There is no single calendar that fits every driveway. Wash when you see green or black growth, slick spots, or heavy tire staining, and at least once a year as a baseline in humid Florida. Homes under trees, along canals, or near the Gulf often need more frequent rinses because shade and organic debris hold moisture.
After tropical storms or long wet seasons, inspect for new mildew even if the concrete looked fine before. Gentle cleaning preserves sealer and paver sand better than waiting until the surface is fully black.
What to look for
- Algae in shaded bands along the house or fence
- Dark streaks from leaves or acorns on concrete
- Slippery spots near the garage entry after rain
- Pavers shifting or sand loss, which pressure can worsen if misapplied
Questions to ask
- What schedule do you recommend given my tree cover and sun exposure?
- Is an annual maintenance wash enough, or should we spot treat between visits?
- Will cleaning disturb joint sand on pavers or a decorative sealer?
- How should I maintain between washes: blower, rinse, approved cleaners?
- Can you document before and after photos for HOA or rental turnover records?
How shaded is your drive, and are you inland or closer to salt air on Siesta Key or similar? Neighbors can compare timing.