HomeMy WebLinkAboutPH-1 - 25-613 - Attachment 3 - Checklist - 1/20/2026ECONOMIC & DEVELOPMENT SERVICES DEPARTMENT
77 FAIR DRIVE, POST OFFICE BOX 1200, COSTA MESA CA. 92628-1200
Building Safety Division (714) 754-5273 Community Improvement Division (714) 754-5638
Housing & Community Development (714) 754-4870 Planning Division (714) 754-5245
www.costamesaca.gov
1 | Page
DRAFT
TWO UNIT SMALL LOT ORDINANCE
SUBDIVISION CHECKLIST
Project Address:
Accessors Parcel Number (APN):
General requirements
To qualify as a ministerial approval project, the project must comply with all the
following development standards. Indicate below if the project complies:
Table 13-42
SMALL LOT SUBDIVISION STANDARDS
STANDARDS
SINGLE-FAMILY UNITS
(located on individual dwelling unit lots
and excluding townhouses)
Compliance?
Yes No
Maximum Number of
Stories & Building Height
2 stories/27 feet, except as allowed in the
Westside Overlay Districts. Flat roofs do not
exceed 22 feet.
Note: Lofts, as defined in section 13-6,
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. In zoning districts where the
maximum number of stories is two stories,
attics above second stories shall be an
integral part of the second story roofline 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.
Maximum Density (based on
gross acreage)
The project proposes no more than two
units. The maximum permitted density is the
ECONOMIC & DEVELOPMENT SERVICES DEPARTMENT
77 FAIR DRIVE, POST OFFICE BOX 1200, COSTA MESA CA. 92628-1200
Building Safety Division (714) 754-5273 Community Improvement Division (714) 754-5638
Housing & Community Development (714) 754-4870 Planning Division (714) 754-5245
www.costamesaca.gov
2 | Page
Table 13-42
SMALL LOT SUBDIVISION STANDARDS
STANDARDS
SINGLE-FAMILY UNITS
(located on individual dwelling unit lots
and excluding townhouses)
Compliance?
Yes No
same as underlying zoning district or as
specified in an applicable specific plan.
Minimum Open Space
(development lot)
35% of total lot area. No asphalt shall be
permitted for paved areas. Parking and
driveways shall consist of decorative
concrete, pavers or other materials as
deemed appropriate by the Development
Services Director. This requirement may be
decreased to a minimum of up to 30%, if the
difference in the area is provided as
additional open guest parking, located in a
common area, and not exclusive for any
specific unit.
Minimum Open Space
(individual unit)
200 square feet with no dimension less than
10 feet.
Development Lot Separately owned private property interests
or any portion thereof, necessary or
desirable for common use, are subject to
recordation of an easement for reciprocal
access and maintenance.
Parking • Three-bedroom or more units (including a
den or home office) – 2 garage spaces and 2
open parking spaces.
• Two-bedroom or less units (including a
den) – 2 garage spaces and one open
parking.
• No tandem parking is permitted for open
or guest parking spaces.
• For all small lot developments subject to
the provisions of this article, all open parking
not located within an individual driveway
shall be unassigned and nonexclusive.
ECONOMIC & DEVELOPMENT SERVICES DEPARTMENT
77 FAIR DRIVE, POST OFFICE BOX 1200, COSTA MESA CA. 92628-1200
Building Safety Division (714) 754-5273 Community Improvement Division (714) 754-5638
Housing & Community Development (714) 754-4870 Planning Division (714) 754-5245
www.costamesaca.gov
3 | Page
Table 13-42
SMALL LOT SUBDIVISION STANDARDS
STANDARDS
SINGLE-FAMILY UNITS
(located on individual dwelling unit lots
and excluding townhouses)
Compliance?
Yes No
Distance Between Buildings
(development lot)
6 feet minimum
Driveway Width
(development lot)
10-foot minimum, except 16-foot minimum
driveway is required if the driveway serves
tenants and/or guest parking for more than
one dwelling unit. Driveway width shall be a
maximum of 26 feet for lots less than 50 feet
wide and a maximum of 50% for lots greater
than 50 feet wide.
Driveway Length Straight-in driveways to garages shall have a
minimum length of 19 feet from the ultimate
public or private right-of-way. No driveways
shall be more than 5 feet in length if parking
is not provided in front of garage.
Driveways accessing rear parcels shall be in
compliance with the requirements of the
Parking Design Standards, minimum
separation between driveways and maximum
50% hardscape requirement.
Mechanical Equipment
(excluding antennas and
flush-mounted solar panels
on roofs)
Roof-top location is prohibited unless
completely screened from public rights-of-
way and adjacent properties.
Development Lot Front
Setback
20 feet
Development Lot Side Yard
Setback (interior)
5 feet. Additional setbacks are required for
second story side elevations, see below.
Development Lot Side
Setback (street side, if
applicable)
10 feet
Note: Driveways providing straight-in access
from a public street to a garage shall be at
least 19 feet long, as measured from the
ultimate public or private right-of-way.
