18-2 ZONES ESTABLISHED – ZONING MAP.

The City of Clearlake is divided into the nine (9) base zoning districts that are established by Table 1. The creation of these zoning districts is consistent with the land use and community character designations used in the Clearlake General Plan.

Table 1. Clearlake Base Zoning Districts

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District Principal
Abbreviation Character Description
Name Function
Residential Zoning Districts
RR Rural Low Density The Rural Residential District is intended to provide for lower
Residential Single-Family density residential development, such as single-family homes
Homes on larger sized lots with a density not to exceed 1 unit to the
acre. For larger parcels, exceeding 1 acre in size, agricultural
uses are permitted. This zoning district is consistent with the
Low Density Residential Land Use Designation in the General
Plan.
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The Clearlake Municipal Code is current through Ordinance 286-2026, passed April 2, 2026.

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Table 1. Clearlake Base Zoning Districts

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District Principal
Abbreviation Character Description
Name Function
LDR Low Variety of The Low Density Residential District is intended to provide for
Density Residential a variety of residential products ranging from single-family to
Residential Products multifamily with an urban character with a density not to
exceed 8 units to the acre.
MDR Medium Medium The Medium Density Residential District is intended to provide
Density Density with for medium density single-family attached and detached and
Residential Single- and some multiple-family products not exceeding 15 units per
Multiple-Family acre. This zoning district is consistent with the Medium Density
Products Residential Land Use Designation in the General Plan.
HDR High Higher Density The High Density Residential District is intended to provide for
Density Multifamily higher density multifamily products with a minimum of 10 to a
Residential Residential maximum of 25 units per acre. This zoning district is
Products consistent with the High Density Residential Zoning
Designation of the General Plan.
Mixed-Use and Commercial Zoning Districts
MUX Mixed-Use Medium and The Mixed-Use District is intended to allow a mixture of
High Density residential and commercial uses which can be made
Residential compatible with each other. This district provides a balanced
and Low mix of residential and employment opportunities to create
Impact focal points of activity in the form of mixed-use centers, nodes,
Commercial or corridors. The Mixed-Use Districts support service
Uses commercial, employment, and housing needs of a growing
community. The maximum allowed density in the MUX Zone is
25 units per acre. This Zoning District is consistent with the
Mixed-Use Designation of the General Plan.
DC Downtown Low-Impact The Downtown Commercial Mixed-Use District is intended to
Commercial Commercial, provide for low-impact commercial uses in a downtown setting
Mixed-Use Administrative, with limited residential uses. It allows the adaptive re-use of
Commercial and existing buildings and may allow for some residential if located
Residential on upper floors. This zoning district is consistent with the
Uses Commercial Land Use Designation of the General Plan.
GC General Variety of The Commercial District is intended to provide for a broad
Commercial Commercial range of retail, restaurant, entertainment, office institutional
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The Clearlake Municipal Code is current through Ordinance 286-2026, passed April 2, 2026.

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Table 1. Clearlake Base Zoning Districts

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District Principal
Abbreviation Character Description
Name Function
and and service uses. Buildings are scaled commensurate with
Administrative their respective site, with independent sites and centers that
Uses are appropriate of SR 53 and other major corridors. Smaller
scaled buildings are located in commercial subdivisions or in
areas that are transitions to downtown. This zoning district is
consistent with the Commercial Land Use Designation of the
General Plan.
Other Commercial and Industrial Zoning Districts
IN Industrial Variety of The Industrial District is intended to provide for more intensive
Industrial and industrial and commercial uses and airports. This zoning
Heavy district is consistent with the Industrial Land Use Designation
Commercial of the General Plan.
Uses
Open Space Zoning Districts
O Open Space Open Space The Open Space and Parks District is intended to preserve
and Parks open space that may include parks and recreation areas. This
zoning district is consistent with the Open Space Land Use
Designation of the General Plan.
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District Principal
Abbreviation Character Description
Name Function
and and service uses. Buildings are scaled commensurate with
Administrative their respective site, with independent sites and centers that
Uses are appropriate of SR 53 and other major corridors. Smaller
scaled buildings are located in commercial subdivisions or in
areas that are transitions to downtown. This zoning district is
consistent with the Commercial Land Use Designation of the
General Plan.
Other Commercial and Industrial Zoning Districts
IN Industrial Variety of The Industrial District is intended to provide for more intensive
Industrial and industrial and commercial uses and airports. This zoning
Heavy district is consistent with the Industrial Land Use Designation
Commercial of the General Plan.
Uses
Open Space Zoning Districts
O Open Space Open Space The Open Space and Parks District is intended to preserve
and Parks open space that may include parks and recreation areas. This
zoning district is consistent with the Open Space Land Use
Designation of the General Plan.
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Notes: Certain public assembly and institutional uses are permitted within the Mixed-Use and Commercial Districts listed above.

