How Much Does It Cost to Pressure Wash a Deck? [2026 Data]

Pressure washing costs depend on your project and location. Check with a local pro for your specific job.

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Cost Insights:
  • Professional deck pressure washing costs between $100 and $250, with most homeowners paying around $150 for your cleaning service.

  • Your deck material determines the cleaning approach, with wood needing gentle soft washing while metal can handle high-pressure cleaning.

  • Account for add-on services like deck staining for $550 to $1,250 or sealing for $560 to $1,380 when you plan your budget.

  • Hiring a local power washing professional prevents damage to wood fibers and ensures even cleaning without streaks or water damage.

In 2026, the national average cost to pressure wash a deck is $150, with most projects falling between $100 and $250 depending on deck size, material, condition, and grime buildup. For larger or heavily soiled decks, costs can climb to $500 or more.

Pressure Washing a Deck Cost Factors: What Affects the Price?

Your final bill for pressure washing your deck depends on various factors. Here's a breakdown of what to budget for to stop you from spraying away more money than you expect.

Size

Square footage is one of the biggest cost factors when you hire a local pressure washer, with different deck sizes costing $100 to $400, though DIY costs stay relatively flat regardless of size. Wrap-around or hard-to-access deck layouts can add complexity to the job, which may push your price higher even for decks of similar square footage. 

Here is how costs typically break down by deck size:

Size (Square Feet)Average Cost in 2026
300$100
700$200–$300
1,000$300–$400

Labor

Most pressure washing contractors price deck jobs using a base fee plus a per-square-foot rate, though some charge an hourly rate of $50 to $100 per hour instead. A common pricing structure starts at $100 for decks up to 300 square feet. For anything larger, contractors typically add $0.30 to $0.40 per square foot on top of that base rate.

Deck Condition

Have you been spilling BBQ grease all over your deck surface or letting a build-up of tricky-to-remove mold and mildew grow over a few years? Your contractor will likely up their bill to account for the extra time, effort, and deck-specific detergents required. And, if the deck has significant weathering, loose boards, or damaged areas, the contractor might also factor in the extra care needed to avoid making these issues worse during the cleaning process, potentially recommending repairs before or after pressure washing.

Deck Material

A woman using a pressure washer on her deck
filmstudio / E+ / Getty Images

Your deck's material directly affects both the cleaning method and the cost, with tougher surfaces like aluminum ($100 per 300 square feet) handling high-pressure washing more easily than softer options. Some decking materials require gentler techniques—wood, for example, often calls for soft washing with lower pressure and specialized detergents to avoid damage. 

Here is how costs compare across the most common deck materials:

MaterialAverage Cost per 300 Sq. Ft. in 2026Additional Details
Metal$100This is a tough, non-porous surface, the professionals can blast away without worrying about lifting the top layer or damaging the integrity of the decking.
Composite$100–$150Composite decking isn’t as durable as metal, but it can withstand pressure washing better than porous wood. It’s also less likely to suffer from mold and mildew build-up, so it might not need such a deep clean.
Wood$100–$200Your contractor might suggest soft washing rather than high-power pressure washing for more delicate, porous wooden decks. They will use a lower-pressure nozzle and deck detergents to lift the dirt gently.

How Often Should You Pressure Wash Your Deck?

Most pressure washing pros recommend cleaning your wood deck at least once a year to clear out dirt, mildew, and algae. If you use your deck heavily, twice a year may be a better fit for keeping it in good shape. Spring cleaning removes grime and mold that built up over winter, while a fall wash clears greasy spills before they have months to soak deeper into the wood.

Pressure Washing a Deck Add-On Costs: What to Budget For

Consider planning for some add-on costs for your pressure washing project, including tasks ranging from $50 to $3,480. Bundling your deck pressure wash with other cleaning jobs is one of the best ways to save, since many pressure washing contractors near you offer discounts when you combine services. There are many ways to use pressure washers around your property, from driveways and fencing to patios and vinyl siding. 

Here are common add-on services and their typical costs:

Why You Should Hire a Power Washing Pro

Power washing might seem simple, but using the wrong pressure or nozzle can damage wood fibers, leave streaks, or push water into seams where it can cause long-term rot. A local pressure washing pro can thoroughly clean your deck without harming the structure or aesthetics.

