NAICS Code for Pressure Washing Business

The NAICS code for a pressure washing business is 561790, Other Services to Buildings and Dwellings. The Census index lists pressure washing of buildings, decks and fences, power washing building exteriors, and parking lot washing under 561790, Other Services to Buildings and Dwellings. The same code covers gutter, duct and chimney cleaning, so most exterior cleaning businesses fit here. Don't default to 561720 (Janitorial Services) unless most of your revenue comes from work inside buildings.

Primary NAICS code
561790
SBA size standard
$9 million or less in average annual receipts
Open federal contracts
6

Related codes to add

Most businesses list several NAICS codes. Use 561790 as your primary if it covers most of your revenue, and add these when they describe work you also do:

CodeUse it whenSize standard
561720
Janitorial Services
Most of your work is interior cleaning or window washing (window cleaning is 561720, not 561790).$22 million or less in receipts
811192
Car Washes
You mainly wash or detail vehicles and fleets.$9 million or less in receipts
238990
All Other Specialty Trade Contractors
You sandblast building exteriors, which Census treats as a specialty trade.$19 million or less in receipts

Government contracts for this work

How to choose

Your primary NAICS code should match the work that brings in most of your revenue, and it sets which size standard applies to you for most set-aside contracts. Read each code's Census definition before you register. Our guide on how to choose NAICS codes covers the trade-offs. To see whether you count as small under these codes, try the size standard checker.

Frequently asked questions

What is the NAICS code for a pressure washing business?

The NAICS code for a pressure washing business is 561790, Other Services to Buildings and Dwellings. The Census index lists pressure washing of buildings, decks and fences, power washing building exteriors, and parking lot washing under 561790, Other Services to Buildings and Dwellings. The same code covers gutter, duct and chimney cleaning, so most exterior cleaning businesses fit here. Don't default to 561720 (Janitorial Services) unless most of your revenue comes from work inside buildings.

What is the SBA size standard for NAICS 561790?

A business counts as small under NAICS 561790 with $9 million or less in average annual receipts, under the SBA's table of size standards. Federal contracts set aside for small businesses under this code are limited to firms that meet it.

Can I list more than one NAICS code?

Yes. In your SAM.gov registration you pick one primary NAICS code and can add as many others as describe work you can actually do. Add every code below that fits, because agencies search and set aside contracts by code.