All Four Sides Treated
We apply soft wash solution to every elevation, including the shaded north wall where mold is worst. No shortcuts, no skipping the back of the house because it is harder to reach.
Low-pressure exterior cleaning that kills mold, algae, and grime at the root
Soft Wash House Washing Pasadena CA for Stucco and Siding
Soft Wash House Washing Pasadena CA is the low-pressure exterior cleaning method we use on stucco, wood, and painted siding across Los Angeles County. If your north-facing walls have gone green or black, or your trim is coated in dust and cobwebs, this is the service for you. We apply a soft wash solution, let it kill the growth, then rinse everything clean with purified water. No stripped paint, no cracked stucco, no blasted window seals.
Careful work. Honest options.
About this service
What Soft Wash House Washing Pasadena CA Really Does
Soft Wash House Washing Pasadena CA is a low-pressure exterior cleaning service that uses a biodegradable soft wash solution to kill mold, algae, lichen, and mildew on siding, stucco, and trim, then rinses the dead growth away with gentle water pressure. A pressure washer at 3,000 PSI can etch stucco and force water behind window frames. Our soft wash system runs under 150 PSI at the tip, so the solution does the cleaning and the water just carries it off. We treat the whole envelope: walls, eaves, fascia, soffits, and the window sills where mold likes to start.
Pasadena homes take a beating from the sun and the marine layer. North-facing stucco in Bungalow Heaven and Orange Heights grows black mold streaks within two or three seasons, and the dust that settles after a dry Santa Ana wind bakes onto siding like a second coat of paint. If you have been searching for soft wash house washing in Pasadena CA near me, you are probably tired of scrubbing the same wall every spring. We handle it in one visit and treat the growth so it does not come straight back.
- ✓ Kills Mold at the Root
- ✓ Safe for Stucco and Paint
- ✓ One Visit, Whole House
- ✓ Curb Appeal That Holds
What's included
What Our Soft Wash House Washing Includes
Every soft wash visit covers the full exterior envelope of your home, not just the wall you can see from the street. We treat all four sides, rinse with purified water, and clean the details that make the difference between a house that looks washed and one that looks maintained.
Window Sills and Tracks
Sills and tracks are where mold on window sills starts. We scrub and rinse them during the wash, then vacuum the tracks so grit does not grind the rollers.
Screen Cleaning
We pull the screens, wash the dust and pollen off both sides, and reinstall them. Clean screens keep your glass cleaner and let more light through.
Eaves, Fascia, and Soffits
Cobwebs and wasp nests collect under the eaves. We brush and rinse the fascia and soffits so the roofline looks as clean as the walls below it.
Plant and Surface Protection
We pre-soak landscaping and cover fixtures and outlets before we spray. The solution is biodegradable, but protecting your plants is part of the job, not an extra.
Final Rinse and Walkthrough
We rinse top-down with purified water and walk the property with you before we leave. If you spot a missed streak, we fix it on the spot.
How it works
How Our Soft Wash Process Works
We walk the property with you, note the siding type, the amount of growth, and any fragile areas like cracked stucco or loose trim. You get a flat quote on the spot. Most Pasadena homes fall between $350 and $850 depending on size and how much mold we are treating.
We cover plants, light fixtures, and electrical outlets, then pre-soak landscaping with fresh water. A soft wash solution is biodegradable, but we still protect your roses. This step takes 15 to 20 minutes and prevents 90% of the callbacks we hear about from other companies.
Using a dedicated soft wash system and sprayer, we apply the solution from the bottom up so the streaks do not dry before they are treated. We let it dwell for 10 to 15 minutes. That dwell time is what kills the mold instead of just bleaching it.
We rinse top-down with purified water at low pressure, working the solution and dead growth off the walls. Window sills, tracks, and screens get a pass while we are there. Hard water stains on glass get treated with a hard water remover before we finish.
You walk the property with us before we pack up. If a streak got missed or a screen needs a new mesh, we handle it on the spot. We do not leave until you have looked at every side of the house yourself.
