Roof Cleaning Services in California
Roof cleaning in California removes the algae streaks, moss and dirt film that shade, fog and debris leave on tile, shingle and metal roofs. Fast Pro uses a low-pressure soft wash, never a pressure washer, keeps wash water out of the storm drain, gives you a free quote first, and walks the job with you before we leave.
California roof problems, and what causes them
Shade, damp air and debris do most of the damage to roof looks. Here are the six problems we get called about most.
Black and green streaks
Streaks are algae. A Maryland roofing company says it appears mostly on shaded, north-facing roofs, and that regrowth is likely. A soft wash kills it at the root.
Moss on shaded edges
Moss thrives on the north side and in all-day shade. A roofer quoted by East Texas station KLTV says its roots can lift shingles and lead to leaks, which is why we flag it.
Green growth on tile
Boral, a tile maker, says mildew, algae and moss do not grow on the tile itself. They grow on the dust and organic debris that collects on it.
Leaves, needles and debris
The State Board of Forestry's Zone 0 FAQ says the draft rules focus on removing fallen leaves and needles from roofs and gutters.
Dust, droppings and ash
Dust and bird droppings collect on roofs, and the National Renewable Energy Laboratory says droppings and debris can shade solar panels and cut their output.
Roof condition flags
United Policyholders reports California homeowners who received insurer notices citing roof condition, including moss and worn shingles, after aerial reviews. Cleaning removes growth. It does not change roof age or restore granules.
Every roof type we see in California
Soft wash only, adjusted for each material.
Concrete tile
Soft wash. Eagle Roofing and Boral cap water pressure at 1,200 psi, and we stay well below it.
Clay tile
Assessed first. Foot traffic can break tile, so we limit time on the roof and move carefully.
Asphalt shingles
Never pressure washed. ARMA and GAF call for a low-pressure cleaning solution and a gentle rinse.
Metal roofs
We follow the maker's cleaning guide. DECRA, for one, caps its stone-coated steel at 500 psi.
Roofs with solar panels
We never pressure wash panels. Panel makers set their own cleaning rules, so tell us before we start.
Roofs under an algae warranty
Check the terms before any work. Some warranties require the maker's approval before repairs are made.
Roof cleaning built around California roofs, debris and rules
California roofs run from concrete and clay tile to asphalt shingles and metal, and many carry solar panels. Each has its own cleaning limits, so we identify the material before we choose a method.
Our rule is to use the gentlest method that gets the roof clean. The cleaning solution kills the growth and the rinse stays gentle. Shingle makers say a power washer can dislodge granules, and a roof that has lost granules ages faster.
Runoff matters on a roof too. Cities and counties across California say wash water must not reach the storm drain, so we protect drains and control runoff before we start.
Tile roofs
Tile makers cap pressure at 1,200 psi. Boral says growth feeds on debris, not the tile itself.
Solar panels
The SunPower FAQ says to keep a pressure nozzle away from panels and not to use unapproved cleaning materials.
Needles and leaves
The Zone 0 FAQ puts leaf and needle removal from roofs and gutters at the center of draft wildfire rules.
Insurance notices
Some California homeowners have received non-renewal notices citing roof condition. Talk to your insurer about yours.
Why California homeowners call Fast Pro for roof cleaning
Plenty of companies list this as one line on a long menu. Here is what you get when you call us.
The right method for each surface
Pressure for concrete. Soft wash for roofs, siding and stucco. Hand washing for glass. We tell you which one we're using and why.
A free quote before we start
You hear the price and what drives it before any water goes on. If the job changes on site, we tell you first.
Licensed and insured
Ask for proof of insurance with your quote and we'll send it.
Plants and property protected
We wet down plants, cover outlets and check seals and loose siding before we begin.
A walkthrough before we leave
The crew lead walks the job with you. Anything that looks off gets fixed then, not next week.
Satisfaction guarantee
If a spot doesn't look right after the job, call us and we come back to fix it at no charge.
From first call to final rinse, in four steps
The same process whether you're in San Diego or Sacramento.
Call us
Tell us what you want cleaned, the address and what's bothering you. We confirm we cover your area.
Get a free quote
We ask about the surface and size, then explain the price and the method before any work begins.
We clean it
The crew protects plants and outlets, tests a small spot, and washes with the method we agreed on.
Walk it with us
We go over the job together, rinse the walkways and leave the site as we found it.
Inside a Fast Pro roof cleaning
The visit follows the same sequence on every roof.

Roof Cleaning across California
Find your area below. If it isn't listed, call us and we will tell you right away.
Not sure we cover your block? Call us and we will confirm.
How we match the method to the roof
These are the limits we work to, and who sets them.
Method by surface
Sources: ARMA, GAF technical bulletin R-102, Eagle Roofing, Boral, DECRA, SunPower, National Renewable Energy Laboratory (NREL), United Policyholders.
Will cleaning fix your roof?
Cleaning removes growth and dirt. It does not repair damage.
