Soft washing a Houston home typically costs $350–$650 for a one-story house and $550–$1,000 for a two-story house in 2026. Soft washing uses low pressure and a cleaning solution to kill mildew and algae on siding, stucco, brick and trim without the damage high pressure can cause. Size, height and how much growth there is set the final price.
2026 soft washing prices in Houston
| Home | Typical 2026 Houston range |
|---|---|
| One-story home | $350–$650 |
| Two-story home | $550–$1,000 |
Pricing is provided for general planning only and is not a final quote. Final pricing depends on paintable surface area, preparation, repairs, ceiling height, trim, doors, number of colors, paint products, access and project conditions. Houston Superior Painting provides a written estimate for the final scope and price.
What moves the price
- Height: two-story walls and gables take more time and equipment.
- Size: more wall area means more solution and labor.
- Growth: heavy black mildew or green algae on shaded walls takes longer to treat.
- Add-ons: fences, patios and driveways are priced separately.
Why soft washing instead of pressure washing
High pressure can strip paint, force water behind siding and damage stucco and soft wood. Soft washing cleans those surfaces with low pressure and lets the cleaning solution do the work, so it removes the growth instead of just blasting the surface. Concrete is still pressure washed; see our pressure washing cost guide.
Houston shade, mildew and repainting
North-facing and shaded walls in Houston stay damp and grow mildew. Painting over mildew is a common reason exterior paint peels early, which is why shaded walls are soft washed and allowed to dry before any primer goes on. When we paint an exterior, washing is part of the prep and included in the estimate.
Frequently asked questions
How much does soft washing cost for a two-story house in Houston?
Typically $550–$1,000 in 2026, depending on size and how much mildew there is.
Is soft washing safe for painted siding?
Yes. It uses low pressure, which is why it is the preferred way to clean painted siding, stucco and trim.
Should I soft wash before painting?
Yes. Paint does not bond to mildew or chalk. If we are painting your exterior, washing is included in the painting estimate.
How long do soft washing results last?
It depends on shade and moisture. Sunny walls stay clean longer; shaded, damp walls grow mildew back sooner.
Limitations of this guide
Prices are typical 2026 Houston ranges, not a quote. An on-site look sets the final price.
Related pages
What every project includes
- 5-Year Written Workmanship Warranty
- $2M general liability + workers' comp
- Proof of insurance available upon request
- Insurance documentation provided after project approval
- Written project scope
- Clear product specifications
- Final walkthrough
Get a free soft washing estimate
Call (346) 594-5960 or request an estimate online. Written scope, named products, and the payment schedule in writing before you approve.