Here's why it's ideal to hire a pressure washing company

Here's why you should hire a pressure washing pro to keep your deck clean and in good shape:

  • A pressure washing pro knows how to select the optimal pressure settings for your specific deck material.

  • They use cleaners that remove dirt and mildew without damaging deck finishes.

  • A pro can spot areas of rot or damage that may need repair, which can maintain the safety and prolong the life of your deck.

  • Power washing experts possess the skill and experience to clean evenly, avoiding streaks or visible lines.

  • They can prepare the surface for staining or sealing if needed, and they often provide those services as well.

If you want to DIY pressure washing

While you can power wash your own deck if you have extensive experience and the equipment, hiring a pro means you'll get the best results. If you leave the job to a pro, you can still help with some of the prep or finishing steps:

  • Move furniture, grills, planters, and other items off the deck before your pro arrives.

  • Sweep the deck before the official cleaning begins.

  • After the work is done, you may stain, seal, or apply protective coatings if it's a task you're comfortable with. Otherwise, leave it to a qualified deck staining company near you.

5 pressure washer nozzles compared by angle of spray and ideal usage, including red, yellow, green and black nozzles

Tips to Reduce Cost While Pressure Washing a Deck

A person wearing protective gloves scrubbing a wooden deck
KURJANPHOTO / iStock Photography / Getty Images Plus / Getty Images

You don't just have to spray everything in sight to make savings. Here are some other savvy strategies to cut costs when pressure washing a deck.

  • Practice regular deck cleaning: Doing a quick hose and scrub down of your deck monthly means it will need a deep pressure wash less frequently.

  • Shop around: Getting quotes from at least three reputable contractors, rather than the first one you find, might result in savings.

  • Steer clear of summer pressure washing: Late spring and summer are the busiest times for pressure washing contractors. Opting for a low-season clean might mean you get a more competitive price.

  • Buy in the big sales: If you're choosing a pressure washer of your own, you can secure great discounts when the major sales come around.

  • Maintain your pressure washer well: If you buy a pressure washer, don't leave it at the back of your garage for months. Regular pressure washer maintenance keeps it running smoothly for longer.

Next Steps: Finalize Your Project With a Pro
  • Let your contractor know if your deck has soft spots, loose boards, water damage, or visible stains.

  • Discuss whether your deck needs resealing in addition to cleaning.

  • Ask your pressure washing pro about the cleaner they plan to use and if it’s safe for surrounding plants.

  • Confirm whether the work includes cleaning railings, steps, and under-lip surfaces.

  • After the cleaning, be prepared not to use the deck until it's completely dry.

How Angi Gets Its Cost Data

Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We extensively research project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We rely on reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects. 

Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.

Frequently Asked Questions

Yes, pressure washing a wood deck can be a good idea as it effectively lifts ingrained dirt, mold, and mildew, improving the deck's appearance and longevity. However, it must be done carefully, as it's easy to damage the wood, especially softwoods. To pressure wash safely, use a lower pressure setting and a wide, 40-degree fan pattern nozzle (often white). Keep the nozzle at least a foot away from the wood surface and maintain constant motion, avoiding hovering in one spot to prevent gouging.

Yes, you must thoroughly clean your deck before staining. If you don't, dirt, debris, grease, and mildew can get trapped between the wood and the new stain. This not only looks unsightly but also prevents the stain from penetrating the wood properly, reducing its ability to protect the deck from weather and UV rays. As a result, the stain won't last as long or look as good. Any existing mold or mildew left untreated can continue to grow beneath the new stain, potentially leading to wood rot and structural damage. Always wait at least 48 hours after cleaning for the wood to dry completely before applying stain.

When researching prospective pressure washing pros , consider asking them the following questions to ensure you hire the right professional for the job. What factors determine your costs to pressure wash a deck? What are the different techniques you use for different deck materials, such as wood, composite, and metal? How do you ensure that the pressure washer won’t damage the deck? Are there any hidden costs I should prepare for, such as fees for deep stains or mold removal? Can you offer a discounted price if I want to bundle additional services, like sealing or staining? How long does it typically take you to pressure wash a deck like mine? What type of detergents and cleaning solutions do you use? Are they safe for the surrounding ecosystem? Do you recommend applying any treatments or coatings after pressure washing to preserve its appearance?

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