Title 13 — Planning, Zoning and DevelopmentChapter VIII — SIGNS

Article 3 — Sign Regulations

Costa Mesa Zoning Code · 2026-06 edition · ingested 2026-07-06 · Costa Mesa

§ 13-113. General requirements.

Unless otherwise provided in this chapter, erection, relocation or modification of all signs shall be in accordance with the requirements of this article, including the specific regulations listed in Table 13-115. (Ord. No. 97-11, § 2, 5-5-97)

§ 13-114. Permits required.

Where indicated in Table 13-115 and section 13-118 the erection, relocation, or modification of signs shall require permits and payment of fees as described in Article 7, Administration and Enforcement, of this chapter. No permit shall be required under this chapter for maintenance of a sign or for change of copy on a changeable copy sign. The requirements of this chapter are in addition to the requirements of the Uniform Building Code, National Electrical Code and other applicable codes. (Ord. No. 97-11, § 2, 5-5-97; Ord. No. 99-10, § 3, 7-19-99)

§ 13-115. Signs regulations and design standards.

Table 13-115 indicates the maximum allowed area, height, number, and other design restrictions for both permanent and temporary signs.

(click here to view the full table)

TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
RESIDENTIAL ZONES COMMERCIAL ZONES INDUSTRIAL ZONES INSTITUTIONAL ZONES
TOTAL SIGN AREA PER
STREET FRONTAGE
Residential uses: 1.0 sq. ft
per unit, not to exceed 90
sq. ft. (25 sq. ft. minimum
for sites with 4 or more
units).
Permitted non-residential
uses: 30 sq. ft. for sites
less than 1 acre.
45 sq. ft. for sites of 1 acre
or more.
Total area of all permanent
sigs (freestanding signs
and building signs) may
not exceed TOTAL SIGN
AREA PER STREET
FRONTAGE.
TOTAL SIGN AREA PER
STREET FRONTAGE
See section13-116for
commercial or industrial
signs located within 200 ft.
of residentially-zoned
property.
1.0 sq. ft. per ft. of lot width
+ 0.5 sq. ft. per ft. of lot
depth
30 sq. ft. for sites less than 1
acre.
45 sq. ft. for sites of 1 acre or
more.
FREESTANDING SIGNS
PERMIT REQUIRED
Yes
DEVELOPMENT
STANDARDS
1. Must be located in landscaped planter equal to twice the sign area.
2. May not obstruct visibility for motorists or pedestrians at driveways or intersections.
3. May not obstruct visibility of legal signs on adjacent site(s).
4. May not consist of a pole sign with a visible cylindrical pole structure(s).
5. Planning Division may require freestanding signs to incorporate street address if address on building is not visible
from public streets: 4 inches high minimum in residential zones; 8 inches high minimum in nonresidential zones. The
address area, up to 6 sq. ft., is not counted against allowable sign area. Address must be integrated into the design
of the sign and placed at such an elevation so as not to be obstructed by landscaping.
6. See section13-116if located within 200 ft. of residentially-zoned property.
MAXIMUM AREA (not
including street address)
30 sq. ft. (Includes both
on-site and neighborhood
identifcation signs.)
Total area of all freestanding
50% of total allowed sign are
signs may not exceed
a per street frontage.
15 sq. ft.
MAXIMUM HEIGHT 7 ft. 12 ft. 7 ft.
NUMBER & SEPARATION 300 ft. separation between freestanding signs on same site.
ILLUMINATION Exterior, or interior with
opaque background. No
fashing or blinking
allowed.
No fashing or blinking allowed. Exterior, or interior with opaque
background. No fashing or
blinking allowed.
VERTICAL CLEARANCE 8 ft. minimum clearance ov
circulation areas.
er pedestrian circulation areas . 16 ft. minimum clearance over parking and vehicular
FREEWAY-ORIENTED
FREESTANDING SIGNS
PERMIT REQUIRED
Prohibited Yes Prohibited
MAXIMUM AREA AND
HEIGHT
N/A For commercial properties
of one acre or more, within
300 feet of a freeway exit:
One freeway-oriented sign
may be allowed, not to
N/A
TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
--- --- --- --- ---
RESIDENTIAL ZONES COMMERCIAL ZONES INDUSTRIAL ZONES INSTITUTIONAL ZONES
exceed 230 sq. ft. and 32 ft.
high.
ILLUMINATION N/A No fashing or blinking N/A
VERTICAL CLEARANCE N/A 8 ft. minimum clearance
over pedestrian circulation
areas.
16 ft. minimum clearance
over parking and vehicular
circulation areas.
N/A
BUILDING WALL SIGNS
PERMIT REQUIRED
Yes
MAXIMUM AREA Total area of all permanent
