North End yards don't share an irrigation design. No HOA sets the standard, and no builder trenched the whole street in one week. Most of these 1905-1935 lots got sprinklers retrofitted decades later, one yard at a time, which is why two Craftsman bungalows on the same block can have completely different mineral etching on the glass.
North End was platted long before anyone ran irrigation mainline down an entire street in a single week. There's no HOA common landscaping, no builder-installed system that every house on the block shares, and no management company standardizing heads and nozzles. What you have instead is a century of individual retrofits: a 1970s brass impact system in one yard, a 2000s gear-drive job next door, and a half-updated mix across the street where somebody redid the front zone and left the side yard on original hardware. That's why hard water etching here is a house-by-house problem, not a neighborhood-wide one. We've cleaned two homes on the same block in the same afternoon where one had light spotting that came off with a normal wash and the other had years of deposit ridged into the lower sash.
Plenty of older Boise lots carry surface water rights and irrigate off the ditch system instead of the treated line feeding the house. If yours does, what's hitting your glass is untreated canal water, which carries suspended silt on top of the dissolved minerals. It dries into a gritty layer that bonds to the glass, and the silt makes it feel rougher than the clean chalky spotting you get from a city-water hose bib. Those two stains don't respond the same way and they don't take the same amount of work. We can't tell which one you have from a phone photo, so we look at it in person, feel it, and price it from there. Systems on a canal schedule also water in long soaks, which means more contact time on any wall a head is clipping.
North End side yards are tight, often eight to ten feet between the house and the property line. A head set to cover that strip has to throw nearly wall to wall, so whatever doesn't land on grass lands on siding and lower sash. Garden-level and basement windows sitting a foot off grade catch splash-back off the lawn and the walkway on top of the direct hit. The south and west faces bake dry within minutes on a July afternoon, so the mineral sets hard instead of running off, and those elevations are usually the worst ones on the house. Second-story staining almost always traces back to a head that got raised on a riser over the years to clear shrubs that kept growing, which lifted the trajectory right into the upper glass.
Wet the window with a hose or a soaked rag and watch it. If the haze disappears while the glass is wet and comes back as it dries, that's mineral sitting on the surface and it will come off. If it's still visible while the glass is soaking wet, the mineral has already etched into the glass itself, and no compound, blade, or acid brings that back. That's a glass replacement conversation, not a cleaning one. Run a fingertip across it too, because ridges you can feel are deposit. We run this test on site before we quote, and we'll tell you when a window is past saving rather than charge you to polish something that won't change. On original wavy glass we're also conservative about how aggressive we get, since heavy mechanical work can distort old glass.
Restoration work near painted wood sash takes more care than it does on a vinyl frame. Acidic compounds will burn paint, chew glazing putty, and stain old sills, so we mask, control the runoff, and rinse rather than let anything sheet down the trim. Where a storm window sits over the primary sash, both faces often need attention and that changes the scope. Hard water stain removal is quoted by severity after we've tested the glass, because a light season of overspray and a decade of baked-on deposit are not the same job. It's included on our Monthly membership. No contract either way, every visit is backed by a 7-Day Rain Guarantee, and same-day or next-day slots are usually open. Call (208) 453-6760. Founded 2025 by Hunter Stevens and Ethan Seusy, 115+ Google reviews at 4.9 stars, fully insured and locally owned.
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Because you almost certainly don't have the same sprinkler system. There's no HOA here and no builder-installed setup shared across the street, so every North End yard got retrofitted separately, in a different decade, by a different person. Head type, riser height, arc setting, and how close the heads sit to the wall all differ yard to yard. One head aimed twelve degrees off is the whole difference.
Depends on the stage. Surface deposit comes off, and usually looks like new glass afterward. Mineral that has etched into the glass surface does not come out, by any method, from anyone. The honest test is to wet the glass: if the haze vanishes while wet, it's coming off. If it's still there soaking wet, the glass is damaged. We check this before quoting so you're not paying for a result we can't deliver.
On a modern vinyl window, maybe. On original North End sash, be careful. Acidic products run down onto painted wood, soften decades-old glazing putty, and leave marks on old sills that don't clean off. Razor blades are also a bad idea on antique glass that already carries wave and small pits. If you do try something, work a small low corner first and keep the runoff off the wood.
Usually it looks different rather than strictly worse. Untreated surface water carries silt along with the dissolved minerals, so it dries into a grittier layer that feels rough instead of chalky. Ditch schedules also tend to mean longer soak times, which is more contact on whatever wall a head is clipping. Either way the fix is the same: get the spray off the glass, then deal with what's already bonded.
Fix the aim, not the glass. Walk the zones during a run and watch which heads are touching the house, then reduce the arc, swap to a lower-trajectory nozzle, or drop a riser that got tall while the shrubs grew. Water early morning so any overspray that does land doesn't bake dry in afternoon sun. Cleaning without adjusting the heads just resets the clock.
It's quoted by severity, after we've looked at the glass in person. A single season of light overspray on a few side-yard windows and ten years of ridged deposit across a whole west elevation are very different amounts of work, and pricing it sight-unseen would be a guess. It's included on our Monthly membership. Call (208) 453-6760 and we'll come test it and give you a real number.
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