Franklin Village went up as builder vinyl lap with stucco and stone accents on the front elevations, and that mix decides how the house gets dirty. Sprinkler line along the bottom courses, algae shadow on the north walls, chalky fade on the Franklin Blvd side. Three different problems, three different fixes.
Walk Franklin Village and it is the same recipe house to house: vinyl lap siding on three and a half sides, a stucco or stone-veneer accent on the front elevation, and vinyl trim in the J-channel around windows and soffit. It is newer subdivision stock, not the 1990s hardboard and T1-11 that fills older Nampa neighborhoods, and that matters because vinyl and stucco stain in completely different ways on the same wall. Vinyl holds a film of road dust and pollen that rinses off at low pressure. Stucco and mortar are porous, so anything that soaks in — iron, mineral, organic growth — has to be pulled out chemically instead of blasted off. Treating the whole house one way is how people end up with a clean wall and a blotchy entry.
Nampa's pressurized irrigation comes off the canal system and turns on around mid-April, and it is loaded with silt, iron and hard minerals. In Franklin Village the lot spacing is tight enough that heads on a fixed spray pattern hit the house all season, and you end up with a rust-orange or chalk-white band across the bottom two or three feet of siding. On vinyl, that band comes off with a soft wash and the right mineral treatment. On stucco and mortar joints, be honest with yourself: iron that has been soaking into porous stucco for four or five seasons will lighten dramatically but may not disappear. Pressure alone will never touch it — you will only carve the stucco surface. The permanent fix is turning or shortening the head that is causing it.
The same house has two totally different dirt problems depending on which way the wall faces. The north side, and anything shaded by a neighbor's roofline on these tighter lots, holds moisture long enough to grow green algae — that is biological, and it needs a soft-wash solution that actually kills it, not a rinse that pushes it around and lets it come back in six weeks. The south and west walls, especially the ones catching afternoon sun off Franklin Blvd, get the opposite: a dull, chalky surface where the vinyl's pigment has oxidized. Washing removes the loose chalk and the road film on top of it, and the wall gets noticeably brighter. It will not restore the original color. If the siding is chalking down to a faded pastel, that is a paint or replacement conversation, not a washing one.
House washing here is a low-pressure job, not a pressure-washing job. Vinyl lap is a lap system — water driven upward under the courses or straight into the J-channel around windows ends up inside the wall, and on a newer build that means wet sheathing and a stain that shows up months later. We work top down at low pressure, keep the fan angled with the laps instead of into them, let the solution do the work on dwell, and rinse thoroughly so nothing dries on the glass or the stone veneer. Landscaping gets pre-wet and rinsed after. Soft washing runs $0.18 per square foot and is safe on vinyl, stucco, hardie and brick alike. Windows are a separate service with pure deionized water — house-wash rinse water will spot glass every time.
If you only wash the house once a year, do it in late spring or early summer, after the mid-April irrigation turn-on has run its dirtiest first flush through the sprinklers. Washing in March just means you pay to clean the wall right before the worst water of the year hits it. Algae on the north side is a different clock — that one is worth catching before it darkens into a solid green sheet, usually a fall or early-spring visit. At $0.18 per square foot, most Franklin Village homes fall in a predictable range, and we quote before we start. Monthly and Quarterly memberships have no contract, and the 7-Day Rain Guarantee covers you if a storm hits within a week. Same-day and next-day slots are usually available.
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It will lighten it, often a lot, but on porous stucco that has been soaking up canal iron for several seasons I will not promise it disappears. Vinyl releases that stain far more completely than stucco or mortar does. Pressure is not the answer either — it etches the stucco surface and leaves a permanent halo. The real fix is adjusting the sprinkler head that is hitting the wall.
We are not pressure washing it. House washing on vinyl lap is a soft wash: low pressure, cleaning solution, dwell time, thorough rinse. High pressure on lap siding does two things you do not want — it can crack or chip aged vinyl, and it drives water up under the courses and behind the J-channel into the wall assembly. On a newer Franklin Village build that is the expensive mistake.
Because it was rinsed, not treated. Algae is a living growth, and if the cleaning only knocked the visible layer off the surface, the root of it stays in the siding texture and comes right back the first damp stretch. A proper soft wash uses a solution that kills the growth so regrowth starts from zero. Shaded north walls on tight lots will still be the first side to go green again.
Partly. That chalk is oxidized pigment on the vinyl surface, and washing removes the loose chalk plus the road film sitting on top of it, so the wall reads much brighter. What it cannot do is put color back into siding that has faded. If a wipe with a wet rag leaves heavy white residue on your hand, you are looking at oxidation, and that is a paint decision.
Do the house wash first, then the windows — in that order, ideally the same visit or right after. Rinse water off siding carries minerals and will spot glass as it dries, so cleaning windows first wastes the work. Our window work uses 100% pure deionized water with no soap, which dries without spotting. It is a separate line item, not part of the $0.18 per square foot.
Not if the crew does it right. Beds and shrubs against the foundation get pre-wet before we start and rinsed again when we finish, which keeps anything from concentrating on the leaves. Flatwork under the wall gets rinsed too. Tell us up front about new sod, a vegetable garden, or anything you have babied through the summer and we will tarp or work around it.
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