How Often Should You Pressure Wash Your House in Florida?

For most homes, once a year is the right rhythm. But that national rule of thumb was not written for Florida. On the Gulf Coast, heat, humidity, salt air, and afternoon rain turn your house into a greenhouse for algae and mildew, so a lot of Pinellas County properties need attention more than once a year. The real answer depends on the surface, the shade, and how close you are to the water.

Here is how often to clean each part of your property, and the signs that tell you it is already overdue.

Why Florida is on a faster schedule

Most of what makes a home look dirty here is not dust, it is living growth. Algae, mold, and mildew need warmth and moisture, and we hand them both for nine months a year. Shaded and north-facing surfaces stay damp the longest, so they go green first. Homes near the coast, from Indian Rocks Beach to St. Pete Beach, see growth come back even faster because salt air keeps everything slightly wet. The takeaway: the closer you are to the Gulf and the more shade you have, the shorter your cleaning interval.

How often to clean each surface

House exterior (siding and stucco)

Every one to two years, using soft washing, not a pressure washer. Siding, stucco, and painted surfaces should never be blasted with high pressure. A low-pressure soft wash treats the algae at the root so it stays cleaner longer. Coastal and heavily shaded homes lean toward the yearly end of that range.

Driveways, sidewalks, and concrete

About once a year for most homes, and twice a year if the driveway sits in shade or under trees. Concrete handles real pressure washing, so this is where the surface cleaner earns its keep, lifting mildew, tire marks, and that gray film that creeps in. If you wait until it is fully black, it takes longer and costs more to bring back.

Roofs

Every two to three years, and sooner near the coast. Those dark streaks are roof algae eating the limestone in your shingles, and they only get worse. Roofs always get the gentle soft wash treatment. We go deeper on this in our post on black streaks on your roof.

Pavers, patios, and pool decks

Clean them once a year, and reseal pavers every two to three years. Pavers handle pressure, but a proper job re-sands the joints and reseals so the color lasts and weeds stay out. That full process is on our paver sealing page.

Signs you are already overdue

Do not wait for the calendar if you see any of these:

• Green or gray film creeping across siding, sidewalks, or the pool cage
• Black streaks running down the roof
• A driveway or pool deck that feels slick when it is wet
• A friendly letter from your HOA
• You are selling, refinancing, or due for an insurance inspection

That slick feeling matters most. Algae on a walkway or pool deck is a real slip hazard, which is one reason regular cleaning is about safety as much as looks.

Cleaning on a schedule is cheaper

The single best way to keep costs down is to never let buildup get heavy. Light growth rinses away quickly. Five years of baked-on mildew takes far more time, stronger treatment, and a bigger invoice. Booking a yearly visit, ideally bundling the house, windows, and driveway into one trip, almost always costs less than a salvage job later. We broke the numbers down in our Tampa Bay cost guide.

Not sure where your property stands? Send us a photo. We serve Seminole, Largo, Clearwater, St. Petersburg, and the beach communities across Pinellas County, and a quick look plus a free estimate costs you nothing.