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Accessory Dwelling Unit (ADU) Permit in Eagle Mountain, Utah

Required in Eagle Mountain to establish an accessory dwelling unit that will be rented to a non-relative. Per Eagle Mountain Municipal Code (EMMC) Chapter 17.70, an ADU permit requires Planning Department approval in addition to a building permit. The flat $230 permit fee is listed verbatim in the Consolidated Fee Schedule (updated July 1, 2026), Section 10.3. Eagle Mountain's moderate income housing plan waives additional impact fees for ADUs.

Verified 2026-08-21 · Source

When you need this permit

  • ADU permit is required when a secondary dwelling unit on a single-family lot will be rented to a person who is not a relative as defined in EMMC 17.10.030
  • If you will NOT rent the unit, a Second Kitchen Agreement (recorded with Utah County) is required instead of an ADU permit — see EMMC 17.69.010
  • Planning Department approval is required; the building permit for the physical construction is separate
  • Adding a basement walkout may create an ADU and trigger this permit requirement
  • ADU must comply with EMMC Chapter 17.70 (Accessory Dwelling Units); zoning regulations are in City Code Title 17

Required documents

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Fee schedule

Accessory Dwelling Permit
Eagle Mountain Consolidated Fee Schedule (updated July 1, 2026), Section 10.3 Conditional Uses: 'Accessory Dwelling Permit*... Show full citationEagle Mountain Consolidated Fee Schedule (updated July 1, 2026), Section 10.3 Conditional Uses: 'Accessory Dwelling Permit*... $230' — raised from the $200 listed in the March 3, 2026 edition of the schedule. Per the City's moderate income housing plan (footnote to the same line), no additional impact fees are charged for accessory dwelling units.
$230

Review timeline

Plan reviewTypical estimate — confirm current times with the Eagle Mountain building department
~14–14 business days

How long did your Accessory Dwelling Unit (ADU) Permit permit actually take in Eagle Mountain?

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

Inspection process

  1. 1

    Building Inspections (via separate building permit)

    If the ADU involves construction work (e.g., basement walkout, addition, or conversion), a separate residential building permit and its associated inspections are required in addition to the ADU planning permit

See the full Eagle Mountain inspection guide — scheduling & re-inspection fees →

Tips

  • An ADU permit (Planning Department) is distinct from the building permit for any construction. Both may be required.
  • If you are NOT renting to a non-relative, you need a Second Kitchen Agreement recorded with Utah County instead of an ADU permit. See EMMC 17.69.010.
  • Eagle Mountain waives additional impact fees for ADUs per its moderate income housing plan.
  • Eagle Mountain's ADU regulations are in EMMC Chapter 17.70. The definition of 'relative' for ADU purposes is in EMMC 17.10.030.
  • Contact the Eagle Mountain Planning Department by email or through the city website to confirm your project's requirements before submitting.

Frequently asked questions

Eagle Mountain requires a site/parking plan, floor plan, and an ownership affidavit. You must also complete the ADU Checklist available on the Planning Department page. Applications are submitted through the city's permit portal.

Eagle Mountain charges a flat $230 for an Accessory Dwelling Permit per the Consolidated Fee Schedule (updated July 1, 2026), Section 10.3. The City's moderate income housing plan also waives additional impact fees for ADUs. A separate building permit (valuation-based) is required if construction work is involved.

Plan review for an accessory dwelling unit (adu) permit in Eagle Mountain typically runs 14–14 business days. This is an estimate, not a published figure — confirm current review times with Eagle Mountain City Building Department at (801) 789-6600.

You'll need: ADU Permit Application; Site/Parking Plan; Floor Plan; Ownership Affidavit; ADU Checklist. See the required-documents checklist on this page for details on each.

Eagle Mountain requires 1 inspection(s) for an accessory dwelling unit (adu) permit, in order: Building Inspections (via separate building permit). Schedule each through Eagle Mountain City Building Department ((801) 789-6600).

Apply through Eagle Mountain City Building Department at 3726 E Campus Drive, Suites D & H, Eagle Mountain, Utah 84005. Phone: (801) 789-6600, email: buildinginspections@eaglemountain.gov. Office hours: Mon–Fri 8:00 AM – 5:00 PM. Official information: https://eaglemountain.gov/government/building/.

Eagle Mountain, Utah has adopted: 2024 International Building Code (IBC) — governing edition per Utah Code § 15A-2-103(1)(a), effective 2026-07-01, superseded the 2021 edition (which was itself effective July 1, 2023). Eagle Mountain's own Building Department Compliance & Codes page (eaglemountain.gov/government/building/) still lists '2021 International Building Code (IBC)' and has not been updated to reflect the 2026-07-01 statewide transition.; 2021 International Residential Code (IRC) — Eagle Mountain Building Department, Compliance & Codes page; unaffected by the 7/1/2026 statute revision, continues in force per Utah Code § 15A-2-103(1)(b) — Eagle Mountain's page is current on this point; 2024 International Plumbing Code (IPC) — governing edition per Utah Code § 15A-2-103(1)(d), effective 2026-07-01, superseding the 2021 edition. Note that Eagle Mountain's Compliance & Codes page still lists '2021 International Plumbing Code (IPC)' and has not been updated.; 2024 International Mechanical Code (IMC) — the governing edition per Utah Code § 15A-2-103(1)(e), effective 2026-07-01, superseding the 2021 edition. Eagle Mountain's Compliance & Codes page still lists '2021 International Mechanical Code (IMC)' and has not been updated; the state edition governs regardless.; 2024 International Fuel Gas Code (IFGC) — governing edition per Utah Code § 15A-2-103(1)(f), effective 2026-07-01, superseding the 2021 edition. Eagle Mountain's Compliance & Codes page still lists '2021 International Fuel Gas Code (IFGC)' and has not been updated.; 2021 International Fire Code (IFC) — Eagle Mountain Building Department, Compliance & Codes page; 2024 International Energy Conservation Code (IECC) — governing edition per Utah Code § 15A-2-103(1)(h), effective 2026-07-01, superseding the 2021 edition. Note that Eagle Mountain's Compliance & Codes page still lists '2021 International Energy Conservation Code (IECC)' and has not been updated.; 2023 National Electrical Code (NEC) — Utah Code § 15A-2-103(1)(g); unaffected by the 7/1/2026 statute revision, continues in force.; Eagle Mountain Municipal Code (local building and zoning regulations) — codepublishing.com/UT/EagleMountain/; Effective July 1, 2026 (now in force), the 2024 editions of the IBC, IPC, IMC, IFGC and IECC replaced the 2021 editions per Utah Code § 15A-2-103 (version effective 7/1/2026, superseded 1/1/2027); the IRC stays 2021 and the NEC stays 2023. Eagle Mountain's own Compliance & Codes page still shows the pre-transition 2021 editions across the board — the statute governs regardless of the city page's lag..

Sources & verification

Verified against official sources. Last reviewed 2026-08-21.

Fee schedules

Codes & ordinances

Department & other records

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 Eagle Mountain building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

Property Access

Eagle Mountain's permit history is searchable by address

52 permits in our copy of Eagle Mountain's register — searchable by street address, with permit type, status, issued date and valuation where the city publishes them. This is what we hold, not a statement of everything Eagle Mountain has issued.

None of Eagle Mountain's records carry an issued date, so this history cannot be filtered or sorted by date. The permits are here and searchable by address — but “when” is not a question they can answer.

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Accessory Dwelling Unit (ADU) Permit in other cities

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