Deck Footing Calculator
Calculate deck footing count and depth.
Last updated: June 2026
📋Full cost guides, how-to steps, and contractor pricing breakdowns at EstimatorSuite.com
Most of the US — frost line at 36 inches
Footing & Material Estimate
Footings needed6
Posts (4x4/6x6)6
Concrete bags (80 lb)30
Total footing costConcrete + sonotubes + hardware + labor
$600 - $1,080
Based on: 200 sq ft deck, 2 beams, standard (36" deep). Footings spaced 8 ft apart. Prices from HomeAdvisor + Angi 2026. Last verified: June 2026.
Disclaimer: These estimates are for budgeting purposes only. Actual costs depend on your location, current material prices, and contractor rates. Always get 2-3 quotes from licensed contractors before starting any project.