(Ord. #271-2025, S2 (Exh. A))

Combining zoning districts are used in combination with the nine (9) base zoning districts to address special needs or characteristics of the areas of the City to which they are applied, including but not limited to potential hazards, scenic areas, special use considerations, such as mobile homes, adult entertainment and commercial cannabis, special areas of consideration, such as the Avenue neighborhood, and special planning treatment, such as specific plans and planned developments.

These combining districts are established that can combine with the base zoning district to address specific needs listed as follows:

The Clearlake Municipal Code is current through Ordinance 286-2026, passed April 2, 2026.

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• a. SP – Specific Plan;

• b. SC – Scenic Corridor;

• c. AV – Avenue;

• d. PD – Planned Development;

• e. AE – Adult Entertainment;

• f. CB – Commercial Cannabis Business.

In the event of any conflict between these combining district regulations and the base zoning district regulations, the combining district regulations shall control. A summary of function and characteristics for the various combining districts is referenced in Table 2 below.

Table 2. Clearlake Combining Zoning District

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Abbreviation District Name Principal Function Character Description
Combining Zoning Districts
SP Specific Plan Application to Specific The SP Combining Zoning District is
Plans per California intended to translate the provisions of
Government Code an adopted specific plan into
Sections 65450 to 65451 regulations for the subsequent
development of land. It will be applied
to areas for which a specific plan has
been adopted or where the General
Plan calls for a specific plan prior to
development, generally within
residential expansion areas.
SC Scenic Corridor Sensitive Review of The SC Combining Zoning District is
Projects Along Highway created to preserve the scenic quality
53 of the land immediately visible from
State Highway 53. This zone is
intended to be combined with other
zones adjacent to scenic highways
and roads.
AV Avenue District Rural and Urban The AV Combining Zoning District is
intended to provide for maximum
flexibility for developing a broad
range of single-family residential
products including manufactured
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The Clearlake Municipal Code is current through Ordinance 286-2026, passed April 2, 2026.

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Table 2. Clearlake Combining Zoning District

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Abbreviation District Name Principal Function Character Description
Combining Zoning Districts
homes to low density, more
traditional single-family homes on
small lots. Development standards
are flexible to encourage innovative
design and character in the building
product.
PD Planned Rural and Urban The PD Combining Zoning District is
Development intended to provide for flexibility in
the application of the zoning
standards to proposed development.
The purpose is to allow consideration
of innovation in site planning and
other aspects of project design and
more effective design responses to
site features, land uses on adjoining
properties and environmental
impacts than the development
standards of the underlying zone
would produce without adjustment.
The City expects each planned
development project to be of
significantly higher design quality,
including more effective and
attractive pedestrian orientation,
environmental sensitivity, energy
efficiency and the more efficient use
of resources, than would be achieved
through conventional design practices
and standards.
AE Adult Urban The AE Combining Zoning District is
Entertainment intended to regulate adult-oriented
businesses which could have serious
secondary effects on the community.
CB Commercial Rural and Urban The CB Combining Zoning District is
Cannabis Business intended to regulate activities
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The Clearlake Municipal Code is current through Ordinance 286-2026, passed April 2, 2026.

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Table 2. Clearlake Combining Zoning District

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Abbreviation District Name Principal Function Character Description
Combining Zoning Districts
and Commercial involved with cannabis which could
Cannabis Retail have secondary effects on the
Dispensary community.
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Notes: Certain public assembly and institutional uses are permitted within the Mixed-Use and Commercial Districts listed above.

(Ord. #271-2025, S2 (Exh. A))

All areas within the City shall be designated within a zoning district. The official Zoning Map, which shall depict all duly adopted zoning districts, is as much a part of these regulations as if it were fully contained in this document. The official Zoning Map shall be maintained by the Community Development Department and for convenience in more easily identifying zone boundaries may be divided into parts. (Ord. #271-2025, S2 (Exh. A))

In accordance with California Government Code Section 65960, the Zoning Code shall be consistent with the General Plan. For the Land Use Element, this means that the base zoning districts, referenced in the Zoning Map, need to be consistent with the General Plan Land Use Map. For example, a commercial zoning district needs to be located within areas designated in the General Plan Land Use Map as being in a Commercial Land Use Designation. Table 3 provides a land use/zoning consistency matrix for the Zoning Code:

Table 3. Land Use Zoning Matrix for Zoning Code

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General Plan Land Use Designation
High Medium Low
Mixed Open
Zoning District Industrial Commercial Density Density Density
Use Space
Residential Residential Residential
RR, Rural Residential X
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The Clearlake Municipal Code is current through Ordinance 286-2026, passed April 2, 2026.

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Table 3. Land Use Zoning Matrix for Zoning Code

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General Plan Land Use Designation
High Medium Low
Mixed Open
Zoning District Industrial Commercial Density Density Density
Use Space
Residential Residential Residential
LDR, Residential Low X X
Density
MDR, Residential X X
Medium Density
HDR, Residential High X X
Density
MUX, Mixed-Use X X X X X
DC, Downtown X
Commercial Mixed
Use
CG, General X
Commercial
I, Industrial X
O, Open Space X
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(Ord. #271-2025, S2 (Exh. A))