ECONOMIC & DEVELOPMENT SERVICES DEPARTMENT
77 FAIR DRIVE, POST OFFICE BOX 1200, COSTA MESA CA. 92628-1200
Building Safety Division (714) 754-5273 Community Improvement Division (714) 754-5638
Housing & Community Development (714) 754-4870 Planning Division (714) 754-5245
www.costamesaca.gov
4 | Page
Table 13-42
SMALL LOT SUBDIVISION STANDARDS
STANDARDS
SINGLE-FAMILY UNITS
(located on individual dwelling unit lots
and excluding townhouses)
Compliance?
Yes No
Development Lot Rear Yard
setback (interior)
15 feet
Development Lot Rear
Setback Abutting a Publicly
Dedicated Alley
5 feet; however, garages may be required to
be set back further to ensure adequate back
up distance. Rear Yard Coverage does not
apply.
Flag Lots and Alley Fronting
Lots
Flag lots are required to be accessed with a
minimum 16-foot wide driveway unless
serving one unit in which case a minimum of
driveway width of 10-feet shall be provided.
Parcels with alley frontage should include a
minimum 8-foot wide pedestrian access to
the public street in the front. Parcels with
frontage only on public alleys are prohibited.
Bluff Top Setback No building or structure closer than 10 feet
from bluff crest (see section 13-34 Bluff-top
development).
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
Not permitted
Chimneys May extend 2 feet above maximum building
height.
Fireplaces 2 feet into required setback or building
separation area
Automatic Roll-Up Garage
Doors
Required
Location of Open Parking Guest parking shall be located within a
reasonable distance of the unit it serves.
Detached garages that are not located within
ECONOMIC & DEVELOPMENT SERVICES DEPARTMENT
77 FAIR DRIVE, POST OFFICE BOX 1200, COSTA MESA CA. 92628-1200
Building Safety Division (714) 754-5273 Community Improvement Division (714) 754-5638
Housing & Community Development (714) 754-4870 Planning Division (714) 754-5245
www.costamesaca.gov
5 | Page
Table 13-42
SMALL LOT SUBDIVISION STANDARDS
STANDARDS
SINGLE-FAMILY UNITS
(located on individual dwelling unit lots
and excluding townhouses)
Compliance?
Yes No
a reasonable distance to the units they are
intended to serve are prohibited.
Trash Storage All units shall be provided with a small alcove
inside or outside the unit to allow storage of
at least three trash carts without encroaching
into the garage space.
All efforts shall be made to provide on-site
trash service. Trash carts shall be stored on-
site for trash pick up to the greatest extent
possible.
Above-Ground Pools and
Spas
Prohibited in front yards and subject to 5-
foot side and rear setback from the main
structures.
LANDSCAPING
A detailed landscape plan prepared pursuant to Chapter VII Landscaping
Standards shall be approved by the Planning Division prior to issuance of
any building permits. A preliminary plan shall include number of plants
and plant materials compliant with the CMMC.
FENCES AND WALLS
Fences and walls placed between the property line and required setback
line for main buildings shall conform to the city's walls, fences, and
landscaping standards. See Article 9 General Site Improvement Standards
of this chapter for further information.
UTILITIES
Installation or relocation of utility equipment or facilities is obscured from
view from any place on or off the property.
Utilities are shown to be installed underground on the building site in
accordance with the serving utilities rules, regulations and tariffs on file
with the state public utilities commission.
TWO UNIT CONVERSION PROJECTS
ECONOMIC & DEVELOPMENT SERVICES DEPARTMENT
77 FAIR DRIVE, POST OFFICE BOX 1200, COSTA MESA CA. 92628-1200
Building Safety Division (714) 754-5273 Community Improvement Division (714) 754-5638
Housing & Community Development (714) 754-4870 Planning Division (714) 754-5245
www.costamesaca.gov
6 | Page
Table 13-42
SMALL LOT SUBDIVISION STANDARDS
STANDARDS
SINGLE-FAMILY UNITS
(located on individual dwelling unit lots
and excluding townhouses)
Compliance?
Yes No
Projects proposing to subdivide a property with two existing units shall
comply with all development standards listed above within this table.
RESIDENTIAL DESIGN GUIDELINES. PROJECTS THAT DO NOT COMPLY WITH THE
FOLLOWING REQUIRE MINOR DESIGN REVIEW.
Second-story floor areas does not exceed 100% of the first-story floor area
(including garage area, if attached). Open balconies are included in the
footprint area of the second floor
The second-story interior side building elevation is setback an average of
10 feet at a minimum, but shall be no closer than 5 feet from the side
property line.
Exception: This requirement would not apply to the following:
a) The distance between dwelling units within the same development
in multiple family residential zones; or
b) The initial development in planned development zones (subsequent
additions would be subject to this requirement); or
c) Second-story additions to existing residences with current side yard
setbacks that are less than 10 feet; provided that the current width of
the side yard is not further decreased. A minimum 5-foot setback
shall be required; or
d) Two -story new construction with less than 2,700 square feet of living
area (not including garage).
e) e. Two -story new construction over 2,700 square feet in area (not
including garage) with up to 50 percent lot coverage as defined by
Article 2 of Title 13 (Zoning Code).