Cleaning will help
- Algae streaks
- Moss and green growth
- Dirt, leaf and needle buildup
- A roof that looks worse than it is
Inspect or repair first
- Missing or worn granules
- Leaks or soft spots in the decking
- Cracked or slipped tiles
- A roof still under an algae warranty
If you are not sure which list your roof is on, we will tell you before we quote. Call us and describe it.
What goes into a California roof cleaning quote
We quote every job by phone, because a small shingle roof and a steep two-story tile roof are different jobs. These are the factors we weigh.
Roof size and pitch
Square footage and steepness set the base price.
Roof material
Tile and metal take more care than shingles.
How much growth
Light streaks are a short job. Heavy moss takes more time and solution.
Access, panels and drains
Tall homes, solar panels and nearby storm drains change the setup time.
Call for a free quote. Tell us the surface, the size and the problem. We will explain the price and the method before any work starts.
Call 813-536-7337Scheduling and coverage
Do you serve all of California?
We work across the state, including the Bay Area, Los Angeles, Orange County, the Inland Empire, San Diego, the Central Coast and the Sacramento and San Joaquin valleys. Call with your address and we will confirm coverage and the soonest opening.
How soon can you come out?
Call early in the day and we will give you the soonest slot we have. We will tell you plainly if the schedule is full.
What happens if it rains?
Light rain does not stop an exterior job. Storms and high wind do. We reschedule at no charge and let you know the same day.
Do I need to be home?
No, as long as we can reach the exterior and an outdoor spigot. Please close windows, move cars and bring in small items.
Methods and safety
Will you pressure wash my shingle roof?
No. ARMA and GAF both advise against pressure washing shingles because it can strip the granules. We soft wash with a low-pressure solution.
Can you clean a tile roof?
Yes, with a soft wash. Eagle Roofing and Boral say pressure should never go above 1,200 psi, and Boral warns that foot traffic breaks tile, so we limit time on the roof.
What about my solar panels?
We never pressure wash panels. Panel makers set their own cleaning rules. SunPower's FAQ says to keep a pressure nozzle away from panels and that unapproved cleaning materials can void its warranty. Tell us about your panels when you call.
Does cleaning void my roof warranty?
No manufacturer page we read says soft washing voids a warranty, but makers do say not to power wash shingles. Some algae warranties, such as Atlas's, say repairs made without its written approval are the owner's cost. Read your warranty before any work.
Pricing, insurance and water rules
Will cleaning my roof help with my home insurance?
We cannot promise that. United Policyholders reports California homeowners who got insurer notices citing roof condition, including moss and worn shingles. Cleaning removes growth. It does not change roof age or restore granules. Ask your insurer what its notice cites.
How long will the results last?
Growth can come back, and nobody can promise a date. Boral says no known coating gives long-term prevention on tile. Shaded slopes and nearby trees bring it back sooner.
How much does roof cleaning cost in California?
It depends on size, material, how much growth or buildup there is and how easy the site is to reach. Call for a free quote and we will explain which of those drive your price.
Do California water and runoff rules affect the job?
Wash water is the bigger rule. Cities and counties across California say wash water must not reach the street or storm drain, and we keep it out and follow local stormwater rules. Water-use rules also vary by city and supplier, so we check yours before we book and tell you if a job has to wait.
Are you licensed and insured?
Yes. Fast Pro Pressure Washing is licensed and insured. Ask for proof of insurance with your quote and we will send it.
Do you guarantee the work?
Yes. If something does not look right after the job, contact us and we come back to fix it at no charge.
What customers say about Fast Pro
4.9 out of 5 average rating
“Fast Pro Pressure Washing did an excellent job on our house and driveway. The difference was honestly amazing—the concrete looked almost new again, and they were careful around our landscaping. The crew arrived on time, explained everything clearly, and cleaned up before leaving. I would definitely recommend Fast Pro to anyone looking for a reliable pressure washing company in Florida.”
“I hired Fast Pro Pressure Washing to clean our driveway, walkway, and exterior of the house. They were professional from start to finish and paid attention to all the little details. The stains and buildup that had been there for years came off much better than I expected. Great communication, fair service, and a very noticeable difference. I’ll definitely use them again.”
“Fast Pro Pressure Washing made our home look completely different. The team cleaned the siding, driveway, and patio and did a fantastic job without making a mess around the property. Everyone was friendly and professional, and the whole process was easy from getting the estimate to finishing the job. Very happy with the results and would recommend them to other homeowners in California.”
Other exterior cleaning services in California
While the crew is on site, ask about any of these too.
Pressure Washing in California
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See windowDriveway & Patio Cleaning in California
See driveway and patioRoof Cleaning in other states: California · Texas · Ohio · New Jersey.
Ready for roof cleaning in California?
Call us, describe the job and get a free quote. We will tell you which method your surface needs before anything gets wet.
4.9/5 from 1,000+ completed jobs
