Patio Cleaning

When your patio needs more than a broom

Not all dirt is created equal. Some stains, like dark oil or tire marks, resist rain and spread over time, while a slick surface when wet often signals algae or mildew growth.

Mineral deposits, such as efflorescence (white, powdery haze), or concentrated green/black patches in shaded areas, also require targeted treatment. Pressure washing alone won’t lift oil stains—those need a degreasing solution applied first—or prevent etching from improper technique.

Recognizing these signs helps determine if a deep clean is needed or if routine sweeping and sealing would suffice.

Homeowners in Garden City Beach often notice these issues after heavy rains, when standing water pools in low spots or when leaves and clippings left too long decompose into stubborn stains.

A patio that feels slippery when wet or shows uneven discoloration after cleaning may need a professional assessment to avoid damaging delicate surfaces like stamped or sealed concrete.

What affects the cost and process

The size of your patio, the materials it’s made of (plain concrete vs. sealed/stamped), and the type of stains or buildup all influence the time and technique required. For example, oil stains need pre-treatment with a degreasing solution, while algae or mildew may require a specialized detergent.

Surface condition—such as cracks or loose edges—can also impact the approach to avoid damage. In Garden City Beach, where humidity and coastal conditions accelerate staining, prompt treatment of spills (like oil or fluid drips) can prevent deeper penetration and make cleaning easier later.

Pricing reflects these variables, with most homeowners paying per square foot for labor, equipment, and chemicals. A basic clean for a small patio may take less time, while larger or heavily stained surfaces require additional passes, runoff containment, and sometimes post-treatment sealing to extend the results.

Always confirm whether the quote includes surface-specific methods (e.g., lower pressure for sealed concrete) and whether sealing is an add-on.

What to watch for in a quote

A detailed quote should specify the pressure (PSI) and method (pressure wash vs. soft wash) for each surface type—plain concrete, sealed concrete, or wood—to avoid damage. For example, sealed or stamped concrete requires lower pressure than plain concrete to prevent discoloration.

The scope should list every area included (e.g., patio, driveway edges, expansion joints) and disclose the chemicals used, as some detergents can affect nearby landscaping or pets. Ask whether post-cleaning sealing is included or billed separately, as this step helps stains last longer.

Red flags include quotes that don’t specify surface methods, unusually low prices (which may indicate rushed or low-quality work), or pressure to add services on the spot without a written price. Always confirm how pre-existing damage—like cracked paint or loose mortar—will be handled if it’s uncovered during cleaning.