Do I Need a Permit for a Swimming Pool Demolition?
Usually yes — most jurisdictions require demolition permits for swimming pools, and the engineering question (what happens to the hole) matters more than the teardown. The two accepted methods: full removal (excavate the entire shell and backfill with engineered fill) or partial removal/abandonment (punch the floor, collapse the walls below grade, backfill). The method determines whether you can ever build on that spot again.
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Full vs. partial removal
Full removal: the entire concrete/shotcrete shell comes out, the excavation gets backfilled with compacted engineered fill in lifts, tested for compaction. Result: buildable ground, documented for future permits. Partial removal: holes punched in the floor for drainage, walls knocked down to 2-3 feet below grade, rubble left in the hole, backfilled. Cheaper by half — but the ground is not buildable, and many jurisdictions require deed disclosure of the abandoned pool.
Permit and inspection requirements
The demolition permit covers the method: cities increasingly require full removal or engineered partial removal with a soils engineer's compaction testing of the backfill. Utility disconnections (electrical, gas heaters, plumbing) need their permits. The pool's plumbing and electrical get abandoned per code. Fence and barrier removal happens with the demolition — the open excavation is its own hazard during the work.
Costs and future use
Full removal: $15,000-$30,000+ depending on access and shell thickness. Partial: $8,000-$15,000. The cost difference is the excavation and engineered backfill. If there is any chance of future construction on the spot (ADU, addition, patio with footings), full removal with compaction reports is the only option — building over an abandoned pool without documentation is a geotechnical rejection waiting to happen.
The bottom line
Permit pool demolition and choose the method by future use: full removal with engineered backfill for buildable ground ($15,000-$30,000+), partial only with deed disclosure and no future structures.
Torch Engineering PLLC · (480) 490-0064 · info@torchengineering.com — PE stamping backed by Apex Grid Engineering.