Discreet exterior care for Diablo estates
White-glove roof soft washing, house washing, estate maintenance, and discreet commercial property care in Diablo. Diamond Certified, licensed, and discreet since 2014.
Diablo is private and exceptional. So is our service
Diablo is one of the most exclusive addresses in the East Bay, a small unincorporated enclave of historic estates gathered around the Diablo Country Club at the foot of Mount Diablo. The homes here are significant, many of them decades old and architecturally important, and their owners expect a standard of care to match.
We treat a Diablo property the way its owner does: with discretion, a careful hand on heritage materials, and a finish that holds up to scrutiny. Trained, insured, uniformed crews, clear documentation, and none of the disruption of a general contractor.
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Preserving heritage estate roofs



The estates of Diablo carry some of the most significant roofs in the county, decades-old tile, clay, and shake on architecturally important homes, and many are irreplaceable in any true like-for-like sense. When one of these roofs darkens under moss, lichen, and oak debris, owners are sometimes told it must be replaced, an enormous and often unnecessary expense.
In the large majority of cases the roof is sound and simply needs careful cleaning. We soft wash heritage Diablo roofs at low pressure, over as many measured visits as it takes, protecting the surrounding landscape and preserving the original material. The tile returns to its true color, and a maintenance plan keeps it there without the growth ever reaching the point of damage again.
What estate-level care actually means
A Diablo home calls for a different standard, in how the work is done as much as the result.
Private and tidy
Uniformed, insured crews who work discreetly, schedule around you, and leave the property immaculate. No disruption, no strangers wandering.
Heritage materials
Decades-old tile, clay, shake, and stone handled by people who understand what they are and how they must be treated.
Documented and backed
Clear before-and-after documentation, certificates of insurance on request, and a $5,000 guarantee behind every qualifying job.

Cleaning an estate facade without harming it
Can every surface be cleaned the same way? No, and on an estate that distinction matters more than anywhere. Stucco, natural stone, painted millwork, brick, and fine wood each call for a different touch, and treating them all with high pressure is how irreplaceable detail gets damaged. We assess each surface and soft wash at low pressure with the appropriate solution, lifting grime and biological growth while leaving the material and finish untouched.
Why does a Diablo home need regular facade cleaning? The same oak canopy and quiet, damp microclimate that make Diablo beautiful also grow a fine film of algae and settle organic dust across facades, especially on shaded elevations. It builds gradually, dulling the home's presence until a cleaned section reveals the difference. Keeping it off preserves both the appearance and the surfaces beneath.
How is the work carried out on a private property? Discreetly. Uniformed, insured crews who arrive on schedule, work without disruption, protect the surrounding landscape, and leave the property immaculate. Certificates of insurance are provided on request, and every project is documented, so the standard of care matches the home.
Request a private assessmentWhy heritage roofs reward careful cleaning
Replacing a historic estate roof is enormously expensive and sometimes impossible to match. Cleaning preserves it.
Original character
Decades-old tile and clay carry a patina and profile modern replacements rarely match. Soft washing preserves the original rather than discarding it.
A fraction of replacement
A thorough soft wash restores a heritage roof to its true color for a small fraction of a replacement no one wanted to pay for.
Extend its life
Removing moss, lichen, and debris that trap moisture actually extends the roof's service life, protecting the investment for years.