STEP 01Walkthrough and Quote
We walk the property with you, note the siding type, the amount of growth, and any fragile areas like cracked stucco or loose trim. You get a flat quote on the spot. Most Pasadena homes fall between $350 and $850 depending on size and how much mold we are treating.
Tools & methods
Tools and Methods We Use
Soft wash system with proportioner
Meters the soft wash solution at a consistent ratio so every wall gets the same treatment. It is the reason we do not need high pressure to clean stucco.
Purified water and water-fed pole
We rinse with purified water so no minerals are left behind to dry into spots. The water-fed pole lets us reach second-story glass safely from the ground.
Ettore and Unger squeegees
The same professional-grade squeegees and squeegee rubber we use on window cleaning jobs. They leave glass streak-free after the soft wash rinse.
Microfiber cloths and towels
We wipe sills, tracks, and frames with microfiber so we are lifting dust instead of spreading it. It also protects the finish on painted trim.
Extension ladder and bucket
For reaching eaves, gutters, and second-story sills safely. We use a gutter scoop and a screen repair tool on the same trip when needed.
Glass scraper and hard water remover
For paint and sticker residue after construction and for the mineral film sprinklers leave on glass. It removes the deposit without scratching the pane.
Real results
Before and after.
Soft Wash House Washing
Black Mold Wall in Bungalow Heaven
A 1928 stucco bungalow had a solid black mold band across the entire north elevation, roughly 400 square feet. The homeowner had scrubbed it twice with a brush and bleach and it came back within two months both times.
After: We soft washed all four sides in four hours. The north wall returned to its original cream color, and the black band was gone in one treatment. The window sills and screens were cleaned on the same visit.
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Soft Wash House Washing
Post-Remodel Dust in Hastings Ranch
A 2,400 sq ft home had just finished a kitchen and stucco patch job. Construction dust coated the siding, and every window had sticker residue and paint overspray on the frames.
After: We soft washed the exterior, scraped the frames, and cleaned the glass inside and out in one day. The stucco matched the new patch, and the windows were spot-free.
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Soft Wash House Washing
Hard Water Stains in Madison Heights
Sprinklers had been hitting the same west-facing windows for years. The glass was cloudy with mineral deposits, and regular glass cleaner and a squeegee did nothing to remove them.
After: We treated the glass with a hard water remover and a glass scraper, then soft washed the exterior walls. The windows came back clear, and the mineral film was gone.
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Problems Soft Wash House Washing Pasadena CA Solves
Most Pasadena homeowners call us because something on the exterior has gotten out of hand. These are the four problems we see most, and what happens if you let them sit through another season.
Ask a pro →Black and green mold streaks on stucco
We apply a soft wash solution that soaks into the stucco and kills the spores, then rinse the dead growth away at low pressure. Most black streaks disappear in one treatment, and we re-apply at no charge if a stubborn area needs a second pass.
Baked-on dust and pollen film
Our soft wash solution lifts the film without scrubbing, and the purified water rinse carries it off. We treat the window sills and screens too, since that is where the dust settles first and shows most.
Hard water stains on glass and fixtures
We treat the glass with a dedicated hard water remover and use a glass scraper where needed, then finish with purified water so no new spots form. It is the same process we use on cloudy glass in older Pasadena homes.
Clogged gutters staining the fascia
We clear the gutters with a gutter scoop and flush the downspouts during the soft wash visit. Clean gutters drain properly, which protects the fascia and keeps the freshly washed siding from getting re-stained.
Transparent pricing
What Soft Wash House Washing Costs
$350 - $850 depending on size, height, and growth
Typical 2026 pricing for soft wash house washing in Pasadena runs $350 to $850 for a single-family home. A standard one-story bungalow usually lands near $450. Two-story homes, heavy mold coverage, and lots of landscaping to protect push toward the top of the range. We quote flat, not hourly, so the number you hear on the phone is the number on the invoice. If you want an affordable soft wash house washing Pasadena CA visit, call us and we will give you a real range in about five minutes.
You are paying for a treatment that lasts 12 to 18 months, not a rinse that lasts until the next rain. Doing it right the first time costs less than repainting stucco that got etched by a pressure washer.
