LAND DEVELOPMENT SERVICES



Hydrology Study

This content will provide guidance in the preparation and submittal of a hydrology study for review and approval. An approved hydrology study is required prior to the submittal of storm drain plans, water quality plans, or grading plans.


Sewer Area Study

This content will provide guidance in the preparation and submittal of a sewer area study for review and approval as required for subdivision, Conditional Use Permit (CUP), and single lot developments.


Transportation Studies

This content will provide guidance in the preparation and submittal of transportation studies including Transportation Impact Analysis, Queueing Analysis, and Access Management Studies for review and approval.



Grading Plans

This content will provide guidance in the preparation and submittal of grading plans for review and approval as required for subdivision and Conditional Use Permit (CUP) developments. Grading plans for single lots are processed by the local Building and Safety Office – click here for that information.


Landscape Water Efficiency Plans

This content will provide guidance in the preparation and submittal of landscape water efficiency plans for review and approval as required by state law AB 1881 (Model Water Efficient Landscape Ordinance).


Sewer, Pump Station, & Treatment Plant Plans

This content will provide guidance in the preparation and submittal of sewer plans, pump station plans, and treatment plans as required for subdivision, Conditional Use Permit (CUP), and single lot developments.



Storm Drain & Water Quality Device Plans

This content will provide guidance in the preparation and submittal of storm drain plans and water quality plans for review and approval. An approved hydrology study is required prior to the submittal of storm drain plans or water quality plans.


Street & Bridge Plans

This content will provide guidance in the preparation and submittal of road and bridge plans within Los Angeles County public road right of way for review and approval.


Street Lighting Plans

This content will provide guidance in the preparation and submittal of street lighting plans for the installation of new street lights for review and approval.




Final Maps - County Reviewed

The content of this page will provide guidance through the Final Map review and recording process for subdivisions reviewed by the County in the unincorporated areas, and all contract cities of the Los Angeles County.


Final Maps - City Reviewed

The content of this page will provide guidance through the Final Map recording process for subdivisions in the non-contract cities (L.A. City Type) of the Los Angeles County, where the technical review of the final map is conducted by the respective City.


Final Maps - Easement Documents

The content of this page will provide guidance through the review and recording process of the easement dedications to the County of Los Angeles by Separate Documents in the unincorporated areas.


Final Maps - Certificate of Correction

The content of this page will provide guidance through the Certificate of Correction review and recording process for subdivisions in the unincorporated areas, and all 88 cities of the Los Angeles County.



Land Development Resources

The content of this page will provide reference materials, documents, forms, and publications associated with the Land Development Services.


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