Plumbing Permit Fees

Fees for the types of plumbing permits contractors and homeowners can acquire in St. Louis.

Permit fees are established by City Ordinance 71644

Fees for Plumbing Permits
Type Fee Surcharge
Application Fee  $30
Tap, water connection or extension, each $25
Sewer extension, connection or repair, each  $25
Irrigation System Zones (does not include backflow device), each $25
Fixtures, each (floor drain, sump, water heater, reduced pressure backflow device or double gate/double check valve, roof drain or trapped outlet) $10
Test of reduced pressure backflow device or double gate/double check valve $40
Late fee for all backflow tests not performed within 30days of anniversary date, each $30
Rough inspection, each $25
Finish inspection, each  $25
Re-inspection, each $30
Special inspection, each $45
Fees for commencing work before receiving a permit
Permit Fee Surcharge
$0 to $50 $35
$51 to $200 $95
$201 to $500 $245
$501 to $2,000 $365
$2,001 to $10,000 $485
Over $10,000 $1005

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