Rialto, CA Home Business: Zoning & Home Occupation Permits (2026)

68 and Title 18 (Zoning). 050 lists uses approvable ministerially: telemarketing; business and professional offices (excluding medical or dental offices that generate patient visits); academic, music, art, or dance instruction for no more than two students at a time; artists, sculptors, authors, and composers; dressmakers and tailors; home crafts using ordinary household tools; catering and food preparation with San Bernardino County Health Department approval; small electronics repair limited to items of 40 pounds or less; and home-based direct sales conducted primarily off-site. 070 prohibits, among others: animal hospitals and grooming, kennels and stables, vehicle repair, painting, upholstery or storage, barber and beauty shops, carpentry and cabinet making, contractor storage yards, firearms dealers, junk yards, massage parlors, adult businesses, medical offices, clinics and laboratories, and welding or machine operation.

110 require that the home be the operator's principal residence, that the use occupy no more than 25 percent of habitable square footage, that all activity and storage occur in enclosed structures with no outdoor storage, no hazardous or flammable materials, no nuisance effects (noise, vibration, smoke, odor, glare, or electrical interference), and that any garage storage not displace required off-street parking.