ADU Construction in San Pedro with a shell built for salty air
San Pedro ADUs with copper or stainless flashing, fiber cement siding and moisture-resistant interiors, permitted through LADBS and quoted in writing.
Copper or stainless steel flashing above every window and door of a San Pedro backyard unit holds up where painted steel would rust in salty, damp air. We pair it with fiber cement siding and a sealed paint finish that can be renewed without tearing anything off. For a parent or grown child moving into the unit, the result is a home that stays tight and dry with modest upkeep.
Inside and underfoot
Porcelain tile in the bathroom and a sealed concrete or engineered wood floor in the living area handle damp shoes coming in from the yard. Cabinets with plywood boxes resist moisture better than particleboard. Windows are fiberglass or vinyl with stainless hardware, so the cranks and hinges keep working. A ducted range hood and a bath fan wired to a humidity switch keep moisture from building up in a compact space, and the attic is vented so the roof deck stays dry.
LADBS review and the quote
San Pedro is a City of Los Angeles community, and LADBS reviews and permits the unit. Parcels inside the state coastal zone may need coastal review from city planning first, which we check against your address. Corrections from LADBS come to us, and we answer them. Our plans package is scoped to 500 square feet on a single floor, and construction is quoted separately in writing, with every exterior material named so you can see how the shell answers the damp air. Inspections follow at each stage.
ADU Construction in San Pedro: what families ask
San Pedro lots can hold a full home for a parent or grown child, with a kitchen, bath and door of their own, close enough to share meals and help. We design for whoever moves in first, adding a step-free entry and a curbless shower for an older parent.
Reusing an old garage saves walls and a slab, though in damp coastal air we check the framing and sill plates for rot before counting on them. A detached unit starts fresh, built with corrosion-resistant materials from the ground up. We inspect your San Pedro garage and price both paths.
San Pedro sits under City of Los Angeles ADU rules, which let a freestanding unit grow to 1,200 square feet. Attached units are limited by the size of the main home, and a coastal zone parcel may have added conditions. We confirm what fits your lot before design begins.
ADU Construction in other cities
Other projects we take on in San Pedro
Your San Pedro project, start to finish
Tell us about the house and the space you need. We reply by phone or email to plan a visit.