•affects cost
A 1,200 sq ft bungalow takes less solution and less time than a 3,000 sq ft two-story. Square footage is the single biggest driver of the price, and we measure it before we quote.
Get a quote ↗•affects cost
Two-story walls need taller ladders and more setup, and hillside homes in Linda Vista sometimes need extra care with ladder placement. Height adds labor, which adds cost.
Get a quote ↗•affects cost
A light dust film rinses off quickly. Heavy black mold that has been growing for years needs a stronger mix and a longer dwell time, and may need a second application.
Get a quote ↗•affects cost
Dense gardens, vegetable beds, and koi ponds need more covering and pre-soaking. It is a small add-on, but it protects your plants and it is worth every dollar.
Get a quote ↗ Proof you can check
Licensed, Insured, and Local
- IWCA (International Window Cleaning Association) certification · International Window Cleaning Association
- EPA lead-safe certification · U.S. Environmental Protection Agency
- California state contractor license (C-61/D-49) · California Contractors State License Board
- Insured and bonded with workers compensation insurance · State of California
- OSHA safety compliance · Occupational Safety and Health Administration
Customer reviews
What Pasadena Customers Say
★★★★★
“Our north wall was solid black with mold and I thought we would have to repaint. The crew soft washed the whole house in about four hours and the stucco came back to its original cream color. They covered my roses, cleaned the window tracks, and even rinsed the screens. Six months later there is not a single green streak back.”
MR
Marisol R.Homeowner, Bungalow Heaven
✓ Verified“
★★★★★
“We had construction dust baked onto the siding after a remodel and every window was coated. They soft washed the exterior, scraped the sticker residue off the frames, and cleaned the glass inside and out the same day. The quote was flat and the final bill matched it exactly. I have already recommended them to two neighbors.”
DK
David K.Homeowner, Hastings Ranch
✓ Verified★★★★★
“I manage three small commercial buildings and the stucco was growing algae on the shaded sides. Rose City soft washed all three in one week and cleaned the storefront glass at the same time. They were insured and bonded, which my ownership requires, and they sent photos of every elevation when they finished.”
AT
Angela T.Property Manager, South Lake Avenue District
✓ VerifiedMost Pasadena homes run $350 to $850, with the average single-story bungalow landing near $450. Two-story homes and heavy mold coverage push toward the top of that range. Pricing depends on square footage, siding type, how much growth we are treating, and how accessible the walls are. You get a flat quote before we start, so the number does not move.
Soft washing is low-pressure exterior cleaning that uses a biodegradable solution to kill mold and algae, then rinses with water under 150 PSI. It is safe for stucco, wood, painted siding, and window seals. High pressure is what damages those surfaces, and we do not use it on your house. We do use a pressure washer on concrete driveways and walkways, just not on the building itself.
Once every 12 to 18 months is right for most Pasadena homes. North-facing walls and homes near the Arroyo or under mature trees may need it every 12 months because shade and moisture feed mold. South and west walls often hold up two years. If you see green or black streaks coming back, that is your cue to call, not a calendar date.
Yes. Stucco is porous, so mold roots into the surface and a scrub brush only takes off the top layer. Our solution soaks in, kills the spores, and we rinse the dead growth away. Most black and green streaks disappear completely in one treatment. Deeply stained stucco that has been growing mold for years may need a second application, which we include at no extra charge if it is needed.
Ready when you are
Book Soft Wash House Washing Pasadena CA This Week
We are licensed, insured, and bonded, and we have been cleaning Pasadena exteriors since 2020. Call 877-318-1882 for a flat quote on Soft Wash House Washing Pasadena CA. Most jobs get scheduled within the same week, and the quote is free.
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Request an appointment
Contact Rose City Window Cleaning LLC
Call 877-318-1882 or email us and we will get back to you the same business day. We answer the phone Monday through Friday, 8:00 to 18:00, and we take 24/7 emergency calls for broken glass and storefront cleanups. Tell us your address and roughly how many windows, and we will quote it.
Call anytime877-318-1882Email the officeinfo@rosecitywindowcleaningpasadena.com
Office hours8:00 AM - 5:00 PM · Monday - Friday