Patio Cleaning Houston TX

Houston Patios Need Regular Cleaning

Outdoor living is a year-round activity in Houston, which means your patio gets more use and more abuse than in most other cities. The subtropical climate keeps temperatures mild enough for grilling, dining, and entertaining from February through December, but that same warm, humid air turns your patio into a breeding ground for mold, mildew, and algae.

Houston receives an average of 50 inches of rain per year, and much of it falls in intense bursts during spring and late summer. Between storms, the humidity rarely drops below 60%, even in winter. Shaded patios under pergolas or covered porches stay damp for days at a time, which is exactly what biological growth needs to take hold. Within a few months, a clean patio surface can develop a slick green or black film that is both unsightly and dangerous to walk on.

The problem compounds in neighborhoods with heavy tree cover. In areas like The Heights, Montrose, and Memorial, live oaks drop leaves and pollen throughout the year. Pecan trees shed husks in the fall. Pine trees in The Woodlands and Spring deposit sap and needles. All of this organic debris lands on your patio, breaks down, and stains the surface while feeding mold growth underneath.

Common Houston Patio Problems We Fix

• Green algae and black mold growth on shaded surfaces
• Leaf tannin stains from live oaks and pecan trees
• Red clay soil stains washed in from surrounding beds after rain
• Grease and food stains around grill areas
• Rust stains from patio furniture, planters, and sprinkler heads
• Efflorescence (white mineral deposits) on pavers and brick
• Ground-in dirt in textured and stamped concrete

Our Patio Cleaning Process

We start by clearing loose debris, moving furniture and planters, and wetting down any adjacent landscaping to protect it. We then assess the patio material and condition to select the right pressure settings and cleaning products.

For concrete patios, we apply a biodegradable detergent that kills mold and algae at the root, not just the surface. After a dwell time of 5 to 10 minutes, we clean the surface with a commercial rotary surface cleaner at the appropriate PSI for the material. This attachment prevents the streaky lines that a hand-held wand leaves behind and delivers a uniform finish.

Paver and natural stone patios get a gentler approach. We use lower pressure, typically 1,500 to 2,500 PSI, combined with a fan tip or soft-bristle surface cleaner. For brick patios, we take extra care around mortar joints, which can erode under high pressure. After washing, we rinse everything down from the house outward and restore furniture to its original position.

Patio Materials We Clean

Houston patios come in a wide range of materials, and we handle all of them:

• Poured concrete - the most common patio surface in Houston, cleaned at full pressure with surface cleaner
• Stamped concrete - popular in Katy, Sugar Land, and newer subdivisions; requires lower pressure to protect the texture and color sealer
• Brick pavers - common in older neighborhoods inside the Loop; we protect mortar joints and re-sand if needed
• Travertine and natural stone - found in higher-end homes in River Oaks and Memorial; cleaned with soft wash techniques
• Flagstone - irregular surfaces require careful, methodical cleaning to reach every gap and crevice

Sealing After Cleaning

After cleaning, we recommend applying a sealer to extend the life of the clean surface. Sealers create a protective barrier that repels water, reduces staining, and slows biological growth. For stamped concrete, a sealer also restores the color depth that fades with UV exposure. In Houston's climate, a properly applied sealer can keep your patio looking clean for 12 to 18 months longer than an unsealed surface.

Frequently Asked Questions