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Plymouth County, MA Swimming Pools & Spas: Pool Permits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified July 2026

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.

Key Facts

Wall as Barrier
Must reach 48 inches
Ladder
Removable, lockable, or secured
Governing Rule
780 CMR AG105.2
Permit
Required, town issues

Summary

An above-ground pool gets no special break in Plymouth County. Its wall can serve as the required barrier only when it stands 48 inches high, and the access ladder must be removable or lockable so it cannot be climbed.

City-specific rules exist: Brockton has its own pool permits rules that differ from Plymouth County's county-level regulations. If you live in Brockton, check the city-specific page instead.

The ladder or steps shall be capable of being secured, locked or removed to prevent access.

Source: Massachusetts General LawsView official code

Full Breakdown

Under 780 CMR Appendix G, an above-ground pool with a wall at least 48 inches high can use that wall as the barrier. When access is by a ladder or steps, AG105.2 requires the ladder or steps to be capable of being secured, locked, or removed to prevent access, or the ladder area itself must be surrounded by a compliant barrier. This is the rule in Brockton, Plymouth, Hanover, and every South Shore town. A permit still applies because the pool is a structure, and pump bonding needs an electrical inspection.

Violations & Fines

Leaving the ladder in place and unsecured on an above-ground pool is a cited barrier defect. A pool wall under 48 inches without an added fence fails final inspection.

Frequently Asked Questions

Does an above-ground pool need a fence?
Not if its wall is at least 48 inches high; the wall is the barrier. The ladder must then be removable or lockable under 780 CMR AG105.2.
Do I need a permit for an above-ground pool?
Yes. It is a structure under 780 CMR, so the town building department issues the permit. The county has no role.

Sources & Official References

Other rules in Plymouth County

All Plymouth County rules

Compare Plymouth County to another location·View the Massachusetts swimming pools & spas overview

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Pool Permits in Cities Across Plymouth County