Duncan building permits

Requirements

• Building permit required for construction, alteration, repair, moving, or demolition of a structure within Duncan town limits, per Town Code Chapter 7
• Work must conform to the Building, Plumbing, Gas, and Electrical Codes of the Town of Duncan as referenced on the permit application
• Application must state size, wall/roof/floor materials, use, approximate cost, location/APN, owner, and contractor
• Whenever a building permit is issued, the building must also conform to the Town's Zoning Ordinance (Town Code § 7-1-2)
• Contractor Tax License required to be listed if estimated project valuation exceeds $50,000 (per the combined Zoning/Building/Historic District/Floodplain Permit form)
• Approved in person by the Building Official; no online submittal portal is published

Required documents

• RequiredApplication for Building Permit and InspectionTown of Duncan's one-page building permit application — General Description checkboxes for Construction/Alteration/Repair/Moving/Demolition, size, wall/roof/floor materials, use, approximate cost, location/APN, owner, and contractor
• OptionalZoning Use, Building, Historic District and Floodplain PermitCombined multi-track permit form used when zoning use review, historic district review, and/or floodplain review also apply to the same project

Fee schedule

Requirements

• Separate Mobile Home Permit fee line applies (distinct from the standard valuation-based Building Permit fee formula)
• Manufactured/mobile home construction and installation standards themselves are set at the State level (Arizona Department of Fire, Building and Life Safety / Office of Manufactured Housing, per A.R.S. Title 41), consistent with statewide practice; the Town's Mobile Home Permit covers local placement/site approval
• Submitted via the same 'Application for Building Permit and Inspection' form used for general building permits (the form's 'General Description of Proposed Work' does not have a distinct mobile-home checkbox; the Mobile Home Permit is distinguished purely by its separate fee-schedule line item)

Required documents

• RequiredApplication for Building Permit and InspectionSame general-purpose Town of Duncan building permit application used for mobile home placement

Fee schedule

Requirements

• Zoning Use Permit required to confirm a proposed use/structure complies with existing zoning (Town Code Chapter 15, Zoning Regulations)
• A 'Use Permitted on Appeal' (variance) route exists through the Planning & Zoning Commission, with a further Board of Adjustment hearing route for amendments (changed use)
• A Zoning Use Permit becomes void six months after issuance unless substantial utilization has begun
• The permit must be posted on-site during construction
• Property may be subject to erosion hazards and other unmapped floodplains beyond what is shown on FEMA mapping; the floodplain data the Town relies on is the best available, and the owner is responsible for providing additional technical floodplain information

Required documents

• RequiredZoning Use, Building, Historic District and Floodplain PermitTown of Duncan's combined permit form covering Zoning Use Permit, Use Permitted on Appeal (Variance), Amendment (changed use), Building Permit, Septic System Permit, and Floodplain Permit (NFIP) tracks on a single document

Fee schedule

Requirements

• Development Permit required before construction or development begins within any area of special flood hazard (Town Code § 8-1-7.1)
• Application must include plans in duplicate drawn to scale showing the nature, location, and elevation of the area in question; existing/proposed structures; fill; storage of materials; and drainage facilities
• Must show proposed elevation (relative to mean sea level) of the lowest floor (including basement) of all structures; in Zone AO, elevation of existing grade and proposed elevation of lowest habitable floor
• Must show proposed elevation to which any structure will be floodproofed, with certification by a registered professional engineer or architect where floodproofing is used
• Base flood elevation data required for subdivision proposals or other development greater than 50 lots or 5 acres
• Description required of the extent to which any watercourse will be altered or relocated as a result of the proposed development
• The Floodplain Administrator (Town Manager or designee) reviews every permit to confirm ordinance requirements are met, other required state/federal permits have been obtained, the site is reasonably safe from flooding, and the development does not adversely affect (i.e., raise base flood elevation by more than one foot at any point) the floodway's carrying capacity

Required documents

• RequiredZoning Use, Building, Historic District and Floodplain PermitTown of Duncan's combined permit form; Floodplain Permit (NFIP) section requires Date of Approval and confirms whether blueprints are approved
• RequiredDevelopment Permit plan setPlans in duplicate, drawn to scale, per Town Code § 8-1-7.1 requirements (site elevations, structures, fill, drainage, floodproofing certification where applicable)

Fee schedule

Requirements

• Submit a Building Permit application to the Town of Duncan for the solar PV installation — there is no separate electrical or solar-specific permit application
• Per A.R.S. § 9-468, plans must show: the location of the photovoltaic system on construction plans (roof plan and elevation), panel mounting details, and an electrical diagram (one-line or three-line) unless a qualified online automated permitting platform is used to verify code compliance
• For DC-to-AC conversion, include cut sheets and listings for the inverter(s)
• The Town may not require a stamp from a professional engineer for the solar photovoltaic system unless an engineering stamp is deemed necessary
• Per A.R.S. § 9-468, any fee charged must be attributable to and may not exceed the Town's actual cost of issuing the permit; a written, itemized list of costs must be provided at the permittee's request

Required documents

• RequiredApplication for Building Permit & InspectionTown of Duncan's standard building permit application, used for solar PV installations since no separate solar/electrical application exists

