Pool Permit in Fairfax County, Virginia
By Mario Bailey Last verified 2026-06-17 · 2 official sources
Quick answer
A residential pool building permit is required in Fairfax County for any pool with a surface area greater than 150 sq ft, a capacity of more than 5,000 gallons, or a depth of 24 inches or more. Electrical and mechanical permits are also required. An approved pool barrier fence meeting ISPC Section 305 must be installed. Applications go through the PLUS portal.
Permit required?
Sometimes, depending on the project.
Typical threshold: pool over 150 sq ft surface area, over 5000 gallons, or over 24 inches deep requires a building permit.
When a permit is usually needed
For any pool exceeding size or depth thresholds
Permit cost and what affects it
Fees are set by the locality and are not published here. See the official fee schedule or contact the office for current amounts.
Permit costs generally depend on the project valuation, the scope of work, and the inspections required. Ask the office how the fee is calculated for your specific project.
Where to apply
Fairfax County Land Development Services
- 12055 Government Center Pkwy Fairfax VA 22035
- Phone: 703-222-0801
Frequently asked questions
- Do you need a pool permit in Fairfax County?
- A residential pool building permit is required in Fairfax County for any pool with a surface area greater than 150 sq ft, a capacity of more than 5,000 gallons, or a depth of 24 inches or more. Electrical and mechanical permits are also required. An approved pool barrier fence meeting ISPC Section 305 must be installed. Applications go through the PLUS portal. The typical threshold is pool over 150 sq ft surface area, over 5000 gallons, or over 24 inches deep requires a building permit. Always confirm with the office before starting.
- How much does a pool permit cost in Fairfax County?
- Fees are set by Fairfax County and are not published here. Contact the office for current amounts.
- How long does a pool permit take in Fairfax County?
- Processing time for a pool permit in Fairfax County varies by workload and project scope. Contact the Fairfax County Land Development Services for a current estimate.
- Where do you apply for a pool permit in Fairfax County?
- You can apply through the Fairfax County permit portal or contact the Fairfax County Land Development Services directly. The links are listed on this page.
Official sources
Last verified: 2026-06-17 Report an error on this page