Pressure Washing – Brentwood, CA

Brentwood's newer construction runs mostly stucco and Hardie-plank, with some board-and-batten accents on the newer master-planned builds. We wash all wall surfaces, plus pool decks (standard on most lots here), concrete driveways, patios, walkways, and fence panels ahead of staining. Agricultural-edge dust loads are heavier on the east and south exposures facing open farmland — those walls usually need a longer dwell time with cleaning chemistry before rinsing. Pre-paint washes are built into every exterior job we schedule in Brentwood.

Stucco and Hardie both get soft-wash: sub-500 PSI with sodium hypochlorite and surfactant at a 1:4 ratio. Board-and-batten accent sections — whether wood or composite — get the same low-pressure approach. Direct high pressure on painted siding strips the surface and can open up joints. Concrete pool decks and driveways get pressure-wash at 1,500–3,000 PSI using a rotary surface cleaner for flat areas, with hand-wanding on steps and curb edges. Because Brentwood afternoons get genuinely hot, we schedule SH applications for morning work to keep chemistry effective.

Property walk first — we note substrate types, any cracked stucco, open caulk joints, or ground-floor vents that need masking. Windows and exterior lights get masked. Soft-wash application goes top-down on all wall surfaces, with extra dwell time on north and east faces where mildew and dust accumulate in corners. Concrete surfaces get the rotary surface cleaner, then hand-wanding at edges, fence bases, and steps. Plants and ground cover get a water rinse before and after chemical contact. Final walk before we pack up.

Spring (March through May) is the best timing — temperatures are moderate for chemistry, and you're cleaning up winter grime before summer dust season really ramps up. Fall (September through October) is the second window, especially for pre-paint prep before the rains arrive. For any exterior painting project, wash one to two days before the crew starts. Avoid afternoon applications in July and August — SH degrades fast above 95°F, which Brentwood hits regularly.

Total wall surface area and linear feet of concrete are the primary factors. Pool deck square footage adds to the flat-concrete scope. Degree of agricultural dust buildup on east-facing walls affects dwell time. Two-story homes require extension wands or ladder work for upper walls and eaves. Fence panel count for stain prep adds time. Board-and-batten sections with more surface detail take longer to rinse thoroughly than flat stucco.

Washed a two-story stucco home in a Brentwood master-planned community — full house wash, pool deck surface clean, and driveway cleaning ahead of exterior repaint. Cleaned Hardie siding and concrete flatwork on a newer Brentwood build, removing heavy agricultural dust from east and south walls before coating.