Why cleaning is the sound decision for an estate
Is it worth cleaning an estate roof rather than replacing it? In almost every case, yes, and the difference is measured in tens of thousands of dollars. A darkened heritage roof is rarely a failed roof. It is moss, lichen, and decades of organic growth on sound tile or shake, and beneath it the material is intact. Replacing a roof that only needed cleaning is among the most costly mistakes an estate owner can make, particularly when the original material is difficult or impossible to match.
What does estate-level cleaning actually cost? There is no standard figure, because no two Diablo properties are alike. The roof, the grounds, the hardscape, and the condition all factor in, and the only honest quote is one prepared after seeing the property. What we commit to is a clear, itemized proposal in advance, prepared discreetly and without obligation, so you know exactly what is planned and what it costs before anyone sets foot on the grounds.
The return is straightforward: a fraction of replacement cost, the original character preserved, and the life of the roof and surfaces extended by removing what quietly degrades them.
Residential and commercial services
Book any service on its own, or keep the whole property handled year-round with HomeGuard. Every job uses the right method for your surfaces, by trained, insured crews.
Residential
Most Diablo homeowners choose HomeGuard so the whole exterior stays handled. See how it works →
Residential exterior cleaning
Roofs, siding, driveways, gutters, windows, and more, or keep it all handled year-round with HomeGuard. See everything we do for Diablo homes.
Residential servicesCommercial & HOA services
Storefronts, offices, multi-unit buildings, HOAs, and commercial roofs, cleaned by insured crews on a schedule that works around you. See our commercial work.
Commercial servicesThe clear choice for exterior cleaning
Diamond Certified
The first exterior cleaning company in San Ramon to earn it, awarded on independent customer surveys, the standard a Diablo home expects.
Trusted with estates
Over a decade caring for significant homes across Diablo, Blackhawk, and the Diablo foothills.
White-glove and backed
Uniformed, insured crews, clear documentation, and a $5,000 guarantee on every qualifying job.
The country club and shared facilities
Beyond the private estates, the Diablo Country Club and the enclave's shared facilities require the same discreet, high-standard exterior care. We work with the club, estate managers, and the association to keep facilities, walkways, and common areas immaculate, with the discretion the community expects.
For these accounts we provide insured crews, certificates of insurance, clear documentation, and scheduling that works around members and residents. The standard is simple: the shared spaces of Diablo should look every bit as considered as the estates around them.
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A heritage tile roof, restored not replaced
The owner of an older estate near the Country Club was told by a roofer that their historic tile roof was failing and needed replacement, a six-figure proposition on a home of that size.
The tile was sound. Decades of moss, lichen, and oak debris had darkened it beyond recognition. We soft washed the entire roof over careful visits, protecting the surrounding landscape, and the original tile returned to its true color.
The result: a heritage roof preserved, a very large replacement avoided, and a discreet maintenance plan to keep it that way.
How it works
Request your estimate
Tell us the property and what it needs. We send a clear, no-obligation written quote, often same day.
We do the work
Trained, insured, uniformed crews arrive on schedule and clean with the right method for each surface.
Enjoy the result
Your exterior comes back to its best, documented, and backed by our guarantee.
We serve every Diablo neighborhood
From Diablo Country Club to Caballo Ranchero, we clean homes and properties across Diablo and the 94528 area.
We also serve nearby Danville, Blackhawk, Alamo, and Walnut Creek. Call (925) 633-4342 to confirm service to your address.
Two minutes to a written quote
No obligation. Tell us about your Diablo property and we will send a clear estimate, often the same day.
Everything you might be wondering
Do you clean historic and heritage estate roofs?+
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What does service cost for an estate?+
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Rated five stars across the East Bay
More than 300 five-star reviews across Google, Yelp, Thumbtack, Facebook, and Nextdoor, including over 150 verified reviews on Google and Yelp alone.
EXCELLENT Based on 126 reviews Posted on Google Greg BouchakianTrustindex verifies that the original source of the review is Google. They did a great job! Very thorough, on time, and made sure I was happy when done.Posted on Google Mary ShefferTrustindex verifies that the original source of the review is Google. This company was a pleasure to work with. They were punctual, courteous and did a terrific job. This was sll the way at the top with Josh to the men who actually did the work. My house is 40 years old and it now looks almost brand new. 😊 Thank you so much!Posted on Google tom albertTrustindex verifies that the original source of the review is Google. excellent service for a very moldy patio area as well as walkways. I would recommend these folks without reservation.Posted on Google DAVID ROSETrustindex verifies that the original source of the review is Google. And work was done in a fast and efficient mannerPosted on Google Kunjal VaitharaTrustindex verifies that the original source of the review is Google. I couldn’t be happier with the service from Professional Power Wash and Management (PPWPM)! This job was done at my home in Walnut Creek, and the team did an absolutely fantastic job with both the power washing and the windows—everything looks spotless and refreshed. The windows are super clean I have a property with a front yard, backyard, and side yard—quite an area to be cleaned—along with a mix of surfaces including bricks, concrete, and even a tennis court. They handled every single detail with care and precision. It’s not easy to manage such variety, but they truly did an outstanding job across the board. A special shoutout to Ray, who I was in touch with throughout the process. He is truly wonderful—extremely patient, professional, and has outstanding customer service. What I really appreciated is that he genuinely understands what a customer wants. I’m someone who is very particular (a bit of a clean freak!), and when I pointed out certain things, he made sure everything was taken care of without hesitation. That level of attention and responsiveness really stands out. Honestly, when a business truly takes care of its customers, you know they’re going to do well—and that’s exactly the feeling I got here. Communication was seamless—every text message was responded to promptly, with no delays or confusion. The team was very punctual and arrived right on time. Everything was smooth and efficient from start to finish. They also offer a wide range of services, and based on this experience, I’ll definitely be using them again in the future. It was such a pleasant experience overall. You come across very few companies whose service is truly 10 on 10—and this is definitely one of them. I highly recommend PPWPM to everyone in Walnut Creek and beyond who is looking for power washing or any of the services they offer. I’m 101% sure they’ll do a great job. If you love a fresh-looking home, you will be absolutely happy and thrilled!Posted on Google Eva DeagenTrustindex verifies that the original source of the review is Google. On time. Friendly people. Great job. Great price.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
Based in San Ramon, serving Diablo

Estate grounds and hardscape
A Diablo estate's grounds are as considered as its architecture, and the hardscape is part of that composition. Stone entries, terraces, pool surrounds, motor courts, and paver drives collect the organic grime that thrives under the oaks, and when they dull, the whole setting loses its intended effect.
We clean and, where it helps, reseal these surfaces with the same care and discretion we bring to the home, hand-detailing stone and joints rather than blasting them. The result restores the grounds to the standard the estate was designed to hold.
Get a private assessmentProtecting the estate through the wet season
How often should an estate's gutters be cleared? At least twice a year, and on Diablo's heavily wooded lots often more, because the mature oaks that shade these properties shed steadily into gutters and roof valleys. Clearing them before the winter storms is basic protection, blocked gutters send water where it should never go.
What is at stake if they are neglected? On a significant home, a great deal. Overflow finds its way behind fascia, down facades, and against foundations, and the resulting rot, staining, and moisture damage are expensive to put right and entirely avoidable. Debris left in valleys also holds moisture against a heritage roof, accelerating exactly the growth that ages it. And in these foothills, dry accumulated debris is a fire consideration as much as a drainage one.
Can this simply be handled for us? Yes, and most estate owners prefer it that way. A maintenance program keeps the roof, gutters, facades, and grounds on a discreet, predictable schedule through the year, so the property stays at standard without anyone having to manage it. It is the simplest way to protect the home, and the least intrusive.

Serving homes across Contra Costa
We clean roofs, homes, and hardscapes throughout the East Bay. Explore the nearby communities we serve, or call us to confirm service to your address.
The standard of care your Diablo home deserves
A private, no-obligation assessment, backed by our $5,000 guarantee and a decade caring for the area's finest homes.
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