DCI now offers an easy online payment option! Use this secure online payment through MerchanteE to pay one or multiple invoices. See below instructions for setting up your one-time or recurring payment.

Includes a 3% surcharge for credit card transactions. No surcharge on debit card transactions.
Financial information is not retained by DCI Engineers.

We accept Visa, Mastercard, American Express and Discover. You will need your invoice number, DCI project number and invoice total which are located on your invoice. To pay multiple invoices, please click on +Add row button below. You can pay up to four invoices per credit card transaction. Once all the information is entered, please click submit.

For instructions, please click HERE

Example Invoice

For Web Humbird Hotel 2

DCI Engineers' Privacy Policy


Questions? Please email or call 206-332-1900.
Refund Policy: Any payments made in error should be addressed within seven (7) days by contacting the above email.