Minneapolis Deck Permit

What's Required in Minneapolis

• Required if the deck is attached to a structure with frost footings
• Permit required for any deck over 30 inches high or serving a main entrance
• Footings must reach a minimum depth of 42 inches for frost protection in Minneapolis
• Structural plans showing ledger attachment and joist spans are mandatory
• Guardrails required for decks over 30 inches high (min 36 inches height)
• Zoning review ensures the deck meets side and rear yard setbacks

When a Deck Needs a Permit in Minneapolis

Whether a deck needs a building permit in Minneapolis usually comes down to how high and how big it is. Low, ground-level platforms are often exempt, while raised decks need a permit — in Minneapolis, the line is a deck floor more than 30 inches above grade (where guardrails and footings come into play). Attached decks almost always require a permit because they tie into the house’s structure, and even a freestanding deck usually needs one once it passes the size or height cutoff. Check the requirements above before you build, and note that zoning setbacks from property lines apply regardless.

Do You Need a Permit to Repair or Replace a Deck in Minneapolis

It depends on how much you’re changing. Swapping worn decking boards or railing on the same layout is usually treated as maintenance and often doesn’t require a permit in Minneapolis. But replacing the structural framing (joists, beams, posts, or footings), rebuilding the deck, enlarging it, or changing its height generally does — at that point it’s regulated like new construction. When in doubt, describe the scope to the City of Minneapolis Community Planning and Economic Development before starting; the requirements above outline what Minneapolis expects.

How to Get a Deck Permit in Minneapolis

Frequently Asked Questions