Roof cleaning in Granite Bay
Big oak canopy, big roofs, and the shade that feeds growth
Cable Pressure Washing and Solar Panel Cleaning handles residential roof cleaning across Granite Bay as part of our Placer County roof cleaning service. We are a father-and-son crew based in Rocklin, minutes down Douglas Boulevard, and Granite Bay is a regular stop, from Los Lagos and Wexford to Ashley Woods and the streets around Granite Bay Golf Club.
The black streaks on those roofs are organic growth, a roof algae called Gloeocapsa magma, technically a cyanobacteria often mistaken for a fungus or mold. It will not rinse off in winter rain. Granite Bay's larger lots and mature oak canopy add to the problem: shade holds moisture longer, and falling leaves and debris give the growth something to feed on. Here is the right way to deal with it, and what it costs.
The method
Soft wash only. Never high pressure.
A roof is the one surface where pressure washing does real damage. High pressure strips the protective granules off asphalt shingles and can crack concrete and clay tile, and either one shortens the life of the roof you are trying to protect. That is why our roof cleaning is a soft wash every single time: low-pressure application of a cleaning solution that kills the algae, moss, and lichen instead of blasting at the stains they leave.
Because the treatment attacks the growth itself, the roof does not just look better, it stays cleaner longer than a surface-level rinse could manage. The solution keeps working after the crew leaves, killing the growth down to the spores over days and weeks while the weather carries the dead material off. The full method is covered on our roof cleaning service page, and the science of the streaks lives in the black streaks on roof guide.
What it costs
Roof cleaning cost in Granite Bay
Upfront pricing, no hidden fees: roof soft washing runs $0.40 per square foot of roof area, and most Granite Bay homes land between $450 and $700. Granite Bay's larger tile roofs push some jobs toward the top of that range, and roof size and pitch set the actual number. The material mostly does not; tile and composition shingle wash the same way and price the same way.
| Service | Rate | Typical range |
|---|---|---|
| Roof soft wash | $0.40 per sq ft | $450–$700 for most homes |
| Gutter cleaning add-on | $1.00/lin ft single-story · $2.00/lin ft two-story | $200 minimum |
| Gutter brightening | Discounted add-on when we are already on site | |
Pricing current as of August 2026. This is an estimate range. Your final price is confirmed with a free on-site estimate.
Want a number without a phone call? The cost calculator gives you an instant range, and bundling your roof with other surfaces on the same visit saves about 10%.
Local knowledge
Oak canopy, large lots, and roofs that need it more often
Granite Bay sits where the Sacramento Valley meets the first Sierra foothills, and the mature oak canopy across Los Lagos, Wexford, Ashley Woods, and the streets around Granite Bay Golf Club is the defining feature of the area's roofs. Large tile roofs on large lots sit under that canopy for years, and shade plus falling leaf and twig debris is exactly the combination that lets moss and black algae establish themselves faster than on an open, sun-exposed roof.
Tile under the oaks
Concrete tile is the dominant roofing material on Granite Bay's larger homes, and tile holds growth in its channels and overlaps longer than shingle does. Careless foot traffic cracks tiles, so the crew keeps foot traffic to the minimum the job actually needs and treats the growth chemically rather than trying to scrub or blast it off.
Shingle roofs and metal roofs
Composition shingle shows streaks sooner and darker, usually on the north-facing slope where shade holds moisture longest. The granule surface is exactly what high pressure destroys, which is why the soft wash matters most here. Metal roofs can be soft washed as well; we have not performed a metal roof job to date, so we assess yours on-site before confirming the approach rather than promising specialized metal-roof experience we have not built yet.
Roof maintenance pays twice under this much canopy: a roof cleaned before moss roots deep and before roof debris packs the valleys needs less of everything later, and mildew, mold, and lichen never get the foothold that turns a wash into a repair bill.
While we're here
Gutters are the natural add-on
A roof soft wash and gutter cleaning service belong on the same visit, especially under this much oak canopy, where the same leaves and debris packing the roof valleys are packing the gutters too. Gutter cleaning runs $1.00 per linear foot on single-story homes and $2.00 per linear foot on two-story homes with a $200 minimum, covered in detail on our gutter cleaning in Granite Bay, CA page. If the faces of your gutters carry black tiger stripes that a wash will not lift, that is oxidation. Gutter brightening removes it, quoted as a discounted add-on when the crew is already on site for your roof. Honest test first: if the striping comes off with a normal wash, we tell you to skip the brightening.
Solar on the roof? Our solar panel cleaning pairs naturally with a roof wash, and the crew inspects your roof and gutters at no charge while they are up there.
Who you're hiring
Insured, honest about scheduling, local
For exterior cleaning work in California no contractor license is required, so the words that actually protect you are the insurance ones. Cable carries liability insurance on every job, and if your HOA wants proof before anyone sets a ladder, we send our certificate the same day. We are a father-and-son business based in Rocklin, we book about three days out, and your free estimate arrives in writing with transparent costs before we touch the roof.
Every inquiry gets a reply the same day. That is a commitment, not a goal, and it matters most on gated streets where scheduling has to work around gate codes and HOA rules; tell us at booking and we plan for it.
Service area
Serving all of Granite Bay
Los Lagos, Wexford, Ashley Woods, the streets around Granite Bay Golf Club, and every neighborhood in between: our roof cleaning route covers the whole area. Everything else we do in Granite Bay, from house washing to gutters to solar, is on our Granite Bay pressure washing page, and the same crew handles roof cleaning in Rocklin and roof cleaning in Roseville next door.
Common questions