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💦 Pressure Washing

Pressure Washing in Spokane, WA

Pressure washing is essential prep before any exterior paint or stain project — and a valuable standalone service for siding, decks, fences, and walkways that just need a deep clean. Done correctly, it removes the dirt, mildew, and chalking residue that would otherwise compromise new paint or stain adhesion.

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What's Included

💦 Siding Cleaning

Exterior siding washed to remove dirt, pollen, and mildew buildup — whether as paint prep or a standalone refresh.

💦 Deck & Fence Cleaning

Wood surfaces cleaned of old failed stain, dirt, and mildew before restaining, or simply to refresh appearance.

💦 Walkways & Driveways

Concrete and paver surfaces cleaned of built-up grime, moss, and staining.

💦 Pre-Paint Surface Prep

Pressure washing as the first step in any proper exterior painting or staining project — skipping this step is one of the most common causes of early paint failure.

💦 Gutter Exterior & Soffit Cleaning

Exterior cleaning of gutters and soffits as part of a full exterior refresh.

Why a Local Spokane Crew Matters

Pressure washing looks simple from the outside, but the technique has to match the surface or it can cause real damage — too much pressure on wood siding can gouge or fray the wood fiber, too much pressure near mortar joints on brick or stone can erode the mortar faster than normal weathering ever would, and the wrong nozzle angle on vinyl siding can force water behind panels where it doesn't belong. We adjust pressure, nozzle selection, and distance from the surface based on what we're actually cleaning, not a single default setting used on every job.

Spokane's dry climate changes what pressure washing typically needs to remove compared to wetter regions. Heavy mildew and algae growth — the dominant concern in places like Western Washington — is less of an issue here. What accumulates instead is dust, wind-blown pollen (Spokane's tree pollen season is significant), and the chalky residue that forms as aging paint breaks down under intense UV exposure. That chalking residue in particular has to be fully removed before new paint or stain is applied, since it prevents proper adhesion regardless of how good the new product is — this is one of the most common reasons a paint job fails early when prep was skipped or rushed.

For projects that are pressure washing alone, without a paint or stain job attached, timing still matters. Washing a deck or fence right before a hard freeze, or washing siding right before several days of rain, doesn't give surfaces the chance to dry that they need. We sequence standalone pressure washing jobs around Spokane's actual weather forecast rather than scheduling on a generic calendar basis.

Frequently Asked Questions

Is pressure washing safe for all siding types?
Technique and pressure level need to be matched to the material — wood, vinyl, and fiber cement all respond differently. Our crew adjusts approach based on your specific siding to avoid damage.
Do I need pressure washing before painting?
Yes, in nearly all cases — proper cleaning is one of the most important and most commonly skipped steps in exterior painting prep. It's standard in our painting process, not an optional add-on.
Can pressure washing be done as a standalone service?
Yes — many homeowners request pressure washing on its own for siding, decks, fences, or walkways without an accompanying paint project.

Pressure Washing

Free on-site estimate, no obligation.

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Free estimates throughout Spokane and the surrounding area.

Customer Reviews

What Spokane-Area Homeowners Say

★★★★★

“Our 1920s Craftsman needed real attention — peeling trim, faded siding, the works. Riverflow's crew prepped everything properly before a single coat went on. Two years later it still looks freshly done.”

Karen D.
Exterior Painting · South Hill, Spokane
★★★★★

“Painted our whole main floor in three days. Clean lines, no drips, and they moved furniture back exactly where it was. Genuinely impressed with the attention to detail.”

Mike T.
Interior Painting · Spokane Valley
★★★★★

“Our cedar fence was gray and weathered after years of sun. They brought it back to life with a proper stain job. Neighbors have asked who did it.”

Jennifer A.
Fence Staining · Liberty Lake
★★★★★

“We needed our office repainted over a weekend with zero disruption to tenants. Riverflow delivered exactly that — in and out, professional, on schedule.”

David R., Property Manager
Commercial Painting · Downtown Spokane
★★★★★

“Free estimate was thorough — the estimator actually walked the whole exterior and explained what prep work we needed. No surprises once the crew started.”

Tom & Linda S.
Exterior Painting · Greenacres
★★★★★

“Just needed our front door and trim refreshed. They treated a small job with the same care as a full house repaint. Will use them again for the rest of the house.”

Robert M.
Door & Trim Painting · Otis Orchards