ADU Construction in San Pedro
San Pedro ADUs built with corrosion-resistant connectors, flashing and hardware chosen for damp salty air, drawn for LADBS review by Fernhill Builders.
Rust on the screws of an old San Pedro fence gets our first look. A scrape with a pocketknife across gutter hangers, gate hinges and hose bibs shows how hard salt air treats metal on that particular lot. What turns up sets the fastener grade, the flashing metal and the window hardware for the ADU before any drawing begins, so the new unit does not start bleeding rust stains down its walls after a few seasons.
Metal that holds up near the water
Heavy corrosion on the lot points us to stainless steel or hot-dip galvanized connectors throughout the frame, from hold-downs to joist hangers. Window hardware and exterior light fixtures get finishes rated for wet, salty conditions. Flashing is aluminum or coated steel, matched so dissimilar metals never touch and eat at each other. Cement plaster or fiber cement siding takes damp air without rot, and the paint system is chosen for the same exposure. Vents carry corrosion-resistant mesh, so the openings that protect the attic do not rust shut.
LADBS and the coastal question
The Los Angeles Department of Building and Safety reviews a San Pedro unit's plans, reading setbacks, the distance to the house and the sewer tie-in. Coastal zone status differs from lot to lot, and one inside it may need coastal approval before the building permit issues. A wall close to a line can require a rating and fewer windows. We answer reviewer comments on revised pages and resubmit, sending you a copy each time, so you can see where the file stands.
ADU Construction in San Pedro: common questions
The answer comes from the fire hazard maps. If a San Pedro parcel turns up on a severity map, the shell falls under the wildfire chapter. Otherwise it does not. Several of its materials still suit a lot that sees damp air, since cement plaster and metal-mesh vents resist moisture as well as embers.
For a San Pedro set, we spell out the corrosion-resistant connectors on the structural sheet and mark the setbacks and any coastal zone line on the site plan. Those pages answer most LADBS comments. Our package targets a qualifying single-story unit, and building it is quoted separately in writing.
Yes, provided the parcel can take both buildings and LADBS agrees to the sequence. The two would share one fastener and flashing grade, since they share the same air. When we know how the rebuild is permitted, the unit gets sited clear of the new house's footings.
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Plan your project in San Pedro
Tell us about the house and the adu construction work. We reply about a walk-through and a written scope.