Loudoun County, VA Building Safety: Plumbing Permits (2026)
Key Facts
- 1&2-family dwelling fee
- $70, two inspections included
- Commercial fee
- $105, two inspections included
- Reinspection fee
- $30 each beyond the two included
- Issuing official
- Building Official, Dept. of Building & Development
- First-offense penalty
- $100 civil fine (§1410.99)
- Scope
- Unincorporated county; towns permit separately
Summary
Unincorporated Loudoun County requires a plumbing permit before any installation, alteration or repair of a water, sewer, or fixture system: the Department of Building and Development issues it under Chapter 1410's adoption of the Virginia Uniform Statewide Building Code. Appendix A prices the permit at $70 for a one- or two-family dwelling and $105 for commercial work, both covering two inspections.
APPENDIX A. VIRGINIA UNIFORM STATEWIDE BUILDING AND HOUSING CODE FEE SCHEDULE Effective July 1, 2022 ... Plumbing Permit (2 Inspections) 1 & 2 Family Dwelling $70 Commercial $105 Water Service (new or replacement) $70 Sewer lines (new or replacement) $70 Additional Reinspections per Inspection $30
Full Breakdown
A. 01(b)(1)). 09(a), every permit issued under the chapter, plumbing included, is issued by the Building Official or a designated agent, with fees published in Appendix A and updated by the Department of Building and Development. Appendix A prices a plumbing permit, which covers two inspections, at $70 for a one- or two-family dwelling and $105 for commercial work; a new or replacement water service line and a new or replacement sewer line each carry their own $70 fee, and any reinspection beyond the two included costs $30.
09(d) exempts Loudoun County government, the public schools, the incorporated towns, the Sanitation Authority and the Fire and Rescue companies from these fees. 08. This chapter governs the unincorporated county; Leesburg, Purcellville, Hamilton, Middleburg, Round Hill, Hillsboro and Lovettsville administer plumbing permits under their own town codes rather than Chapter 1410.
Violations & Fines
Plumbing work without the required permit is a civil violation under §1410.99: $100 for a first offense and $150 for each additional one, or the maximum the Code of Virginia allows, whichever is greater, with every day the violation continues counted as a separate offense (no more than one charge per ten-day period, capped at $3,000 total per set of facts). The Building Official may also seek a civil injunction for repeat or health-and-safety violations.
Frequently Asked Questions
Do I need a permit to replace a water heater in unincorporated Loudoun County?
How much does a Loudoun County plumbing permit cost?
What happens if I do plumbing work in Loudoun County without a permit?
Sources & Official References
Other rules in Loudoun County
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