California Neighborhoods I
- Idyllwild Mountain Park (9)
- Indian Canyons (4)
- Industrial Area West (5)
- Ingleside Heights (7)
- Ingold-Milldale (7)
- Inner Sunset (8)
- Interland/Univ Research Park (2)
- Iron Triangle (6)
- Irvine Business Complex (60)
- Irvine Spectrum (53)
- Irvington (10)
- Ivey Ranch-Rancho Del Oro (18)
- Iveywood (5)
- Ivy Drive Area (1)
- Ivy Hill (4)