Article 84.
Sign Regulations.
Sec. 26-84-005.
Purpose.
Purpose: to insure the stability and safeguarding of property values; to protect the investments, both
public and private, in buildings and land; to preserve and improve the appearance of the county as
a place to live and work; to encourage sound signing practices as an aid to business and for the
information of the public; to prevent excessive and abusive signing; to reduce hazards and
confusion to motorists and pedestrians; and to promote the public health, safety and general
welfare. (Ord. No. 4643, 1993.)
Sec. 26-84-010.
General sign provisions.
(a) The provisions established by this section shall apply to signs in all base zoning districts. Signs
shall further be regulated by additional provisions which may be set forth in other sections of
this chapter. In addition, policies and criteria of the general plan, and any applicable specific
or area plan, or local area development guidelines shall supersede the standards herein.
(b) Any sign or advertising structure for which no regulations or provision in such ordinance stands
applicable may be considered by the board of zoning adjustments under the normal
procedures and determinations of the use permit process, and the board shall approve or deny
such applications in harmony and spirit with the purpose and intent of these regulations.
(c) No person shall erect any sign regulated by this chapter without first obtaining the written
consent of the property owner(s) upon which such sign is located and filing such written
consent with the planning department.
(d) No permit for any sign shall be issued and no sign shall be constructed or maintained which
has less horizontal or vertical clearance from communication lines and energized electrical
power lines that prescribed by the laws of the state of California or rules and regulations duly
promulgated by agencies thereof.
(e) Prohibited Signs. All signs not expressly permitted in Section 26-84-030 or exempt in this
section are prohibited. Prohibited signs include, but are not limited to the following:
(1) Signs in the form of banners, pennants, promotional flags and similar contrivances;
(2) Signs that consist of, or include, any moving part of any flashing, blinking, animated,
fluctuating or otherwise intermittent light;
(3) Illuminated signs of such brightness as to create hazardous or annoying glare viewed by
the general public;
(4) Signs so located as to prevent free ingress and egress from any door, window or fire
escape;
(5) Signs erected at or near intersections in such a manner as to obstruct free and clear
vision, or at any location where by reason of the position, shape or color it may interfere
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with, obstruct the view of, or be confused with any authorized traffic sign, signal or device;
(6) Signs attached to trees and poles with the exception of campaign and political signs
permitted in accordance with Section 26-84-030 and those placed by governmental
agencies for public information purposes.
(f)
Exempt Signs. The provisions of this chapter shall not apply to the following signs, nor shall
the area of such signs be included in the area of signs permitted for any site or use.
(1) Any public notice or warning required by a valid and applicable federal, state or local law,
regulation or ordinance;
(2) Signs of public utility companies indicating danger or which serve as an aide to public
safety or which show the location of underground facilities or of public telephones;
(3) Signs located in the interior of any building or within the enclosed lobby or court of any
building or group of buildings, which signs are designed and located to be viewed
exclusively by patrons of such use or uses. (Ord. No. 4643, 1993.)
Sec. 26-84-020.
Definitions.
As used in this article:
Appurtenant sign means any sign which directs attention to an occupancy, business, commodity,
service or entertainment conducted, sold or offered only from the premises where the sign is
maintained.
Area of sign means the entire area within a single continuous perimeter or geometric form or
sphere enclosing the extreme limits of writing, representation, emblem or any figure or similar
character excluding the necessary supports or uprights on which such sign is placed. Where a sign
has two (2) or more faces, except where two such faces are placed back to back and are at no
point more than two feet (2') from one another, the area of all faces shall be included in determining
the area of a sign. When only one (1) face of the sign is to be used for area calculations, the area
of the sign shall be taken as the area of one (1) face if the two (2) faces are of equal area, or as the
area of the larger face if two (2) faces are of unequal area.
Attached sign means any sign attached to, made a part of, or included on any building surface
(also known as a wall sign).
Detached sign means any sign which is not an attached sign and which is supported primarily by
one or more columns, uprights or braces placed in or upon the ground.
