Pool Permits: Lexington vs Somerville
How do pool permits rules compare between Lexington, MA and Somerville, MA?
Lexington and Somerville have similar restriction levels.
Lexington, MA
Middlesex County
Swimming pools in Middlesex County require a building permit under 780 CMR and an electrical permit for any pool over 24 inches deep, plus compliance with MGL c.148 Fire Code and VGB Act for public pools.
View full Lexington rules →Somerville, MA
Middlesex County
Somerville requires a building permit for any pool holding 24 inches or more of water, plus electrical and plumbing permits for equipment under the MA State Building Code.
View full Somerville rules →Key Facts Comparison
| Fact | Lexington | Somerville |
|---|---|---|
| Building permit | Required for all in-ground | - |
| Barrier height | 48 inches minimum | - |
| Setback | Typically 10 feet | - |
| Public pool reg | 105 CMR 435 | - |
| Federal VGB Act | Anti-entrapment required | - |
| Trigger Depth | - | 24 inches or more |
| Building Code | - | 780 CMR MA |
| Drain Safety | - | VGB Act compliance |
| Separate Permits | - | Electrical and plumbing |
| Contact | - | Somerville 311 or (617) 625-6600 |
Highlighted rows indicate differences between cities.
Lexington FAQ
Do I need a permit for an above-ground pool?
Yes, if it is deeper than 24 inches. You need a building permit and electrical permit from the local building department, plus compliance with barrier and setback rules.
What fencing is required around a pool?
Residential pools require a barrier at least 48 inches high with self-closing and self-latching gates, per 780 CMR Appendix G. Openings must prevent a 4-inch sphere from passing through.
Somerville FAQ
Does a kiddie pool need a Somerville permit?
No. Pools holding under 24 inches of water do not require a building permit. However, supervision and safety practices still apply.
How long is the permit process for a Somerville pool?
Typically 2 to 4 weeks for straightforward applications. Complex projects requiring zoning relief can take months.
Compare other topics
See how Lexington and Somerville compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool