Commercial Glass & Curtain Wall Installation Cost Guide — St. Louis, MO

Verified 2025 pricing for commercial glass & curtain wall installation services in St. Louis. Updated quarterly from local contractor data.

Service Cost Ranges

Service	Low	Average	High	Unit
Storefront Glazing System	$5,000	$20,000	$80,000	per project
Curtain Wall System	$30,000	$100,000	$500,000	per project
Commercial Window Replacement	$500	$1,500	$4,000	per window

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Older housing stock (pre-1958) increases complexity and materials cost

✓Get at least 3 quotes

✓Ask about seasonal discounts

✓Bundle multiple services

✓Check for manufacturer rebates

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