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Commercial Tenant Improvement (TI) Permit in Oro Valley, Arizona

Required for interior (and sometimes limited exterior) improvements to an existing commercial building in Oro Valley — the Town's standard path to a Certificate of Occupancy for a new or changing commercial tenant. This is a genuinely distinct permit type from the general Commercial Building Permit in Oro Valley: the Town's Commercial Permits page publishes a dedicated 'Tenant Improvements' tab with its own submittal checklist (tenant square footage, current/demolition/proposed floor plans, occupant-load analysis specific to the tenant space) and a three-tier Class I / Class II / Class III review-classification system with its own maximum review timelines, distinct from the flat 20-business-day track used for new commercial construction. Reviewed for compliance with the Town's currently adopted IBC and NEC. A narrower 'Investigative Inspection Permit' (not itself covered by this entry) is available instead of a full TI permit only for no-construction scenarios such as a straight change of ownership or purely cosmetic changes (paint/carpet) into a space with a similar prior use.

Verified 2026-08-01 · Source

When you need this permit

  • Permit required for changes, alterations, upgrades, and repairs to the interior of an existing commercial building (and limited exterior changes), reviewed against the Town's currently adopted IBC and NEC
  • Recommended the applicant verify the proposed use is allowed in the specific zoning district before submitting; an office-only district may not allow retail uses, and a noise impact study (Oro Valley Zoning Code Section 25.1.A.3) may be required for uses that could generate noise beyond the site boundary
  • Plans must be designed by an Arizona Registrant (signed, dated, and sealed) with associated calculations and manuals; drawing scale must be no less than 1/4" scale with twelve-point font
  • If TI plans include exterior changes to the building, an additional architecture review may be required
  • Plan review timeline is classified by scope into three tiers at intake by Town Permit Technicians (verified by the plans examiner upon receiving the plans, with the applicant notified of the classification selected): Class I — no structural modifications, minimal mechanical/plumbing/electrical revisions, occupant load under 50, Business or Mercantile occupancy only, no fire-separation issues, no changes to occupancy/building area or to fire alarm/sprinkler plans (10 business-day maximum review for 1st/2nd submittals); Class II — minor structural modifications (e.g. added roof loads, door/window opening changes, no building additions), minor mechanical/plumbing/electrical revisions, no Assembly/Education/Institutional occupancies unless already existing, no fire-separation issues, only minor fire sprinkler/alarm changes (10 business-day maximum review); Class III — structural modifications, comprehensive multi-discipline review, fire-separation issues, changes in occupancy/building area, an A/E/I occupancy, additions to the fire sprinkler or alarm system, or the first time the space is occupied (20 business-day maximum review)
  • Deferred submittals (fire sprinkler, fire alarm, hood systems, etc.) should be submitted as soon as possible to prevent delays
  • Kitchen hoods, where applicable, require identification of hood type (Type 1 or 2) and 3 complete sets of proposed Fire Suppression System drawings meeting IBC/IMC/IFC requirements
  • Pima County sewer connection fees are required for any new water meters, or for upsizing an existing water meter due to the addition of fixtures
  • Submitted online via the Town's Customer Portal (SmartGov Community), selecting the Commercial Permit category and the Tenant Improvement permit type

Required documents

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Fee schedule

Tenant Improvement — Building and Fire Permit Fee, Based on ValuationThe Commercial Permits page's Tenant Improvements tab does not publish a separate flat fee: it states only 'Valuation of project cost breakdown provided to the Building Official for review and approval' and 'Payment of all permit fees - staff will contact you when the fees have been determined,' matching the same mechanism used for new commercial construction. No distinct Tenant Improvement fee line was found in the Town of Oro Valley Construction Permit Fee and Valuation Schedule (re-confirmed via an August 9, 2025 Wayback capture) — plan review fee is 65% of the calculated permit fee, and mechanical/plumbing/electrical work bundled into the permit is billed at 10% each of the building permit fee.
Same valuation-based Building/Fire Permit fee table as new commercial construction (see Commercial Building Permit entry for the full table)

Review timeline

Plan reviewOro Valley’s published plan-review target
10–20 business days

How long did your Commercial Tenant Improvement (TI) Permit permit actually take in Oro Valley?

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

Inspection process

  1. 1

    Zoning Inspection

    Verifies exterior colors/materials (if exterior changes were part of the TI), outdoor lighting compliance, and screening of any new mechanical equipment

  2. 2

    Fire Inspection (Golder Ranch Fire District)

    Scheduled online at grfdaz.gov; verifies fire sprinkler/alarm/hood work per approved plans and that a Knox-box key has been provided

  3. 3

    Certificate of Occupancy / Permit Close-Out

    Requires a valid Town business license, Golder Ranch Fire District final inspection report, a Chlorination Report if potable water lines were modified/newly installed, an Air Balance Report if 2+ HVAC systems were modified/newly installed, and a Pima County Health Department Certificate for restaurants/food service; C of O's are generally issued within 24 hours of receiving all required approvals and documents

See the full Oro Valley inspection guide — scheduling & re-inspection fees →

Tips

  • This is a genuinely distinct permit process from new commercial construction in Oro Valley, not a folded-in checkbox: the Town's Commercial Permits page gives Tenant Improvements its own tab, its own submittal checklist emphasizing the tenant space specifically (current/demolition/proposed layout, tenant square footage, occupancy classification of the tenant space separate from the building), and its own three-tier Class I/II/III review-classification system — none of which exists for the general Commercial Building Permit, which instead has one flat 20-business-day review track regardless of scope.
  • 'Goal Review days reflect the maximum review time allowed for 1st and 2nd submittals. 3rd and subsequent review times are less and may vary based on the scope of changes made to the plan set,' per the Town's own Tenant Improvements tab — quoted verbatim.
  • The Town's own examples of qualifying Class I projects: 'retail shops that add only a customer service counter with cash register and display racks' or an 'exercise facility that adds only customer service counter, needs no additional toilet room(s).' Class II examples add 'interior partition walls or modular office spaces that do not require additions to the fire sprinklers or alarm systems.'
  • The Town's separately published Development and Permit Review Timeframes document (SB 1598 / A.R.S. Section 9-835 compliance document, already cited elsewhere in this dataset) also lists 'Commercial Building' and 'Tenant Improvement' — with Class 1/2/3 sub-types — as distinct workflow categories under its Building category, corroborating that Tenant Improvement is tracked as a separate workflow from Commercial Building. That document's multi-submittal 'overall review time' figures are a different metric (they roll in completeness review and resubmittal rounds) than the single-submittal 'business day' maximums quoted directly on the Commercial Permits page, which is used as this entry's primary verified timeline rather than attempting to reconcile the two.
  • A narrower, cheaper 'Investigative Inspection Permit' path exists for commercial spaces where NO construction requiring a permit is being performed (e.g., a straight change of ownership, or purely cosmetic paint/carpet changes into a space with a similar prior use) — that permit type is not itself detailed in this dataset entry, but its existence is why a Tenant Improvement permit is described by the Town as usually, not always, the route to a Certificate of Occupancy.
  • Permit Technicians make the initial Class I/II/III determination and the plans examiner verifies it upon receiving the plans; the applicant is notified of the final classification selected.

