St. Johns County • Verified local pressure washing pros
Avg. cost: $100–$700 depending on surface and size
Find Pressure Washing Pros in St. AugustineSt. Augustine's combination of coastal humidity, high annual rainfall, and significant tree canopy in both historic and newer neighborhoods creates ideal conditions for biological growth on exterior surfaces. In the historic district, soft washing is the required technique for older masonry, brick, and stucco surfaces — high-pressure washing can damage historic materials that have been in place for over a century. In newer St. Johns County communities, standard concrete and paver cleaning with appropriate pressure levels is effective and dramatically improves curb appeal. Roof cleaning is particularly important in areas with heavy oak tree overhang, where leaf accumulation and tree drip accelerate algae growth.
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Create Your Business ProfileMost NE Florida homes benefit from an annual house washing, ideally in October or November after the rainy season. Homes in shaded locations, near bodies of water, or in coastal areas often need semi-annual treatment. Driveways and pool decks typically need washing every 12–18 months.
Pressure washing uses high-pressure water (typically 2,000–4,000 PSI) to mechanically remove dirt from hard surfaces like concrete. Soft washing uses low pressure (500 PSI or less) combined with cleaning solutions to kill and remove organic growth from delicate surfaces like siding, stucco, roof shingles, and wood. Using high pressure on painted surfaces or shingles can cause damage.
Properly performed pressure washing at appropriate pressure levels (typically 1,200–2,000 PSI for concrete pavers) will not damage them. However, using too much pressure can dislodge polymeric sand from the joints, requiring reapplication. A good pressure washing company will use correct pressure levels and can reapply joint sand if needed.