How much does a deck repair cost in St. Louis?

A deck repair in St. Louis typically costs $762-$3,557, 2% above the $2,000 national average.

What is the cost per sq ft for a deck repair in St. Louis?

Deck Repair in St. Louis typically costs $5-$25 per sq ft.

How long does a deck repair take?

A deck repair typically takes 1-3 days. The minimum timeline is 2 hours, and complex projects can run 1 week.

Can I DIY a deck repair?

DIY feasibility for a deck repair is rated Partial.

Cost to Deck Repair in St. Louis, MO (2026)

If you’re budgeting a deck repair in St. Louis, most projects run $762-$3,557, 2% above the $2,000 national average. What moves that number most is usually one thing: Scope of Damage. On its own it can swing the cost by $200 - $5,000, so that’s the decision to slow down on before you sweat the smaller stuff.

Easiest place to save: Replace only damaged boards rather than the entire surface - spot repairs at $3-$15/board vs. $1,500-$5,000 for full resurfacing

In the Midwest (where St. Louis sits): Lower costs, weather damage from snow and ice common.

$762-$3,557 in St. Louis

2% above the national average · 1.02x cost multiplier

In St. Louis, a deck repair runs $762 to $3,557 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 sq ft	$5	$12	$25
Materials	$188	$658	$1,880
Labor	$327	$982	$2,182
Permits	$0	$71	$141
Total	$515+3% vs. national avg	$1,711+2% vs. national avg	$4,203+1% vs. national avg

Budget

Minor repairs: replacing a few boards, tightening hardware, minor railing fixes

Mid-Range

Moderate repairs: replacing 20-30% of deck boards, railing replacement, stair repair, re-staining

Premium

Major repairs: joist replacement, ledger board repair, full railing replacement, structural reinforcement

Material Options

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

Material	Cost/Unit	Pros	Cons	Best For
Pressure-Treated Lumber	$3-$6/sq ft	Most affordable, widely available, can be stained any color	Requires regular sealing/staining, can warp and crack, splinters	Budget repairs, matching existing pressure-treated decksMost affordable, widely available, can be stained any color
Cedar/Redwood	$6-$10/sq ft	Naturally rot-resistant, beautiful grain, can be left to weather naturally	More expensive, softer wood that dents, still needs periodic sealing	Higher-end wood decks, natural appearance preferenceNaturally rot-resistant, beautiful grain, can be left to weather naturally
Composite (Trex, TimberTech)	$8-$15/sq ft	Very low maintenance, won't rot or splinter, long-lasting, consistent appearance	Most expensive, can't be sanded, harder to match existing composite colors	Low-maintenance priority, upgrading from wood, long-term valueVery low maintenance, won't rot or splinter, long-lasting, consistent appearance
PVC Decking	$10-$18/sq ft	Fully waterproof, no organic material to rot, mold-resistant	Can feel less natural, expands/contracts with temperature, highest cost	Pool decks, wet climates, maximum durabilityFully waterproof, no organic material to rot, mold-resistant

Other Projects in St. Louis

Full Kitchen Remodel

Basement Finishing

Roof Replacement (Asphalt Shingles)

Back to national average for Deck Repair

St. Louis Estimate

Typical Range

$762-$3,557

vs. National Average

2% above national

Cost Multiplier

1.02x

Cost Per sq ft

$5-$25

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 →