Second-story windows on side elevations do not have direct views into the
windows of existing neighboring structures or private yard areas and a
view study is provided. The study shows that there are no windows directly
facing neighboring windows or overlooking neighboring private yard
areas.
Second-story floor-to-ceiling dimension is equal or less to the first-story
floor-to-ceiling dimension, so that the second story does not appear out of
proportion or top heavy in relation to the first story
ECONOMIC & DEVELOPMENT SERVICES DEPARTMENT
77 FAIR DRIVE, POST OFFICE BOX 1200, COSTA MESA CA. 92628-1200
Building Safety Division (714) 754-5273 Community Improvement Division (714) 754-5638
Housing & Community Development (714) 754-4870 Planning Division (714) 754-5245
www.costamesaca.gov
7 | Page
Application requirements checklist
To process a ministerial two unit small lot radiance project, you will need to apply for a
Tentative Parcel Map Application on TESSA. Please submit the following documents with
your application:
Tentative Parcel Map: The required plans for a Tentative Tract/Parcel Map must contain
the following information:
1. Title of subdivision and legal description of property
2. Name and address of owner and subdivider
3. Name and address of person preparing map
4. Approximate acreage (gross and net)
5. North arrow
6. Scale: Large enough to be descriptive, depending on area being divided, 1”=100
feet minimum
7. Date of map
8. Boundary lines
9. Name, location, width, and grades of existing adjacent streets
10. Location, width, and grades of proposed streets
11. Cross sections of proposed streets
12. Width of alleys, existing and proposed
13. Width and location of easements and dedications: dimensions of reservations
(proposed and existing)
14. Proposed building site elevations
15. Existing structures
16. Locations of existing and proposed public utilities, sewers, water lines, storm
drains, culverts, etc.
17. Existing watercourses and/or drainage pattern(s) including cross lot drainage.
18. Land subject overflow, inundation, or flood hazard
19. Lot/parcel lines and dimensions
20. Lot/parcel numbers or other designations
21. Approximate radii of curves
22. Lands and parks to be dedicated for public use
23. Contours at 5 foot intervals if slope is grater than 10%
24. Contours at 2 foot intervals if slop is less than 10%
25. Proposed land use: single-family, multi-family, business or industrial
26. Existing property use immediately surrounding the subdivision
ECONOMIC & DEVELOPMENT SERVICES DEPARTMENT
77 FAIR DRIVE, POST OFFICE BOX 1200, COSTA MESA CA. 92628-1200
Building Safety Division (714) 754-5273 Community Improvement Division (714) 754-5638
Housing & Community Development (714) 754-4870 Planning Division (714) 754-5245
www.costamesaca.gov
8 | Page
27. Names/numbers of adjoining subdivisions
Filing of a vesting tentative map, requires the submittal of the following additional
information:
1. At the time a vesting tentative map is filed, it shall have printed conspicuously on its
face the words “Vesting Tentative Map.” This requirement is mandatory and failure to
comply with it will prevent the subdivider from obtaining the benefits of a vesting map.
2. The subdivider must provide the following additional information at the time the
vesting tentative map is filed:
a. The maximum height, total square footage, and general location of all future
buildings on the subject property (include one 11” x 17” site plan containing this
information);
b. The proposed location and size of connections to sewer, water, storm drain, and
roadways;
c. A preliminary grading plan indicating reasonable approximation of site cut and
fill (cubic yards) along with any required geological studies;
d. Methodology of satisfying storm water runoff and the estimated amount of storm
water runoff in CFS (cubic feet per second);
e. School impact analysis for grades k through 12;
f. Traffic impact analysis, as required by CEQA;
g. Conceptual building signing program;
h. Any other material considered essential to the proper evaluation of the project
(i.e., open space maintenance responsibilities, provisions made for trails and/or
parks and their maintenance responsibilities).
3. A vesting tentative map cannot be accepted for filling unless all other discretionary
land use approval applications are already approved or are filed concurrently with the
map.
4. If the vesting tentative map accompanies a project that is inconsistent with the zoning
ordinance in existence at the time of filling, such inconsistency shall be noted on the
map by the subdivider.
For the following submission requirements, please see the E-submittal Requirements
guide for details on what should be included with each document.
1. Parcel Map Fee
2. Applicant Letter
3. Project Plans
ECONOMIC & DEVELOPMENT SERVICES DEPARTMENT
77 FAIR DRIVE, POST OFFICE BOX 1200, COSTA MESA CA. 92628-1200
Building Safety Division (714) 754-5273 Community Improvement Division (714) 754-5638
Housing & Community Development (714) 754-4870 Planning Division (714) 754-5245
www.costamesaca.gov
9 | Page
4. Draft organizational documents and/or maintenance agreement for common
lot areas
5. Additional fees will be assessed prior to building permit issuance including
Parkland Impact Fees and Traffic Impact Fees. Outside agencies will also assess
impact fees.
ONLINE PORTAL (TESSA): TESSA will help you submit, pay for, and track all planning
land use or development applications and requests. All applications and requests must be
submitted through TESSA. First time users will need to set up an online account with
TESSA to manage your project. Please make an appointment with the Planning Division if
you need access to a computer or help setting up an account.