"Joe did a wonderful job! Everything looks Great! He stuck with it and got it done over a four day period. Also him and J…"
Yvonne Herschberger
Pressure Washing in Diamond State
Your Pressure Washing Project, From Consultation to Completion
Mildew, pollen, and salt residue build up on the brick and siding of homes from Wilmington and Newark down to coastal Lewes.
We identify the exterior surfaces to be cleaned, siding, brick, concrete, driveways, patios, and fencing, select the right pressure settings for each material, and protect landscaping and fixtures.
1
Surface Assessment. We identify the exterior surfaces to be cleaned, siding, brick, concrete, driveways, patios, and fencing, select the right pressure settings for each material, and protect landscaping and fixtures.
We use commercial-grade pressure washers with surface-appropriate PSI, soft wash for painted siding and stucco, high-pressure for concrete driveways and walkways, removing years of Diamond State mold, mildew, and grime.
2
Wash & Clean. We use commercial-grade pressure washers with surface-appropriate PSI, soft wash for painted siding and stucco, high-pressure for concrete driveways and walkways, removing years of Diamond State mold, mildew, and grime.
We walk all cleaned surfaces with you, verify thorough cleaning without surface damage, and recommend any follow-up sealing, staining, or painting for long-term protection of your Diamond State property.
3
Inspect & Protect. We walk all cleaned surfaces with you, verify thorough cleaning without surface damage, and recommend any follow-up sealing, staining, or painting for long-term protection of your Diamond State property.
Number of Territories
400+
Number of Paint Jobs
20,000+
5-Star Reviews5-Star
Reviews5 Star Reviews
10,000+
Honest Reviews from Real Homeowners
"My house has been transformed. Beautiful work. Thank you, Jason, Oscar and Felix!"
Joann Cody
"Work was done professionally and was finished when they said it would be finished. Couldnt have asked for snything diffe…"
Judy Lahey
"They did amazing work from the estimate to completing the job. I thoroughly recommend them!"
Donald Taylor
"Joe did a wonderful job! Everything looks Great! He stuck with it and got it done over a four day period. Also him and J…"
Yvonne Herschberger
"My house has been transformed. Beautiful work. Thank you, Jason, Oscar and Felix!"
Joann Cody
"Work was done professionally and was finished when they said it would be finished. Couldnt have asked for snything diffe…"
Judy Lahey
"They did amazing work from the estimate to completing the job. I thoroughly recommend them!"
Donald Taylor
"Jason, Hernan, Brian and team provided great service. I needed a fairly small, one day job scraping and repainting two b…"
Kristen DeFazio
"Great experience with this company! Many thanks to Brian and Jason for their professionalism and completing the job to o…"
Nancy Douglas
"I am extremely satisfied with the work of That 1 Painter Diamond State did in our home. From beginning to end they were…"
Diane Tomlinson
"This crew did a fantastic job! They were professional, efficient, fast and cognizant of my needs and wants. Consultation…"
Vee Vee Brown-Whitson
"This experience was beyond expectations. I had three deck areas with steps and rails that I hoped could be saved, not re…"
Robert
"Had the entire main floor of our house painted and the job was done quickly and looks great!"
Emily Falcon
"I had an excellent experience using That 1 Painter! They painted every room in my 3 story townhouse in 1 week and also i…"
Wanda Coleman
"Jason went above and beyond with his communication. He was prompt and on time for the estimate. The team was able to com…"
Mike Doherty
What Pressure Washing Costs in Diamond State (2026)
$15,000
Maximum added home sale price from exterior cleaning
NAR
7%
More that high curb-appeal homes sell for
NAR
400%
Cited maximum ROI on professional exterior cleaning
industry data
Pressure Washing Portfolio Gallery
Trusted Paint Partners
Pressure Washing Across Delaware
Pressure washing across Delaware has to lift Mid-Atlantic mildew off shaded north walls, spring pollen loads, Sussex-County salt haze, and occasional soot residue without driving water behind lap siding or peeling weathered coats. Crews rely on a wider fan, a longer standoff distance, and a detergent dwell time so the chemistry does the lifting rather than raw pressure. That protects older Wilmington and Dover coats and stops any hidden water intrusion behind trim returns.
Older brick and hand-applied stucco across Old New Castle and Odessa need a soft-wash approach rather than high pressure so the finish and joints stay intact. Concrete driveways and patios across Middletown and Bear take a rotary surface cleaner that erases tire marks and organic staining without leaving striping. Gutter and downspout brightening is scoped as a separate line so aluminum tiger-striping comes back with a gutter-specific cleaner.
A house wash often sequences directly into an exterior painting scope so paint bonds to a clean substrate rather than a pollen-and-dust layer. Siding is dried fully before any coating work begins, and every pressure-washing scope is walked at the free in-home estimate.
Our 3-Year Warranty
Your peace of mind, at the top of mind with our three-year transferable warranty. Covers the painting job, even if you sell the house.
Download Warranty
Pressure Washing FAQs in Diamond State
Yes, at the right pressure. Our crews adjust technique for older brick and masonry so we lift grime and mildew without harming the surface.
Often, yes. Salt air and humidity speed up mildew and residue buildup, so periodic washing keeps beach-area siding clean and ready for any future coating.
A wand held too close can drive water behind lap siding or peel a weathered coat, which is why technique matters more than pressure. Our crews use a wider fan, a longer standoff distance, and detergent to do the lifting so older Wilmington and Dover coats stay sound. Siding is dried fully before any repaint work.
Older brick and hand-applied stucco need a soft-wash approach rather than high pressure so joints and the finish stay intact. In Old New Castle and downtown Wilmington our crews drop the pressure and rely on detergent dwell time to lift mildew and grime. That method also protects any painted brick already on the wall.
Gutter and downspout brightening is a separate scope but pairs well with a house wash so the whole facade reads clean. Tiger-striped aluminum on Middletown and Bear homes comes back with a gutter-specific cleaner rather than raw pressure. We quote it alongside the wash at the free in-home estimate.
Pressure Washing Resources
Expert tips, how-to guides, and inspiration for your next pressure washing project.
Pressure Washing Before Painting: Why It Matters
Clean surfaces are essential for paint adhesion. Skipping pressure washing is the #1 cause of premature paint failure.
Read More →
Soft Wash vs. Pressure Wash: What's the Difference?
Soft washing uses low pressure and cleaning solutions for delicate surfaces like painted siding and stucco.
Read More →
How Often Should You Pressure Wash Your Home?
Diamond State homes benefit from annual pressure washing to prevent mold, mildew, and dirt buildup.
Read More →Swipe to explore →
Pressure Washing Before Painting: Why It Matters
Clean surfaces are essential for paint adhesion. Skipping pressure washing is the #1 cause of premature paint failure.
Read More →Soft Wash vs. Pressure Wash: What's the Difference?
Soft washing uses low pressure and cleaning solutions for delicate surfaces like painted siding and stucco.
Read More →How Often Should You Pressure Wash Your Home?
Diamond State homes benefit from annual pressure washing to prevent mold, mildew, and dirt buildup.
Read More →