Deck Builders in St. Louis, MO

Browse deck contractors in St. Louis. Check local permit requirements and get a cost estimate before you hire.

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Permit Requirements

Fees: $25 application fee + valuation-based permit fee. $0-$1,000 project: $19 permit fee ($44 total). $1,001-$2,000: $23 ($48 total). $2,001-$3,000: $30 ($55 total). Over $3,000: $10 per $1,000 of estimated cost.

Timeline: Not published. Multiple city agencies review the application. Permit is issued after all approvals received and permit fee is paid.

Exempt if: All decks and porches require a permit in St. Louis — no size or height exemption. Retaining walls ≤18 inches are exempt but decks are not.

Full permit details

Tips for Hiring a Deck Builder

  • 1. Verify their contractor license with your state board
  • 2. Get at least 3 written quotes
  • 3. Ask who pulls the building permit (it should be them)
  • 4. Check for general liability and workers comp insurance
  • 5. Never pay more than 30% upfront

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PermitDeck is a directory service, not a referral service. We do not guarantee any contractor's work quality, licensing status, or availability. Listings may include unverified information. Always verify credentials independently, check references, and get multiple written quotes before hiring any contractor.