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Mechanical / Plumbing / Electrical Permit in Unincorporated La Paz County, Arizona

Required for standalone mechanical, plumbing, or electrical work not part of a new-construction building permit in unincorporated La Paz County, under the 2018 IMC/IPC/IFGC and 2020 NEC. Small-valuation trade work is billed a flat per-trade fee; larger work is billed under the standard building-permit valuation table.

Verified 2026-08-15 · Source

When you need this permit

  • Required for mechanical, plumbing, or electrical installations and repairs not covered under an active building permit
  • Apply through the iworq Citizen Portal (https://lapazcountyapplypermit.portal.iworq.net/portalhome/lapazcountyapplypermit) or in person at 1112 Joshua Ave., Ste. 202, Parker, AZ
  • New construction/addition mechanical, electrical, and plumbing trade fees are billed per square foot IN ADDITION TO the building permit square-footage fee
  • Combined permits are available for single equipment installations covering two trades at once (e.g., electrical + mechanical for A/C units; electrical + plumbing for water heaters)

Required documents

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Fee schedule

Single permit — mechanical, plumbing, or electrical (each trade), up to $5,000 valuationResolution No. 2026-11, Exhibit D 'Utilities' table, page 9 of 13. The figure is unchanged from Resolution No. 2025-05, which Resolution No. 2026-11 supersedes effective 8/6/2026.
$50.00 flat per trade
Single permit — mechanical, plumbing, or electrical (each trade), $5,001+ valuationResolution No. 2026-11, Exhibit D 'Utilities' table, page 9 of 13.
Building permit fee per Table M-1
Combined permit for single equipment installation, up to $5,000 valuationResolution No. 2026-11, Exhibit D 'Combined Permit for Single Equipment Installations' table, page 9 of 13. Example: electrical + mechanical for A/C units; electrical + plumbing for water heaters.
$75.00 flat fee
Combined permit for single equipment installation, $5,001+ valuationResolution No. 2026-11, Exhibit D 'Combined Permit for Single Equipment Installations' table, page 9 of 13.
Building permit fee only, per valuation (Table M-1)
New construction or addition — mechanicalResolution No. 2026-11, Exhibit D 'For New Construction or Addition' table, page 10 of 13.
$1.50 per sq. ft. (in addition to building permit sq.-ft. fees)
New construction or addition — electricalResolution No. 2026-11, Exhibit D 'For New Construction or Addition' table, page 10 of 13.
$2.50 per sq. ft. (in addition to building permit sq.-ft. fees)
New construction or addition — plumbingResolution No. 2026-11, Exhibit D 'For New Construction or Addition' table, page 10 of 13.
$3.50 per sq. ft. (in addition to building permit sq.-ft. fees)
RV/mobile home park — electrical/plumbing per spaceResolution No. 2026-11, Exhibit D "RV/Mobile Home Parks" table, page 10 of 13. Unchanged from Resolution No. 2025-05, which Resolution No. 2026-11 supersedes effective 8/6/2026.
$82.50 each trade flat fee; or $50.00 flat for first space plus $10.00 per additional space inspected at the same time

Review timeline

Plan reviewUnincorporated La Paz County’s published plan-review target
40–105 business days

How long did your Mechanical / Plumbing / Electrical Permit permit actually take in Unincorporated La Paz County?

Anonymous — one question, no email. Answers are combined and only shown once at least 5 people have reported.

Inspection process

  1. 1

    Rough-In

    Wiring, piping, or ductwork installed and inspected before wall cover or concealment

  2. 2

    Final

    All trade work complete and operational per adopted 2018 IMC/IPC/IFGC and 2020 NEC

See the full Unincorporated La Paz County inspection guide — scheduling & re-inspection fees →

Tips

  • Combined permits save money when a single project needs two trades at once (e.g., A/C replacement needs both electrical and mechanical) — ask about the $75 combined-permit flat fee before applying for two separate permits.
  • New construction/addition mechanical, electrical, and plumbing fees are charged per square foot IN ADDITION to the building permit fee — budget for all trades when estimating total project cost.
  • RV/mobile home parks are billed per space for electrical and plumbing, with a discount for additional spaces inspected during the same visit.