building wall signage may
not exceed TOTAL SIGN
AREA PER STREET
FRONTAGE
Each single tenant may be allowed a maximum of 1.5 sq. ft. of building wall signage per
lineal foot of building frontage of the business. If the building frontage of any such use is
less than 25 lineal feet, only one sign, having a maximum area of 25 square feet, may
be permitted.
ILLUMINATION Exterior, or interior with
opaque background. No
fashing or blinking
allowed.
No fashing or blinking allowed. Exterior, or interior with opaque
background. No fashing or
blinking allowed.
NUMBER N/A Single tenant buildings: A maximum of three wall signs
per street frontage.
Multi-tenant buildings: One wall sign per business on
each street frontage.
N/A
Exception: A tenant with more than 10,000 square feet
of foor area in a multi-tenant building shall be
permitted a maximum of three wall signs per
business/street frontage.
Buildings with more than 2 stories and 30 feet in
height: No sign is permitted above the frst foor of any
building except for a single sign per street frontage on
the uppermost portion of the building fascia identifying
either the street address, name of the building, major
tenant and/or logo. Street address up to 6 square feet
per story shall not be counted toward allowable sign
area.
LOCATION Signs may only be attached to a building wall abutting a public street or on-site parking area serving the subject
building, unless otherwise approved by the Planning Division.
VERTICAL CLEARANCE Awning, canopy and projecting signs:
8 ft. minimum clearance over pedestrian circulation areas.
16 ft. minimum clearance over parking and vehicular circulation areas.
MURALS AND SUPER
GRAPHICS PERMIT
REQUIRED
Yes
DEVELOPMENT
STANDARDS
Subject to approval by the Planning Division. The purpose of the Planning Division approval is to verify that it is not a
sign.
PAINTED WALL SIGNS
PERMIT REQUIRED
Yes
MAXIMUM AREA Total area of painted wall signs may not exceed 10% of total allowed sign area per street frontage.
PERMANENT WINDOW
SIGNS PERMIT REQUIRED
Yes
TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
MAXIMUM AREA 1. 20% of contiguous window area maximum.
2. Window sign area in excess of the above maximum may be permitted if it can be shown that the merchandise
offered for sale cannot be adequately displayed and, therefore, justifes substitution of additional window signage for
merchandise display, subject to written approval by the Planning Division or Zoning Administrator. Total of permanent
and temporary window sign area shall not exceed 50% of contiguous window area.
CONVENIENCE SIGNS
PERMIT REQUIRED
Yes
DEVELOPMENT
STANDARDS
1. 9 sq. ft. maximum per sign.
2. Not counted against allowable sign area.
3. Placement and height subject to approval of Planning Division.
CONSTRUCTION SIGNS
PERMIT REQUIRED
Yes
TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
--- --- --- --- ---
RESIDENTIAL ZONES COMMERCIAL ZONES INDUSTRIAL ZONES INSTITUTIONAL ZONES
DEVELOPMENT
STANDARDS
1. One per street frontage.
2. 64 sq. ft. maximum.
3. 16 ft. high maximum.
4. Must be removed within 1 year after installation, or within 30 days of fnal inspection, whichever occurs frst.
Construction signs in R-1 zoning districts shall be consistent with allowable real estate signs (One per street
frontage, 5 sq. ft. maximum, and 6 ft. high maximum).
REAL ESTATE SIGNS (No
permits are required.)
FOR SALE SIGNS 1. One per street frontage.
2. 5 sq. ft. maximum.
3. 6 ft. high maximum.
1. One per street frontage.
2. 32 sq. ft. maximum.
3. 12 ft. high maximum.
OPEN HOUSE SIGNS 1. One per street frontage.
2. 3 sq. ft. maximum.
3. 5 ft. high maximum.
Prohibited
NON-COMMERCIAL
PORTABLE SIGNS ON
PRIVATE PROPERTY
5 sq. ft. maximum per sign
with a maximum 6-ft.
height above grade for
signs affxed in the
ground.
5 sq. ft. maximum per sign with a maximum 6-ft. height above grade for signs affxed in
the ground subject to the time periods set forth in section 13-123(a)(5).
COMMERCIAL PORTABLE
SIGNS WITHIN THE PUBLIC
RIGHT-OF-WAY
Subject to section13-123.5.
TEMPORARY WINDOW
SIGNS (No permits are
required.)
Prohibited 1. 20% of window area.
2. Window sign area in excess of the above maximum
may be permitted if it can be shown that the
merchandise offered for sale cannot be adequately
displayed and, therefore, justifes substitution of
