Pressure Washing in Hesperia, CA

Pressure washing in Hesperia is mostly a fight with dust and minerals, not moss. The city has a cold desert climate with about 6.19 inches of rain a year, summer highs that typically approach 100 degrees and winter nights near freezing. With so little rain to rinse things off, fine dust settles on stucco, solar panels, windows and block walls and stays there. Sprinkler overspray and drip lines leave white rings on walls and concrete. Driveways collect oil and rust that the sun bakes in. A good cleaning plan starts by matching the method to each of those surfaces instead of using one high-pressure setting on everything.

Soft washing versus pressure washing

The same machine can do both jobs, but the force is very different. Soft washing puts a cleaning solution on at low pressure, lets it loosen the dirt, and rinses gently. We use it on stucco, painted trim, roof tile, composition shingles and solar glass, all of which can be chipped, etched or stripped by a high-pressure tip. Pressure washing, usually with a rotary surface cleaner, is for concrete, pavers and block, where the material can take the force and the stains are ground in.

Wind, dust and the Cajon Pass

Hesperia sits at roughly 3,200 to 4,000 feet, on the desert side of the Cajon Pass, the route between the San Bernardino area and the Victor Valley. The pass is known for high winds, with gusts up to 60 mph during Santa Ana season. Wind events push dust into stucco texture, window tracks, garage door panels and the bottom courses of block walls. A house that looked clean in spring can be gray by fall. Because the dust is dry and loose, we blow or brush off what we can before any water goes on, which makes the wash faster and uses less water.

Hard water spots on glass and panels

Hesperia's water comes from groundwater. The Hesperia Water District draws it from wells in the Alto subarea of the Mojave River groundwater basin. Groundwater carries dissolved minerals, and when droplets dry in desert sun they leave white spots on glass, panels and dark surfaces. That is why we do not finish solar panels or windows with straight tap water. We rinse glass with filtered, low-mineral water so it dries clear, and we work shaded sides and cooler hours in summer so rinse water does not flash-dry.

Where the wash water goes

The City of Hesperia, the Town of Apple Valley, the City of Victorville and San Bernardino County share a state stormwater permit for the urbanized part of the Mojave River Watershed. Under it, the agencies must prohibit non-stormwater discharges into the storm drain system, and an illicit discharge is anything entering a storm drain that is not entirely stormwater. The Mojave River Watershed Group tells people pressure washing building exteriors to block nearby storm drains and divert wash water onto a dirt area. On most Hesperia lots there is open ground nearby, so we usually direct rinse water there, set temporary berms across the path to the street, or collect it where that is the better choice.

Water-use rules

Outdoor water-use rules come from your water supplier, such as the city-run Hesperia Water District, and they can tighten during a drought. California has also, at times, barred hosing down driveways and sidewalks with drinking water. We work with trigger guns that stop the flow when released, sweep or blow surfaces before washing, and keep runoff on the property. We check current rules before scheduling and will tell you if a job should wait.

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What a typical Hesperia house wash includes

• A walk-around to note stucco condition, cracks, peeling paint and where water will drain
• Dry cleaning first: blowing dust off walls, sills, window tracks and the garage door
• Covering or wetting plants, closing windows and checking outlets and light fixtures
• Low-pressure application of a cleaning solution suited to the surface
• A gentle top-to-bottom rinse, including eaves, trim, doors and the front entry
• A spot-free rinse on windows within reach, and cleanup before we leave

Before you list or paint

Hesperia had 30,344 housing units at the 2020 census, and about 65 percent were owner-occupied. Many of those homes were built during the growth that took the city from roughly 5,000 people in 1970 to more than 60,000 by 2000, so plenty of stucco, block walls and driveways are now decades old. A wash before you sell or repaint shows what is dirt and what is wear. If you are preparing to list or have painters booked, tell us the date so the surfaces have time to dry.

Hesperia is home base. From there we serve the rest of the Victor Valley: Victorville to the north, Apple Valley and Spring Valley Lake to the east, Adelanto to the northwest, and Oak Hills, Phelan and Piñon Hills to the west and southwest, along with nearby high desert communities such as Helendale and Lucerne Valley. The towns share the same dry climate, wind and dust, but the details change from place to place. Lots get larger and more rural toward Oak Hills and Phelan, where long driveways and block or ranch-style fencing are common. Victorville, Apple Valley and Hesperia share the Mojave River Watershed stormwater permit with San Bernardino County, but water service comes from different providers depending on the address. Each area page covers what applies there, and we check the local water provider's rules before scheduling.