Swimming pool permit rules in Plymouth County, MA — also covering above-ground pools, in-ground pools, and spa installations — set fencing, barrier, alarm, and inspection requirements.
Every Plymouth County community builds pools under one rulebook, the state building code, 780 CMR. A swimming pool is a regulated structure, so the town building department, not the county, issues the permit before excavation or assembly begins.
Massachusetts counties hold no permitting power, so a pool permit comes from the town, Brockton, Plymouth, Hingham, or Marshfield, all applying the identical statewide code. Under 780 CMR a permanent in-ground or above-ground pool is a structure that requires a building permit, and the electrical bonding and grounding of the pump and any heater draw a separate electrical permit and inspection. Plans show the barrier, gate hardware, and equipment location. Wetlands within 100 feet trigger a Conservation Commission order under the Wetlands Protection Act before the building permit issues.
Installing a pool without the town building permit is illegal work under 780 CMR and draws a stop-work order, fines, and a retroactive permit. Unbonded pool wiring fails the electrical inspection.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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