Approval Timelines

Plumbing Permit Approval Timeline in Los Angeles

How long does it take to get a plumbing permit in Los Angeles? LADBS timelines for plumbing permits.

Los Angeles Plumbing Permit Timeline Overview

Plumbing permit approval timelines in Los Angeles range from near-instant for simple express permit projects to several weeks for complex systems requiring formal plan check review. Understanding the appropriate permitting pathway for your project helps you plan construction schedules accurately.

Express Permit Timeline for Simple Plumbing Projects

Simple residential plumbing projects that do not exceed plan check thresholds — such as water heater replacements, single fixture additions, or minor drain modifications — qualify for the LADBS express permit process. Express plumbing permits are submitted online through PermitLA and can be approved within minutes to a few business days when the application is complete.

• Typical timeline: same day to 2 business days
• Submitted entirely online through LADBS PermitLA
• No in-person LADBS appointment required

Counter Plan Check Timeline

Plumbing projects of moderate complexity may require a Counter Plan Check at an LADBS district office. Counter Plan Check appointments are available at five LADBS locations throughout Los Angeles and typically result in same-day or next-day review with an appointment.

Regular Plan Check Timeline for Complex Systems

Complex plumbing systems — including large drainage systems, high-pressure gas systems, or projects exceeding the 217 DFU threshold — require a Regular Plan Check. Regular Plan Check review typically takes 3–6 weeks, with expedited review available for an additional fee. Ensuring your submitted plans are complete and accurate from the first submission minimizes correction cycles.

Coordination with Bureau of Engineering for Sewer Permits

Projects involving new sewer lateral connections require coordination with the Bureau of Engineering (BOE) in addition to LADBS. BOE S-Permit processing timelines vary. Beginning the S-Permit application process at the same time as the LADBS plumbing permit application helps avoid sequential delays.

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