License check
How to check a pressure washing company's license in Suffolk or Nassau
A license number takes a minute to check and tells you the company can legally do the work. Here is who issues it in each county, where to look it up, and what else to ask, from the official pages we read on 2026-11-03.
In Nassau County
- Nassau Consumer Affairs puts power washers and sandblasters on its list of who must be licensed in the county.
- Nassau's code names power washing as home improvement work, and its home services definition covers roof and house washing other than power washing.
- Nassau's home improvement license application includes Power Washing among its work categories.
- 1Step 1Check a pressure washing company's Nassau license in the Valid Business License Search by its license number, company name or street address.
Towns with a license of their own
- Town of Shelter Island: Shelter Island's notice to contractors says every contractor or subcontractor working on the island, landscapers included, needs a town license.
Beyond the license
- Ask for a certificate of insurance sent to you by the insurer, naming you as the certificate holder.
- Ask who files the permit and books the inspections, and get it in the contract.
- Get the price, the scope, the start and finish dates and the payment schedule in a written contract.
Related
Questions homeowners ask
Can pressure washing damage siding or wood?
Too much pressure can. Ask what pressure and cleaners will be used on each surface.
Is a license required for pressure washing on Long Island?
Rules vary by county and town and by the work. The town pages list what applies.
Sources
Every fact on this page comes from these official pages. Rules and fees change, so confirm with the office before you file anything.
- Nassau County Consumer Affairs, Who Must Be Licensed? (read 2026-11-03)
- Nassau County, Administrative Code (PDF) (read 2026-11-03; page dated January 1, 2026)
- Nassau County Consumer Affairs, Home Improvement Business License Application (PDF) (read 2026-11-03)
- Nassau County Consumer Affairs, Valid Business License Search (read 2026-11-03)
- Town of Shelter Island, Notice to All Contractors (read 2026-11-03)
Checked 2026-11-03. Facts come only from the official pages listed, read on that date.
Talk the job through before you call anyone
Tell us about the house and the job in about four minutes. Revival calls you, free, to go over the scope, the budget, the timing and your town's permit office. Contractor matches open as our first licensed partners sign.