Highland's concrete is new. Broom-finished driveways poured within the last few years off Substation Road, most still light gray and still picking up their first real stains. Construction traffic, gravel-shoulder dust, and hard well water hitting fresh slabs make a different mess than a forty-year-old driveway downtown.
A slab poured in the last two or three years is still giving off moisture and still shedding laitance, the weak cement film that floats to the top during finishing. That film holds dirt like a sponge and comes off in patches, which is why a fresh Highland driveway often looks blotchy after a cheap wash rather than clean. Efflorescence is the other new-build signature here: chalky white bloom that pushes up through the surface, heaviest along the garage apron and the cold joints. It looks like a stain and it is not. Pressure lifts the surface deposit, but on a young slab it will come back a few more times before the concrete finishes curing out. We wash it accordingly instead of pretending one visit ends it, and we drop pressure and keep the head moving so we are not carving the finish off a slab that has not fully hardened.
Highland is still building out, so half the mess is temporary and specific. Unpaved lots and gravel shoulders put fine dust on every apron, and the first wet week turns it into a mud film that traffic grinds into the surface. Delivery trucks and concrete rigs leave tire scuff and the occasional hydraulic drip near the street. Finish crews leave mortar and stucco splatter on driveway edges and along stone accent bases. Then there is water: Emmett groundwater runs hard, ten to fifteen grains, so sprinkler overspray dries into a white calcium rim along the walkway edge, and on lots bordering irrigated ground the canal water thrown by wheel lines carries silt and iron. That iron is what turns into the orange fan-shaped stain most Highland homeowners eventually call about. Shaded north-side walkways in the older phases also pick up a thin green algae film that never fully dries out.
Highland has shared hardscape the way a Meridian or Star subdivision does, which is unusual for Emmett. Entry monuments, mailbox kiosk pads, and stretches of sidewalk take foot traffic and sprinkler spray from irrigation heads that nobody adjusts for the walk, so the common concrete usually looks worse than any individual driveway on the street. Mailbox pads are the worst of it, because that is where cars idle, people stand, and the head throws water twelve months a year. We quote common areas by the same square foot rate as private work and can bill the association directly. If you are on the board or just tired of walking past it, get us the approximate dimensions and we can put a number to it before anyone commits to a meeting agenda item.
Flatwork gets a rotary surface cleaner rather than a wand, which is what keeps a driveway from ending up with the zebra striping you see on DIY jobs. Edges, control joints, and the seam against the garage door get detailed by hand afterward, because a round cleaner head cannot reach into a square corner. Siding, soffit, and any painted or stucco surface gets soft-washed at low pressure with detergent doing the work, not the machine. Colored, stamped, or sealed patios get dialed down further and tested in an out-of-sight spot first, since a failing sealer will flake under pressure that plain gray concrete shrugs off. Driveways, patios, and walkways run $0.20 per square foot. A typical Highland three-car driveway measures around 800 square feet, so that is roughly $160, and we measure rather than guess before you agree to anything.
Worth knowing before you spend money. Iron and rust staining from well or canal irrigation is a chemical stain that has bonded into the pore structure, and a pressure washer will clean around it and make it look more obvious, not less. Rust needs an oxalic acid treatment, which is a separate step we will tell you about up front rather than after the fact. Old motor oil that has soaked in for years lightens but rarely disappears. Spalling, where the surface is flaking off in dime-sized chips from freeze-thaw or from deicer tracked in over Freezeout Hill in winter, gets worse under pressure, and we will point it out and back the machine off instead of accelerating the damage. If your driveway is under about six months old, wait. The concrete is still gaining strength and there is nothing on it yet worth risking the finish for.
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Probably not, but it changes how we run the machine. Concrete under about six months old should be left alone entirely. Past that, we wash it at reduced pressure and keep the surface cleaner moving so we are not stripping a finish that is still hardening. Expect some white efflorescence bloom to return afterward on a slab that young. That is the concrete curing out, not a bad wash.
Not with pressure by itself. That is iron carried in irrigation water, and it has bonded into the concrete pores rather than sitting on top. Washing removes the dirt around it and often makes the stain look brighter. It takes an oxalic acid treatment to pull iron out. We will tell you during the quote whether your stain is a candidate and what it costs, instead of washing first and explaining later.
Driveways, patios, and walkways are $0.20 per square foot. A standard two-car driveway around 600 square feet runs about $120, and a three-car around 800 square feet runs about $160. Adding the front walkway and porch usually lands in the $30 to $50 range depending on size. We measure on site rather than quoting off a photo, so the number you get is the number you pay.
Yes, and the common concrete in Highland usually needs it more than the driveways do. We quote shared hardscape at the same square foot rate and can invoice the association directly rather than routing it through a homeowner. Send approximate dimensions of the pads and sidewalk runs and we can give the board a number before it goes on a meeting agenda.
Not the way we run it. Siding, stucco, and stone get soft-washed at low pressure with detergent doing the cleaning. Stamped or colored patios get tested in a hidden spot first, because if the sealer is already failing it will flake under any real pressure and you would rather find that out on one square foot than the whole patio. If we see a sealer problem, we stop and tell you.
Spring, once overnight lows stay above freezing, is ideal. It clears the winter grit and any deicer tracked in over Freezeout Hill before it works into the surface. Late fall is the second-best window, before the first hard freeze. We avoid washing flatwork when temperatures will drop below freezing that night, since water left in the pores expands and can worsen existing spalling.
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