Fire Sprinkler Requirements: Herndon vs Vienna
How do fire sprinkler requirements rules compare between Herndon, VA and Vienna, VA?
Herndon and Vienna have similar restriction levels.
Herndon, VA
Fairfax County
Fairfax County follows the Virginia Uniform Statewide Building Code requiring automatic fire sprinklers in new high-rises, multifamily housing over three stories, and most commercial occupancies, with FCFRD plan review and acceptance testing mandatory.
View full Herndon rules →Vienna, VA
Fairfax County
Fairfax County follows the Virginia Uniform Statewide Building Code requiring automatic fire sprinklers in new high-rises, multifamily housing over three stories, and most commercial occupancies, with FCFRD plan review and acceptance testing mandatory.
View full Vienna rules →Key Facts Comparison
| Fact | Herndon | Vienna |
|---|---|---|
| Code basis | VA USBC Part 1 | VA USBC Part 1 |
| Standards | NFPA 13, 13R, 13D | NFPA 13, 13R, 13D |
| Trigger | Over three stories | Over three stories |
| Reviewer | FCFRD Fire Marshal | FCFRD Fire Marshal |
| Single-family | Not state-mandated | Not state-mandated |
Highlighted rows indicate differences between cities.
Herndon FAQ
Are sprinklers required in single-family homes in Fairfax County?
No, Virginia state law preempts local single-family sprinkler mandates, though builders may voluntarily install NFPA 13D systems for insurance discounts.
Who inspects existing sprinkler systems?
Building owners contract with licensed sprinkler contractors for annual NFPA 25 inspections; FCFRD audits records and conducts spot inspections.
Vienna FAQ
Are sprinklers required in single-family homes in Fairfax County?
No, Virginia state law preempts local single-family sprinkler mandates, though builders may voluntarily install NFPA 13D systems for insurance discounts.
Who inspects existing sprinkler systems?
Building owners contract with licensed sprinkler contractors for annual NFPA 25 inspections; FCFRD audits records and conducts spot inspections.
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