ADU Permits: El Cajon vs Escondido
How do adu permits rules compare between El Cajon, CA and Escondido, CA?
El Cajon and Escondido have similar restriction levels.
El Cajon, CA
San Diego County
El Cajon processes ADU and JADU applications ministerially through the Community Development Department under ECMC Title 17 and California Government Code §65852.2. State law caps review at 60 days from a complete application. Detached ADUs are allowed up to 1,200 sq ft and JADUs up to 500 sq ft, with the by-right 4-foot side and rear setbacks for one-story units and a minimum 16-foot height.
View full El Cajon rules →Escondido, CA
San Diego County
Escondido processes ADU and JADU applications ministerially under Article 70 of the Escondido Zoning Code and California Government Code §65852.2 (as amended by AB 68, AB 881, SB 13, and AB 1033). The Escondido Planning Division applies the 60-day state-law review deadline. Detached ADUs are allowed up to 1,200 sq ft and JADUs up to 500 sq ft within an existing or proposed single-family dwelling.
View full Escondido rules →Key Facts Comparison
| Fact | El Cajon | Escondido |
|---|---|---|
| Code Section | ECMC Title 17; Gov. Code §65852.2 | EMC Article 70; Gov. Code §65852.2 |
| Review | Ministerial, 60-day cap | Ministerial, 60-day cap |
| Detached Max | 1,200 sq ft | 1,200 sq ft |
| JADU Max | 500 sq ft | 500 sq ft |
| Setback | 4 ft side/rear (one-story) | 4 ft side/rear, 16 ft height |
| Height | 16 ft standard; up to 25 ft for some attached | - |
Highlighted rows indicate differences between cities.
El Cajon FAQ
How long does ADU review take in El Cajon?
California Gov. Code §65852.2(b) caps ministerial review of a complete application at 60 days. The El Cajon Community Development Department reviews ADU permits against ECMC Title 17 objective standards — no public hearing, no discretionary findings, just plan check.
Where do I apply for an ADU permit in El Cajon?
Through the El Cajon Community Development Department's Building & Fire Safety Division. Plans are submitted for combined planning and building review. Pre-approved ADU plan sets, where offered, can shorten architectural plan check.
Escondido FAQ
How long does ADU review take in Escondido?
State law caps ministerial review at 60 days from a complete application, per California Government Code §65852.2. The Escondido Planning Division applies Article 70 objective standards — no Planning Commission hearing is required.
Do I need a public hearing for an Escondido ADU?
No. Article 70 and Gov. Code §65852.2 require ministerial review only — no Planning Commission hearing, no neighbor notice, and no discretionary findings. Only objective standards apply, and parking is not required per EMC §33-1474(c)(1).
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