Required Documents

ZERMIT

Permit Guides California Los Angeles Bathroom R emodel R equirements

B athroom Remodel P ermit Re qu ired D o cu ments in L os Angeles

Applying for a bathroom remodel permit in Los Angeles requires submitting specific documents that describe the scope of work and confirm compliance with building codes.

The Los Angeles Department of Building and Safety (LADBS) reviews these documents to ensure renovation projects meet safety, structural, plumbing, electrical, and energy

efficiency standards.

The documents required for a bathroom permit may vary depending on the complexity of the renovation. Simple remodeling projects that qualify for express permits typically

require minimal documentation, while projects involving structural changes, layout modifications, or system upgrades may require a full plan review with detailed construction

drawings.

Basic Permit Application Information

All bathroom permit applications submitted to LADBS must include basic project information that describes the proposed work. This information allows the city to identify

the property, verify project scope, and determine permit eligibility.

Typical application details include :

Project address and property informatio n

Description of the renovation work being performe d

E stimated project valuatio n

O ccupancy type or building us e

Applicant information (contractor, owner, architect, or agent )

Permit applications must also be signed by the permit applicant or an authori z ed representative.

Construction Plans and Drawings

Bathroom remodel projects that require plan review must include construction drawings that illustrate both the existing conditions and the proposed modifications.

These plans help building officials evaluate the layout, safety compliance, and technical details of the project.

Common plan documents may include :

E xisting and proposed bathroom fl oor plan s

Layout showing fixture locations such as sinks, toilets, showers, and bathtub s

W all modifications or layout change s

Structural details when framing or load - bearing elements are a ff ecte d

Plans must clearly show all proposed changes to the building structure and interior layout.

Plumbing Plans

Projects that modify plumbing systems typically require plumbing plans. These documents show how fixtures connect to water supply and drainage systems.

Plumbing plans may include :

Fixture locations and plumbing connection s

W ater supply piping route s

Drainage and vent piping configuratio n

I nstallation or relocation of toilets, sinks, showers, or bathtub s

These plans help inspectors verify compliance with plumbing codes and ensure proper installation of water and waste systems.

E lectrical Plans

I f the bathroom remodel involves electrical work, the permit application may require electrical drawings showing the layout of circuits and fixtures.

E lectrical plans may include :

Location of lighting fixture s

E lectrical outlets and switche s

GFC I protected receptacle s

V entilation fan wirin g

N ew or modified electrical circuit s

These drawings ensure the project meets electrical safety requirements and proper circuit protection standards.

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Mechanical and Ventilation Documentation

Bathroom renovations that involve ventilation systems may require mechanical documentation describing the exhaust fan system and air fl ow.

Mechanical documentation may include :

E xhaust fan specifications and air fl ow capacit y

Duct routing and termination location s

V entilation details required for moisture contro l

Proper bathroom ventilation is required to meet health and building safety standards.

S tructural Calculations ( If R e q uired )

I f a bathroom remodel includes structural changes such as modifying load - bearing walls or framing elements, structural calculations may be required. These calculations

must typically be prepared and signed by a licensed architect or structural engineer.

I f a bathroom remodel includes structural changes such as modifying load - bearing walls or framing elements, structural calculations may be required. These calculations

must typically be prepared and signed by a licensed architect or structural engineer.

T itle 24 E nerg y Compliance Documents

Bathroom remodeling projects that modify lighting systems or ventilation equipment may require Title 24 energy compliance documentation. These forms demonstrate

that the project meets California energy efficiency standards for residential buildings.

Common energy compliance documents may include :

R esidential lighting compliance form s

V entilation efficiency documentatio n

R egistered energy compliance forms submitted with the permit applicatio n

These forms help ensure the renovation meets California energy efficiency regulations.

Contractor and Applicant Documentation

Additional documents may be required depending on who is applying for the permit.

These may include :

Contractor license informatio n

W orkers ˇ compensation documentatio n

O wner - builder declaration if the homeowner pulls the permi t

Authori z ation letter if an agent submits the application on behalf of the owne r

These documents confirm that the applicant is authori z ed to perform or manage the permitted construction work.

Preparing Documents for O nline S ubmission

Most permit applications in Los Angeles are submitted through the city ˇ s digital plan review system. Construction plans and supporting documents typically must be

uploaded as digital files, often in PDF format.

Applicants should ensure that plans are clearly labeled, properly formatted, and include all required project information before submitting the permit application.

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