St. Louis siding installation pricing per square foot
Siding Installation cost per square foot in St. Louis, Missouri in 2026.
Low
$6,600
Average
$12,700
High
$20,700
St. Louis crews quote about $4 – $24 per square foot.
Multiply local unit rates by your real measurements.
What drives siding installation prices in St. Louis
Local labor, permitting and climate move St. Louis prices away from the national average.
Labor market
Licensed trade labor in St. Louis runs about 94% of the national average, and the best crews book out fastest in spring and early summer.
Permits
Most St. Louis, MO projects that change structure, electrical, plumbing or mechanical systems need a permit from the local building department; cosmetic work usually does not.
Climate
Missouri weather drives material choices here, so ask contractors what they install most often in St. Louis and why.
St. Louis unit pricing by material
Ways to lower your St. Louis price
- Side over existing vinyl where code allows to skip removal and disposal.
- Choose a standard color and profile — custom orders add 15% to 25%.
- Book in late fall or winter when exterior crews slow down.
- Do the whole house at once; partial jobs never blend and cost more per square foot.
- Fix sheathing and flashing properly now rather than repairing rot in five years.
St. Louis questions
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