Division 10.3 — PRIVATE STREET REGULATIONS

City of Los Angeles Zoning Code Chapter 1A

The intent of this Division (Private Street Regulations) is: to prescribe rules and regulations governing

the platting and division of land as lots or building sites which are contiguous or adjacent to private road easements; to provide for the filing and approval of private street maps; to provide for the

approval of private road easements as private streets; to provide for the naming of private streets; and

to require that lots or building sites which are contiguous or adjacent to private streets conform to the

minimum requirements of this Zoning Code (Chapter 1A) before permits may be issued.

Sec. 10.3.1. (Intent) Established by Ord. 188,418, Eff. 01/20/2025, Oper. 01/27/2025

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Streets & Parks | ARTICLE 10 Div. 10.3. (Private Street Regulations)

City of Los Angeles Zoning Code Chapter 1A

A. No person shall plat or divide land as lots or building sites which are contiguous or adjacent

to a private road easement, and no person shall be granted a building permit for such a lot or building site unless a private street map has been first filed with and approved by the Director in

accordance with the provisions of this Division (Private Street Regulations) .

B. When private streets have been laid out and designated as such to a recorded subdivision map or

on a filed record of survey map, the provisions of this Division (Private Street Regulations) shall not

apply thereto.

C. When a developed residential lot or building site has its access driveway located within a private

road easement that existed and was recorded prior to September 6, 1961, the private road

easement is deemed to have been approved in accordance with the provisions of this Division

(Private Street Regulations) and may be continued. Further, on such lot or building site, additions and modifications may be made to such dwelling unit, and accessory buildings may be erected on

said lot if no additional dwelling units are created.

Sec. 10.3.2. (Applicability) Established by Ord. 188,418, Eff. 01/20/2025, Oper. 01/27/2025

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Streets & Parks | ARTICLE 10 Div. 10.3. (Private Street Regulations)

City of Los Angeles Zoning Code Chapter 1A

The provisions of this Division (Private Street Regulations) shall not be construed as authorizing the

subdivision of land without fully complying with the provisions contained and set forth in Article 11.

(Division of Land) . However, the provisions of this Division (Private Street Regulations) may be met

by complying with the provisions of Article 11. (Division of Land) relating to subdivisions, without the necessity for filing a private street map in addition to the subdivision maps required by Article 11.

(Division of Land) .

Sec. 10.3.3. (Subdivisions) Established by Ord. 188,418, Eff. 01/20/2025, Oper. 01/27/2025

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Streets & Parks | ARTICLE 10 Div. 10.3. (Private Street Regulations)

See Sec. 13B.7.7. (Private Street Map) .

Sec. 10.3.4. (Procedure) Established by Ord. 188,418, Eff. 01/20/2025, Oper. 01/27/2025

City of Los Angeles Zoning Code Chapter 1A

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Streets & Parks | ARTICLE 10 Div. 10.3. (Private Street Regulations)

All private streets, lots, or building sites shall conform to the following regulations:

A. Boulevards, Avenues & Collector Streets

City of Los Angeles Zoning Code Chapter 1A

The location, widths, and alignment of all private streets shall conform: to the location, widths, and

alignment of all boulevards, avenues, and collector streets designated on the Citywide General

Plan Circulation System maps of the Circulation Element of the General Plan; to any proceedings

for any public improvement; and to any subdivision map that has been tentatively approved.

B. Local Street Alignment

All private streets, as far as practical, shall be in alignment with existing public streets or private

streets and their proper projections or prolongations, provided however that where the property being divided into lots or building sites is large enough, a modified curve street layout may be

permitted.

C. Private Street Width

All private streets shall be designed to conform with private street standards adopted by the City

Planning Commission as provided in Sec. 10.1.1. (Street Standards) .

D. Street Grades

On hillside or mountain streets comprising a through route, a grade in excess of six percent shall

not be permitted unless a grade not to exceed eight percent will obviate an excessive curvature

or eliminate excessive cuts. Grades of all streets shall be as low as possible, consistent with the

advantageous development of the proposed platting and division of land. The grade of any street of more than local traffic needs shall not exceed 10 percent. No local street grade shall exceed 15

percent.

E. Curves & Tangents

A minimum centerline radius of at least 75 feet shall be used on winding mountain streets, a minimum centerline radius of at least 500 feet shall be used on all through traffic streets. In flat

areas, curves on local streets shall have radii as long as possible, consistent with local conditions.

The tangent distance between reversed curves shall not be less than 50 feet.

F. Intersections

Private street intersections shall be as nearly at right angles as practicable.

G. Effect on Adjoining Property

Private street layouts shall be designed to provide access to and not impose undue hardship upon

property adjoining the proposed division of lands.

