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Estate and residential exterior cleaning across Old Westbury — slate, cedar, stone, stucco and extensive hardscape, cleaned with methods that won’t damage them.
Old Westbury is Gold Coast country, and the housing stock reflects it. Large lots, mature landscaping, and a significant number of properties built when materials were chosen to last a century rather than a decade.
That changes the work considerably.
Slate roofing, cedar shake, natural stone, original brick, copper gutters and lime-based mortar are all common in the village. Every one of them is damaged by high pressure. Slate loosens and cracks. Cedar raises grain and furs. Older mortar joints wash out of stonework, and once they’ve gone the repair is a mason’s job, not a cleaner’s. We’ve been called to look at all of these after someone else’s visit.
Old Westbury’s mature canopy is one of its defining features and it creates a persistent damp-shade problem. Surfaces on the north side of a building here often never fully dry between rainfalls, which is exactly what algae, moss and lichen need. Roof slopes facing north show Gloeocapsa magma streaking earlier and worse than in more open parts of Nassau.
Long driveways, courtyards, terraces, pool surrounds and walled gardens mean far more hard surface per property than a typical Nassau home — often in stone, brick or older pavers rather than plain concrete, and each wants a different approach.
Estate properties here run substantial irrigation systems, and mineral content in the water leaves orange-brown rust staining on stone, stucco and concrete over time. It’s one of the more common calls we take from this village, and it needs specific treatment rather than pressure.
Heavy tree cover means these properties generally need more frequent attention than open, inland Nassau homes.
Twice a year, and the fall clearing matters more here than almost anywhere. Mature canopy fills gutters fast.
Annually for most properties; shaded elevations may want it more often.
Every two to three years, sooner on north-facing slopes under trees.
Annually, more for shaded stone and brick that holds moisture.
Treated as it appears; catching it early is the difference between removal and permanent marking.
On Old Westbury properties, soft washing isn’t a preference — it’s the only responsible approach to most of what’s on them.
Soft washing applies professional-grade cleaning solutions at low pressure, roughly the force of heavy rain. The solution breaks algae, moss and lichen down at the root and kills the spores; the pressure only rinses. That’s why it lasts — a pressure wash removes what’s visible and the growth returns within months, because nothing was actually killed.
High pressure is reserved for surfaces that genuinely take it, and on an estate property that’s a short list.
Before anything starts, we protect the property. Landscaping is watered down and covered, fixtures, lighting and cameras are shielded, and everything is rinsed again when we finish. On properties with significant planting, that preparation takes real time — which is precisely why we do it.
We’re members of the Power Washers of North America. On a slate roof or original stonework, that distinction isn’t academic.
Most exterior damage we’re asked to fix was caused by cleaning. Knowing which surfaces take pressure and which need chemistry is the entire job.
Landscaping pre-wet and covered, fixtures shielded, everything rinsed after. It takes longer, and it’s why we don’t leave damage behind.
Members of the Power Washers of North America — standards around method, insurance and environmental practice. Very few Long Island companies hold it.
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Yes. The hard surfaces closest to the water dock boards, seawall caps, patios and pool surrounds grow algae quickly and are a regular part of our Bellmore work. We match pressure to the material so nothing gets damaged.
Usually, yes. Homes near the canals and the bay take a saline film year-round that holds moisture and feeds growth, so waterfront Bellmore properties typically want annual house washing rather than every other year.
Yes, and its the right approach. Salt-stressed vinyl and aluminum are more vulnerable to high-pressure damage, so we soft wash low pressure with the cleaning solution doing the work.
Yes, waterfront and inland, plus North Bellmore and the surrounding South Shore hamlets. Call 631-627-8888 if youre not sure.
Tell us about the property and we’ll come back within 24 hours.
We’ll be in touch within 24 hours. Urgent? Call 631-627-8888 — we answer around the clock.
