ADU Construction in Marina del Rey with a roof that stays dry
Marina del Rey ADUs with a roof that sheds water to one low edge, corrosion-resistant gutters and flashing, and county plan check handled for you.
Rainwater on a Marina del Rey backyard unit should leave the roof at one low edge, fall into a gutter sized for a hard storm, and run through a buried pipe to a spot well clear of both foundations. We set that path while the roof shape is still a sketch, because it decides where the entry can sit and where the walkway between the two homes stays dry for a parent crossing it every evening.
A roof that sheds water and resists moist air
A single-slope roof sending water toward the rear of the lot keeps the entry and the shared yard dry. Under the finish, a self-adhered membrane covers the whole deck, and drip edge at every eave keeps water off the fascia. Metal parts near the water get the most thought: gutters in coated aluminum or copper with stainless hangers, and flashing with a finish that stands up to salty air. Where the yard has no room to soak water in, the downspout line runs to a curb outlet or a small drywell, whichever the county accepts for the site.
County plan check and the quote
Building and Safety at Los Angeles County Public Works handles plan check for Marina del Rey, an unincorporated area. Sites within the coastal zone can also need a county coastal permit, and we confirm that for your address before the design is final. Drainage matters to the county reviewer, so the site plan shows every roof and yard line in full. Our plans package is written for one level and 500 square feet at most. Construction is quoted on its own, in writing, after the drawings are approved.
ADU Construction in Marina del Rey: what families ask
Absolutely. Giving the unit a kitchen, a bathroom and an entry apart from the house lets a parent keep independence while staying close enough for shared dinners in the main house. For a grown child it works as a first home without a lease elsewhere. We plan the layout for whoever moves in first, with level entries and wide doors so it can serve an aging parent later.
A garage that is structurally sound and sits near the utilities can convert with less new work, and under state law the lost parking usually does not have to be replaced. A detached unit makes sense when the garage is still needed or the yard has open space at the back. We weigh both against your lot and how your family uses the yard.
Los Angeles County applies state ADU law in Marina del Rey. The county code lets a freestanding unit reach 1,200 square feet, and an attached one usually tops out at 50 percent of the living area already there. Height and setbacks follow the county code within state limits, and a coastal zone parcel may face extra conditions. We confirm all of it against your address.
ADU Construction in other cities
Other projects we take on in Marina del Rey
Your Marina del Rey project, start to finish
Tell us about the house and the space you need. We reply by phone or email to plan a visit.