Frequently asked questions

Oro Valley requires a commercial tenant improvement (ti) permit for: Permit required for changes, alterations, upgrades, and repairs to the interior of an existing commercial building (and limited exterior changes), reviewed against the Town's currently adopted IBC and NEC; Recommended the applicant verify the proposed use is allowed in the specific zoning district before submitting; an office-only district may not allow retail uses, and a noise impact study (Oro Valley Zoning Code Section 25.1.A.3) may be required for uses that could generate noise beyond the site boundary; Plans must be designed by an Arizona Registrant (signed, dated, and sealed) with associated calculations and manuals; drawing scale must be no less than 1/4" scale with twelve-point font; If TI plans include exterior changes to the building, an additional architecture review may be required; Plan review timeline is classified by scope into three tiers at intake by Town Permit Technicians (verified by the plans examiner upon receiving the plans, with the applicant notified of the classification selected): Class I — no structural modifications, minimal mechanical/plumbing/electrical revisions, occupant load under 50, Business or Mercantile occupancy only, no fire-separation issues, no changes to occupancy/building area or to fire alarm/sprinkler plans (10 business-day maximum review for 1st/2nd submittals); Class II — minor structural modifications (e.g. added roof loads, door/window opening changes, no building additions), minor mechanical/plumbing/electrical revisions, no Assembly/Education/Institutional occupancies unless already existing, no fire-separation issues, only minor fire sprinkler/alarm changes (10 business-day maximum review); Class III — structural modifications, comprehensive multi-discipline review, fire-separation issues, changes in occupancy/building area, an A/E/I occupancy, additions to the fire sprinkler or alarm system, or the first time the space is occupied (20 business-day maximum review); Deferred submittals (fire sprinkler, fire alarm, hood systems, etc.) should be submitted as soon as possible to prevent delays; Kitchen hoods, where applicable, require identification of hood type (Type 1 or 2) and 3 complete sets of proposed Fire Suppression System drawings meeting IBC/IMC/IFC requirements; Pima County sewer connection fees are required for any new water meters, or for upsizing an existing water meter due to the addition of fixtures; Submitted online via the Town's Customer Portal (SmartGov Community), selecting the Commercial Permit category and the Tenant Improvement permit type. If your project isn't listed, confirm with Town of Oro Valley Community and Economic Development Department — Permitting Division at 520-229-4800 before starting work.

In Oro Valley, the published Tenant Improvement — Building and Fire Permit Fee, Based on Valuation is: Same valuation-based Building/Fire Permit fee table as new commercial construction (see Commercial Building Permit entry for the full table). These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

It depends on the scope-based classification: Class I and Class II tenant improvements have a 10-business-day maximum review time for the 1st and 2nd submittals; Class III (structural modifications, occupancy/area changes, fire-separation issues, or first-time occupancy of the space) has a 20-business-day maximum, per the Town of Oro Valley Commercial Permits page.

You'll need: Building Permit Application (Customer Portal); Construction Documents (TI cover sheet, site plan, current/demolition/proposed floor plans, section views, framing plan, electrical/plumbing/mechanical plans); Fire Department Plan Components; Valuation of Project Cost Breakdown. Depending on your project, Oro Valley may also ask for: Kitchen Hood Fire Suppression Shop Drawings. See the required-documents checklist on this page for details on each.

Oro Valley requires 3 inspection(s) for a commercial tenant improvement (ti) permit, in order: Zoning Inspection, Fire Inspection (Golder Ranch Fire District), Certificate of Occupancy / Permit Close-Out. Schedule each through Town of Oro Valley Community and Economic Development Department — Permitting Division (520-229-4800).

Apply through Town of Oro Valley Community and Economic Development Department — Permitting Division at 11000 N. La Cañada Drive, Oro Valley, AZ 85737. Phone: 520-229-4800, email: permits@orovalleyaz.gov. Office hours: Plans are submitted electronically through the Town's Customer Portal (SmartGov Community, twn-orovalley-az.smartgovcommunity.com). Over-the-counter review is available Thursday mornings, 8:00-10:30 a.m., for simple like-for-like reviews (HVAC replacement, window/door replacement, or a single-family home built from a previously-approved model on a mass-graded lot); reviewed first-come/first-served, one submittal per customer, up to 8 reviews available, limited to projects completable in about 15 minutes. Director: Paul Melcher (520-229-4847, pmelcher@orovalleyaz.gov). Building Official: Larry Merrell (520-229-4805, lmerrell@orovalleyaz.gov).. Official information: https://www.orovalleyaz.gov/Government/Departments/Community-and-Economic-Development/Services/Apply-for-a-Building-Permit.

