Cost to Toilet Installation in St. Louis, MO (2026)
If you’re budgeting a toilet installation in St. Louis, most projects run $276-$702, right at the $450 national average. What moves that number most is usually one thing: Toilet Style and Features. On its own it can swing the cost by $100 - $800, so that’s the decision to slow down on before you sweat the smaller stuff.
Easiest place to save: Install it yourself to save $100-$300 in labor - toilet replacement is a common DIY project requiring just a wrench and wax ring.
Why it costs this here: A plumber in St. Louis earns $38.98 an hour, 12% more than the $34.70 national average, 12th highest of the 49 metros we price. Labor is 34% of what this particular job costs, which is why St. Louis lands where it does: the materials cost roughly what they cost anywhere, and the wage is what moves.
In the Midwest (where St. Louis sits): Lowest costs nationally.
$276-$702 in St. Louis
Same as the national average · 1.00x cost multiplier
In St. Louis, a toilet installation runs $276 to $702 on average - right at 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 | $94 | $235 | $658 |
| Labor | $112 | $169 | $337 |
| Permits | $0 | $0 | $0 |
| Total | $206+3% vs. national avg | $404+1% vs. national avg | $995+0% vs. national avg |
Budget
Basic round-front two-piece toilet with standard gravity flush, direct replacement on existing flange.
Mid-Range
Elongated comfort-height two-piece toilet with WaterSense rating, new wax ring, supply line, and shut-off valve.
Premium
One-piece elongated toilet or wall-hung model with dual-flush, soft-close seat, and flange repair or relocation.
Material Options
Material prices below are national averages; availability in St. Louis may shift costs slightly.
| Material | Cost/Unit | Best For |
|---|---|---|
| Two-Piece Round Front | $100-$200 | Powder rooms, half baths, and small bathrooms where space is tightMost affordable, widely available, easy to transport (lighter pieces), fits tight spaces |
| Two-Piece Elongated Comfort Height | $200-$400 | Most full bathrooms - this is the most popular residential choiceMore comfortable bowl shape, 17-19 inch seat height is easier to sit/stand, best value |
| One-Piece Elongated | $300-$600 | Master bathrooms and modern bathroom designsSleeker look, easier to clean (no seam), lower profile, often quieter flush |
| Wall-Hung Toilet | $500-$1,500 | Contemporary designs and ADA-compliant bathroomsFloor is completely clear for easy cleaning, modern look, adjustable height |
Other Projects in St. Louis
St. Louis Estimate
Typical Range
$276-$702
vs. National Average
Same as national
Cost Multiplier
1.00x
This 1.00x 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 →