Cost to Bathtub to Shower Conversion in St. Louis, MO (2026)
If you’re budgeting a bathtub to shower conversion in St. Louis, most projects run $2,558-$10,231, 2% above the $5,500 national average. What moves that number most is usually one thing: Prefab Unit vs Custom Tile. On its own it can swing the cost by $800 - $10,000, so that’s the decision to slow down on before you sweat the smaller stuff.
Easiest place to save: Keep the drain in or near its current position - repositioning a shower drain adds $500-$2,000 depending on floor type
In the Midwest (where St. Louis sits): Competitive contractor market keeps prices 10-18% below national average.
$2,558-$10,231 in St. Louis
2% above the national average · 1.02x cost multiplier
In St. Louis, a bathtub to shower conversion runs $2,558 to $10,231 on average - about 2% above 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 |
|---|---|---|---|
| Cost per project | $1228 | $5627 | $18415 |
| Materials | $752 | $2,350 | $5,640 |
| Labor | $1,348 | $2,808 | $5,617 |
| Permits | $188 | $376 | $564 |
| Total | $2,288+4% vs. national avg | $5,534+2% vs. national avg | $11,821+2% vs. national avg |
Budget
Prefab shower unit, keep existing drain, new fixtures.
Mid-Range
Custom tile shower, new drain, glass doors, recessed niche.
Premium
Walk-in, frameless glass, custom tile, linear drain, bench.
Material Options
Material prices below are national averages; availability in St. Louis may shift costs slightly.
| Material | Cost/Unit | Best For |
|---|---|---|
| Prefab Acrylic Surround | $400-$1,000 unit | Rentals, quick flips, budget conversionsLow cost, fast installation, seamless surface, no grout to clean |
| Custom Tile | $1,500-$6,000 for standard size (materials + setting) | Primary bathrooms, design-forward remodelsUnlimited design options, durable, increases home value |
| Cultured Marble | $800-$2,500 unit | Mid-range conversions where low maintenance is a priorityNon-porous (no grout), custom-cut to fit, durable and easy to clean |
| Frameless Glass Enclosure | $1,500-$4,500 installed | Mid-range to premium custom tile conversionsOpen, airy look; easy to clean; premium appearance |
| Sliding Glass Door | $400-$1,200 installed | Small bathrooms, budget conversionsAffordable, space-efficient (no swing clearance needed) |
Other Projects in St. Louis
St. Louis Estimate
Typical Range
$2,558-$10,231
vs. National Average
2% above national
Cost Multiplier
1.02x
Cost Per project
$1228-$18415
This 1.02x estimate prices St. Louis labor from BLS Occupational Employment and Wage Statistics (May 2025) and applies a lighter regional adjustment to materials and permits, which vary less by metro than labor does. Actual bids vary by contractor, project scope, and timing.
See national average costs →