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Sparkling Concepts is a window-cleaning company in Stratham, New Hampshire, and it says it has served the Seacoast for over 30 years. A recent customer says the company washed all the windows inside and out, including the screens and sills, and that arranging the date and paying through the office was easy. A recent customer who has booked them "year after year" thought the screens had not been put back in, then found they were there. A 2025 customer said Mocha and Jacob arrived on time and worked nonstop until all 37 windows and screens were cleaned, inside and out. A 2025 customer said the team wore shoe covers indoors. A 2024 customer getting ready to list a house for sale said a crew of three cleaned not only the glass but each whole window. A 2024 customer said the company came the day after a written quote request to review the job, texted the quote later that day, and that Josaiah got old over-sprayed paint off a window. A 2024 customer said silicone on an outside window was gone, and that a few things about pricing had to be worked through based on the actual scope of work. A 2023 reviewer whose family owns a commercial cleaning company said Sparkling Concepts did a 200+ window commercial job for them. A 2023 first-time client said they reserved a spring/summer slot because the company gets very busy.
Our house is truly "sparkling" since Sparkling Concepts washed all the windows inside and out, including the screens and sills last week. And we hardly knew they were at our house as they were so quiet! Dealing with the office to arrange the date and paying afterwards are also easy. We are extremely pleased and look forward to their return next summer.
We love, Sparkling Concepts! We have been scheduling them year after year for quite a few years. This time I will have to say when I came back inside and looked out my windows, I thought they had forgotten to put the screens back in. Much to my surprise the screens were there! Everything was Sparkling clean!!
A few days ago we had Sparling Concepts Window Cleaning do our windows. This year, like our last year's experience was fabulous. The team was prompt, friendly, professional and efficient. Our windows and screens were so clean, I had look closely to see the screens. Sparkling Concepts does a fabulous job! We plan to have them back again next year. Well done!
We have been fortunate to have Sparkling Concepts Window Cleaning at our house the past five years and counting. This company employs the most professional people that do an incredible job!
Phenomenal job. Completely streak-less, clearer than clear. Great company to work with. Highly recommend.
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1 change recorded — last scanned Oct 18, 2026.
Typical New Hampshire range for this kind of work, from regional averages — not a quote from Sparkling Concepts. Use it to sanity-check bids, then get the real number in writing.
Published recurring discounts run 10–30% off the one-time price, and weekly gets the deepest cut.
Estimated range
$130 – $220
Typical cleaning visit around $180
Porch and deck repair4.4