A Colter Bay exterior collects three different things, and only one of them is dirt. It sits in Nampa off Cherry Ln near N Franklin Blvd in 83687, and it is twenty-odd years old, recorded 2003–2004 across 4 phases. About 78 acres and about 248 lots, compact enough to do several homes in one visit — which is what the quote is built from.
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Exteriors here collect three separate things. On north and east elevations, where sun never fully dries the wall, you get algae and mildew as a green-black film. Along the bottom three feet you get mud splash and irrigation overspray staining — the same mineral that marks the glass marks the siding, and on light vinyl it reads as a permanent dingy band. Everywhere else you get Canyon County field dust — spring disking, the summer hay and mint cuttings, and the fall onion, sugar-beet and silage harvest, carried on the west wind off the Snake River plain. Each needs different treatment, which is why one pass with a pressure wand does a poor job on all three. We see it most consistently on the homes along E Expedition Ct.
House washing is a chemical process, not a force one. We apply a surfactant and sodium-hypochlorite blend at low pressure, give it dwell time to kill the growth at the root, and rinse. High pressure drives water up behind lap joints and into the wall assembly, strips the chalking layer off aging vinyl, and on stucco and manufactured stone it will take the finish off outright. Soft washing kills the algae rather than knocking the top off it, which is why it stays gone longer. We pre-wet and rinse every bed on the wash path. On Colter Bay homes of this vintage we check condition before method, every time.
The local variable here is Canyon County field dust — spring disking, the summer hay and mint cuttings, and the fall onion, sugar-beet and silage harvest, carried on the west wind off the Snake River plain. It does not act alone — it lands on glass and siding still damp from irrigation and binds into the mineral film, which is why Colter Bay properties go from clean to visibly dirty faster than owners expect. If you are on Amy Ln or one of the streets off it, we are likely already working nearby.
Most Colter Bay customers book this alongside window cleaning. Partly that is price, partly sequence — washing walls after cleaning glass puts dirty water back on clean panes, and hanging lights before clearing gutters means working around your own strands in January.
Colter Bay is on our regular Nampa route, not a special trip. We already work E Expedition Ct, N Hess Pl, Amy Ln and N Judith Ave inside the subdivision. It routes off Cherry, which is how we keep travel out of the price. We schedule by area rather than first-come, which keeps drive time down and holds prices where they are.
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Not at soft-wash pressure. The mix is diluted, beds are pre-wet and rinsed, and we never drive water behind lap joints. We will point out anything already failing before we wash it.
Yes — Colter Bay is on our regular Nampa routing in 83687. We already run E Expedition Ct, N Hess Pl and Amy Ln. Locally owned, fully insured, rated 4.9 stars across 125+ Google reviews. Call (208) 453-6760 or get a quote online.
$0.18/sq ft soft-wash. The final number depends on the property, and there is no contract and no membership requirement. Booking it alongside another service on the same visit is the cheapest way to do it.
Every one to two years for most homes. North-facing walls and anything shaded by a fence or neighbouring house grow back faster and may want annual attention.
The wash rinses them but it is not a window cleaning — soft-wash mix leaves residue on glass. Book them together and we do the glass after the walls, in that order.
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