Cost to French Door Installation in St. Louis, MO (2026)
If you’re budgeting a french door installation in St. Louis, most projects run $1,971-$5,913, 1% below the $3,500 national average. What moves that number most is usually one thing: Interior vs. Exterior Installation. On its own it can swing the cost by $500 - $2,000, so that’s the decision to slow down on before you sweat the smaller stuff.
Easiest place to save: Choose fiberglass over solid wood for exterior doors - save $700-$2,000 with better weather resistance
In the Midwest (where St. Louis sits): Lower costs overall.
$1,971-$5,913 in St. Louis
1% below the national average · 0.99x cost multiplier
In St. Louis, a french door installation runs $1,971 to $5,913 on average - about 1% 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 | $846 | $1,880 | $4,230 |
| Labor | $670 | $1,005 | $1,340 |
| Permits | $0 | $71 | $94 |
| Total | $1,516+1% vs. national avg | $2,956-1% vs. national avg | $5,852-2% vs. national avg |
Budget
Pre-hung fiberglass or steel French doors, standard glass, basic hardware
Mid-Range
Wood or fiberglass French doors with Low-E glass, decorative grilles, upgraded hardware
Premium
Custom solid wood French doors with sidelights, transoms, multi-point locking, custom finish
Material Options
Material prices below are national averages; availability in St. Louis may shift costs slightly.
| Material | Cost/Unit | Best For |
|---|---|---|
| Steel | $400-$800/pair | Interior use, budget exterior projectsMost affordable, strong, good security |
| Fiberglass | $800-$1,800/pair | Exterior installations in most climatesWon't warp, rot, or rust. Good insulation. Can mimic wood grain |
| Solid Wood (Pine/Fir) | $1,200-$2,500/pair | Interior use, covered exterior entriesBeautiful natural appearance, traditional look, can be stained or painted |
| Premium Wood (Mahogany/Oak) | $2,500-$4,500/pair | High-end homes, formal entries, statement piecesStunning appearance, excellent durability, rich character |
Other Projects in St. Louis
St. Louis Estimate
Typical Range
$1,971-$5,913
vs. National Average
1% below national
Cost Multiplier
0.99x
This 0.99x 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 →