additional window signage for merchandise display,
subject to written approval by the Planning Division or
Zoning Administrator. Total of permanent and
temporary window sign area shall not exceed 50% of
contiguous window area.
3. Time limit shall not exceed 60 days.
Prohibited
APARTMENT FLAGS (No
permits are required.)
1. 1 per 60 ft. of lot
frontage (minimum of 2).
2. 15 sq. ft. maximum.
3. 18 ft. high maximum.
4. Must be maintained in
good condition; removed
or replaced if torn, faded
or dirty.
Prohibited
OTHER FLAGS AND
PENNANTS
Flags of a nation or the state shall be displayed in an appropriate manner consistent
displaying products, logos and/or business names are prohibited.
Pennants are prohibited.
with state and federal law. Flags
BALLOON SIGNS (less than
24 inches) (No permits are
required)
Prohibited Allowed, subject to the following:
1. May not extend beyond any property line or over any
public-right-of-way, regardless of wind conditions.
2. Must be securely anchored.
3. May not be released into the air.
4. Metallic balloons are prohibited.
Prohibited
INFLATABLE SIGNS (over 24
inches)
Prohibited
BANNERS ON PRIVATE
PROPERTY (Permit
required) MAXIMUM AREA
0.5 ft. per unit.
Maximum area: 100 sq. ft.
per site.
0.5 sq. ft. per lineal foot of building frontage facing the street.
Minimum entitlement: 25 sq. ft. per tenant.
Maximum area: 75 sq. ft. per tenant.
TIME LIMITS A maximum display time of 60 days per calendar year.
Exception: For residential developments of 100 units or more, a maximum display time of 120 days per calendar
year.
DEVELOPMENT
STANDARDS
1. The entire surface of the banner must be securely affxed to either a building wall of the business being advertised
(the building wall must abut a public street or on-site parking area serving the business being advertised), or to the
sign face of a freestanding sign.
2. May not be attached to any staff, pole, line, framing, vehicle, or similar support.
3. May not project above roof.
4. Must be maintained in good condition; removed or replaced if torn, faded, or dirty.
TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
--- --- --- --- ---
RESIDENTIAL ZONES COMMERCIAL ZONES INDUSTRIAL ZONES INSTITUTIONAL ZONES
5. Limit 1 banner per tenant or building occupant on each street frontage maximum.
6. Banners are permitted only as a means of temporary advertisement, such as for new businesses, grand openings,
or similar special events, and may not be used as permanent signs.
7. Prior to the installation of a banner, a permit shall be obtained from the Planning Division. A city-issued decal shall
be attached to face of the banner in the lower right-hand corner. The banner and any support elements shall be
promptly removed at the expiration of the banner permit.
BANNERS WITHIN THE
PUBLIC RIGHT-OF-WAY
See section13-118, street banners.
TEMPORARY SIGNS ON
PUBLIC PROPERTY
PERMIT REQUIRED
Subject to section13-118.1
TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
TABLE 13-115
SIGN REGULATIONS PERMANENT SIGNS
BANNERS ON PUBLIC
BASEBALL AND/OR
SOFTBALL FIELDS PERMIT
REQUIRED
Subject to section13-118.2
NON-COMMERCIAL
BANNERS ON PRIVATE
PROPERTY (Permit
required)
MAXIMUM AREA The greater of 0.5 sq. ft.
per dwelling unit or 20 sq.
ft.
Maximum area: 100 sq. ft.
per site.
0.5 sq. ft. per lineal foot of building frontage facing the street.
Minimum entitlement: 25 sq. ft. per tenant.
Maximum area: 75 sq. ft. per tenant.
TIME LIMITS A maximum display time of 60 days per calendar year.
Exception: For residential developments of 100 units or more, a maximum display time of 120 days per calendar
year.
DEVELOPMENT
STANDARDS
1. The entire surface of the banner must be securely affxed to either a building wall of the residence or business (the
building wall must abut a public street or on-site parking area serving the residence or business), or to the sign face
of a freestanding sign.
2. May not be attached to any staff, pole, line, framing, vehicle, or similar support.
3. May not project above roof.
4. Must be maintained in good condition; removed or replaced if torn, faded, or dirty.
5. Limit 1 banner per tenant or building occupant on each street frontage maximum.
6. A permit is required.
SIGNAGE IN MIXED-USE
OVERLAY DISTRICT
Refer to the appropriate urban plan for signage regulations in the mixed-use overlay district.

