Sign Regulations in Simi Valley, CA (2026)
5 verified sign regulations for Simi Valley, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Political Signs
Simi Valley permits political signs on private property consistent with First Amendment protections and California Elections Code. Political signs may be displayed without a permit but are subject to reasonable time, place, and manner restrictions.
Simi Valley Political Sign Regulations
Some RestrictionsCal. Civil Code § 4710 (HOA noncommercial signs, posters, flags, and banners)
(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 paper...
Garage Sale Signs
Garage sales are exempt from a Temporary Use Permit if held no more than once per 180 days for up to three days, but any sign advertising the sale must still follow the Development Code's general temporary sign rules on height, placement and removal.
Simi Valley Garage Sale Sign Placement Rules
Light RestrictionsSimi Valley Municipal Code Sec. 9-52.080(C)(1) and (H)(10) (Temporary Use Permits)
C.Exempt temporary uses. Only the following limited-duration activities are exempt from the requirement for a Temporary Use Permit:1.Garage sales; provided, the sales do not occur any more frequently than one three-day event in each 180-day period...H.General standards (regulations)....10.Signs. Except as otherwise provided in this Section, signs shall be in compliance with the provisions for t...
Holiday Displays
Simi Valley regulates any holiday display carrying wording, a logo, or other message as a non-commercial temporary sign under Municipal Code Section 9-37.070. No permit or fee applies, but the display cannot stay up longer than 128 consecutive days, must stand six feet or under if free-standing, and cannot carry any internal or external illumination under the sign standards.
Simi Valley Holiday Sign Display Duration Limit
Some RestrictionsSimi Valley Municipal Code § 9-37.070(A), (C)
A.Non-commercial temporary signs.1.Requirements. Non-commercial signs, as defined in Article 8 (Definitions), shall not require a permit but are subject to the restrictions contained in Subsection C and F relating to size, placement, height, attachments, identification and illumination standards...3.Duration. The duration of non-commercial signs shall not exceed 128 days except election signs. ...
Digital Billboards
Electronic changeable copy signs in Simi Valley cannot flash, animate, or change message faster than once every 30 seconds. Signs near residential zones must go dark between 10 p.m. and 7 a.m., and text-only displays cap out at 40 square feet on an 8-foot freestanding structure.
Simi Valley Electronic Sign Display Limits
Some RestrictionsSimi Valley Municipal Code Sec. 9-37.050(G) (Electronic Changeable Copy Sign Standards)
G.Electronic changeable copy sign standards.1.The display illumination shall not have continuous motion or appear to be in continuous motion.2.The message rate shall not change at a rate faster than one message every 30 seconds.3.The intensity of the illumination shall neither change nor flash.4.For signs located within or abutting residential zones, the hours of operation are limited to 7:00 a...
Window Signs
Temporary window signs in Simi Valley cannot cover more than 40 percent of the glass surface they are attached to, and no permit is required to post them. Neon window signs are held to half that allowance and cannot flash, rotate, or vary in brightness.
Simi Valley Window Sign Coverage Limit
Some RestrictionsSimi Valley Municipal Code Sec. 9-37.070(D)(1) (Temporary Sign Standards, Window Signs)
1.Window signs. Temporary signs attached, glued, painted, resting upon, or otherwise affixed to a window glass surface shall not obscure or render opaque more than 40 percent of the exterior glass surface upon which it is affixed or painted. Signs mounted within two (2) feet of the exterior glass surface shall be considered window signs. Neon signs shall measure less than half of the allowed 40...
Looking for Ventura County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Simi Valley city rules.
Sign Regulations in Ventura County →