Martin Luther King Jr. Day closure January 19

Santa Ana City Hall will be closed and there will be no street sweeping on Monday, January 19, 2026. Learn more here.

Step 1. Determine Eligibility

To utilize Santa Ana’s Pre-Approved ADU Plans, your property must meet the following requirements:

    • Project site is developed or proposed to be developed with a single-family dwelling unit
    • Not located in a flood zone (Zone A or AE)
    • Not located in a historic district (French Park (SD-19), Downtown Historic District, and Floral Park)
    • Not located in Heninger Park (SD-40)
    • Proposed project must meet grading permit exemption requirements

Use the property information search tool to determine if your property is eligible.

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