Sump Pump Installation in St. Louis, MO — Costs $507 to $3,546

What does sump pump installation cost in St. Louis? Average $1,520, ranging $507–$3,546. Labor runs $31.46/hr locally — 1% above the national average. Free breakdown with material + labor split.

St. Louis, MO Market

+1% vs national

Labor Rate

$31.46/hr

Material Index

97

Avg Permit Cost

$1,491

Median Home Price

$238,249

St. Louis is a mid-sized city in Missouri with a healthy pool of local contractors. Homeowners generally have several options to compare for a sump pump installation, which helps keep pricing competitive. Costs in St. Louis run slightly above the national average, though the gap is modest enough that smart material choices and timing can close it. At a median home price of $238,249, homeowners in St. Louis should weigh the project cost (0.6% of home value) carefully against expected returns to avoid over-improving for the local market.

Low Estimate

$507

National: $500

Mid-Range

$1,520

National: $1,500

High End

$3,546

National: $3,500

Per Sq Ft

$0

National: $0

Duration: 1 day
DIY: Medium
Permits: Required
ROI: 60%

Sump Pump Installation Cost Calculator for St. Louis

Adjusted for St. Louis's labor rate ($31.46/hr) and material costs (index 97).

50 sq ft1,000 sq ft

Mid-grade materials, good quality fixtures, standard options.

Estimated Total in St. Louis

$1,459

Based on 200 sq ft at mid quality, adjusted for St. Louis market rates.

Local Cost Breakdown

Labor (55%)$836

At St. Louis's average rate of $31.46/hr (5% above national avg)

Materials (45%)$684

Material cost index 97 (3% below national baseline of 100)

Sump Pump Installation vs. Home Value in St. Louis

MetricSt. LouisNational Avg
Sump Pump Installation (Mid-Range)$1,520$1,500
Median Home Price$238,249$350,000
Project as % of Home Value0.6%0.4%
Estimated ROI60%60%
Median Household Income$50,044$75,000

What Affects the Price in St. Louis

  • 1Local labor rates ($31.46/hr in St. Louis)
  • 2Material cost index (97 vs national 100)
  • 3Pump type
  • 4Pit construction
  • 5Discharge line
  • 6Battery backup

Popular Upgrades

  • Battery backup
  • Dual pump system
  • Water alarm

Planning a Sump Pump Installation in St. Louis

Building permits are typically required for a sump pump installation in St. Louis. The average permit fee in this area is $1,491, though costs vary based on project scope. Permit fees in this market are above average — factor them into your total budget. Plan for 1 day from start to finish.

A sump pump installation is a complex project best left to licensed professionals. In St. Louis, skilled contractors charge an average of $31.46/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.

For the median St. Louis household earning $50,044/year, this project at $1,520 represents a significant investment. Consider financing options or phasing the work to spread costs over time.

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