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Residential Building Permit (New Construction, Addition, Accessory Structure) in Unincorporated La Paz County, Arizona

Required for new single-family dwellings, residential additions, garages/workshops, and other residential construction in the unincorporated areas of La Paz County. The La Paz County Community Development Department (Building and Safety Division) administers the 2018 IRC/IBC for unincorporated areas outside Parker and Quartzsite. Fees are valuation-based per Table M-1 of the county's fee schedule.

Verified 2026-07-07 · Source

When you need this permit

  • Required for new single-family dwellings, additions, and structural alterations in unincorporated La Paz County exceeding $1,000 in value (A.R.S. §11-321)
  • Apply online through the County's iworq Citizen Portal (https://lapazcountyapplypermit.portal.iworq.net/portalhome/lapazcountyapplypermit) or submit in person/by mail at 1112 Joshua Ave., Ste. 202, Parker, AZ 85344
  • Know your Assessor's Parcel Number (APN) before applying — search at http://publicrecords.lapazassessor.com/assessor/web/ (County staff cannot look this up for applicants)
  • Submit a site plan (title block, scale, north indicator, location map, property lines, structure locations/dimensions, setbacks to septic/wells) and complete building plans
  • Must use an Arizona-licensed contractor (A.R.S. §32-1151), unless qualifying for the owner-builder exemption (A.R.S. §32-1121.A.5) for an owner-occupied, non-rental structure Owner-builderContractor
  • Permits are void 180 days after submittal if incomplete (extensions available: 1st free, 2nd $40, 3rd+ $60); issued permits expire if work does not commence within 180 days (same extension fee structure)

Required documents

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Fee schedule

Building permit fee — valuation-based (Table M-1)Resolution No. 2025-05, Exhibit A/B (Table M-1), implemented August 6, 2025, mirrored in Building Code Ordinance No. 2024-02 Section 103(M) Table M-1. Valuation based on ICC Building Valuation Data published Feb. 28, 2025, updated annually without further Board action.
$1–$500: $50.00; $501–$2,000: $50.00 for first $500 plus $4.00 per additional $100 (or fraction) to $2,000; $2,001–$25,000: $110.00 for first $2,000 plus $16.00 per additional $1,000 (or fraction) to $25,000; $25,001–$50,000: $478.00 for first $25,000 plus $12.00 per additional $1,000 to $50,000; $50,001–$100,000: $780.00 for first $50,000 plus $8.00 per additional $1,000 to $100,000; $100,001–$500,000: $1,180.00 for first $100,000 plus $6.00 per additional $1,000 to $500,000; $500,001–$1,000,000: $3,580.00 for first $500,000 plus $6.00 per additional $1,000 to $1,000,000; $1,000,001+: $6,580.00 for first $1,000,000 plus $4.00 per additional $1,000
Plan review feeOrdinance No. 2024-02, Section 104(C); Fee Schedule Exhibit D. Paid at time of submittal.
65% of the calculated building permit fee
Utilities (mechanical/plumbing/electrical) — per trade, if not folded into new construction sq.-ft. feeFee Schedule Exhibit D, 'Utilities' table.
Up to $5,000 valuation: $50.00 flat per trade; $5,001+: building permit fee per Table M-1
Investigation fee (work started without a permit)Ordinance No. 2024-02, Section 104(G).
Equal to the permit fee (total due = double the permit fee); $100 minimum
Reinspection feeFee Schedule (2025), Exhibit D 'Inspection Fees' table.
$60.00 per inspection

Review timeline

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

How long did your Residential Building Permit (New Construction, Addition, Accessory Structure) 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

    Footing/Foundation

    Before concrete pour — verify footing depth, dimensions, and reinforcement per 2018 IRC/IBC

  2. 2

    Framing

    After framing, sheathing, and rough-in trades complete — before insulation or wall cover

  3. 3

    Final

    All work complete per approved plans; schedule via the iworq Citizen Portal or call 928-669-6138

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

Tips

  • Apply through the County's iworq Citizen Portal (https://lapazcountyapplypermit.portal.iworq.net/portalhome/lapazcountyapplypermit) — you can also search for and track an existing permit's status there.
  • Know your Assessor's Parcel Number (APN) before starting an application; County staff will not search it for you. Look it up at http://publicrecords.lapazassessor.com/assessor/web/.
  • An unlicensed contractor cannot pull a permit for you — verify any contractor's Arizona license at the Registrar of Contractors (https://roc.az.gov/search/node/roc%20contractorsearch) before hiring. Contractor
  • Permits expire 6 months (180 days) after issuance if work has not started; request an extension in writing/electronically before that deadline to avoid starting over.
  • The county's Administrative Completeness review (up to ~40 working days) and Substantive Review (up to 105 working days, extendable to 165 for complex technical projects) run under A.R.S. §11-1605 — see the County's published 'Permit Review Timelines' sheet for the full multi-round schedule.

Frequently asked questions

Yes. Per A.R.S. §11-321, any building construction or addition valued over $1,000 requires a permit from the La Paz County Community Development Department (Building and Safety Division). Apply online at https://lapazcountyapplypermit.portal.iworq.net/portalhome/lapazcountyapplypermit. Source: https://www.lapaz.gov/589/BUILDING-SAFETY-PERMITS

In Unincorporated La Paz County, the published Building permit fee — valuation-based (Table M-1) is: $1–$500: $50.00; $501–$2,000: $50.00 for first $500 plus $4.00 per additional $100 (or fraction) to $2,000; $2,001–$25,000: $110.00 for first $2,000 plus $16.00 per additional $1,000 (or fraction) to $25,000; $25,001–$50,000: $478.00 for first $25,000 plus $12.00 per additional $1,000 to $50,000; $50,001–$100,000: $780.00 for first $50,000 plus $8.00 per additional $1,000 to $100,000; $100,001–$500,000: $1,180.00 for first $100,000 plus $6.00 per additional $1,000 to $500,000; $500,001–$1,000,000: $3,580.00 for first $500,000 plus $6.00 per additional $1,000 to $1,000,000; $1,000,001+: $6,580.00 for first $1,000,000 plus $4.00 per additional $1,000. Additional published fees: Plan review fee — 65% of the calculated building permit fee; Utilities (mechanical/plumbing/electrical) — per trade, if not folded into new construction sq.-ft. fee — Up to $5,000 valuation: $50.00 flat per trade; $5,001+: building permit fee per Table M-1; Investigation fee (work started without a permit) — Equal to the permit fee (total due = double the permit fee); $100 minimum; Reinspection fee — $60.00 per inspection. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

The County publishes two review phases under A.R.S. §11-1605: an Administrative Completeness review (three rounds of up to 15 working days of county review each, with applicant response windows, totaling up to roughly 40 working days) followed by a Substantive Review (up to 105 working days total, extendable to 165 working days for technically complex projects). Source: La Paz County Community Development Department, 'Permit Review Timelines,' effective October 1, 2024 (https://www.lapaz.gov/DocumentCenter/View/9418).

You'll need: Site Plan; Building Plans. Depending on your project, Unincorporated La Paz County may also ask for: Special Power of Attorney (Agent or Lessee). See the required-documents checklist on this page for details on each.

Unincorporated La Paz County requires 3 inspection(s) for a residential building permit (new construction, addition, accessory structure), in order: Footing/Foundation, Framing, 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 2026-07-07.

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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