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Building Permit (New Construction, incl. Single-Family Residence, ADU, Garage/Carport, Room Addition, Manufactured Home) in Dewey-Humboldt, Arizona

Dewey-Humboldt does not split new residential construction into narrowly separate permit types the way some larger cities do — a single Building Permit Application covers new single-family residences, accessory dwelling units, garages, carports, decks, patio covers, room additions, remodels, cell towers, swimming pools, and retaining walls, reviewed against the 2018 IBC/IRC and Town amendments. A separate, similarly-formatted Manufactured Home Permit application applies specifically to manufactured/mobile home placement.

Verified 2026-07-06 · Source

When you need this permit

  • Building permit required for new single-family residence, ADU, garage, carport, deck, patio cover, room addition, remodel, cell tower, swimming pool, or retaining wall construction within Town limits
  • MUST have an approved septic permit from Yavapai County BEFORE submitting building plans to the Town — the Town cannot begin plan review until the septic system location and size are known
  • Plans must comply with the 2018 IRC/IBC and Town amendments, including the Table R301.2(1) Climatic and Geographic Design Criteria (115 mph wind, Exposure C; Seismic Design Category C; 30 psf roof snow load; 18-inch frost depth; moderate-to-heavy termite potential)
  • For projects not exempt under A.R.S. § 32-1121, the contractor must hold a current, valid Arizona ROC license (verify at roc.az.gov/licensing); Owner-Builder projects must certify compliance with A.R.S. § 32-1121(A)(5) (sole owner occupancy, not for sale/rent within 1 year) or § 32-1121(A)(6) (Owner-Developer contracting with a licensed General Contractor) Owner-builderContractor
  • Submittal checklist (varies slightly by scope) includes: signed Building Permit Application, 2 sets of full construction plans, 2 AZ-stamped truss calculations (where applicable), 1 Plot Plan (8.5"x11"), 2 Site Plans (18"x24" minimum), Affidavit of Site Soil / Soils Report, Directions to Site, Residential Outdoor Lighting compliance, and a deposit/one-time fee
  • Permit becomes invalid 2 years after issuance; work must commence within 180 days and inspections must occur at least every 180 days or the permit becomes null and void (one 180-day extension available at Building Official's discretion)

Required documents

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Fee schedule

Building Permit FeeDewey-Humboldt Code of Ordinances, Appendix A: Valuation and Fee Schedules; the exact current dollar figures live in Yavapai County's own Building Safety valuation table, which the Town's live site returned an HTTP 403 on direct fetch and has no confirmed Wayback Machine snapshot as of this verification — contact the Town at 928-632-7362 with project valuation details for a probable fee quote, per the Town's own FAQ guidance
Per Yavapai County Valuation and Fee Schedule (pass-through fee, based on project valuation/square footage), PLUS a Town Building Permit Administration fee of 42% of the calculated building permit fee
Single-Family Residential Building Plan Review FeeDewey-Humboldt Code of Ordinances, Appendix A: Valuation and Fee Schedules
Per Yavapai County Valuation and Fee Schedule (pass-through fee), PLUS a Town Building Plan Review Administration fee of 42% of the calculated plan review fee
All Other (non-single-family) Building Plan Review FeeDewey-Humboldt Code of Ordinances, Appendix A: Valuation and Fee Schedules
Actual cost of professional services and materials, PLUS 42% Town administration fee on the plan review fee

Review timeline

Plan reviewDewey-Humboldt’s published plan-review target
5–10 business days

How long did your Building Permit (New Construction, incl. Single-Family Residence, ADU, Garage/Carport, Room Addition, Manufactured Home) permit actually take in Dewey-Humboldt?

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

Inspection process

  1. 1

    Foundation/Footing

    Before concrete pour; verifies footing reinforcement per § 150.03 amendment to IRC R403.1

  2. 2

    Framing

    Structural framing, connections, egress per 2018 IRC and Town Design Criteria

  3. 3

    Final

    All work complete per approved plans; 24-hour notice required to schedule; field plans and inspection card must be present on-site

See the full Dewey-Humboldt inspection guide — scheduling & re-inspection fees →

Tips

  • The Town's own FAQ states plainly: 'Permits are typically approved in one to two weeks' (5-10 business days), though it notes exceptions can occur — this is the Town's own published review-timeframe statement (dhaz.gov/FAQ.aspx), not a formal A.R.S. § 9-835 timeframe-guideline document (the Town does not appear to publish one of those in the Buckeye/Cottonwood style).
  • The single biggest hidden-timeline risk is the Yavapai County septic permit prerequisite — the Town cannot start its own plan review clock until an approved county septic permit is in hand, and the Town's FAQ warns this county-side step alone can take 4-6 weeks during peak season, on top of the Town's own 1-2 week review.
  • Fees are a Yavapai County pass-through plus a flat 42% Town administration surcharge on both the permit fee and the plan review fee — get a project valuation estimate from the Building Official (928-632-7362) before budgeting, since the underlying county valuation table was not independently re-verifiable live at time of writing.
  • Manufactured Home Permits use a nearly identical application/checklist to the Residential Building Permit but substitute '2 sets of plans and footings approved by State of AZ Manufactured Housing' for the truss-calculation requirement.

