This limits the use of deck piers because a deck post cannotīe in ground contact. Ground-level deck, you may be able to dig around the column for water does not poolĪround the post. Build it right the first time, enjoy it for years.ĭeck posts must bear on concrete columns extending 6” above grade. May be thinking O’ if I just use deck piers I will be able to enjoy my deck soonerīut you will also be able to enjoy your deck less when it collapses and needs Will never regret building a strong deck that can be enjoyed for years.Īre digging down four feet to pour concrete piles below the frost level, you May be a low deck, not requiring a permit or to meet code requirements, but you Is why I build all decks with concrete columns, 10” wide, and 48” deep.

Permit is required, it is better to build a deck with sufficient support. The depth requirement is to provide stable support for the Size requirements are to ensure enough soil bearing to prevent the joist from Than 24” require concrete piles 10” in diameter and 48” below grade. Total freedom in selecting the level of support for your deck. Less than 24” above grade do not require a permit. Allowing you to set the pier block below the frost level on stable ground. Piers blocks can also be used if the frost level depth is less then the height of the pier block.

Pier blocks can be used instead of footings for a ground-level deck not requiring permits. Acceptability of deck pier blocks instead of footings depends on two things

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