Make a Payment

Thank you for using American On-Site Services!

We offer 3 convenient ways to pay:

Make your payment online with our secure online payment system 24 hours a day, 7 days a week! Payments can be made using all major credit cards.

You will want to have your invoice number and amount due ready.

If you’d like to make your payment over the phone, our friendly staff will be happy to assist you. Please be sure to have your payment information ready including your invoice number and credit card details.

If you’d like to pay by check, please make your check payable to American On-Site Services, with your invoice number(s) referenced in the memo line of your check. Mail your check payment to: 3808 N Sullivan Rd, Bldg. 107A Spokane Valley, WA 99216

This link will open a new tab to take you to a secure payment website outside of