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Solar Installation Permit in Unincorporated La Paz County, Arizona

La Paz County publishes a distinct 'Solar Installation' fee line item, separate from its general building-permit fee table, for rooftop and ground-mounted residential/commercial PV installations in unincorporated La Paz County. It also charges a discounted 50% plan-review rate for solar (vs. the standard 65% rate for commercial/residential building permits), confirmed by direct visual review of Resolution No. 2026-11, Exhibit D (Fee Schedule, implementation date August 6, 2026, superseding Resolution No. 2025-05 in its entirety), pages 10-11. Electrical interconnection is billed additionally under the county's standard electrical utility fee, per the fee schedule's note that solar fees are 'plus the value of any utilities installed.'

Verified 2026-08-15 · Source

When you need this permit

  • Solar Installation Permit required for PV system installation in unincorporated La Paz County, applied through the iworq Citizen Portal (https://lapazcountyapplypermit.portal.iworq.net/portalhome/lapazcountyapplypermit) or in person at 1112 Joshua Ave., Ste. 202, Parker, AZ
  • Site plan showing panel/array location, and complete plans for the installation, per the county's standard building-permit submittal requirements
  • Must use an Arizona-licensed contractor (A.R.S. §32-1151), unless qualifying for the owner-builder exemption Owner-builderContractor
  • Electrical interconnection work is billed additionally under the county's Utilities fee schedule (a separate Electrical trade permit) — the Solar Installation fee line is explicitly 'PLUS THE VALUE OF ANY UTILITIES INSTALLED' per the fee schedule
  • Per statewide A.R.S. § 11-323 (Solar construction permits; standards), the county's required plan content is limited to system location/roof plan/elevation, panel mounting details, and a one-line/three-line electrical diagram (waived if a qualified online automated permitting platform is used), and the county may not require a professional engineer's stamp absent a written justification

Required documents

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Fee schedule

Solar Installation — up to $5,000 valuation
Resolution No. 2026-11, Exhibit D (implementation date August 6, 2026), 'Solar Installation' table, page 10 of 13. Show full citationResolution No. 2026-11, Exhibit D (implementation date August 6, 2026), 'Solar Installation' table, page 10 of 13. The fee is 'PLUS THE VALUE OF ANY UTILITIES INSTALLED' (i.e., the separate electrical trade fee). The amount is unchanged from Resolution No. 2025-05, which Resolution No. 2026-11 supersedes effective 8/6/2026.
$150.00 flat fee
Solar Installation — $5,001 or more valuation
Resolution No. 2026-11, Exhibit D, 'Solar Installation' table, page 10 of 13. Show full citationResolution No. 2026-11, Exhibit D, 'Solar Installation' table, page 10 of 13. Most residential rooftop PV systems (typically well above $5,000 in installed cost) will fall in this tier and be billed the same valuation-based fee as the general Residential Building Permit (note the top valuation tier of that schedule changed in Resolution No. 2026-11 — see the Residential Building Permit entry).
Building Permit Fee, per Table M-1 valuation schedule
Plan Review Fee — Solar SystemsResolution No. 2026-11, Exhibit D, 'Plan Review Fees' table, item D, page 11 of 13 — a discounted rate compared to the standard 65% Commercial/Residential plan review fee. Resolution No. 2026-11 supersedes Resolution No. 2025-05 effective 8/6/2026 and prints the same rate.
50% of Building Permit Fee
Electrical utility fee (interconnection, billed separately from the Solar Installation fee)Resolution No. 2026-11, Exhibit D, 'Utilities' table, page 9 of 13 — the same electrical-trade fee documented in the Mechanical/Plumbing/Electrical Permit entry.
Up to $5,000 valuation: $50.00 flat; $5,001+: Building Permit Fee per Table M-1

Review timeline

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

How long did your Solar Installation 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 Electrical

    Wiring, combiners, and disconnects inspected before concealment, per adopted 2020 NEC

  2. 2

    Final

    Array mounting, bonding/grounding, and point of interconnection complete and operational

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

Tips

  • La Paz County publishes both a distinct flat/valuation-based Solar Installation fee and a reduced plan-review rate for solar: 50% rather than the 65% rate that otherwise applies. Both are stated county policy — make sure the solar rate is applied when your permit is priced.
  • Remember the Solar Installation fee is explicitly 'plus the value of any utilities installed' — budget for the separate electrical trade fee (Utilities table) on top of the Solar Installation line.
  • Arizona's statewide HB2301 requires counties to offer instant/automated solar permitting by January 1, 2026 with a 2-business-day turnaround — ask La Paz County Community Development directly whether their iworq portal now qualifies, since this could significantly shorten the standard 40-105 working day general review timeline for a straightforward residential system.

Frequently asked questions

Unincorporated La Paz County requires a solar installation permit for: Solar Installation Permit required for PV system installation in unincorporated La Paz County, applied through the iworq Citizen Portal (https://lapazcountyapplypermit.portal.iworq.net/portalhome/lapazcountyapplypermit) or in person at 1112 Joshua Ave., Ste. 202, Parker, AZ; Site plan showing panel/array location, and complete plans for the installation, per the county's standard building-permit submittal requirements; Must use an Arizona-licensed contractor (A.R.S. §32-1151), unless qualifying for the owner-builder exemption; Electrical interconnection work is billed additionally under the county's Utilities fee schedule (a separate Electrical trade permit) — the Solar Installation fee line is explicitly 'PLUS THE VALUE OF ANY UTILITIES INSTALLED' per the fee schedule; Per statewide A.R.S. § 11-323 (Solar construction permits; standards), the county's required plan content is limited to system location/roof plan/elevation, panel mounting details, and a one-line/three-line electrical diagram (waived if a qualified online automated permitting platform is used), and the county may not require a professional engineer's stamp absent a written justification. If your project isn't listed, confirm with La Paz County Community Development Department — Building and Safety Division at 928-669-6138 before starting work.

No — the Solar Installation fee is explicitly 'plus the value of any utilities installed,' meaning the electrical interconnection work is billed separately under the county's standard Utilities fee table ($50 flat up to $5,000 valuation, or the Table M-1 building permit fee above that).

Unincorporated La Paz County's published plan-review target for a solar installation permit is 40–105 business days.

You'll need: Site Plan and Building Plans (iworq Citizen Portal). See the required-documents checklist on this page for details on each.

Unincorporated La Paz County requires 2 inspection(s) for a solar installation permit, in order: Rough Electrical, 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

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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Other permits in Unincorporated La Paz County

Residential Building Permit (New Construction, Addition, Accessory Structure)Commercial Building Permit (New Construction, Tenant Improvement, Shell Building)Manufactured Home / Park Model / Factory-Built Building Placement PermitMechanical / Plumbing / Electrical PermitSwimming Pool / Spa / Jacuzzi PermitGrading PermitDemolition PermitEV Charger / EVSE PermitSign PermitFire Sprinkler / Fire Alarm System Permit

Solar Installation Permit in other cities

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