(Ord. No. 97-11, § 2, 5-5-97; Ord. No. 98-5, §§ 20—22, 3-2-98; Ord. No. 99-10, § 4, 7-19-99; Ord. No. 02-8, § 1c, 4-15-02; Ord. No. 0411, § 3, 10-18-04; Ord. No. 06-9, § 1i., 4-18-06; Ord. No. 10-20, § 1(Exh. A), 1-4-11; Ord. No. 11-11, § 1, 9-20-11; Ord. No. 16-04, § 3, 8-2-16; Ord. No. 18-02, § 3, 1-16-18; Ord. No. 19-08, § 2, 4-2-19; Ord. No. 21-20, § 1, 12-7-21)

§ 13-116. Signs adjacent to residential zones.

In commercial and industrial zones, all signs located within 200 feet of residentially-zoned property shall conform to the following restrictions:

  • (a) Freestanding signs shall be limited to seven feet in height unless non-illuminated or placed in such a location that visibility from residentially-zoned property within 200 feet is completely obscured by permanent structures on the commercially- or industriallyzoned property.

  • (b) Building signs shall be placed no higher than the first story level unless non-illuminated or located so as not to be visible from residentially-zoned property within 200 feet.

  • (c) Signs that do not comply with the requirements of subsections (a) and (b) of this section may be authorized as part of a planned signing program, if the zoning administrator finds that the proposed sign(s) will not have adverse visual impacts on residentiallyzoned property within 200 feet.

  • (Ord. No. 97-11, § 2, 5-5-97)

§ 13-117. Maintenance of permanent signs.

All signs shall be maintained in a safe, structurally sound condition and in good repair at all times. Exposed surfaces shall be clean and painted if paint is required. Defective parts shall be replaced. Defective, damaged or substantially deteriorated signs may be ordered to be repaired or abated as provided for in applicable codes and ordinances. (Ord. No. 97-11, § 2, 5-5-97)

§ 13-118. Street banners.

