FloridaRealtors/FloridaBar-ASIS-2 3 Rev.8/139/14 Â© 2013 2014 Florida RealtorsÂ® and The Florida Bar. All rights reserved. 173 (b) Seller shall pay the assessment(s) in full prior to or at the time of Closing. 174 IF NEITHER BOX IS CHECKED, THEN OPTION (a) SHALL BE DEEMED SELECTED.
1 The average septic system replacement cost ranges from $6,000 to $50,000 including financing. 2  Up to 50% of the replacement septic system cost is profit for the installer, therefore our solution is rarely mentioned.3  Most regulators are risk averse and avoid breakthrough technology.nderstanding Septic System Repair Costs. 1  The average septic system replacement cost ranges from $6,000 to $50,000 including financing. 2  Up to 50% of the replacement septic system cost is profit for the installer, therefore our solution is rarely mentioned.
The cost to build a septic tank system varies widely from as little as $1,500 to upward of $4,000.