Frequently asked questions

Dewey-Humboldt requires a building permit (new construction, incl. single-family residence, adu, garage/carport, room addition, manufactured home) for: Building permit required for new single-family residence, ADU, garage, carport, deck, patio cover, room addition, remodel, cell tower, swimming pool, or retaining wall construction within Town limits; MUST have an approved septic permit from Yavapai County BEFORE submitting building plans to the Town — the Town cannot begin plan review until the septic system location and size are known; Plans must comply with the 2018 IRC/IBC and Town amendments, including the Table R301.2(1) Climatic and Geographic Design Criteria (115 mph wind, Exposure C; Seismic Design Category C; 30 psf roof snow load; 18-inch frost depth; moderate-to-heavy termite potential); For projects not exempt under A.R.S. § 32-1121, the contractor must hold a current, valid Arizona ROC license (verify at roc.az.gov/licensing); Owner-Builder projects must certify compliance with A.R.S. § 32-1121(A)(5) (sole owner occupancy, not for sale/rent within 1 year) or § 32-1121(A)(6) (Owner-Developer contracting with a licensed General Contractor); Submittal checklist (varies slightly by scope) includes: signed Building Permit Application, 2 sets of full construction plans, 2 AZ-stamped truss calculations (where applicable), 1 Plot Plan (8.5"x11"), 2 Site Plans (18"x24" minimum), Affidavit of Site Soil / Soils Report, Directions to Site, Residential Outdoor Lighting compliance, and a deposit/one-time fee; Permit becomes invalid 2 years after issuance; work must commence within 180 days and inspections must occur at least every 180 days or the permit becomes null and void (one 180-day extension available at Building Official's discretion). If your project isn't listed, confirm with Town of Dewey-Humboldt Community Development Department — Building Safety Division at 928-632-7362 before starting work.

In Dewey-Humboldt, the published Building Permit Fee is: Per Yavapai County Valuation and Fee Schedule (pass-through fee, based on project valuation/square footage), PLUS a Town Building Permit Administration fee of 42% of the calculated building permit fee. Additional published fees: Single-Family Residential Building Plan Review Fee — Per Yavapai County Valuation and Fee Schedule (pass-through fee), PLUS a Town Building Plan Review Administration fee of 42% of the calculated plan review fee; All Other (non-single-family) Building Plan Review Fee — Actual cost of professional services and materials, PLUS 42% Town administration fee on the plan review fee. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Per the Town's own FAQ, permits are typically approved in one to two weeks (5-10 business days), with exceptions possible. Call 928-632-7362 to check status. Note this excludes the separate Yavapai County septic-permit prerequisite, which must be approved before the Town begins reviewing building plans and can itself take 4-6 weeks during peak season.

You'll need: Building Permit Application; Plot Plan Sketch and Affidavit (8.5"x11"); Site Plan (18"x24" minimum); 2 Sets of Full Construction Plans; 2 AZ-Stamped Truss Calculations; Approved Yavapai County Septic Permit; Affidavit of Site Soil / Soils Report. See the required-documents checklist on this page for details on each.

Dewey-Humboldt requires 3 inspection(s) for a building permit (new construction, incl. single-family residence, adu, garage/carport, room addition, manufactured home), in order: Foundation/Footing, Framing, Final. Schedule each through Town of Dewey-Humboldt Community Development Department — Building Safety Division (928-632-7362).