Sec. 10.3.5. (Private Street Standards) Established by Ord. 188,418, Eff. 01/20/2025, Oper. 01/27/2025

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Streets & Parks | ARTICLE 10 Div. 10.3. (Private Street Regulations)

H. Cul-De-Sacs (Dead-End Streets)

City of Los Angeles Zoning Code Chapter 1A

Cul-de-sacs shall be permitted only where through streets are not practical, or where good

neighborhood design suggests their use. Adequate provisions for turning shall be made at the

end of each cul-de-sac by providing a circle or other area with a minimum overall radius of 42

feet. In the case of unusual topographic conditions, a “T” or “Y” turn may be permitted. The legs of

the “T” or “Y” turn shall have a minimum paved surface 12 feet in width and 20 feet in length, the

minimum radius between each leg and the street shall be 20 feet.

I. Rounding Block Corners

At all block corners, the property line shall be rounded or cut back. Intersection corners on the

private street prolongation of boulevards, avenues, and collector streets shall be rounded with 20 foot radius curves and all other corners shall be rounded with 15-foot radius curves, provided that where business development is indicated, a diagonal cut-off substantially equivalent to rounding

may be used in order to aid building construction, in which case at right-angle intersections a substantial equivalent shall be a 10-foot by 10-foot cutoff.

J. Improvements, Drainage & Sewage

1. All private streets and all lots and building sites laid out contiguous or adjacent to private

streets shall have approved drainage facilities and the method for sewage disposal shall be

approved by the Bureau of Engineering, Bureau of Sanitation, and the Los Angeles County

Health Department.

2. All such private streets shall be graded and improved to an approved width and grade. The

street grading and improvement shall include surface improvements, fire hydrants and water

mains, catch basins, pipe culverts, sanitary sewers, where reasonably available, and storm

drains, where required. Drainage easements shall be improved to an approved manner.

3. Boulevards, avenues, and collector streets shall be graded to an approved width and improved

to an approved width and grade necessary for the general use of lot owners adjoining said private street and local neighborhood traffic and drainage needs.

4. Where street improvements, drainage or sewers are required to be constructed on a private

street, plans and profiles showing the grades and the nature and extent of the required improvements shall be filed with the City Engineer for approval, the checking of plans,

inspections, supervision, and other services rendered in connection with the construction

of required improvements shall be accomplished under permits in accordance with the

provisions of Chapter VI. (Public Works and Property), Sec. 62.105. (Streets, Sidewalks and

Other Improvements - Permits Required) of this Code.

5. Where improvements have been previously constructed in a private street, plans and profiles

showing the grades, nature and extent of the existing improvements shall be filed with the City

Engineer for their approval and the plans shall be checked and where additional construction

is required, the additional construction shall be inspected and supervised, and all services

Sec. 10.3.5. (Private Street Standards) Established by Ord. 188,418, Eff. 01/20/2025, Oper. 01/27/2025

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Streets & Parks | ARTICLE 10 Div. 10.3. (Private Street Regulations)

City of Los Angeles Zoning Code Chapter 1A

rendered in connection with the existing or required improvements shall be accomplished

under permit in accordance with the provisions of Chapter VI. (Public Works and Property),

Sec. 62.105. (Streets, Sidewalks and Other Improvements - Permits Required) of this Code.

6. A private street map or a portion of a map that includes land within a local drainage district

established pursuant to Sec. 11.3.7. (Maps, Local Drainage Districts, Exemption from Fees), shall

comply with the provisions and requirements of the ordinance establishing such district.

K. Conformance To General Plan

1. Each private street map shall be designed in compliance with the property's zoning or may be

approved or amended by the City Council.

2. Each private street map shall substantially conform to all other elements of the General Plan as

adopted by the City Council.

Sec. 10.3.5. (Private Street Standards) Established by Ord. 188,418, Eff. 01/20/2025, Oper. 01/27/2025

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Streets & Parks | ARTICLE 10 Div. 10.3. (Private Street Regulations)

City of Los Angeles Zoning Code Chapter 1A

At or near the entrance of each intersection of a private street with a dedicated public street or with

another private street, the applicant shall erect and maintain a sign post to which is attached a sign,

having an area of at least 15 inches by 21 inches, upon which is printed and clearly legible in at least

two-inch letters the name of the private street and the words “PRIVATE STREET,” in at least one-inch

letters the words “NOT DEDICATED FOR PUBLIC USE OR MAINTAINED BY THE CITY OF L.A. (LAMC Sec. 10.3.6.)". The words, letters and figures of the sign shall be substantially arranged in the following

manner:

(NAME OF STREET),

PRIVATE STREET

NOT DEDICATED FOR PUBLIC USE

OR MAINTAINED BY CITY OF L.A.

(LAMC Sec. 10.3.6.)

Sec. 10.3.6. (Private Street Signs) Established by Ord. 188,418, Eff. 01/20/2025, Oper. 01/27/2025

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Streets & Parks | ARTICLE 10 Div. 10.3. (Private Street Regulations)

See Sec. 13B.7.7. (Private Street Map) .