Directional sign means any structure for the purpose of furnishing direction to uses which are
designated to accommodate tourists or other travelers, or a use which is of general public interest
but excluding onsite information signs and real estate signs. Such signs shall indicate a point of
change in travel, and shall not exceed thirty-two (32) square feet in area.
Directly illuminated sign means any sign designed to give forth artificial light directly or through
transparent or translucent material from a source of light visible from the street, or abutting from
property, including but not limited to exposed tubing neon signs.
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Height of sign means the vertical distance from the uppermost point and used in measuring the
area of a sign to the ground immediately below such point or to the level of the upper surface of the
nearest curb of a street or alley (other than a structurally elevated roadway) whichever
measurement permits the greater elevation of the sign.
Identification sign means any sign other than a bulletin board which serves to tell only the name,
address and lawful uses of the premises upon which the sign is located and shall include name
plates.
Indirectly illuminated sign means any sign whose illumination is reflected from its source by the
sign display surface to the viewer’s eye, the source of light not being visible from the street or from
abutting property.
Off-site real estate sign means any sign advertising the sale, rental, lease or exchange of, and
directions to, property other than that on which the sign is maintained.
On-site real estate sign means any sign advertising the sale, rental, lease or exchange of the
premises on which the sign is maintained, including new development and subdivision signs.
Outdoor advertising sign means any off-site card, cloth, paper, metal, painted or wooden sign of
any character (excluding appurtenant and directional signs) placed for outdoor advertising
purposes, on the ground or onto any tree, wall, bush, rock, post, fence, building, structure or thing.
The term “placed,” as used in this definition, includes erecting, constructing, maintaining, posting,
painting, printing, tacking, nailing, gluing, sticking, carving or otherwise fastening, affixing to, or
making visible in any manner.
Outdoor advertising structure means an off-site structure of any kind or character erected or
maintained for outdoor advertising purposes, upon which any poster, bill, printing, painting or other
advertisement of any kind whatsoever may be placed for advertising purposes. The term “placed,”
as used in this definition, includes erecting, constructing, maintaining, posting, painting, printing,
tacking, nailing, gluing, sticking, carving, or otherwise fastening, affixing to or making visible in any
manner.
Portable sign means any sign not permanently attached to the ground or other permanent
structure, or a sign designed to be transported, including, but not limited to, signs equipped with
wheels, casters or rollers. Advertising displays affixed to, or being supported by, a vehicle are
portable signs.
Reader board means any sign of permanent character, but with movable letters, words or numerals
indicating the names of persons associated with, or events conducted upon, or products or services
offered upon the premises upon which such sign is maintained. For purposes of this chapter, a
reader board is considered an appurtenant sign.
Sign means any visual announcement, declaration, demonstration, display, illustration or insignia
used to advertise, identify or promote the interest of any person, product or place of business when
the same is placed out of doors in view of the general public.
Viticultural area sign means a sign to identify one or more wineries within an area recognized as
an American Viticultural Area by the U.S. Department of Treasury, Bureau of Alcohol, Tobacco and
Firearms (BATF). (Ord. No. 4876 § 1, 1995; Ord. No. 4643, 1993.)
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Sec. 26-84-030.
Permitted signs.
(a) The following signs are permitted by this chapter and subject to the following regulations.
Figure A, set out at the end of this section, summarizes the applicable permits required prior
to placement of these signs. Where no permit is specified on Figure A, the applicable signs are
not permitted; provided, however, that where the use of a parcel is a mobilehome park, signs
may be permitted which conform to the provisions of Section 26-81-030(q)(17), subject to
design review approval pursuant to Section 26-81-030(h), and provided further, that signs
advertising the sale, exchange and rental of mobilehomes located inside mobilehome parks
may be permitted in accordance with the provisions of state law.
(1) On-site informational signs;
(2) Directional signs;
(3) Appurtenant signs;
(4) Real estate signs;
(5) Campaign and political signs;
(6) Outdoor advertising signs and structures.
