Signage Rules: Fontana vs Rialto
How do signage rules rules compare between Fontana, CA and Rialto, CA?
Fontana and Rialto have similar restriction levels.
Fontana, CA
San Bernardino County
Home businesses in Fontana cannot display any exterior commercial signage. Window signs, yard signs, banners, and lighted displays are prohibited. Only the standard address number is allowed.
View full Fontana rules →Rialto, CA
San Bernardino County
Rialto Municipal Code Ch. 18.78 (Sign Regulations) governs signs citywide. Consistent with standard California home-occupation rules, signs advertising a home occupation are prohibited on residential property — the use must produce no external evidence of business activity visible from the public right-of-way. Vehicle signage on personal vehicles is permitted under Cal. Veh. Code and First Amendment commercial-speech protections, but on-premises advertising signs are not allowed at a home office.
View full Rialto rules →Key Facts Comparison
| Fact | Fontana | Rialto |
|---|---|---|
| Home sign ban | No exterior commercial signs in residential zones | - |
| Allowed markings | Standard address numerals and small address plaque only | - |
| Covered items | Window signs, yard signs, banners, lighted displays | - |
| Vehicle signage | Business vehicle parked as residential; not as static ad | - |
| Violation risk | Can lead to Home Occupation Permit revocation | - |
| Sign code | - | RMC Ch. 18.78 Sign Regulations |
| Home-business signs | - | Prohibited in residential zones |
| Allowed residential signs | - | Address, nameplate, temporary (real estate / political) |
| Vehicle signs | - | Permitted on personal vehicles per Cal. Veh. Code |
Highlighted rows indicate differences between cities.
Fontana FAQ
Can I put a small sign by my Fontana door for my home business?
No. Home occupations cannot display any exterior commercial signage - only the standard address number is allowed.
What about a sign in my window facing the street?
Window signage is also prohibited under Title 30 for residential home businesses; it is the same rule as a yard sign.
Can I park my wrapped business van in my driveway?
Parking a work vehicle at home is generally allowed, but the city can cite you if the vehicle is obviously placed or displayed purely as static advertising.
Rialto FAQ
Can I put a small sign in my front yard advertising my home business?
No. Under RMC Ch. 18.78 and Title 18 home-occupation standards, business signage in residential zones is prohibited. The home occupation must produce no external evidence of business activity.
Is a magnetic sign on my truck OK if I park it at home?
Yes, personal-vehicle signage is not regulated as an on-premises sign. However, if the vehicle is a commercial vehicle exceeding RMC weight or size limits, parking it overnight in a residential zone may violate Title 10 vehicle / parking rules.
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