Sec. 10.3.7. (Director Approval & Appeals) Established by Ord. 188,418, Eff. 01/20/2025, Oper. 01/27/2025

City of Los Angeles Zoning Code Chapter 1A

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Streets & Parks | ARTICLE 10 Div. 10.3. (Private Street Regulations)

City of Los Angeles Zoning Code Chapter 1A

A. Private street names shall be established or changed pursuant to the procedures set forth in this

Division (Private Street Regulations) in the event no private street map is required under Sec. 10.3.2.

(Applicability) or Sec. 13B.7.7. (Private Street Map) .

B. Applications to establish or change the name of a private street shall be filed with the City

Engineer. Applications shall be signed by a majority of the owners of properties abutting the private

street or that portion of the street to be named or renamed, and be accompanied by:

1. Payment of the required application processing fees;

2. A map, drawn to scale, delineating the location, extent, width, and alignment of the private

street, the approximate location and frontage dimensions of said lots on said street, and the

location of existing public streets which it may ingress or egress; and

3. Identity of the maker of the map, and the names and addresses of owners of record of

property abutting the private street or that portion of the street to be named or renamed.

C. The City Council may initiate proceedings to name or rename a private street. In such event, the

City Council action shall be referred to the City Engineer. That office shall process the action in the

manner set forth in Subsection E. (Private Street Names) below, and, if necessary or appropriate under the circumstances, shall prepare a map in the manner which satisfies the requirements set

forth in Paragraph 2. of Subsection B. (Private Street Names) above.

D. Where there is an application filed to name or rename a private street and no new private street

map is required pursuant to Sec. 13B.7.7. (Private Street Map), or there is a City Council-initiated

request, a private street may be named or renamed to a requested new name and the necessary

documents recorded by the City Engineer with respect to the new name, pursuant to the following

procedure:

1. The City Engineer shall determine whether the proposed new name or change of name of a

street is in the public interest and will not create confusion, be misleading, be unduly long, or carry connotations offensive to good taste and decency.

2. The City Engineer shall give notice of the proposed new street name or name change to the

record owners and occupants of all real property abutting such private street. The notice shall

designate the location of the private street or portion of the street to which the proposed new name is to apply. The street, or the affected portion of the street, shall be described in

the notice with reference to other streets, and by the name or names, if any, which it bears

or by which it, or any portion of it, may be or may have been known, and the notice shall also

state the proposed new street name. The notice shall further set forth whether or not the City

Engineer’s determination recommends disapproval of the proposed name for reasons provided

in Paragraph 1. of this Subsection, and shall state that any written objections with respect to

the proposed new name or name change or the City Engineer’s recommendation, shall be

Sec. 10.3.8. (Private Street Names) Established by Ord. 188,418, Eff. 01/20/2025, Oper. 01/27/2025

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Streets & Parks | ARTICLE 10 Div. 10.3. (Private Street Regulations)

City of Los Angeles Zoning Code Chapter 1A

filed with the City Engineer within 30 days after a date designated on the notice as applicable

for said purpose, and that the objections shall be signed by each person so objecting.

3. In the event any objections are filed within the 30-day time limit, or any objections are filed

with respect to a City Engineer’s recommendation of disapproval within the 30-day time limit,

the City Engineer shall forward these, together with the City Engineer’s determination and recommendations and the applicable file to the City Council. The City Council shall set the

matter for hearing and the City Clerk shall thereupon notify by mail each person objecting to

the proposed street name or to the City Engineer’s recommendation of disapproval and inform that person of the time and place for hearing. At the time specified, the City Council shall hear

all objections and shall thereafter approve or disapprove the proposed street name. The City Council’s decision shall be final and conclusive.

4. In the event no objections are filed with the City Engineer within 30 days of the date

prescribed on the notice, and the City Engineer has not recommended disapproval of the

proposed new name, the application for that name shall be deemed approved. In the event the

City Engineer has recommended disapproval of the proposed name, and no objections to that recommendation have been filed, the application shall be deemed denied.

5. If the new name is either approved by the City Council, or in the event no City Council

hearing was required and the application is deemed approved, the new private street name shall be effective, and the City Engineer shall cause any necessary indexing or recordation

of documents to be accomplished and shall provide a copy of the determination to all City Departments rendering emergency service to the affected properties and to the United States

Postal Service.

E. The approval or deemed approval of a private street name as provided for in this Division (Private

Street Regulations) is not, and shall not be construed to be, an acceptance of a private street as a

public street, nor shall it create any public warranty or liability or legal status as a public street, nor

should it be so construed.

Sec. 10.3.8. (Private Street Names) Established by Ord. 188,418, Eff. 01/20/2025, Oper. 01/27/2025

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Streets & Parks | ARTICLE 10 Div. 10.4. (Parks Fees & Dedications)