Plumbing Permit in Loudoun County, Virginia
By Mario Bailey Last verified 2026-06-17 · 2 official sources
Quick answer
A plumbing permit is required in Loudoun County for adding or relocating plumbing fixtures such as bathrooms, sinks, and drains, and for any new plumbing runs. Contractors must hold a master plumber license and a valid Loudoun County business license. Submit applications through the LandMARC online portal or in person at the Government Center.
Permit required?
Yes, a permit is required.
When a permit is usually needed
For adding or relocating plumbing fixtures or running new plumbing
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
Loudoun County Department of Building and Development
- 1 Harrison Street SE, Leesburg, VA 20175
- Phone: (703) 777-0220
Frequently asked questions
- Do you need a plumbing permit in Loudoun County?
- A plumbing permit is required in Loudoun County for adding or relocating plumbing fixtures such as bathrooms, sinks, and drains, and for any new plumbing runs. Contractors must hold a master plumber license and a valid Loudoun County business license. Submit applications through the LandMARC online portal or in person at the Government Center. Always confirm with the Loudoun County Department of Building and Development before starting.
- How much does a plumbing permit cost in Loudoun County?
- Fees are set by Loudoun County and are not published here. Contact the office for current amounts.
- How long does a plumbing permit take in Loudoun County?
- Processing time for a plumbing permit in Loudoun County varies by workload and project scope. Contact the Loudoun County Department of Building and Development for a current estimate.
- Where do you apply for a plumbing permit in Loudoun County?
- You can apply through the Loudoun County permit portal or contact the Loudoun County Department of Building and Development directly. The links are listed on this page.
Official sources
Last verified: 2026-06-17 Report an error on this page
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