Dakota County sets no retaining-wall rule for cities. A common Dakota County city standard requires a building permit for any retaining wall taller than 4 feet or that supports a surcharge. Engineered plans are often required.
Retaining-wall permitting is handled by your city under the state building code. In Apple Valley, a building permit is required for any wall that exceeds four feet in height, measured from the bottom of the footing to the top of the wall, or that supports a surcharge or certain flammable liquids, regardless of height. This four-foot threshold mirrors the Minnesota State Building Code and is common across Dakota County cities. Walls over 4 feet usually need engineered plans. In unincorporated townships, walls affecting shoreland or floodplain areas may also require Dakota County review.
Building an over-height wall without a permit can trigger a stop-work order and after-the-fact permitting; safety-related failures may require reconstruction. Penalties set by city ordinance.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how Dakota County's retaining walls rules stack up against other locations.
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