Can you build an ADU in Moreno Valley, CA?
The city clearly has dedicated ADU materials and code sections, which is a positive sign, but the provided research did not include the operative ADU standards needed to assess feasibility confidently by district or lot condition.
Confidence: medium · Last researched June 2026
Accessory Dwelling Units / Granny Units / Second Units rules
The code excerpt confirms that granny units and second units are subject to dedicated setback rules in Sections 9.09.120 and 9.09.130, and the Planning Division provides a separate ADU information page.
- Setbacks are governed by Sections 9.09.120 and 9.09.130.
- City maintains a dedicated ADU information resource.
- Project-specific standards should be verified directly from the city’s ADU code and guidance.
Dimensional standards in Moreno Valley, CA
| Residential 1 (R1) — minimum lot size | forty thousand (40,000) square feet |
| Residential 2 (R2) — minimum lot size | twenty thousand (20,000) square feet |
| Residential Agriculture 2 (RA2) — minimum lot size | twenty thousand (20,000) square feet |
| Residential 3 (R3) — minimum lot size | ten thousand (10,000) square feet |
| Residential 5 (R5) — minimum lot size | seven thousand two hundred (7,200) square feet |
| Business Flex (BF) — front building setback | 5 to 10 |
| Business Flex (BF) — side street building setback area | 10 |
| Business Flex (BF) — parking side street setback | 10 |
| Business Flex (BF) — setback landscaping | 10 |
| Residential districts — accessory structure setback to rear property line | five feet |
| Residential districts — accessory structure setback to interior side property line | five feet |
| Residential districts — accessory structure setback to street side property line | 10 feet |
Related questions
Are ADUs allowed in Moreno Valley, CA?
The code excerpt confirms that granny units and second units are subject to dedicated setback rules in Sections 9.09.120 and 9.09.130, and the Planning Division provides a separate ADU information page.
Full investor analysis
You've seen the general rule. The full Moreno Valley, CA report shows which districts allow ADUs by-right vs. by special permit, the approval path and timeline, and the overlay/flood constraints that quietly kill ADU projects here. First town report is free.
Get the full Moreno Valley, CA report free →More about Moreno Valley, CA zoning
- Can you build a duplex in Moreno Valley, CA?→
- Are short-term rentals allowed in Moreno Valley, CA?→
- Is mixed-use development allowed in Moreno Valley, CA?→
- What are the setback requirements in Moreno Valley, CA?→
This summary is AI-generated from public municipal sources and is not legal, engineering, or land-use advice. Always verify zoning with Moreno Valley, CA officials before making decisions.
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