Panel Permits: Ontario vs Rialto
How do panel permits rules compare between Ontario, CA and Rialto, CA?
Ontario and Rialto have similar restriction levels.
Ontario, CA
San Bernardino County
Ontario issues same-day online solar permits under AB 2188 and the statewide SolarAPP+ automated plan check, and new single-family homes must include solar under the 2019 Title 24 Solar Mandate.
View full Ontario rules →Rialto, CA
San Bernardino County
San Bernardino County issues solar permits through expedited online portal under AB 2188 (3-day processing for small rooftop systems), with Title 24 compliance and utility interconnection coordination.
View full Rialto rules →Key Facts Comparison
| Fact | Ontario | Rialto |
|---|---|---|
| Permit | SolarAPP+ instant issue | - |
| Mandate | Title 24 Part 6 on new homes | - |
| Fire setback | CA Fire Code 1205 | - |
| Interconnection | SCE Rule 21 | - |
| - | - |
Highlighted rows indicate differences between cities.
Ontario FAQ
How long does a solar permit take?
Residential systems cleared through SolarAPP+ receive same-day permits in Ontario.
Do I have to include solar on my new construction?
Yes, the Title 24 Solar Mandate requires PV on new single-family and low-rise multifamily homes in California.
Rialto FAQ
Compare other topics
See how Ontario and Rialto compare on other ordinance categories.
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