Pool Barriers: Fairfax vs Herndon
How do pool barriers rules compare between Fairfax, VA and Herndon, VA?
Fairfax and Herndon have similar restriction levels.
Fairfax, VA
Fairfax County
Residential swimming pools in the City of Fairfax must be enclosed by a barrier at least 48 inches tall with self-closing, self-latching gates under the Virginia Uniform Statewide Building Code. The barrier applies to in-ground pools, above-ground pools, and permanent hot tubs without lockable covers.
View full Fairfax rules →Herndon, VA
Fairfax County
Residential swimming pools in Herndon require a barrier at least 48 inches high with self-closing, self-latching gates opening outward from the pool. Requirements follow Virginia USBC and apply to both in-ground and above-ground pools over 24 inches deep.
View full Herndon rules →Key Facts Comparison
| Fact | Fairfax | Herndon |
|---|---|---|
| Barrier height | 48 inches minimum | - |
| Gate | Self-closing and self-latching | Self-closing, self-latching, outward swing |
| Latch height | 54 inches or pool side | - |
| Opening gap | 4 inch sphere test | - |
| Covered hot tub | Cover may substitute | - |
| Minimum height | - | 48 inches |
| Opening limit | - | 4 inch maximum |
| House doors | - | Alarm or self-closer required |
| Permit | - | Required for all pools |
Highlighted rows indicate differences between cities.
Fairfax FAQ
Does a 47-inch fence work?
No. The USBC minimum is 48 inches measured from outside grade.
Do I need an alarm on my sliding door?
Yes if the door opens directly to the pool area and the house wall forms part of the barrier.
Is a safety cover enough for a hot tub?
Yes if the cover is lockable and meets ASTM F1346.
Herndon FAQ
Does a kiddie pool need a fence?
Only if it can hold 24 inches or more of water. Small wading pools are exempt.
Can my back house wall serve as fencing?
Yes, partially, but any doors from house to pool area must have self-closing devices or alarms.
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