Frequently asked questions

Yes — mechanical, electrical, and plumbing trades are billed separately (per square foot) even for new construction or additions covered by a building permit; these fees are in addition to, not included in, the building permit square-footage fee. Source: Resolution No. 2026-11, Exhibit D, 'For New Construction or Addition' table (https://www.lapaz.gov/DocumentCenter/View/9777), page 10 of 13, which supersedes Resolution No. 2025-05 effective 8/6/2026.

In Unincorporated La Paz County, the published Single permit — mechanical, plumbing, or electrical (each trade), up to $5,000 valuation is: $50.00 flat per trade. Additional published fees: Single permit — mechanical, plumbing, or electrical (each trade), $5,001+ valuation — Building permit fee per Table M-1; Combined permit for single equipment installation, up to $5,000 valuation — $75.00 flat fee; Combined permit for single equipment installation, $5,001+ valuation — Building permit fee only, per valuation (Table M-1); New construction or addition — mechanical — $1.50 per sq. ft. (in addition to building permit sq.-ft. fees); New construction or addition — electrical — $2.50 per sq. ft. (in addition to building permit sq.-ft. fees); New construction or addition — plumbing — $3.50 per sq. ft. (in addition to building permit sq.-ft. fees); RV/mobile home park — electrical/plumbing per space — $82.50 each trade flat fee; or $50.00 flat for first space plus $10.00 per additional space inspected at the same time. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Unincorporated La Paz County's published plan-review target for a mechanical / plumbing / electrical permit is 40–105 business days.

You'll need: Online Permit Center Application. See the required-documents checklist on this page for details on each.

Unincorporated La Paz County requires 2 inspection(s) for a mechanical / plumbing / electrical permit, in order: Rough-In, Final. Schedule each through La Paz County Community Development Department — Building and Safety Division (928-669-6138).

Apply through La Paz County Community Development Department — Building and Safety Division at 1112 Joshua Avenue, Suite 202, Parker, AZ 85344. Phone: 928-669-6138, email: Comdev@lapaz.gov. Office hours: Permit paper applications normally accepted Monday–Thursday (excluding holidays), 7:00 AM – 6:00 PM, at La Paz County Community Development, 1112 Joshua Ave., Ste. 202, Parker, AZ 85344. Source: La Paz County Building Code Ordinance No. 2024-02, Section 103.A. General county line: 928-669-6115.. Official information: https://www.lapaz.gov/589/BUILDING-SAFETY-PERMITS.

Unincorporated La Paz County, Arizona has adopted: 2018 International Building Code (IBC), including Appendix C, H, I, and J — adopted by reference, Building Code Ordinance No. 2024-02, Section 101.1(A)(1), effective October 17, 2024; 2018 International Residential Code (IRC), including Appendix A, B, G, H, P, and Q — adopted by reference, Building Code Ordinance No. 2024-02, Section 101.1(A)(9); 2018 International Existing Buildings Code (IEBC) — adopted by reference, Building Code Ordinance No. 2024-02, Section 101.1(A)(3); 2018 International Mechanical Code (IMC), including Appendix A — adopted by reference, Building Code Ordinance No. 2024-02, Section 101.1(A)(4); 2018 International Plumbing Code (IPC), including Appendix C and E — adopted by reference, Building Code Ordinance No. 2024-02, Section 101.1(A)(5); 2018 International Fuel Gas Code (IFGC), including Appendix A, B, and C — adopted by reference, Building Code Ordinance No. 2024-02, Section 101.1(A)(6); 2018 International Property Maintenance Code (IPMC), including Appendix A — adopted by reference, Building Code Ordinance No. 2024-02, Section 101.1(A)(7); 2018 International Swimming Pool and Spa Code (ISPSC) — adopted by reference, Building Code Ordinance No. 2024-02, Section 101.1(A)(8); 2018 International Fire Code (IFC), including Appendix B, C, D, E, F, and I — adopted by reference, Building Code Ordinance No. 2024-02, Section 101.1(A)(10); 2020 National Electrical Code (NEC) — adopted by reference, Building Code Ordinance No. 2024-02, Section 101.1(A)(2). Local amendments apply — see the Unincorporated La Paz County overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-08-15.

Fee schedules

Codes & ordinances

Department & other records

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 La Paz County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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