Apply through Town of Dewey-Humboldt Community Development Department — Building Safety Division at 2735 South Highway 69, Suite 12, Humboldt, AZ 86329 (Mailing: P.O. Box 69, Humboldt, AZ 86329). Phone: 928-632-7362, email: MartyJoanou@dhaz.gov (Building Official); riocochran@dhaz.gov (Permit Tech/Administrative Assistant). Office hours: Building Safety is a division of the Community Development Department (fax 928-632-7365). The Town runs its own independent Building Safety Division — it does NOT contract building-permit administration to Yavapai County — with a named Building Official (Marty Joanou) and Permit Tech (Rio Cochran). Applicants are directed to call ahead ('Please call us about your project at 928-632-7362. Our Building Inspector will be happy to discuss your project in advance so that all information needed is included on the appropriate forms.'). The Town's process is paper/PDF-form based (fillable permit packets from the Document Center dropped off or mailed in) — no CloudPermit/EnerGov-type online portal was found. A septic permit approved by Yavapai County (separate agency, on-site wastewater) is required BEFORE the Town will begin reviewing building plans; Yavapai County septic review may add 4-6 weeks during peak season per the Town's own FAQ.. Official information: https://www.dhaz.gov/2203/Building-Permit.

Dewey-Humboldt, Arizona has adopted: Arizona has NO statewide mandatory building code floor for general construction — code adoption is a per-city/county authority under state enabling statutes (e.g., A.R.S. Title 9 for municipalities). The Town of Dewey-Humboldt (incorporated 2004 from the merger of the unincorporated communities of Dewey and Humboldt) runs its own independent Community Development Department / Building Safety Division and independently adopts and administers its own construction codes under Chapter 150 (Building Codes) of the Dewey-Humboldt Code of Ordinances; it does NOT contract the building-permit function to Yavapai County. Source: Town of Dewey-Humboldt Building Safety page (dhaz.gov/2168/Building-Safety, listing named Town staff — Building Official Marty Joanou, Permit Tech Rio Cochran) and Chapter 150 of the Dewey-Humboldt Code of Ordinances (codelibrary.amlegal.com/codes/deweyhumboldt).; 2018 International Building Code (IBC), including Appendixes C, E, G, H, I, and N as published by the International Code Council, adopted by reference in Resolution 21-162 as the Town's Building Code (Dewey-Humboldt Code of Ordinances § 150.02), with Town amendments (Ord. 21-159, passed 4-20-2021). Source: § 150.02 Building Code, Dewey-Humboldt Code of Ordinances (codelibrary.amlegal.com/codes/deweyhumboldt/latest/deweyhum_az/0-0-0-11324).; 2018 International Residential One- and Two-Family Dwelling Code (IRC), including Appendixes A, B, C, D, F, G, H, J, K, M, N, O, P, Q, R, and S, adopted by reference as the Town's one- and two-family dwelling code (§ 150.03), with Town amendments including a Table R301.2(1) Climatic and Geographic Design Criteria insertion. Source: § 150.03 Residential One- and Two-Family Dwelling Code, Dewey-Humboldt Code of Ordinances (codelibrary.amlegal.com/codes/deweyhumboldt/latest/deweyhum_az/0-0-0-11403).; International Plumbing Code and International Mechanical Code provisions are administered under Chapters 150.04 and 150.05 of the Dewey-Humboldt Code of Ordinances; Chapter 12 (Mechanical Administration) and the administrative provisions of Chapters 12 through 24 of the adopted IRC are explicitly superseded by the Dewey-Humboldt Administrative Building Code per the IRC § 150.03 amendments. Fuel Gas Code provisions (IRC Chapter 24 / IFGC) carry Town-specific amendments to appliance location, hazardous-location piping, and minimum burial depth. Source: § 150.03 Residential One- and Two-Family Dwelling Code amendments (Chapter 24 Fuel Gas section), Dewey-Humboldt Code of Ordinances; Chapter 150 table of contents (codelibrary.amlegal.com/codes/deweyhumboldt/latest/deweyhum_az/0-0-0-1366) confirming separate 150.04 Plumbing Code, 150.05 Mechanical Code, and 150.06 Fuel Gas Code sections exist within the adopted structure.; National Electrical Code (NEC), referenced and adopted by the Town, administered under § 150.07 Electrical Code; the IBC § 2701.1 (Scope) amendment specifically cross-references 'The National Electrical Code as adopted by Dewey-Humboldt.' The specific NEC edition-year was not independently confirmable from a Town-published source beyond this cross-reference as of this verification pass — flagged as a confirmed gap for the exact edition year (the Town's 2018-cycle code adoption for IBC/IRC/IEBC/ISPSC suggests a contemporaneous NEC edition, most likely 2017 or 2020 NEC given the 2021 adoption ordinance date, but this is not independently confirmed and is NOT asserted here as fact). Source: § 150.02 Building