Sato Construction DBA Flag Waterproofing and Restoration

Google rating

★★★★★4.6 from 17 reviews · Reviews on Google

The company I work for was extremely satisfied with the provided services from Flag Waterproofing & Restoration. They finished our facade renovation project in Chelsea, Manhattan ahead of the schedule. Their team was very responsive and didn't make not a single mistake during the whole project.…

I manage operations at the Neue Galerie on 5th Avenue in Manhattan, and our facility is a landmarked building from 1914. All work done here has to be done to an exacting standard, and we have used Flag for several projects over the last decade, always with excellent results. In addition to the…

Ratings and reviews from Google. Lead Paint Roster doesn't verify them, and they don't affect listing order. Google rating as of Oct 18, 2026.