Sign Regulations in Rancho Cucamonga, CA (2026)
4 verified sign regulations for Rancho Cucamonga, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Political Signs
Political signs on private residential property in Rancho Cucamonga are protected free speech under the First Amendment with limited size and placement regulations. Signs cannot be placed in the public right-of-way.
Rancho Cucamonga Political Sign Rules
Some RestrictionsCal. Civ. Code Sec. 4710 (HOA Display of Noncommercial Signs, Posters, Flags, or Banners)
4710. (a) The governing documents may not prohibit posting or displaying of noncommercial signs, posters, flags, or banners on or in a member’s separate interest, except as required for the protection of public health or safety or if the posting or display would violate a local, state, or federal law. (b) For purposes of this section, a noncommercial sign, poster, flag, or banner may be made of...
Garage Sale Signs
A Rancho Cucamonga garage sale sign is exempt from a sign permit, but only within tight limits: no more than six square feet, posted no longer than 48 hours, and removed the moment the one-day sale ends. Development Code § 17.74.040(B)(3) ties the exemption to a single-day home-based sale, not an ongoing or recurring one.
Rancho Cucamonga Garage Sale Sign Rules
Light RestrictionsRancho Cucamonga, CA, Development Code § 17.74.040(B)(3)
Signs on property where there is a one-day garage, yard, estate, or other one-day home-based sale taking place. Such signs may be posted for no more than 48 hours and must be removed at the end of the one-day sale. A maximum of six square feet is allowed per sign.
Digital Billboards
Rancho Cucamonga bans new digital and electronic display signs citywide, full stop. Development Code § 17.74.120 declares the handful of electronic display signs that existed when the chapter took effect legal nonconforming, letting them keep operating, but it flatly forbids establishing any new one, with narrow carve-outs only for fuel-price signs, time-and-temperature displays, and manually changeable copy signs.
Rancho Cucamonga Digital Billboard Rules
Significant RestrictionsRancho Cucamonga, CA, Development Code § 17.74.120(A)
The city finds and declares that electronic display signs pose a danger to the motoring public because of potential distraction from their change of message, scale, format, and other physical qualities that differentiate them from other sign types. The city recognizes that as of the effective date of this chapter there are several electronic display signs within the city. Such signs are declare...
Window Signs
A Rancho Cucamonga business cannot cover more than 30 percent of any single window with signage, whether the sign is permanent or temporary. Development Code § 17.74.070(B)(5) sets that per-window cap and additionally caps neon window signs at two per business, an exception to the chapter's general ban on neon signage elsewhere in the same code.
Rancho Cucamonga Window Sign Coverage Limit
Some RestrictionsRancho Cucamonga, CA, Development Code § 17.74.070(B)(5)
Window sign. Window signs (permanent or temporary) shall not cover more than 30 percent of the window area for each window of the establishment. Window signage may include up to two neon signs per business.
Looking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Rancho Cucamonga city rules.
Sign Regulations in San Bernardino County →