(b) On-site Informational Signs. On-site informational signs which meet either of the following
criteria are permitted without prior approval of a permit:
(1) Not more than six (6) square feet in area having no advertising message and not
exceeding six feet (6') in height. Such signs shall bear only name, address, symbol and
directing arrow to place of use.
(2) Signs not exceeding two (2) square feet in area erected for the convenience of the public,
such as signs identifying restrooms, entry/exit, public telephones, walkways and similar
features and facilities.
On site informational signs not meeting either of the above criteria shall be treated as
appurtenant signs and subject to Section 26-84-030(d).
(c) Directional Signs. Directional signs shall be subject to approval of a use permit in the base
districts indicated on said Figure A.
The requirement for use permits for directional signs may be waived only if such signs do not
exceed eight (8) square feet in area. In the event of such waiver, the directional sign shall be
subject to design review approval. In addition, the use permit requirement may be waived by
the planning director for temporary (thirty (30) day) signs advertising events of community
interest such as fairs, festivals, parades and the like.
(d) Appurtenant Signs. Appurtenant signs shall be subject to design review approval in the base
districts as indicated on said Figure A, and shall be subject to the following:
(1) The number of appurtenant signs per parcel shall be limited to one (1) attached sign per
building side which fronts onto a project access road. One (1) detached sign may be
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permitted in place of an attached sign.
(2) A sign program shall be prepared for multiple occupancy buildings to ensure design
consistency and to facilitate sign permit processing.
(3) The size of appurtenant signs shall be compatible with the proposed use and surrounding
land uses and shall not exceed thirty-two (32) square feet.
(4) Monument style signs with landscaping provided at the base are recommended for
detached appurtenant signs. The maximum height of monument signs shall be six feet (6')
above ground level.
(5) Lighting. Internal illumination of signs shall be by low intensity lamps and shall be limited
to letters and graphic elements, with the surrounding background opaque. Where signs
are externally illuminated, adjacent roads and properties shall be screened from the light
source.
The design review committee may approve signs which exceed the above standards where
it is deemed appropriate in light of topography, vegetation or unique physical characteristics
or design features.
Appurtenant signs in the MP (Industrial Park) district shall be permitted pursuant to the
provisions of Section 26-44-030. Additional appurtenant signs and sign area beyond that
specified in Section 26-44-030 may be allowed subject to issuance of a use permit. The use
permit requirement may be waived pursuant to Section 26-88-010(g). In the event of such
waiver, additional signs or sign area shall be subject to approval of the design review
committee.
(e) Real Estate Signs.
(1) On-site real estate and recorded subdivision signs which meet the following criteria are
permitted without prior approval of a permit:
(i)
It is located entirely within the property;
(ii) It is unlighted;
(iii) It is removed within fifteen (15) days after close of escrow, rental, lease or exchange
has been accomplished;
(iv) Such signs shall not exceed three (3) square feet for lots of less that ten thousand
(10,000) square feet; six (6) square feet for lots of less than twenty thousand
(20,000) square feet; twelve (12) square feet for lots less than one (1) acre; eighteen
(18) square feet for lots of less than five (5) acres; twenty-four (24) square feet for
lots less than ten (10) acres; and thirty-two (32) square feet for lots of twenty (20)
acres or more;
(v) A recorded subdivision shall be permitted sixty-four (64) square feet of sign area for
temporary sign use, with the provision of additional sign area available through the
use permit procedure. One (1) sign not exceeding six (6) square feet in area shall be
permitted advertising the sale of a model home or lot for sale. All model home and
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lot for sale signs shall be removed when the home or lot is sold; provided, further that
all signs shall be removed when all homes or lots are sold in the subdivision. Prior
to placing the sign on the property or applying for a building permit, the applicant and
the recorded owner(s) of the property shall furnish the planning department with
written authority granting the county permission to enter upon the premises and
remove the sign in the event the permit holder defaults upon the agreement to
remove same.
