Galveston County · Houston metro
Concrete Patio Cleaning Cost in Texas City, TX
Local pricing and Gulf Coast cleaning advice for Texas City, Galveston County.
Living this close to Galveston Bay means your concrete is fighting a humidity problem most of the country never deals with. Texas City sits in Galveston County, a mix of long-established neighborhoods and newer subdivisions where backyards, covered patios, and shaded side yards are part of everyday life. The moist, salty Gulf air that hangs around here doesn't quit when the calendar turns, and it feeds black mildew and green algae across driveways, walkways, and patios all twelve months of the year.
The pattern is predictable once you know what to look for: the darkest staining shows up under patio furniture, along the north-facing side of the house, and anywhere a downspout keeps the slab wet. Leaf tannins from shade trees and rust from metal chairs left out in the moisture only add to the mess. Homeowners over in La Marque and Dickinson see the exact same thing, and folks up in League City fight it too.
Pressure-washing clears the surface, but without a follow-up seal the algae creeps back within a few months. We connect you with one vetted local cleaner who handles both steps. Your information goes to that single pro, never sold off to five companies chasing the same lead.
Cost estimator
Estimate your Texas City patio cleaning cost
Estimated range
$150 – $208
For 300 sq ft in Texas City. A real quote from a vetted local pro is free.
Why patios in Texas City get dirty fast
The Gulf Coast humidity problem
A Texas City patio rarely dries out fully. With Galveston County buried in Gulf humidity most of the year, green algae and black mildew settle into the slab — worst in the shade, under furniture, and along the downspout line.
The year-round damp means a patio that looks clean in spring is green again by midsummer, with tannin and rust layered on top. A clean-and-seal holds up where a bare wash fails, and homeowners in La Marque run into the very same cycle.



Clean, then seal
Make the clean last in Texas City
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 Texas City, TX
How much does concrete and patio cleaning cost in Texas City?+
Most Texas City jobs land between $200 and $550, depending on square footage and how heavy the algae buildup is. A standard driveway sits at the lower end, while a large patio plus walkways runs higher. Adding a protective seal increases the price but stretches the result far longer, which is worth discussing when you get your quote.
When is the best time of year to clean concrete given the humidity here?+
Late spring through early fall gives surfaces the warmth needed to dry and cure a sealer properly. Because Texas City humidity stays high year-round, there's no truly dead season for algae, but scheduling on a stretch of dry, breezy days helps any applied coating bond and reduces how fast organic growth returns afterward.
Is DIY cleaning worth it in Texas City, or should I hire a pro?+
A rental pressure washer can strip surface grime, but it's easy to gouge concrete or push water under siding. More importantly, DIY rarely includes the seal that keeps Gulf Coast algae from returning. A local pro brings the right pressure, cleaning agents, and a finishing seal, which usually makes the cost difference back in saved redo work.
How often should I have my concrete cleaned in this climate?+
In Texas City's damp, salty air, plan on a thorough cleaning once a year for most homes. Shaded patios, north-facing slabs, and areas near downspouts may need attention every eight to ten months. Pairing each cleaning with a fresh seal noticeably slows regrowth and can push you toward the longer end of that range.
Does the salt air off the bay affect my concrete and furniture?+
Yes. Proximity to Galveston Bay means salt-laden moisture sits on surfaces longer, accelerating rust streaks from metal furniture and feeding mildew in shaded spots. Rinsing metal pieces and keeping them off damp concrete helps. A professional cleaning that lifts rust staining and seals the slab gives the best protection against this coastal exposure.
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