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O'Neills Powerwash LLC is an exterior cleaning company that says it was established in 2021 and specializes in house and roof soft washing. On Google it holds 4.9 stars from 76 ratings. Its Connecticut home improvement contractor registration, number HIC.0665406, is active on the state registry under O'NEILLS POWERWASH LLC. A recent customer said the house, brick walls and slate terrace were power washed carefully, and that the job was reviewed with them before and after the work. One recent customer at a condo complex had Dan and his crew clean a few gutters and called the work thorough, on time and reasonable. A recent customer said Dan and his crew power washed a two-story home and its gutters, and that he gave a summary at the end with ways to improve the home's maintenance. A recent customer said it was the second time in the past few years the company had cleaned their house siding. A 2025 customer said Dan got tree pollen off a new deck and porch that a hose and scrubbing could not remove. A 2025 customer said Dan power washed the house and shed after a two-year foundation replacement, cleaning the porch and railings too. A 2023 customer said Dan quoted quickly from just pictures and gave clear information on the options, and that the deck, patio and patio furniture looked brand new. A 2023 customer gave one star, citing inadequate knowledge and poor customer service.
I recently had my house siding cleaned by O’Neills Powerwash. They did an excellent job! It was easy to schedule a cleaning and they were on time. They were very professional and pleasant! This is the second time over the past few years that they have cleaned my house. Each time the house looks amazing! I would highly recommend them!
Excellent results. House/siding looks like new! Mold and dirt are gone. Bright and clean! Quick process. Definitely recommend!
Extremely careful power washing of the house, brick walls, and slate terrace. Reviewed the job with me before and after the work was completed. Obviously very experienced. I appreciated all the thoughts presented to me ahead of time. They were very respectful of any of our concerns, and were easy to work with. We HIGHLY RECOMMEND O’Neill’s Power Washing! Very fair pricing. I had absolute trust in them!
Great job. Reasonably priced and very adaptable to my timeframes. Would highly recommend.
O’Neill’s provided a fantastic experience from the initial conversation, to the to the speed of their response. And the quality of the work was terrific. The communication was amazing and I must say it was a very positive experience which made me want to recommend O’Niel’s. I will definitely be using them again for future projects.
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2 changes recorded — last scanned Oct 30, 2026.