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Commercial Tenant Improvement / Tenant Finish Permit in Unincorporated San Juan County, Utah

Required for tenant improvement / tenant finish work inside an existing commercial building in unincorporated San Juan County. The county publishes no distinct tenant-improvement fee tier — TI/remodel work is billed under the same 1.75-times-square-footage combined Plan Review & Building Permit formula applied to the affected square footage, and remains subject to the same statewide requirement that commercial plans be stamped by a Utah Licensed Architect or Engineer and that all work be performed by licensed contractors.

Reviewed 2026-07-19 · Source

When you need this permit

  • Tenant improvement, tenant finish, or remodel work inside an existing commercial building
  • "All commercial Buildings must, by Utah Law, be designed, drawn and stamped by a Utah Licensed Architect or Engineer." — quoted verbatim from the county's Building Permit Checklist; applies to remodel/TI scope as well as new construction
  • "ALL WORK TO BE PERFORMED ON ANY COMMERCIAL PROJECT MUST BE DONE BY LICENSED CONTRACTORS..." — quoted verbatim from the county's Building Permit Checklist Contractor
  • Legal description and San Juan County property tax parcel number
  • Property must be deeded in the applicant's name and recorded in the San Juan County Recorder's Office before permit issuance (or a notarized statement from the legal owner granting permission to build)

Required documents

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Fee schedule

Plan Review & Building Permit (combined)San Juan County Planning & Building Department official webpage (sanjuancountyut.gov/building), 'Fee Structure' section — the county publishes a single combined formula for Plan Review & Building Permit that applies to all construction, with no distinct commercial rate or tier. No reduced TI-specific rate is published; the county's example (2,000 sq ft = $3,500) is the same formula applied to new construction.
1.75 × square footage of the affected/improved space
Inspection FeeSan Juan County Planning & Building Department official webpage (sanjuancountyut.gov/building).
$65.00 per inspection + State mileage rate
Work Done Without Permit (Investigation Fee)San Juan County Planning & Building Department official webpage (sanjuancountyut.gov/building).
2× permit price, plus $150/week if continued beyond a 30-day notice

Review timeline

Plan review
Not published — contact the department

How long did your Commercial Tenant Improvement / Tenant Finish Permit permit actually take in Unincorporated San Juan County?

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

Inspection process

  1. 1

    Rough-In (Framing/Electrical/Plumbing/Mechanical)

    Scope-dependent rough-in inspection before any work is concealed.

  2. 2

    Final Inspection

    Made after the improved space is complete and ready for occupancy; a written Certificate of Occupancy is required before use.

See the full Unincorporated San Juan County inspection guide — scheduling & re-inspection fees →

Tips

  • There is no separate, cheaper permit track for tenant improvement work in San Juan County — it is billed under the identical 1.75×-square-footage combined formula as new commercial construction, applied to the improved square footage.
  • Commercial project owners cannot act as their own contractor in Utah; all TI work must be performed by licensed contractors. Contractor

Frequently asked questions

Unincorporated San Juan County requires a commercial tenant improvement / tenant finish permit for: Tenant improvement, tenant finish, or remodel work inside an existing commercial building; "All commercial Buildings must, by Utah Law, be designed, drawn and stamped by a Utah Licensed Architect or Engineer." — quoted verbatim from the county's Building Permit Checklist; applies to remodel/TI scope as well as new construction; "ALL WORK TO BE PERFORMED ON ANY COMMERCIAL PROJECT MUST BE DONE BY LICENSED CONTRACTORS..." — quoted verbatim from the county's Building Permit Checklist; Legal description and San Juan County property tax parcel number; Property must be deeded in the applicant's name and recorded in the San Juan County Recorder's Office before permit issuance (or a notarized statement from the legal owner granting permission to build). If your project isn't listed, confirm with San Juan County Planning & Building Department at (435) 587-3829 before starting work.

In Unincorporated San Juan County, the published Plan Review & Building Permit (combined) is: 1.75 × square footage of the affected/improved space. Additional published fees: Inspection Fee — $65.00 per inspection + State mileage rate; Work Done Without Permit (Investigation Fee) — 2× permit price, plus $150/week if continued beyond a 30-day notice. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Unincorporated San Juan County does not publish a plan-review timeline for this permit. Contact San Juan County Planning & Building Department at (435) 587-3829 for current turnaround.

You'll need: Building Permit Application; Complete Set of Plans, Stamped by a Utah Licensed Architect or Engineer (where scope requires); Legal Description and County Property Tax Parcel Number; Proof of Property Ownership / Notarized Owner Permission. See the required-documents checklist on this page for details on each.

Unincorporated San Juan County requires 2 inspection(s) for a commercial tenant improvement / tenant finish permit, in order: Rough-In (Framing/Electrical/Plumbing/Mechanical), Final Inspection. Schedule each through San Juan County Planning & Building Department ((435) 587-3829).

Apply through San Juan County Planning & Building Department at 117 South Main Street, P.O. Box 9, Monticello, UT 84535. Phone: (435) 587-3829, email: permits@sanjuancountyut.gov. Office hours: Monday–Friday 8:00 AM – 5:00 PM (San Juan County Administration Building, 117 South Main Street, Monticello — per San Juan County's official Contact Us / Administrative Office pages; the Building Department's own page does not separately publish office hours). Official information: https://sanjuancountyut.gov/building.

Unincorporated San Juan County, Utah has adopted: State of Utah construction codes adopted by reference — San Juan County's official Building Code Information page states verbatim: 'San Juan County has adopted the State of Utah codes as established in Title 15A, Chapters 1-5 of the Utah Code Annotated, as amended.' The county page does not enumerate individual code editions (IBC/IRC/IPC/IMC/IFGC/NEC/IECC) by year, so the current statutory statewide editions are cited directly below.; 2024 International Building Code (IBC) — statewide per Utah Code § 15A-2-103, effective 07/01/2026; 2021 International Residential Code (IRC) — statewide per Utah Code § 15A-2-103, effective 07/01/2026 (edition unchanged from prior cycle); 2024 International Plumbing Code (IPC) — statewide per Utah Code § 15A-2-103, effective 07/01/2026; 2024 International Mechanical Code (IMC) — statewide per Utah Code § 15A-2-103, effective 07/01/2026; 2024 International Fuel Gas Code (IFGC) — statewide per Utah Code § 15A-2-103, effective 07/01/2026; 2024 International Energy Conservation Code (IECC) — statewide per Utah Code § 15A-2-103, effective 07/01/2026; 2024 International Existing Building Code (IEBC) — statewide per Utah Code § 15A-2-103, effective 07/01/2026; 2023 National Electrical Code (NEC) — statewide per Utah Code § 15A-2-103, effective 07/01/2026; Residential provisions of the 2024 International Swimming Pool and Spa Code — statewide per Utah Code § 15A-2-103(1)(n), effective 07/01/2026. Local amendments apply — see the Unincorporated San Juan County overview page for the full list.

No distinct tenant-improvement fee tier is published. San Juan County bills TI work under the same 1.75-times-square-footage combined Plan Review & Building Permit formula used for new commercial construction, applied to the improved square footage.

Sources & verification

Key facts verified against official sources. Last reviewed 2026-07-19.

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 San Juan County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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