California Neighborhoods R
- Racquet Club Estates (13)
- Racquet Club South (2)
- Racquet Club West (15)
- Ramblewood (3)
- Ramona (23)
- Ramona (8)
- Rampart Village (27)
- Rancho Adjacent (25)
- Rancho Bella Vista (7)
- Rancho Bernardo (50)
- Rancho Cucamonga (1)
- Rancho Fontana (1)
- Rancho Niguel (7)
- Rancho Park (15)
- Rancho Penasquitos (39)
- Rancho Ramon (3)
- Rancho Rinconada (3)
- Rancho San Diego (10)
- Rancho San Joaquin (4)
- Rancho San Miguel (1)
- Rancho Santa Teresa (2)
- Rancho West (1)
- Rancho-Del Rey (7)
- Ray Park (1)
- Raymond Hill (1)
- Raynor Park (1)
- Redhawk (8)
- Redwood Heights (11)
- Redwood Oaks (6)
- Redwood Shores (15)
- Redwood Village-Rolando Park (8)
- Renaissance (4)
- Republic Homes (1)
- Reservoir Hill (3)
- Resthaven Acres (2)
- Rexland Acres (5)
- Richland Farms (1)
- Richmond Annex (5)
- Richmond District (41)
- Richmond Grove (10)
- Ridgeview-Webster (2)
- Rincon (45)
- Rio Bravo (3)
- River District (2)
- River Oaks (1)
- River Oaks (2)
- Riverglen (1)
- Riverlakes (5)
- Riverpoint (1)
- Riverside (1)
- Riverside Airport (4)
- Riverside Rancho (5)
- Riverside Valley Home Gardens (1)
- Riverview (1)
- Riverview (4)
- Riverview Office Park (1)
- Riverview West (3)
- Riverwalk (6)
- Riviera (1)
- Riviera (16)
- Riviera/Westchester (6)
- Robinhood-Bon Vivant (1)
- Robla (5)
- Rockridge (3)
- Roeding Park (12)
- Rolando (18)
- Rolling Hills (5)
- Rolling Hills Ranch (2)
- Roosevelt (3)
- Roosevelt (7)
- Roripaugh Ranch (2)
- Rose Garden (1)
- Rose Garden (1)
- Rose Glen (2)
- Rose-Sartorette (2)
- Rosebank (2)
- Rosemary Garden (1)
- Rosemont (19)
- Roseville Heights (2)
- Roseville-Fleet Ridge (18)
- Rosewood Baker (1)
- Rossmoyne (16)
- Royal Oaks (1)
- RP Sports Complex (9)
- Rubidoux (7)
- Rudgear Meadows (1)
- Russian Hill (14)
- Ruth Hardy Park (5)
- Ryan Tract (1)