Pool Barriers: Gaithersburg vs Rockville
How do pool barriers rules compare between Gaithersburg, MD and Rockville, MD?
Gaithersburg and Rockville have similar restriction levels.
Gaithersburg, MD
Montgomery County
Outdoor swimming pools over 18 inches deep in Gaithersburg must be completely enclosed by an approved fence or wall at least 5 feet high. Gates must be self-closing and self-latching with the latch at least 4 feet from the ground on the pool side. Montgomery County Code Section 51-16 governs these requirements.
View full Gaithersburg rules →Rockville, MD
Montgomery County
COMAR 10.17.01.21 requires Rockville pool barriers at least 48 inches high with self-closing, self-latching gates opening away from the pool. No 4-inch sphere passage allowed.
View full Rockville rules →Key Facts Comparison
| Fact | Gaithersburg | Rockville |
|---|---|---|
| Fence Height | 5 feet minimum | - |
| Gate Latch | Self-closing, 4 feet high, pool side | - |
| Pool Depth | Over 18 inches requires barrier | - |
| Pre-1990 Pools | 42-inch fence or auto cover | - |
| Code | Montgomery County Sec. 51-16 | COMAR 10.17.01.21 |
| Height | - | 48 inches minimum |
| Openings | - | No passage of 4-inch sphere |
| Ground Gap | - | 2 inches maximum |
| Gates | - | Self-closing, self-latching, locking |
Highlighted rows indicate differences between cities.
Gaithersburg FAQ
What fence do I need around my pool in Gaithersburg?
A fence at least 5 feet high that is securely anchored, not climbable, and in good condition. All gates must be self-closing and self-latching with the latch at least 4 feet high on the pool side.
Does an above-ground pool need a fence?
Yes, if the pool is over 18 inches deep. The same barrier requirements apply. Some above-ground pool walls may count as part of the barrier if they meet height and climb-resistance standards.
Rockville FAQ
How tall must a pool fence be in Rockville?
Pool barriers must be at least 48 inches tall under COMAR 10.17.01.21. Gates must be self-closing, self-latching, equipped with a lock, and must open away from the pool.
Can an above-ground pool wall count as a barrier?
Yes, if the pool wall meets the 48-inch height requirement and access ladders are either removable or equipped with a gated enclosure.
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