Montgomery County · Houston metro
Concrete Patio Cleaning Cost in Montgomery, TX
Local pricing and Gulf Coast cleaning advice for Montgomery, Montgomery County.
Montgomery County takes its name from this small, historic city, where antique-lined streets and a mix of century-old homes and newer builds anchor a community proud of its porches, patios, and outdoor living space. That character runs up against a stubborn climate problem: Gulf Coast humidity that lingers in the upper 80s nearly all year, soaking concrete and giving black mildew, green algae, and mold an open invitation to spread.
The growth here doesn't follow the calendar. Even in the cooler months, shaded slabs near tree cover, downspouts, and patio furniture keep darkening, because the moisture never really lets up. Tannins from falling leaves stain the surface brown, and metal chairs or tables left in the damp can leave rust marks that ordinary rinsing won't budge.
Set among Magnolia, Willis, and Conroe, Montgomery shares the same year-round battle as its neighbors, and the same solution applies. Cleaning gets the surface looking right, but without a seal afterward, algae usually returns within a few months of pressure-washing. We connect you with one vetted local pro who understands these conditions, and your information is never sold to five different companies.
Cost estimator
Estimate your Montgomery patio cleaning cost
Estimated range
$150 – $208
For 300 sq ft in Montgomery. A real quote from a vetted local pro is free.
Why patios in Montgomery get dirty fast
The Gulf Coast humidity problem
A Montgomery patio rarely dries out fully. With Montgomery 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 Magnolia run into the very same cycle.
Clean, then seal
Make the clean last in Montgomery
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 Montgomery, TX
How much should I expect to pay for cleaning in Montgomery?+
Most Montgomery homeowners pay somewhere between $200 and $600, with the final figure depending on the area's size, the severity of mildew and algae, and whether a sealer is applied. Smaller porches cost less, while sprawling patios and driveways sit higher. The seal adds expense but meaningfully extends the life of the cleaning.
When is the ideal time to clean with this much humidity?+
Target the drier, cooler stretches of the year or a clear spell in spring, when concrete can dry enough for sealing to take. With humidity this constant, surfaces rarely stay dry on their own, so timing the work around a few rain-free days helps the sealer cure and keeps algae from rebounding quickly.
Can I clean my own patio in Montgomery, or is a pro better?+
Surface dust and light dirt are manageable on your own, but Montgomery's entrenched algae and mildew often resist consumer equipment, and excessive pressure can damage concrete. A professional brings proper cleaners plus a sealing step that DIY skips. For shaded, stained, or slippery areas, hiring out usually delivers longer-lasting results.
How often does concrete need cleaning in this area?+
Since organic growth continues all year here, an annual clean is a solid rule, and heavily shaded patios may want a second visit. Sealed concrete can stretch to roughly every two years. Areas under trees or beside downspouts hold moisture longest and tend to need attention sooner than open, sun-exposed slabs.
Why does my Montgomery patio turn green so fast after rain?+
Frequent rain combined with high humidity keeps concrete damp long enough for algae spores to germinate, especially in shade. Montgomery's tree-rich setting makes this worse, since canopy blocks the sun that would otherwise dry surfaces out. A seal helps by closing the pores algae cling to, slowing how quickly that green film returns.
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