Cost to Dimmer Switch Installation in St. Louis, MO

$88–$264 in St. Louis

12% below the national average · 0.88x cost multiplier

In St. Louis, a dimmer switch installation runs $88 to $264 on average — about 12% below what homeowners pay nationwide. The Midwest market's labor costs account for most of the gap, with material pricing and local permitting fees adding to the spread. Use the cost table below to compare budget, mid-range, and premium options side by side.

Cost Breakdown in St. Louis

Line Item	Low	Mid	High
Materials	$13	$35	$88
Labor	$66	$88	$132
Permits	$0	$0	$0
Total	$79-12% vs. national avg	$123-12% vs. national avg	$220-12% vs. national avg

Budget

Basic rotary or slide dimmer replacing an existing single-pole switch, per switch

Mid-Range

LED-compatible decora dimmer with preset levels, per switch, including testing with existing fixtures

Premium

Smart dimmer with Wi-Fi, app control, and voice assistant integration, per switch, including setup and configuration

Material Options

Material prices below are national averages; availability in St. Louis may shift costs slightly.

Material	Cost/Unit	Pros	Cons	Best For
Basic Rotary/Slide Dimmer	$8-$15 each	Cheapest option, simple operation, works with incandescent and some LED	May cause flickering with LED bulbs, basic appearance, no preset levels	Closets, garages, and areas with incandescent or halogen lightingCheapest option, simple operation, works with incandescent and some LED
LED-Compatible (CL) Dimmer	$15-$40 each	Smooth LED dimming, multiple preset levels, modern decora style, reliable	More expensive than basic dimmers, still no smart features	Most rooms in the home - the best general-purpose optionSmooth LED dimming, multiple preset levels, modern decora style, reliable
Smart Dimmer (Wi-Fi)	$40-$80 each	Voice and app control, scheduling, scene setting, energy monitoring on some models	Requires Wi-Fi, needs neutral wire (most models), higher cost, firmware updates	Living rooms, bedrooms, and frequently used spaces in smart homesVoice and app control, scheduling, scene setting, energy monitoring on some models
Smart Dimmer System (Lutron Caseta, etc.)	$60-$120 each (including hub cost)	Most reliable smart dimming, no neutral wire needed, Pico remotes, geofencing	Requires proprietary hub ($80-$100), highest per-switch cost, proprietary ecosystem	Whole-home smart lighting with the best reliability and compatibilityMost reliable smart dimming, no neutral wire needed, Pico remotes, geofencing

Other Projects in St. Louis

Full Kitchen Remodel

Basement Finishing

Roof Replacement (Asphalt Shingles)

Back to national average for Dimmer Switch Installation

St. Louis Estimate

Typical Range

$88–$264

vs. National Average

12% below national

Cost Multiplier

0.88x

Estimates apply St. Louis's 0.88x regional cost multiplier to national averages. Actual bids vary by contractor, project scope, and timing.

See national average costs →