# Bathroom Remodel Marina Del Rey: A 2026 Homeowner Planning Guide

*Published 2026-11-08 by 1 Smart Build*

Planning a bathroom remodel in Marina Del Rey? Learn about local permit requirements, coastal zone regulations, and the 2026 construction standards for your home.

When we remodel a bathroom in Marina Del Rey, we have to play by specific regional rules. Since the area is an unincorporated part of Los Angeles County, you don't use the City of Los Angeles Department of Building and Safety. You work directly with the [Los Angeles County Department of Public Works](https://pw.lacounty.gov/). Getting that detail right keeps your renovation moving.

A lot of these homes went up in the mid-to-late 20th century. We usually find the old plumbing and electrical systems need a serious update to hit current code. So, whether we're swapping a vanity or gutting the whole space, your project has to pass the California Plumbing Code and Title 24 energy efficiency standards. We map out these technical requirements early. That way, we keep your job on schedule and your wallet happy.

## Key Takeaways
- Marina Del Rey is unincorporated Los Angeles County, so we get your permits through the Los Angeles County Department of Public Works.
- Any job where we change the layout, move fixtures, or take out walls needs a building permit and plan review.
- Properties sitting in the Coastal Zone might need a Coastal Development Permit, and that will add some time to the schedule.
- Under California Civil Code section 1101.4, an alteration permit for a home built before 1994 means you have to swap in water-conserving fixtures throughout the whole place.
- Permits usually mean we need to install tempered glass for your shower doors and seismic gas shut-off valves to keep the home safe.

## Do I need a permit for a bathroom remodel in Marina Del Rey?
Yes. We need a permit for almost any bathroom job in Marina Del Rey that goes beyond painting or swapping hardware. If we move a toilet, tub, or sink, or open up walls to mess with plumbing or electrical, the County requires a permit to show the work hits safety standards. So, even if we keep your layout, pulling out a tub for a shower or putting in new tile backer board often means an inspection to verify the waterproofing is solid. The County of Los Angeles uses the [California Building Code](https://www.dgs.ca.gov/BSC/Codes) to regulate your project. We have to provide a scope of work and a floor plan that maps out your current and proposed layout. But if we only replace existing fixtures without touching the structure or pipes, you might qualify for an express permit. We should verify this with the County office before we start.

## How does the Coastal Zone affect my remodel?
Marina Del Rey has strict coastal rules. If your house sits in the Coastal Zone, you need a Coastal Development Permit on top of your standard building permit. The [Los Angeles County Department of Regional Planning](https://planning.lacounty.gov/) runs the show. They make sure your job does not block coastal access or ruin the look of the neighborhood. This permit has its own timeline. Check your property zoning and coastal status before you wrap up your design. If you find out you need one, submit the application at the same time as your building plans. So you save time. Skipping this will just stall your project.

## What are the 2026 water-conserving fixture requirements?
Pulling a permit for a bathroom remodel in California means we often have to bring your entire home up to current water-efficiency standards. California Civil Code section 1101.4 requires that any alterations made to a home built before 1994 mandate the replacement of every non-compliant plumbing fixture. So, you must install toilets using 1.28 gallons or less, showerheads rated at 1.8 gallons per minute, and faucets rated at 1.2 gallons per minute. During your final inspection, the County inspector might check every bathroom on your property. You need to factor these upgrades into your total budget now so we avoid surprise costs when we wrap up your build.

## What is the typical timeline for a bathroom remodel?
Expect a standard bathroom remodel in Marina Del Rey to take 3 to 4 weeks of active construction. That total time hinges on the permitting process. Planning and getting permits from the County can take several weeks. This depends on your project size and if you need a Coastal Development Permit. We follow a set order: demolition, rough-in for plumbing and electrical, inspections, wall closure, and the final install of tile, vanities, and fixtures. We manage these steps so inspections happen on time. Having a clear plan and a team that knows the County inspection requirements keeps your project moving.

### Practical steps for your bathroom remodel
- Check your property zoning and coastal status with the Los Angeles County Department of Regional Planning.
- Create a detailed scope of work that lists all plumbing, electrical, and structural changes.
- Submit your plans to the Los Angeles County Department of Public Works for permit approval.
- Schedule your rough-in inspection once plumbing and electrical work is finished but before walls are closed.
- Install all required water-conserving fixtures throughout the home.
- Schedule your final inspection to close out the permit and get your certificate of completion.

1 Smart Build is a licensed design-build general contractor (CSLB #1076428) serving Marina Del Rey and the surrounding Los Angeles area. We manage the entire process, from architectural design and structural engineering to County permitting and final construction. So if you are ready to start your project, call us at 1 (866) 419-8840 or visit our [website](https://1smartbuild.com) to discuss your plans.

## Company facts

- Business: 1 Smart Build, design-build general contractor
- Phone: 1 (866) 419-8840
- Email: info@1smart.build
- Office: 21243 Ventura Blvd #133, Woodland Hills, CA 91364
- License: California CSLB #1076428 (Class B, General Building Contractor)
- Insurance & bond: $1,000,000 liability policy, $15,000 contractor bond
- Reviews: 4.9 stars on Google (169 reviews)
- Ownership: Veteran-owned and women-owned
- Service area: Los Angeles County and the San Fernando Valley, with projects in Ventura County, Orange County and the Antelope Valley

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