Code, Chapter 27 Electrical amendment (Section 2701.1), Dewey-Humboldt Code of Ordinances.; 2018 International Existing Building Code (IEBC), including Appendixes A, B, and C, adopted by reference in Resolution 21-162 (§ 150.09), governing repair, alteration, change of occupancy, addition, and relocation of existing buildings including historic buildings. Source: § 150.09 Existing Building Code, Dewey-Humboldt Code of Ordinances (codelibrary.amlegal.com/codes/deweyhumboldt/latest/deweyhum_az/0-0-0-11856).; Dewey-Humboldt Grading Ordinance Code (§ 150.08), a locally authored (non-ICC) grading code governing excavation, fill, and site grading within the Town; a separate Grading Permit is issued alongside or instead of a building permit for qualifying site work. Source: Chapter 150 table of contents, Dewey-Humboldt Code of Ordinances.; 2018 International Swimming Pool and Spa Code (ISPSC), adopted by reference in Resolution 21-162 (§ 150.10), together with A.R.S. § 36-1681 (Arizona's statutory pool-barrier law), governing installation and maintenance of swimming pools, spas, and related accessories/equipment. Source: § 150.10 Swimming Pool and Spa Code, Dewey-Humboldt Code of Ordinances (codelibrary.amlegal.com/codes/deweyhumboldt/latest/deweyhum_az/0-0-0-11873).; International Energy Conservation Code (IECC), 2006 Edition, adopted by reference (§ 150.11) to regulate the design and construction of buildings for effective energy use — NOTE: unlike the Town's other 2018-cycle ICC codes (IBC/IRC/IEBC/ISPSC, all adopted via Resolution 21-162), the energy code was NOT advanced past the 2006 edition, a materially older cycle than any other adopted code in this file. The IRC's own Chapter 11 (Energy Efficiency) is deleted and replaced with a cross-reference to this adopted IECC per the § 150.03 amendments. Source: § 150.11 Energy Conservation Code, Dewey-Humboldt Code of Ordinances (codelibrary.amlegal.com/codes/deweyhumboldt/latest/deweyhum_az/0-0-0-11981).; Arizonans with Disabilities Act (A.R.S. Title 41, Chapter 9, Article 8) and the 2010 ADA Standards for Accessible Design (federal Standards for State and local governments, and for public accommodations/commercial facilities), adopted and cross-referenced at § 150.12 (also cited elsewhere in the code as § 150.11 in an alternate section-numbering pass — both URLs resolve to the same Arizonans with Disabilities Act subject matter in this chapter). Source: § 150.12 Arizonans with Disabilities Act, Dewey-Humboldt Code of Ordinances (codelibrary.amlegal.com/codes/deweyhumboldt/latest/deweyhum_az/0-0-0-12004); IBC § 1101.2 amendment (Dewey-Humboldt Code of Ordinances § 150.02).; Central Arizona Fire and Medical Authority (CAFMA) — NOT the Town itself — enforces fire protection systems and the International Fire Code as separately adopted and amended by the Fire District. IBC Chapter 9 (Fire Protection Systems) and IRC § R313 (Automatic Fire Sprinkler Systems) are both deleted in their entirety by Town ordinance and replaced with a cross-reference requiring compliance with 'Central Arizona Fire and Medical Authority requirements'; the Town's Building Official assists CAFMA with inspection/testing oversight but withholds Town approvals where fire protection systems are not CAFMA-compliant. Source: § 150.02 Building Code (Chapter 9 amendment) and § 150.03 Residential Code (Section R313 amendment), Dewey-Humboldt Code of Ordinances.; Flood hazard area regulation within Dewey-Humboldt is explicitly NOT administered by the Town — IBC § 1612 (Flood Loads), IRC § R322 (Flood-resistant construction), IFGC § G2404.7/301.11 (Flood Hazard), and related grading-in-flood-hazard-area sections are all deleted from the Town's adopted codes and are instead 'controlled by Yavapai County Flood Control District.' Source: § 150.02 Building Code (Chapter 16/18 amendments) and § 150.03 Residential Code (Section R322 and Fuel Gas Chapter 24 amendments), Dewey-Humboldt Code of Ordinances.. Local amendments apply — see the Dewey-Humboldt overview page for the full list.

Dewey-Humboldt runs its own independent Building Safety Division within its Community Development Department, with a named Building Official (Marty Joanou) and Permit Technician (Rio Cochran); it does not contract building-permit administration to Yavapai County. However, the Town's building permit FEES are calculated using Yavapai County's own Valuation and Fee Schedule as a pass-through, with the Town adding a flat 42% administration surcharge — and septic-system permitting is separately and exclusively handled by Yavapai County, a mandatory prerequisite before Town plan review begins.

Sources & verification

Verified against official sources. Last reviewed 2026-07-06.

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 Dewey-Humboldt building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.