(2) Off-site real estate signs which are in place for no longer than three (3) days, are less than
four (4) square feet in area, are less than four feet (4') in height, are not illuminated and
are not located along a designated scenic corridor, are permitted without prior approval
of a permit.
Otherwise, off-site real estate signs shall be subject to approval of a use permit or zoning
permit in the base districts as indicated on said Figure A. Notwithstanding said Figure A,
all off-site real estate signs located along a designated scenic corridor shall require a use
permit. Where such signs require a zoning permit, they are subject to the following criteria:
(i)
No more than two (2) single faced signs, nor more than one (1) double-faced wing
type sign, each having a maximum of sixteen (16) square feet on each face, shall be
permitted per parcel;
(ii) They shall not exceed four feet (4') in height;
(iii) They shall not be illuminated;
(iv) They shall be removed within ten (10) days after the close of escrow, lease or
exchange has been accomplished. For new residential, commercial and industrial
developments, all signs shall be removed within ten (10) days after the close of
escrow for the remaining lot or unit in a subdivision, planned development or
condominium project, or within ten (10) days after the lease of the remaining unit in
a planned development or condominium project. In the event that all signs are not
properly removed, a penalty may be imposed sufficient to cover the costs of removal;
(v) The maintenance and removal of the signs shall be the responsibility of the applicant
or his or her representative;
(vi) They shall be erected in a safe manner in accordance with standards established by
the building department;
(vii) The zoning permit shall be subject to revocation upon failure to comply with the
above conditions.
(f)
Campaign and Political Signs. Campaign and political signs may be permitted in any zoning
district upon being issued a zoning permit and are subject to the following criteria:
(1) No more than two (2) sixteen (16) square foot single-faced, nor more than one (1) double
faced or wing type, maximum sixteen (16) square feet on each face, political or campaign
sign is permitted, per parcel, in the R1 (single family residential) districts;
(2) In all other zoning districts, two (2) single faced, or one (1) double faced, V-type political
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campaign sign, maximum thirty-two (32) square feet on each face is permitted, per parcel;
(3) Prior to the erecting or posting of any political or campaign sign on private property, the
candidate, campaign manager or sponsor shall contact the planning department to
determine the applicable sign regulations. All signs shall be removed entirely within twenty
(20) days of the close of the campaign. In the event that all signs are not properly
removed, a penalty may be imposed sufficient to cover the costs of removal;
(4) No signs shall be erected earlier than ninety (90) days prior to the election in which the
candidate or measure will be voted upon. Signs on behalf of a political candidate who is
successful in the primary election may be retained for the general election, provided they
are properly maintained;
(5) The maintenance and removal of the signs is the responsibility of the candidate, campaign
manager or sponsors;
(6) No detached sign shall be located closer to a road, street or common driveway than the
property line and may not obstruct sighting distance for vehicle traffic;
(7) No sign shall be placed so that the top of the sign is more than four feet (4') above the top
of a fence, and in no case, more than seven feet (7') above the ground;
(8) All sign structures shall be erected in a safe manner in accordance with standards
established by the building department;
(9) The zoning permit shall be subject to revocation upon failure to comply with the above
conditions.
(g) Outdoor Advertising Structures and Signs. Outdoor advertising structures and signs are
subject to prior approval of a use permit only in the base districts as indicated on Figure A and
are subject to, at a minimum, the following criteria. The use permit requirement for temporary
(30-day) outdoor advertising signs for events of general community interest, such as fairs,
festivals, parades and the like may be waived by the planning director.
(1) Outdoor advertising structures or signs may be of a “V” or back-to-back type of
construction and shall not exceed two (2) advertising displays facing in each direction.
(2) No outdoor advertising structures or signs shall be erected or maintained closer than two
thousand feet (2,000') to any historical or national monument or shrine.
