In business since 2016

Free estimates

Emergency services offered

"Justin was very professional, fast, easy to work with and did a great job. He made sure to ask questions for clarification of what we wanted and to point out any issues he saw while he was working on our basement. We were very pleased with the work he did."
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Recommended by100%of homeowners
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Deck Cleaning questions, answered by experts

Floating decks are a cost-effective and versatile option, but they come with some compromises. Since they sit on smaller footings instead of being deeply anchored, they’re more likely to shift over time, especially in areas with heavy rainfall or freeze-thaw conditions. Their low-to-the-ground design makes them more susceptible to moisture buildup and potential water damage.

Pressure-treated lumber is one of the most affordable types of decking upfront. This material is widely available, so you can usually find pressure-treated lumber at almost any local home improvement store you visit. Keep in mind that wood requires a lot of upkeep with repainting and restaining, so any kind of wood may be more expensive in the long run than something like PVC decking.

No, it isn’t necessary to skirt a deck, but investing in the cost to install deck skirting can bring more value to your home. Not only does deck skirting make the deck look more complete, but it can also turn otherwise unused space beneath the deck into useful storage space.

For a 12x20-foot (240-square-foot) deck, you can expect to pay between $7,200 and $14,400. This cost is based on a general price of $30 to $60 per square foot. The final price will depend on factors such as the decking material, design complexity, deck type, location, and local labor costs. Keep in mind that add-ons will increase the total; for example, adding an under-deck drainage system to a deck of this size could cost an additional $7,700.

Staining and sealing the underside of a deck creates a moisture barrier but traps water in the boards, quickly leading to rot. No matter how well you seal the above deck, water still gets through via nails and screw heads on the surface. Allow this water to flow naturally under the deck, where it is routed through the drainage system.

The Valley, WA homeowners’ guide to deck cleaning services

From average costs to expert advice, get all the answers you need to get your job done.

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