Question 1

Do I need a local license to operate a well drilling and septic systems business in Seattle?

Accepted Answer

Yes. In addition to your Washington state license, Seattle may require a local business license and additional permits. Key local requirements include: Seattle business license tax certificate (annual), Washington State business license with Seattle city endorsement, Zoning/land-use verification from Seattle Department of Construction & Inspections.

Question 2

How do I get a well drilling and septic systems license in Seattle, WA?

Accepted Answer

First, obtain your Washington Well Driller / Septic Installer License from Washington Department of Environmental Quality. Then register with Seattle for any required local business licenses. The state license costs approximately $475 initial, $285 renewal and takes 30-60 days to process.

Question 3

How much does a well drilling and septic systems license cost in Seattle?

Accepted Answer

The Washington state license costs approximately $475 initial, $285 renewal, and renewal occurs every 1-2 years. Seattle may charge additional local business license or permit fees on top of the state fee.

Question 4

Who regulates well drilling and septic systems businesses in Seattle?

Accepted Answer

Well Drilling and Septic Systems businesses in Seattle are regulated at the state level by Washington Department of Environmental Quality, and locally by City of Seattle, Department of Finance and Administrative Services (License and Tax Administration). You must comply with both state and local requirements.