Galveston County · Houston metro
Concrete Patio Cleaning Cost in Dickinson, TX
Local pricing and Gulf Coast cleaning advice for Dickinson, Galveston County.
Algae is the quiet enemy of concrete in Dickinson. This Galveston County city sits low and close to the bay, lined with a mix of older bayfront homes and newer subdivisions where humidity stays near 89 percent for much of the year. That relentless dampness turns shaded patios, driveways, and walkways into a steady canvas for black mildew, green algae, and mold. The growth often starts in the corners you walk past every day, then spreads before it registers as more than a stain.
What makes Dickinson tricky is how little the problem lets up. There's no real dry season to count on, so organic growth keeps advancing even through winter, settling under furniture, near downspouts, and along anything shaded by trees or fences. Add leaf-tannin browning and rust streaks from metal furniture in the salty, humid air, and a neglected slab ages quickly.
Dickinson homeowners often want lasting results rather than a quick rinse. Like neighbors in League City, La Marque, and Friendswood, the smart move is to clean and then seal, since pressure-washing alone invites the algae right back. We match you with a single trusted local pro, never handing your information to a pile of companies.
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Estimated range
$150 – $208
For 300 sq ft in Dickinson. A real quote from a vetted local pro is free.
Why patios in Dickinson get dirty fast
The Gulf Coast humidity problem
Dickinson sits in one of the most humid corners of the country, and a patio pays for it. The Houston metro hovers near 89% relative humidity much of the year, and that moisture feeds the black mildew, green algae and mold that creep across shaded concrete and collect under furniture.
Because the humidity barely lets up, it's a year-round problem, not a seasonal one — growth returns through the mild winters too. Tree canopy adds leaf-tannin staining, and metal furniture leaves rust in the damp air. The fix is to clean and then seal; a bare wash lets the algae return within months. Nearby League City sees the same pattern.
Clean, then seal
Make the clean last in Dickinson
A bare wash looks great for a few weeks, but in this humidity the algae creeps back fast. Adding a seal after cleaning slows regrowth and keeps the slab brighter for far longer. You can add sealing to your estimate above to see how it changes the range.
Common questions
Patio cleaning in Dickinson, TX
What does patio cleaning cost in Dickinson?+
Typical Dickinson jobs run from about $180 to $550, shaped by the size of the area, how stubborn the algae and mildew are, and whether you seal afterward. Driveways and large patios cost more, while a small porch sits at the lower end. Sealing adds to the bill but reduces how often you'll need the service.
Given the humidity, when should I schedule a cleaning?+
Pick a window of drier, sunnier days, which in Dickinson tends to mean cooler months or a clear spell in spring. Because the bay air keeps everything damp, you want surfaces to dry enough for a sealer to bond. Cleaning right before a humid, rainy stretch gives algae the perfect head start to return.
Is DIY cleaning worth it in Dickinson, or should I hire someone?+
You can tackle light grime yourself, but Dickinson's persistent algae and mildew often demand commercial-grade cleaners and a careful touch to avoid etching the concrete. A local pro also handles sealing, which DIY rentals skip. For slick, shaded, or stained slabs near the bay, professional work tends to last far longer.
How frequently does concrete need cleaning here?+
In Dickinson's near-constant humidity, once a year is a sensible baseline, with shaded or tree-covered areas sometimes needing a second pass. Sealed concrete can often go 18 months or more between cleanings. Spots near downspouts or under heavy canopy collect moisture and tend to green up faster than open, sunny surfaces.
Does living near the bay make algae worse in Dickinson?+
Yes. Dickinson's low elevation and proximity to the water keep the air heavier with moisture, which feeds organic growth and can speed up rust on metal furniture. That coastal dampness is exactly why a clean-and-seal approach matters here, sealing slows the regrowth that the humid, salt-tinged air would otherwise encourage.
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