California Neighborhoods I
- Idyllwild Mountain Park (7)
- Indian Canyons (4)
- Industrial Area West (2)
- Ingleside (5)
- Ingleside Heights (2)
- Inner Parkside (2)
- Inner Sunset (4)
- Interland/Univ Research Park (2)
- Iron Triangle (9)
- Irvine Business Complex (48)
- Irvine Spectrum (27)
- Irvine Terrace (1)
- Irvington (8)
- Islenair (3)
- Ivey Ranch-Rancho Del Oro (14)
- Iveywood (2)
- Ivy Drive Area (2)
- Ivy Hill (4)