Columbia, SC Pressure Washing Service Guide
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House Washing in Irmo

House Washing in Columbia, SC

What house washing covers

House washing is the exterior cleaning of siding, brick, stucco, trim, soffits, and gutters to remove mold, mildew, algae streaks, pollen film, and general grime buildup. In Irmo's humid summers and shaded lots near Lake Murray, algae and mildew show up fast on north-facing walls and anything under tree cover. Most jobs use a soft wash method: a low-pressure application of a cleaning solution (usually a diluted bleach or surfactant mix) that kills spores at the root, followed by a gentle rinse. This is different from blasting siding with a pressure washer wand, which can force water behind panels, strip paint, or crack vinyl if the operator isn't careful with pressure and distance.

What to look for before you hire

  • Soft wash equipment and know-how, not just a pressure washer turned down low. Vinyl, wood, and painted surfaces need different chemical ratios and dwell times.
  • Plant and landscaping protection: pre-wetting shrubs, rinsing beds after, and using cleaners that won't scorch grass.
  • Insurance in case a window seal, screen, or light fixture gets damaged.
  • Clear scope covering whether gutters, fascia, and driveway or walkway rinsing are included or billed separately.

How we score the 5 Irmo businesses

Our ranking weighs review consistency, how specific and verifiable customer feedback is, responsiveness, and evidence of correct technique (soft wash mentions, care around landscaping, before/after results) rather than just star averages. See the full breakdown and every business ranked side by side in our best pressure washers in Irmo guide. If you want the mechanics of how we score and weight each factor, that's laid out on the methodology page.

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All house washing in Irmo, ranked by score and relevance

5 businesses, scored on recent reviews. The order weighs each business's overall score by how much of its reviewed work is house washing, so a lower-scored specialist can rank above a higher-scored generalist.

Crystal Clear Solutions Pressure Washing
#1
94

Crystal Clear Solutions Pressure Washing

5.0(266)✓ Google-verified

Reviewers consistently report arriving crews working quickly and on schedule, with named technicians like Nathan, Ethan, and Sam delivering quality results across multiple return visits. Hand-washed windows receive particular praise for care and thoroughness; staff point out problems unprompted and move interior furniture with protective attention to floors and belongings. The company's longest-standing clients credit 3+ years of consistent excellence and compare favorably to prior vendors. Descriptions emphasize integrity, faith-driven values, and a collaborative team approach. Across driveway, house, deck, window, solar panel, and roof work, the consistent thread is punctuality and going beyond expectations without visible shortcuts or complaints.

Driveway & Concrete CleaningHouse WashingRoof Soft Washing
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Squeegee Clean Inc.
#2
89

Squeegee Clean Inc.

4.9(737)✓ Google-verified

Squeegee Clean earns consistent praise for professionalism, friendly technicians, and thorough work across multiple services. Their window cleaning with purified water stands out for clarity that lasts months, and staff like Chase, Malik, Ricky, and Aiden get named for their knowledge and politeness. One 2023 dispute over flood light damage reveals a weakness: the owner resisted accountability, blamed equipment failure on bulbs, and refused a $50 replacement despite damage reviewers linked directly to the wash crew. The business handles complex projects well, schedules punctually, and communicates transparently during the estimate phase. Multiple repeat customers and neighborhood HOA contracts back up the broad capability across house, window, deck, patio, gutter, and solar panel cleaning. Pricing comes across as fair, though budget-conscious customers weighing the damage claim should know the company has contested liability in the past.

Driveway & Concrete CleaningHouse WashingRoof Soft Washing
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CMS Roofing
#3
88

CMS Roofing

4.8(321)✓ Google-verifiedPublishes prices

CMS Roofing earns consistent praise for roof replacements, repairs, and gutter work delivered by an attentive team. Owner Mike Curcio and staff including Jeremy, Kristen, and D'Lynn stand out for detailed inspections, clear explanations without pressure, thorough cleanup checking for debris multiple times, and itemized invoicing. Most customers report excellent communication and professional installation. One complaint surfaces: a warranty claim where the company made excuses and failed to return calls despite promised follow-ups, raising concerns about consistency on referred work.

House WashingRoof Soft WashingGutter Cleaning
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Midlands Pressure Wash Services LLC
#4
84

Midlands Pressure Wash Services LLC

5.0(22)✓ Google-verified

Work gets done early and never late. Rob and his team take time to finish right, show up professional, clean after themselves, and charge fairly. Reviewers across residential house and driveway jobs report the same experience: the job is done well, the price is honest, and they say they'll only call Midlands next time. Handles house siding, driveways, decks, patios, and gutters across Columbia and surrounding areas. Real estate professionals specifically mention using them. Not a single negative review across 22 ratings.

Driveway & Concrete CleaningHouse WashingRoof Soft Washing
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Southland Pressure Wash
#5
73 low data

Southland Pressure Wash

5.0(13)✓ Google-verified

All 13 reviews are five-star. Owner Rich and his team deliver consistent, timely work on driveways, house sides, decks, and patios at fair rates. Customers praise his reliability, honest pricing, and willingness to work around HOA issues or partial jobs.

Driveway & Concrete CleaningHouse WashingRoof Soft Washing
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Common questions about house washing

How much does house washing cost in Irmo?
Most single-family homes run somewhere between $200 and $500 for a full soft wash, depending on square footage, number of stories, and how much mildew or algae buildup there is. Two-story homes with heavy shade or lake-adjacent moisture tend to land at the higher end.
How often does a house need to be washed?
Once a year is typical for most Irmo homes, though shaded lots or homes backing up to trees and water may need it every 8 to 10 months to stay ahead of algae streaking, especially on the north and east sides that don't get much direct sun.
What should I expect on the day of service?
A crew should walk the property first, cover or move anything sensitive nearby, apply the cleaning solution and let it sit for several minutes to work on mold and mildew, then rinse at low pressure. Expect the whole job to take 1 to 3 hours for an average-sized house, with visible results the same day, though some staining fades further as things dry.
How can I judge the quality of the work afterward?
Check corners, under eaves, and behind downspouts where crews sometimes rush. Streaking that reappears within weeks usually means the solution wasn't given enough dwell time or the mix was too weak. Good work leaves siding uniform in color with no streaks, no residue in window tracks, and no dead grass or scorched plants along the foundation line.

Last updated 2026-07-22