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Title 13 — Planning, Zoning and DevelopmentChapter V — DEVELOPMENT STANDARDSArticle 6 — Planned Development

§ 13-58. Development standards.

Costa Mesa Zoning Code · 2026-06 edition · updated 2026-07-25 · Costa Mesa

Table 13-58 identifies development standards in the planned development zones. See also Article 9, General Site Improvement Standards, of this chapter for additional requirements.

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TABLE 13-58
PLANNED DEVELOPMENT STANDARDS
DEVELOPMENT
STANDARD
PDR-LD PDR-MD PDR-HD PDR-NCM PDC PDI
Maximum Density
8 12 20 35 20
per section13-59
MAXIMUM DENSITY
CRITERIA. (dwelling
units per acre)
Note: See North
Costa Mesa
Specifc Plan for
exceptions.
Note: The
maximum density
for 125 East Baker
Street is 58
dwelling units per
acre (C0-13-02).
Note: The
maximum density
for 2277 Harbor
Boulevard is 54
dwelling units per
acre (C0-14-02).
Note: The
maximum density
for 1683
Sunfower Avenue
is 80 dwelling
units per acre (R-
20-01) and
maximum 1,057
Note: The
maximum density
for 1901 Newport
Boulevard is 40
dwelling units per
acre. See North
Costa Mesa
Specifc Plan for
exceptions. Note:
No residential
development is
permitted within the
23.4-acre project
site generally
addressed as 1375
Sunfower Ave. and
3370 Harbor Blvd.
Density in Mixed Use
Projects
The density of the residential component of a mixed use Planned Development shall be calculated by dividing
the total number of dwelling units proposed by that portion of the total site area 1 devoted to residential uses,
including required parking, landscaping, open space, and driveways to serve the residential component. The
density permitted within the residential component shall be determined by the criteria established in section
13-59MAXIMUM DENSITY CRITERIA.
Maximum Site
Coverage
NOTE: Site coverage
of multi-story
projects with
integrated parking
structures shall be
based upon the
usable foor area at
the street or grade
level, exclusive of
parking areas,
driveways, plazas,
courtyards or
pedestrian
walkways.
2
Not applicable 30% outside the
Downtown
Redevelopment
Project Area
35% within the
Downtown
Redevelopment
Project Area
50%
Perimeter Open
Space per section
13-61PERIMETER
OPEN SPACE
CRITERIA.
20 feet abutting all public rights-of-way, excluding alleys (may be reduced in the PDC and PDR-NCM zones
pursuant to section13-61PERIMETER OPEN SPACE CRITERIA).
Open Space 45% of total site area ,
inclusive of Perimeter Open
Space. See section13-60
REQUIRED OPEN SPACE
CRITERIA FOR PLANNED
1
42% of total site area , inclusive of
Perimeter Open Space. See section
13-60REQUIRED OPEN SPACE
CRITERIA FOR PLANNED
DEVELOPMENT RESIDENTIAL. See
1
See Perimeter Open Space and
CHAPTER VI PARKING.
TABLE 13-58
PLANNED DEVELOPMENT STANDARDS
DEVELOPMENT
STANDARD
PDR-LD PDR-MD PDR-HD PDR-NCM PDC PDI
DEVELOPMENT
RESIDENTIAL.
North Costa Mesa Specifc Plan for
exceptions.
Bluff-top Setback. No building or structure closer than 10 feet from bluff crest (see section 13-62(h) ADDITIONAL
DEVELOPMENT STANDARDS).
Maximum Floor Area
Ratio
Refer to
CHAPTER V, ARTICLE 8 FLOOR AREA RATIOS.
Minimum
Development Lot
Area required for a
rezone
1 acre
PARKING (See Chapter VI).
LANDSCAPING (See Chapter VII).
SIGNS (See Chapter VIII).
PROJECTIONS (Maximum depth of projections given)
Roof or Eaves
Overhang; Awning
2 feet 6 inches into required side setback or building separation area.
5 feet into required front or rear setback.
Open, unenclosed
stairways.
2 feet 6 inches into required setback area.
Chimneys 2 feet above maximum building height.
Fireplaces 2 feet into required setback or building separation area
Uses Underroof All nonresidential uses shall be conducted underroof except as allowed by a minor conditional use permit or as
permitted elsewhere in this Zoning Code. Exceptions include sidewalk sales and parking lot sales which are
allowed on the basis of a maximum of 4 sales per fscal year with a maximum length of 3 days per sale and
subject to obtaining a business permit.
Outdoor Storage
(incidental to main
use)
Permitted in nonresidential areas of a planned development when: Storage does not interfere with required
parking or vehicular access; storage is not in required setback area abutting a public right-of-way; storage
does not decrease required landscaping; storage is completely screened from view from street or adjacent
properties; and storage complies with all applicable codes and regulations including, but not limited to, the
Uniform Fire Code. Shipping containers shall also comply with setback requirements for structures, foor area
