Accessory Dwelling Unit (ADU) Permit in Logan, Utah
Required for construction of an accessory dwelling unit on a residential property in Logan. Logan has specific zoning requirements for ADUs as part of its university-area housing strategy.
Verified 2026-06-27 · Source
When you need this permit
- Property must be in an eligible residential zone
- Owner occupancy required for either the primary or accessory unit
- ADU must meet minimum and maximum size requirements
- One additional off-street parking space required
Required documents
- Req
Building Plans
Construction drawings showing floor plan, elevations, and sections
- Req
Site Plan
Showing ADU placement, setbacks, parking, and access
- Req
Proof of Ownership
Deed or title showing property ownership
- Req
Energy Compliance
REScheck or equivalent energy calculation
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit | Based on ICC valuation table | — |
| Plan Review | 65% of building permit fee | — |
| Impact Fees | Varies — contact city for current rates | — |
Review timeline
14–28 business days
Typical plan review in Logan
Inspection process
- 1
Foundation
Before concrete pour — forms, rebar, anchor bolts
- 2
Framing
After framing, sheathing, and roof — before insulation
- 3
Insulation
After insulation installed, before drywall
- 4
Final
All work complete, ready for occupancy
Tips
- Logan's ADU regulations are shaped by its role as a university town — verify your zone allows ADUs before designing.
- Owner occupancy is enforced — you must live in either the primary dwelling or the ADU.
- Detached ADUs have stricter setback requirements than attached units.
Frequently asked questions
- Can I build an ADU on my property in Logan?
- ADUs are permitted in certain residential zones in Logan. Check with the Community Development department at (435) 716-9030 to confirm your property is eligible before applying.
- Do I need to live on the property to have an ADU in Logan?
- Yes. Logan requires that the property owner occupy either the primary dwelling or the ADU as their primary residence.
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