(3) Outdoor advertising structures and signs located along roadways which are not
designated as scenic corridors shall meet the following spacing requirements:
(i)
Outdoor advertising structures and signs along any freeway, expressway or limited
access highway: no closer than one thousand feet (1,000') from any other outdoor
advertising structure or sign, with the distance to be measured parallel to the
centerline of such highway;
(ii) Outdoor advertising structures and signs in a business area not located along a
freeway, expressway or limited access highway. no closer than two hundred feet
(200') to any other outdoor advertising structure or sign facing in the same direction,
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and on the same side of the highway;
(iii) Outdoor advertising structures or signs in other that a business area, and not located
along a freeway, expressway or limited access highway: no closer than five hundred
feet (500') from any other advertising structure or sign with the distance to be
measured parallel to the centerline of the highway.
(4) Outdoor advertising structures and signs along designated scenic corridors shall meet,
at a minimum, the following design criteria, in addition to criteria (1) and (2) above.
(i)
The structure or sign shall be for on-site advertising purposes only;
(ii) The advertising message shall be restricted to the name and location of the business
or service;
(iii) The structure or sign shall not exceed ten feet (10') in height along the Highway 101
Scenic Corridor or six feet (6') in height along all other scenic corridors;
(iv) The size of the structure or sign shall be limited to that which is necessary to allow
passing motorists to identify the location;
(v) Landscaping shall be provided at the base of the structure or sign;
(vi) The structure or sign shall consist of colors and materials which complement and
blend in the surrounding landscape; bright colors should be avoided;
(vii) Outdoor advertising structures or signs shall meet the following spacing
requirements:
(A) Along any freeway, expressway or limited access highway: no closer than two
thousand feet (2,000') from other outdoor advertising structure or sign facing in
the same direction and on the same side of the highway;
(B) In a business area not located along a freeway, expressway or limited access
highway: no closer than five hundred feet (500') from any other outdoor
advertising structure or sign facing in same direction, and on the same side of
the highway;
(C) In other than a business area and not located along a freeway, expressway, or
limited access highway: no closer than one thousand feet (1,000') to any other
outdoor advertising structure or sign measured parallel to the centerline of the
highway.
(h) Viticultural Signing.
(1) Viticultural area signs shall be subject to approval of a zoning permit in the base zoning
districts indicated in Figure A.
(2) The maximum height of height of the sign is to be twenty feet (20') above road grade,
including the header.
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(3) The viticultural area signs are to be located on a six inch (6") by six inch (6") post.
(4) Panels. No more than fifteen (15) panels with winery names are to be placed on the post.
The panels shall not be more than one inch (1") by six inches (6") by thirty-six inches
(36").
(5) Header. An oval header panel is to be located on top of the post with the name “Sonoma
County,” the name of the grape growing area and with a grape logo. It is to be made of
similar construction to the winery panel not more than one inch (1") by thirty inches (30")
by fifteen inches (15").
(6) Approval of all signs shall be conditioned on maintenance of the sign by the applicants
of the zoning permit. If the sign is determined to be a hazard, the county may remove the
sign without notice, hearing or compensation.
(7) The sign shall not cause a visual obstruction, as defined in the state’s outdoor advertising
act. (Ord. No. 4876 § 1, 1995; Ord. No. 4774 § 1(C), 1994; Ord. No. 4643, 1993.)
Figure A
Permitted Signs By Type and Base Zoning District
LIA
LEA
DA
RRD
RRDWA
TP
AR
RR
R1
R2
R3
PC
CO
C1
C2
C3
LC
RC
AS
K
MP
M1
M2
M3
PF
Directiona
l
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
Appurtenant
DR
DR
DR
DR
DR
DR
DR
DR
DR
DR
DR
DR
DR
DR
DR
DR
DR
DR
see 26422(C)
DR
DR
DR
DR
Real Estate
Off-Site
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
Campaign
and
Political
Signs
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
Outdoor
Advertising
Structures
and Signs
UP
UP
UP
UP
ZP
ZP
ZP
ZP
UP
UP
UP
UP
UP
UP
UP
UP
UP
Viticultural
Area Signs
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP
ZP Zoning District
DR Design Review
UP Use Permit
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