ratio standards, and parking requirements. A permanent foundation shall be required for shipping containers.
Storage not meeting these criteria requires approval of a minor conditional use permit.
Master Plan
Required
Yes. Preliminary master plan is optional pursuant to section 13-56(a).
Common Interest
Developments
Permitted. Refer to Chapter V, Article 2, common interest developments. In any instance where the
development standards in Chapter V, Article 2 confict with the development standards in this article, the
development standards in this article shall take precedence.
SMALL LOT RESIDENTIAL PROJECTS
TABLE 13-58
PLANNED DEVELOPMENT STANDARDS
Minimum Lot Size 5,000 square feet with an
overall average of 5,500 square
feet. The required perimeter
open space and any common
lot shall not be included in the
calculation of lot size. Note: Lot
sizes may be reduced
proportionately if other useable
open space is provided within
the overall development.
3,000 square feet with an overall
average of 3,500 square feet.
The required perimeter open space
and any common lot shall not be
included in the calculation of lot size.
Note: Lot sizes may be reduced
proportionately if other useable open
space is provided within the overall
development.
Not applicable.
Minimum Lot Width 40 feet
Maximum Number of
Stories & Building
Height
2 stories/27 feet
Note: Lofts, as defned in section13-6, without
exterior access and having only clerestory windows
will not be regarded as a story. See also Attic
discussion below.
Attics Attics shall not
be heated or
cooled, nor
contain any
electrical outlets
or operable
windows.
TABLE 13-58
PLANNED DEVELOPMENT STANDARDS
DEVELOPMENT
STANDARD
PDR-LD PDR-MD PDR-HD PDR-NCM PDC PDI
Attics above
second stories
shall be an
integral part of
the second story
roofine and not
appear as a 3rd
story on any
building
elevation.
Windows in any
attic space
above the
second story
shall be
incidental and
limited to a
dormer style.
Private Open Space
for Individual
Dwelling Unit Lots
40% overall, with a minimum 400 square-foot area
with no dimension less than 15 feet.
Mechanical
equipment, excluding
antennas and fush-
mounted solar
panels on roofs
Roof-top location is prohibited.
Minimum Front
Setback for
Individual Dwelling
Unit Lots
5 feet
_Exception:_If a sidewalk is provided along the front
of the lot, the garage shall be set back less than 9
feet or more than 23 feet from the face of the street
curb.
If a sidewalk is not provided along the front of the
lot, the garage shall be either setback 5 feet or more
than 19 feet from the face of the street curb.
Minimum Side
Setback for
Individual Dwelling
Unit Lots
0 feet on one side; 10 feet combination of both
sides.
Minimum Rear
Setback for
Individual Dwelling
Unit Lots
5 feet
2-car garage
required
Yes
Automatic Garage
Door Opener
Required - if
garage is set
back less than 9
feet from the
face of the street
curb.
Pools and Spas Above-ground pools and spas shall not be located in
the required front yard setback from a public street
and are subject to 5-foot side and rear yard
setbacks for main structures. Additional setbacks
may be applicable pursuant to building code
requirements.
Notes:
1 Site area is defned as the area equal to the original lot size, less the are a occupied by adjacent dedicated streets.
2 Site coverage is defned as that portion of the site area within planned development commercial and industrial projects occupied
by buildings. Site coverage shall not include parking structures, surface parking lots, driveways, plazas, courtyards or sidewalks.
(Ord. No. 97-11, § 2, 5-5-97; Ord. No. 98-5, § 14, 3-2-98; Ord. No. 01-16, § 1m., 6-18-01; Ord. No. 02-9, § 1f, 7-1-02; Ord. No. 04-4, §
3, 4-5-04; Ord. No. 05-3, § 1f., 2-7-05; Ord. No. 07-2, § 1h., 2-6-07; Ord. No. 14-06, § 1, 5-20-14; Ord. No. 16-13, § 3, 11-15-16; Ord.
No. 2024-06, 6/18/2024)

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Contents — Costa Mesa Zoning Code
Costa Mesa Zoning Code
  1. Title 13 — Planning, Zoning and Development
    Overview
    1. Chapter I — IN GENERAL
    2. Chapter II — ZONING DISTRICTS ESTABLISHED
    3. Chapter III — PLANNING APPLICATIONS
    4. Chapter IV — CITYWIDE LAND USE MATRIX
    5. Chapter V — DEVELOPMENT STANDARDS
    6. Chapter VII — LANDSCAPING STANDARDS
    7. Chapter VIII — SIGNS
    8. Chapter IX — SPECIAL LAND USE REGULATIONS
    9. Chapter X — NONCONFORMING USES, DEVELOPMENTS AND LOTS
    10. Chapter XI — SUBDIVISIONS
    11. Chapter XII — SPECIAL FEE ASSESSMENTS
    12. Chapter XIII — NOISE CONTROL
    13. Chapter XIV — OIL DRILLING
    14. Chapter XV — GROUP HOMES
    15. Chapter XVII — AFFORDABLE HOUSING ORDINANCE

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