Special event banners and holiday banners may be placed in the public right-of-way after obtaining the necessary approval as required by the applicable city council policy.

(Ord. No. 97-11, § 2, 5-5-97)

§ 13-118.1. Temporary signs on public property.

  • (a) Applicability. The placement of temporary signs on public property shall be limited to only those signs that advertise city-sponsored or city-permitted events or activities. As used in this section, these include, but are not limited to, events or activities of Youth Program User Groups 1 and 3, as defined in the athletic field/facility use and allocation policy.

  • (b) Permit required. Temporary signs for city-sponsored events may be placed on public property after obtaining the necessary permit from the recreation manager.

  • (c) Standards.

    • (1) Acceptable temporary sign location: Signs may be placed only on a building wall or perimeter wall or fence of the public property. The sign shall not project above the building parapet or the highest point of the roof or above the perimeter wall and/or fence. The sign shall not be attached to any staff, pole, line, framing, vehicle or similar support.

    • (2) Illumination: The sign shall not be illuminated.

    • (3) Maximum size: The total signage shall not exceed 80 square feet and individual signs shall not exceed 40 square feet.

    • (4) Number of signs: Limit one temporary sign per user group per street frontage at any given time.

    • (5) Installation: The entire surface of the sign must be securely fastened to the building or perimeter wall and/or fence.

    • (6) Maintenance required: The applicant shall maintain all signs in good condition, and the applicant shall remove or replace any sign that is torn, faded, dirty, or defaced, including by graffiti.

    • (7) Installation period: Temporary signs may be displayed a maximum of 30 days. Specific dates and time for the signs' installation and removal may be subject to change by the city in order to minimize impacts to the public.

    • (8) Sign removal: All signs that are not removed by the applicant by the approved removal date shall constitute a public nuisance subject to summary removal by the city.

  • (Ord. No. 04-11, § 4, 10-18-04; Ord. No. 09-14, § 1, 12-1-09)

§ 13-118.2. Banners on public baseball and softball fields.

  • (a) Applicability. Only a youth program user groups 1 and 3 shall be able to request approval to install banners on a public baseball or softball field that has been permitted for their use by the city. Youth program user groups 1 and 3 are defined in the City of Costa Mesa Athletic Field/Facility Use and Allocation Policy.

  • (b) Permit required. Banners may be placed on public baseball and/or softball fields after obtaining the necessary permit from the recreation manager.

  • (c) Standards.

    • (1) Acceptable banner location: Banners shall only be displayed on the field's outfield fence and shall only face the field's interior.

    • (2) Banner composition: Banner copy and/or logos shall be limited to one side of the banner, and the banner shall be made of durable cloth, bunting, plastic, or similar material.

    • (3) Maximum size: Individual banners shall not exceed 40 square feet.

    • (4) Installation: The banner's surface must be tautly and securely fastened to the outfield fence of the field by a minimum of four contact points.

    • (5) Maintenance required: The applicant shall maintain all banners in good condition, and the applicant shall remove or replace any banner that is torn, faded, dirty, or defaced, including by graffiti.

    • (6) Installation period: Banners shall be installed no sooner than seven days prior to the baseball and/or softball season's commencement and shall be removed within seven days of the season's close. Specific dates and time for the banners' installation and removal may be subject to change by the city in order to minimize impacts to the public.

    • (7) Banner removal: All banners that are not removed by the applicant by the approved removal date shall constitute a public nuisance subject to summary removal by the city.

  • (Ord. No. 04-11, § 5, 10-18-04; Ord. No. 09-14, § 1, 12-1-09)

§ 13-119. Billboards.

The area of any billboard that was legally erected before October 6, 1984, shall not be included in the calculation of sign area for the site on which it is located until any new building is placed or constructed on that site, after which the calculation of sign area shall include the area of all billboards on the site, regardless of time of construction. (Ord. No. 97-11, § 2, 5-5-97)