How to Get Rid of Mold on Your Pool Deck: Ultimate Guide

If you’ve noticed dark patches creeping across your pool deck, it’s time to take action. Not only does black mold make the area look neglected, but it also poses real safety risks. It’s slippery, stubborn, and if you don’t address it quickly, it’ll keep coming back stronger. 

That’s why learning how to get rid of black mold on pool deck surfaces the right way matters more than just scrubbing with soap and water. But what’s the best approach to cleaning your pool area? Should you choose soft washing or pressure washing? Let’s break it down.

Mold Is a Warning Sign—Not Just a Surface Problem

When mold shows up on your pool deck, it’s telling you there’s more going on underneath. Maybe water isn’t draining properly. Maybe your deck isn’t getting enough sun. 

Mold thrives in shady, damp environments—places where airflow is poor and surfaces stay wet long after the pool has closed for the day. If your deck is made of porous materials like concrete, stone, or pavers, it’s even more vulnerable. 

Clean Smart: Surface Solutions That Actually Work

Getting rid of mold means more than rinsing the deck and hoping for the best. Start by clearing away furniture and debris. Give the surface a quick sweep to remove dirt and buildup. Then get ready to clean deep.

For smaller areas, grab a stiff brush and a solution of water and oxygen bleach. It’s safer on poolside surfaces than harsh chemicals and still gets the job done. 

If you’re dealing with a larger outbreak, pressure washing is the way to go. Just don’t go overboard—too much pressure can damage the deck. 

Want a more aggressive solution? Mix one part bleach with three parts water and scrub directly onto the affected areas. Just make sure you’re wearing gloves and eye protection. Rinse thoroughly afterward. 

Keep It from Coming Back—Because It Will Try

You cleaned it once, but if you don’t make a few changes, that mold will be back. First, look at the airflow. Are trees or shrubs casting too much shade? Trim them back. Consider adding drainage channels if water tends to pool after rainfall or pool use. 

If your deck is concrete or stone, apply a breathable sealer once it’s fully dry. It’ll block moisture from seeping in without trapping it underneath. Deck cleaning is a crucial part of regular home maintenance. Hose off your deck regularly and do quick mold checks every few weeks. 

Know When to Call in Reinforcements

If you’ve cleaned the same mold spot more than once and it keeps coming back—or worse, it spreads—you may need professional mold mitigation. Expert pressure washing is a great first line of defense, but it’s not always enough on its own.

Mold can burrow deep into materials and create hidden colonies that cleaning just can’t reach. At that point, the best move is to bring in a team with commercial-grade tools and techniques. You’ll save time, avoid frustration, and protect your investment.

Your Mold-Free Deck Awaits

Tackling mold early and thoroughly is crucial to a safer, more aesthetically pleasing pool area. By addressing the root cause, cleaning with purpose, and making a few smart upgrades, you can break the cycle for good. 

Now that you know exactly how to get rid of black mold on pool deck surfaces, it’s time to reclaim that outdoor space and enjoy it the way it’s meant to be—fresh, clean, and worry-free.

Get a Clean Deck Without the Hassle

Not in the mood to scrub or deal with bleach? Let the pros at Wrightlook Pressure Washing handle it. From mold-covered pool decks to grime-covered driveways, our expert pressure washing services restore your surfaces to like-new condition, without the stress. Contact us today and schedule a service that fits your home and your schedule.