Septic System Design Fee

This fee is for the design of one BJSoftware on-lot septic system (elevated sand mound, at-grade, filter system, etc.). If you are paying for multiple designs, you will be able to change the number of designs on the next page. Please submit an order for the septic system first by contacting us before paying here.

Your payment will be made securely at PayPal to Rules of Thumb, inc. (BJSoftware is a wholly owned subsidiary of Rules of Thumb, inc.) You will be able to pay with a credit card or your PayPal account.

You can elect to have your design emailed to you as a PDF or we can mail the design to you via the US Postal Service:


Delivery Method