Plumbing Permit in Unincorporated Washoe County, Nevada

Required for plumbing installations, alterations, and repairs in unincorporated Washoe County, including water heater replacements, fixture additions, re-piping, and sewer/water service line work. Governed by the 2024 Uniform Plumbing Code.

Verified 2026-06-30 · Source

When you need this permit

Required documents

Fee schedule

Fee typeAmountNotes
Permit Issuance — base fee$45.00WCC Chapter 100, Appendix A, Table 5 — added to all unit fees below
Each plumbing fixture on one trap (toilet, sink, tub, shower, etc.)$6.00 per fixtureTable 5, Unit Fee Schedule item 1 — includes water, drainage piping, and backflow protection
Building sewer$30.00Table 5, item 2
Water heater and/or vent$8.00Table 5, item 5 — in addition to $45 base fee
Gas piping system, 1–4 outlets$5.00Table 5, item 6
Additional gas piping outlet (each outlet over 4)$1.00 eachTable 5, item 7
Lawn sprinkler system (per meter, including backflow device)$10.00Table 5, item 11
Backflow protective device — 2 inch or smaller$8.00Table 5, item 13

Review timeline

~315 business days

Typical estimate — confirm current times with the Unincorporated Washoe County building department

Inspection process

  1. 1

    Underground / Slab Plumbing

    Before concrete pour — verify pipe slope, materials, cleanouts

  2. 2

    Rough-In

    After pipes installed and before walls closed — pressure test required

  3. 3

    Final

    All fixtures connected, no leaks, proper venting verified

Tips

Frequently asked questions

Do I need a permit to replace a water heater in unincorporated Washoe County?
Yes. A plumbing permit is required for water heater replacement. The base fee is $45 plus $8 for the water heater unit, for a minimum of $53. Submit via the ONe NV permit portal at www.onenv.us or use the EZ Permit — Plumbing form for licensed contractors.

Sources & verification

Verified against official sources. Last reviewed 2026-06-30.

Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Unincorporated Washoe County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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