Oro Valley, 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 Oro Valley independently adopts and administers its own construction codes through its Community and Economic Development Department / Permitting Division and does not defer to Pima County for permitting within Town limits. Source: Town of Oro Valley Apply for a Building Permit / Residential Permits pages.; As of the last direct Town publication of its 'Building Codes and Amendments' page (archived March 2025), the Town's codified adopted set was: 2018 International Building Code (IBC), 2018 International Energy Conservation Code (IECC), 2018 International Fire Code (IFC), 2018 International Fuel Gas Code (IFGC), 2018 International Mechanical Code (IMC), 2018 International Plumbing Code (IPC), 2018 International Property Maintenance Code (IPMC), 2018 International Residential Code (IRC), 2018 International Swimming Pool and Spa Code (ISPSC) amendments, 2017 National Electrical Code (NEC), and ICC A117.1-2009/2010 ADA standards for accessible design — all adopted December 5, 2018, effective January 4, 2019. This is also the code set reflected on the Town's Residential Permits and Commercial Permits pages as archived March 2025. Source: Town of Oro Valley 'Building Codes and Amendments' page, 2018 Codes and Amendments section (live, confirmed 2026-07-16 — this section is retained on the page for grandfathered permits alongside the post-adoption 2024 set; see next note) and Town of Oro Valley Residential/Commercial Permits pages (live, confirmed 2026-07-16).; CODE-CYCLE UPDATE, NOW CONFIRMED LIVE (2026-07-16): the Oro Valley Town Council voted unanimously on September 3, 2025 to adopt a set of nine 2024 International Codes (2024 IBC, IRC, IEBC — for the first time — IFC, IFGC, IMC, IPC, IPMC, and ISPSC) plus the 2023 National Electrical Code, effective January 1, 2026, while explicitly declining to adopt the 2024 International Energy Conservation Code and retaining the 2018 IECC. This was previously corroborated only by two secondary sources; the Town's own 'Building Codes and Amendments' page is now directly confirmed live and states verbatim: 'The Town of Oro Valley adopted the 2024 International Building Codes and the 2023 National Electric Code with local amendments on September 3, 2025, with an effective date of January 1, 2026 (Exception: 2018 IECC)' and lists a 'BUILDING CODE TRANSITION POLICY AND FAQs' section (grandfathering permits submitted before January 1, 2026 under the 2018 codes, per Ordinances 25-05 and 25-06) plus a '2024 Codes and Amendments' section itemizing all nine 2024 codes and the 2023 NEC with their own local-amendment PDFs. Because today's date (2026-07-16) is after the January 1, 2026 effective date, the 2024 code set (2018 IECC excepted) is now the Town's live-effective standard for new applications, subject to the transition policy's grandfathering rules for permits submitted earlier. Note: the earlier count of 'ten' 2024 codes (from the secondary sources) was one too many — the live primary source lists nine 2024-dated codes plus the 2023 NEC. Source: Town of Oro Valley 'Building Codes and Amendments' page, 'BUILDING CODE TRANSITION POLICY AND FAQs' and '2024 Codes and Amendments' sections (live, confirmed 2026-07-16); Citizen Portal AI news summary of the September 3, 2025 Oro Valley Town Council meeting; LOVE (Let Oro Valley Excel) community newsletter post, 'Town of Oro Valley Adopts Updated Building Codes,' published September 10, 2025.; Golder Ranch Fire District (GRFD), which provides fire protection for Oro Valley, has adopted the 2024 International Fire Code, and the Town's own fire-code amendments are aligned with GRFD's. Oro Valley has required automatic fire sprinklers in all commercial buildings for more than 20 years, independent of this code cycle change. Source: LOVE (Let Oro Valley Excel), September 10, 2025 post, citing Town/Fire District staff statements.; Manufactured homes, mobile homes, and factory-built buildings are regulated directly by the State of Arizona (A.R.S. § 41-4001 et seq., Arizona Department of Fire, Building and Life Safety / Office of Manufactured Housing) for construction/installation standards; the Town issues a separate permit for on-site placement, foundation/tie-down, and zoning compliance. Source: standard Arizona statutory framework referenced across Arizona home-rule jurisdictions (consistent with the pattern documented for other Arizona municipalities in this dataset).. Local amendments apply — see the Oro Valley overview page for the full list.

Scope of work. Class I requires no structural modifications, only minimal MEP revisions, an occupant load under 50, and a Business or Mercantile occupancy. Class II allows minor structural and MEP modifications but still excludes Assembly/Education/Institutional occupancies (unless already existing) and major fire sprinkler/alarm changes. Class III applies to structural modifications, occupancy or building-area changes, fire-separation issues, A/E/I occupancies, fire sprinkler/alarm system additions, or the first-ever occupancy of the space.

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