Fee schedule

Requirements

• Submit a Building Permit application to the Town of Duncan for the EV charger installation — there is no separate electrical permit application, confirmed across every permitType this file documents for Duncan
• Work must conform to the Building, Plumbing, Gas, and Electrical Codes of the Town of Duncan as referenced on the permit application, including the National Electrical Code (adopted as 'current edition,' Town Code Article 7-3)
• Application must state the scope of work, approximate cost/valuation, location/APN, owner, and contractor, using the General Description checkboxes (Construction/Alteration/Repair/Moving/Demolition)
• Approved in person by the Building Official (Town Manager's office); no online submittal portal is published

Required documents

• RequiredApplication for Building Permit and InspectionTown of Duncan's standard building permit application, used for EV charger installations since no separate electrical application exists

Fee schedule

Requirements

• Parking lot signs: permitted outright, not to exceed six (6) square feet in size, no P&Z/Board of Adjustment approval required (Town Code §§ 15-4-2(I)(1), 15-5-2(K)(1))
• One free-standing sign per business establishment: requires Planning & Zoning Commission recommendation AND Board of Adjustment approval — this is the only Duncan sign type that requires a discretionary approval, and it is processed via the same combined Zoning Use, Building, Historic District and Floodplain Permit form and P&Z/BOA hearing track as the Town's general Zoning Use Permit (Town Code §§ 15-4-2(I)(2), 15-5-2(K)(2))
• One overhanging (projecting) sign per business establishment: permitted outright up to eight (8) square feet, no separate approval stated (Town Code §§ 15-4-2(I)(3), 15-5-2(K)(3))
• Signs painted on or attached flat to the building: unrestricted, no approval required (Town Code §§ 15-4-2(I)(4), 15-5-2(K)(3, unnumbered continuation))
• Brightly lighted, flashing signs and non-accessory signs/billboards are prohibited outright in the Commercial and Industrial zones (Town Code §§ 15-4-2(I)(5-6), 15-5-2(K))
• Political/campaign signs limited to 4' x 6', displayed only with property owner permission, and must be removed within 30 days of the election or removal costs are billed to the candidate (Town Code Chapter 15 definitions, 'Political/Campaign Sign')
• Event signs (yard sales, weddings, parties, etc.) limited to 2' x 3', displayed only with property owner permission, and must be removed within 3 days of the event (Town Code Chapter 15 definitions, 'Event Sign')
• No sign of any kind may be placed on private or public property without the owner's approval, and no sign may obstruct the view of traffic (Town Code Chapter 15 definitions, 'Sign')

Required documents

• OptionalZoning Use, Building, Historic District and Floodplain PermitSame combined permit form used for the Town's general Zoning Use Permit — used only for the one sign type that requires discretionary approval (a free-standing sign), via its Zoning Use Permit / P&Z Commission and Board of Adjustment tracks. No sign-specific application form is published.

Fee schedule

Requirements

• Permits required for building fire life safety features, fire hydrant systems, fire sprinkler systems, fire alarm systems, and commercial hood systems (Duncan Valley Rural Fire District, Permits & Plan Review page)
• Plans/specifications for new commercial construction, remodeling, alterations, or Operational Permits must be submitted to DVRFD for review and approval prior to any construction or operation, and must comply with the 2018 I.F.C. plus DVRFD code amendments
• Submittal must include a copy of the Town of Duncan Building Permit
• Submittal must include one copy of architectural drawings (site plan, civils, structural, mechanical, and electrical)
• Fire protection system plans require Engineering or N.I.C.E.T. approval
• Water supply and fire-flow requirements for the building and fire protection systems must be documented
• An 8.5" x 11" fire escape plan is required showing occupant load, use of each room, and exit routes for occupant loads over 50
• Submittal must show the location of the main fire alarm control panel, fire sprinkler riser room, Fire Department Connection (F.D.C.), and Knox lock box

Required documents

• RequiredFire Protection Systems Plan SetArchitectural drawings (site plan, civils, structural, mechanical, electrical) plus fire-protection-system-specific plans (sprinkler/alarm/hydrant/hood as applicable) bearing Engineering or N.I.C.E.T. approval; no standardized fire-district application form is published on DVRFD's website
• RequiredCopy of Town of Duncan Building PermitDVRFD requires a copy of the Town's own Building Permit as part of its submittal package, confirming the two review tracks (Town building permit and fire-district plan review) run in parallel for the same project

Fee schedule

Requirements

• No Certificate of Occupancy is issued by the Town of Duncan for any use — confirmed absent from Town Code Chapter 7 (Building, Rev. 6/06), the Building Permits & Fees page, the Application for Building Permit and Inspection form, and the combined Zoning Use/Building/Historic District/Floodplain Permit form
• A change of use is processed via the 'Amendment (changed use)' line on the combined Zoning Use, Building, Historic District and Floodplain Permit form, which routes to a Board of Adjustment hearing (per Town Council, per the form's own labeling) — the identical track documented in this file's zoning-use-permit entry
• In the Public Zone specifically, a 'change of use variance' after the code's effective date triggers off-street parking at 3 spaces per 1,000 sq ft of floor space (1 space per 5 seats for churches) and, for buildings of 2,000 sq ft or more receiving/distributing merchandise by vehicle, at least one off-street loading space of 10' x 25' x 14' (Town Code § 15-7-3(D)-(E))
• As with any Zoning Use Permit action, the resulting permit becomes void six months after issuance unless substantial utilization has begun, and must be posted on-site during construction

Required documents

• RequiredZoning Use, Building, Historic District and Floodplain PermitSame combined form documented in this file's zoning-use-permit entry; a change of use is checked/processed on its 'Amendment (changed use)' line rather than on a separate change-of-use or certificate-of-occupancy form

Fee schedule