Building FAQ

• A house/travel trailer (fifth wheel, motorized recreation vehicle, camper, tent trailer).
  
• A tiny home that is on wheels and not on a permanent foundation.
  
• An uninsulated garden shed (not designed as code compliant habitable space)

Yes, you are required to obtain a permit before you can begin construction on your ADU project. Review the applicable ADU checklist and other documents on the ADU Home page for further guidance.

Yes. Depending on your garage, the ADU is considered either Converted or Free-Standing.

Yes. If you build a free-standing ADU, State Law requires that it have solar panels.

Yes. With the proper permits.

Moreno Valley offers pre-approved construction plans. There are 7 plan styles available with various exterior options. Learn more...

Yes, all ADUs except Jr ADUs will need a new address. Prepare and submit an Address Request online through SimpliCITY.

The request must include a Plot Plan (dimensioned and drawn to scale) and shall detail the placement of the ADU on the property.

The plan review & inspection/permit cost for an ADU depends on multiple factors. Costs vary depending on:

• Type and size of ADU
  
• Special Districts annexation fees
  
• Fire sprinkler plan submittal & permit fees (if required)
  
• Public Works Grading plan submittal & permit fees (if required)
  
• Other outside agencies

To get an accurate cost estimate, contact the Building & Safety, Fire, Public Works, Planning and Special Districts departments once you have a conceptual plan (size, location, square footage, etc.).

Please check fees with these entities (**varies based on your city location):