Professional Roof Cleaning in San Antonio, TX

Residential · Commercial · Everything in Between

Don’t replace your dirty roof, restore it. We safely remove black streaks, algae, and moss using professional soft washing, protecting your home’s curb appeal and extending the life of your shingles.
Roof Cleaning Hero Image VTX Power Wash
$1M Insurance Policy

Fully insured for your peace of mind

5-Star Reviews

Trusted by your neighbors in Victoria

Upfront Pricing

No surprises, just honest pricing

The Truth About Black Streaks on Your San Antonio Roof

If you’re noticing black streaks or dark patches on your roof, it isn’t just dirt and it isn’t a sign that you need a new roof. Because of the intense heat, dry dust, and occasional bursts of high humidity we experience here in Bexar County, a bacteria called Gloeocapsa Magma thrives on roofing materials.

Left untreated, this algae actually eats away at the limestone filler in your asphalt shingles, causing premature aging, granule loss, and a massive drop in curb appeal. For homeowners in San Antonio, ignoring this can easily shave years off your roof’s lifespan.

Black streaks on roof VTX Power Wash

The Solution

Safe, Effective Soft Washing.

You should never use high pressure on a roof. Blasting shingles with a pressure wand strips away protective granules, voids your manufacturer warranty, and can force water under your roof decking.

At VTX Power Wash, we use a specialized Soft Wash System tailored for our San Antonio customers.

  • How it works: We apply a custom-blended, low-pressure chemical solution (using algaecides and surfactants) that gently breaks down and kills algae, mold, and mildew at the root.
  • The result: Your roof is restored to its original color without a single drop of damaging high pressure.
Soft Washing Roof VTX Power Wash

The Benefits

Why Clean Your Roof with VTX Power Wash?

  • Save Thousands on Replacement: A dirty roof often looks like it’s failing when it just needs a wash. We save San Antonio homeowners thousands of dollars by extending the life of their current roof.
  • Instant Curb Appeal: Whether you’re getting ready to sell your home in San Antonio or just want to be the best-looking house on the block, the transformation is immediate.
  • Lower Energy Bills: Algae turns your roof black, causing it to absorb more of the intense Texas heat. A clean roof reflects sunlight, keeping your attic cooler.
  • How it works: We apply a custom-blended, low-pressure chemical solution (using algaecides and surfactants) that gently breaks down and kills algae, mold, and mildew at the root.
  • The result: Your roof is restored to its original color without a single drop of damaging high pressure.
Before and After roof cleaning VTX Power Wash

Our San Antonio Roof Cleaning Process

Property Protection

Before we spray a drop of solution, we pre-wet your landscaping and bag your downspouts to ensure your plants and lawn are 100% protected.

Targeted Application

We apply our professional soft wash solution using low-pressure pumps, allowing the mix to dwell and kill the organic growth.

Thorough Rinse & Review

We rinse the surrounding areas, review the results, and ensure the black streaks are completely gone. We don’t leave until you are satisfied.

How We Make It Simple

Pressure washing shouldn’t be complicated. We make it simple, transparent, and built around your schedule.

Call or Send the Form

Every property is unique. We start by understanding what you need cleaned and getting you a fast estimate.

Schedule a Time

We work around your schedule and give you a clear timeline for when we’ll arrive and finish.

Professional Cleaning

We handle the work safely and efficiently, protecting your plants and property throughout the process.

Follow Up & Guarantee

We don’t disappear after the job. We check back to ensure you’re completely satisfied with the results.

Why Choose VTX Power Wash?

We are a family business built on grit. We started with one small washer, rebuilt broken equipment, and knocked on doors until we earned trust. Now we have full systems, trailers, and a reputation for staying until the job is done.
Worker pressure washing the exterior of the building.

Locally Owned & Operated

We know Central & South Texas and understand local needs. When you call, you’re talking to the owner, not a call center.

$1M Insurance Protection

Fully covered with a $1,000,000 liability policy for your complete peace of mind. We provide certificates of insurance for businesses.

Safe, Professional Methods

We protect plants, siding, and shingles every time using soft wash techniques that clean without damage.

Service Area

We provide pressure & soft washing services throughout Central & South Texas including, but not limited to:

Extended Service: We service within two hours of Victoria. If you don’t see your location listed, call 361-333-2714 to see if you’re in our service area.

What Your Neighbors Say

We already have dozens of 5-star reviews on Google. Here’s what a few of your neighbors say about working with us:

Frequently Asked Questions About Roof Cleaning in San Antonio

Get answers to common questions about our pressure washing services

Will pressure washing damage my roof shingles?

We never use high-pressure washing on roofs. High pressure can strip the protective granules off your asphalt shingles, void your manufacturer warranty, and force water under your roof decking. Instead, we use a specialized “soft wash” system. This relies on safe, low-pressure application of cleaning agents that gently lift and kill algae, mold, and mildew without risking any damage to your roof.
Those black streaks aren’t just dirt; they are a type of algae called Gloeocapsa Magma. This algae thrives in our hot, humid Bexar County climate and actually feeds on the limestone filler in your shingles. Our soft wash treatment kills the algae at the root. While the algae can eventually return due to San Antonio’s specific weather patterns, our treatment provides long-lasting protection and keeps your roof looking clean for years.
Your landscaping is safe with us. We take strict precautions before, during, and after every roof cleaning job. This includes heavily pre-wetting all surrounding plants, covering sensitive vegetation when necessary, and thoroughly rinsing the entire area once the wash is complete. We treat your property with the same care we treat our own.
While pricing depends on the square footage and pitch of your roof, most residential roof cleaning projects in San Antonio average between $600 and $800. Cleaning your roof is a fraction of the cost of premature replacement. Many San Antonio homeowners think they need a new roof when it really just needs a professional soft wash. We provide fast, upfront estimates with no hidden fees.
No, you don’t need to be home. As long as we have clear access to the property and any locked gates are open, we can complete the job while you are at work or running errands. We will confirm the schedule with you beforehand and follow up afterward to ensure you are 100% satisfied with the results.