Public Works

Our Construction Management and Permitting service is your one-stop solution for navigating building regulations in Los Angeles County. Whether you are a homeowner planning a renovation or a developer launching a large-scale project, we simplify the permit application and plan check process through our EPIC-LA online portal. Our team reviews building plans for safety and code compliance, issues building permits, and provides ongoing inspection support to ensure your project meets all local stand...

Reliable sewer service is critical for any property, and Public Works makes connecting to the county sewer line simple. Our Sewer Connection service assists property owners in Los Angeles County with everything from initial feasibility studies to final hookup. Using our interactive As-Built Locator map, you can identify existing sewer infrastructure near your site and determine the best connection point. We also manage sewer maintenance, including cleaning, repairs, and emergency response for bl...

Living in Los Angeles County means being prepared for seasonal rains and potential flooding. Public Works offers comprehensive Flood Control and Water Resources services designed to protect your home, business, and community. We maintain an extensive network of dams, basins, and channels, and we provide critical information on flood zones, sandbag locations, and the National Flood Insurance Program. Our team also manages the Safe Clean Water Program, which funds projects to capture and clean sto...

Our department plans, designs, builds, and maintains the public infrastructure that Los Angeles County residents rely on every day, from roads and storm drains to building inspection and waste disposal. We have worked on this region for more than a century, and our staff combines decades of local knowledge with newer tools to keep projects cost-effective and built to last. If you have a question about a county facility or need to report a problem in your neighborhood, our team can point you to t...

We handle the physical systems that keep communities running, including roads, stormwater channels, water resources, and transit connections. Each project is planned around the specific conditions of the land it serves, whether that means managing runoff in a hillside area or keeping a busy corridor safe for drivers and pedestrians. Our approach focuses on durable materials, sound engineering, and long-term upkeep, so repairs are not just temporary fixes. If you are unsure which part of the coun...

When work on a roadway requires a closure, we post the affected streets, expected dates, and suggested detours so drivers can plan ahead. Closures are scheduled to limit disruption to local traffic, and crews work to reopen lanes as quickly as the job allows. Residents who depend on a particular street can check current closure notices before they leave home. If you spot an unexpected obstruction or have concerns about how a closure affects access to your property, let us know and our team will...

Our building permit staff reviews plans for new construction, remodels, and alterations in unincorporated Los Angeles County to confirm they meet safety and code requirements. Applications and plan review are handled through our online EPIC-LA portal, and you can track permit status with our Building Permit Viewer. We also schedule inspections at key stages of the work and issue final approvals once the project is complete. For complicated projects, our Permit Center offers a dedicated hotline a...

Connecting a property to the county sewer system starts with a feasibility review, so we can confirm where your site ties in and what permits you will need. Our As-Built Locator map shows existing sewer lines near your property, which helps us identify the best connection point. Once the application is approved, our crews coordinate the physical hookup and work to keep disruption to your property small. We also provide ongoing cleaning, repairs, and emergency response for blockages or overflows,...

We maintain the dams, basins, and channels that help protect neighborhoods across the county during heavy rain. Our programs also include flood zone information, sandbag locations, and guidance on flood insurance through the National Flood Insurance Program. If you live or work in a flood-prone area, we can review your risk using our online maps and walk you through options such as drainage improvements or property retrofits. During active storms, we share real-time alerts and work with first re...

We plan and maintain transportation options that connect Los Angeles County residents to work, school, and daily errands. Our work includes roadway upkeep, transit coordination, and projects that make travel safer for drivers, cyclists, and walkers. Planning decisions take into account traffic patterns, population growth, and the needs of each neighborhood. If you have a concern about a road, crosswalk, or transit route in your area, you can contact us and our staff will review it and tell you w...

Keeping local water clean is a central part of our work, and we manage stormwater so that less pollution reaches rivers, beaches, and groundwater. Through the Safe Clean Water Program, we fund projects that capture and treat runoff, which also helps increase the county's local water supply. Our water quality work supports the LA County Water Plan, which aims to provide sustainable supplies for future residents. Our engineers and hydrologists monitor conditions and adjust efforts as needed, so th...