Boise Heights driveways sit at the bottom of a hillside that sheds decomposed granite every spring runoff, and the older retaining walls up here bleed white mineral streaks nobody notices until it's thick. We pressure wash the concrete, not the glass — driveways, walkways, patios and common-area concrete, priced at $0.20 per square foot.
Every spring the same runoff that dirties your windows in Boise Heights washes decomposed granite down off the Boise Front and settles it into your driveway and walkway. It's pale, fine, and it packs into the pores of broken or exposed-aggregate concrete instead of sitting on top the way valley dust does. Wheel tracks turn it into a gray haze down the center of the driveway within a few weeks. A garden hose moves the loose stuff and leaves the packed-in grit behind. We run a surface cleaner at pressure high enough to lift it out of the texture without gouging the concrete, working the full width of the drive and the walkway apron, not just the visible strip. Driveways, patios and walkways run $0.20 per square foot.
Half the lots in Boise Heights are held up by a retaining wall, and most of those walls are showing a chalky white bloom at the base or streaking down from the weep holes. That's efflorescence — mineral salt that groundwater pulls out of the block or concrete as it works its way through and evaporates on the face. Pressure washing lifts it off and the wall looks clean again for months. What it will not do is stop the wall from making more. If the drainage behind the wall is still feeding it water, the white will come back, usually within a season, and no amount of pressure changes that. We'll tell you if a wall looks like a drainage problem instead of a cleaning one before we quote it.
The same uphill shade that keeps algae on your eaves keeps your north-facing steps and walkway slick most of the winter and into spring. Concrete under a shaded canopy in Boise Heights holds moisture two or three times longer than a south-facing patio a hundred feet away, and that's long enough for algae and moss to get a foothold in the surface texture. It's not just cosmetic — wet algae on a concrete step is genuinely slick, and on a side-hill lot with a steep walk down to the driveway that matters. We treat it with the right cleaner first to kill what's growing into the pores, then pressure wash it off, rather than just blasting green off the top and leaving the roots to regrow in a month.
A chunk of Boise Heights has filled in with new construction in the last few years, and those driveways carry a different problem than the seventy-year-old ones next door. Fresh concrete pours often leave a hazy film from curing compound or a sealer that hasn't fully cured, and that haze traps dust and tire residue faster than older, weathered concrete does. It also means we don't just crank the pressure and go — too much pressure too close on a new sealed surface can strip or streak it. We test a section first and adjust the tip and distance before working the whole slab, so a new driveway doesn't come out blotchy.
Access is the same fight here as it is for window jobs: narrow streets, no shoulder to stage a rig on, and driveways that pitch hard enough that we're running hose uphill instead of just unrolling it flat. Some streets also have HOA-maintained common walkways or shared stairs down to a lower lot, and those get cleaned on the same visit if they're part of your assessment. Driveways, patios and walkways are $0.20 per square foot. Most Boise Heights homes pair pressure washing with a Quarterly membership, timed for right after spring runoff and again after fall leaf drop, which is when this hardscape actually needs it. No contract either way, and every job carries our 7-Day Rain Guarantee. Reflekt is locally owned, founded in 2025 by Hunter Stevens and Ethan Seusy, 125+ Google reviews at 4.9 stars. Call (208) 453-6760.
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It'll get the wall clean, but 'for good' depends on what's behind it. That white bloom is efflorescence — mineral salt pushed out by moisture moving through the block. If the drainage behind the wall is working, cleaning it can last a year or more. If water is still feeding through, it comes back within a season no matter how hard we wash it. We'll tell you which situation you're in before we quote the job.
Not at the pressure and distance we run it at. Exposed aggregate is actually where decomposed granite packs in hardest, so it needs pressure washing more than smooth concrete does, not less. The risk is using a pressure washer wrong — too close, too narrow a tip — which can etch lines into the surface. We use a surface cleaner that keeps the tip moving at a consistent distance across the whole slab instead of a wand held in one spot.
Yes, but we treat it differently than an older slab. New pours and fresh sealer are more sensitive to pressure and heat than concrete that's been weathering for a decade. We test a small section first, back off pressure and distance until it's cleaning without stripping the sealer, then work the rest of the driveway the same way. If a driveway was sealed in the last few months, tell us when you book so we can plan for it.
Most of the pitched driveways in Boise Heights are fine — we run hose uphill from the truck all the time. Where it gets genuinely tight is a short, steep drive with no flat spot to stage on, or a shared drive with no turnaround. Tell us your street and driveway situation when you book, and we'll plan where the truck parks and how much hose we're running before we show up.
We can, if it's part of what you're asking us to quote — either as an individual homeowner request or coordinated with the HOA directly. Shared stairs and common walkways on the shadier, uphill lots collect the same algae and granite grit as private driveways, sometimes worse, because nobody owns the job of keeping after it. Ask when you call and we'll price it separately from your own driveway and patio.
Once a year covers most driveways on the valley floor, but Boise Heights runs on two real dirt events: spring runoff bringing granite silt down the hill, and fall leaf drop staining concrete under the canopy. A single annual clean means one of those sits for six months before you get to it. That's why most homes here do better on a Quarterly membership timed around both.
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