Room Additions in Newport Beach and Corona del Mar

Newport Beach runs planning and building through its Community Development Department, and Corona del Mar is reviewed by that same city. Projects inside the coastal zone need a coastal development permit alongside the building permit. Since the city's Local Coastal Program took effect on January 30, 2017, the city issues most of those permits directly, with defined categories still going to the California Coastal Commission. The first task on any Newport addition is a determination of coastal status for the address, because it sets the review path and the calendar behind it. We pull the zoning, the setbacks, and the height standard for the lot, then design the addition inside those limits before drawings go out for engineering.

Many Newport Beach and Corona del Mar tracts carry a community association with its own architectural committee. Those submittals want elevations, materials, colors, roof profile, and often a staging and parking plan. Committee calendars run on their own cycle and rarely align with the city's. Our estimating desk builds both packages from the same drawing set and files them in parallel, so association review and plan check overlap. We attend the committee meeting when the association allows it. Where a tract restricts working hours, delivery access, or street staging, our field team plans the sequence around those limits before the schedule is published.

Salt air attacks connections first. Our specifications call stainless or hot-dip galvanized fasteners at exterior framing, corrosion-resistant hangers and straps, and isolation between dissimilar metals at every contact. Flashing gets lapped shingle style with the water, with sealed penetrations and self-adhered membrane at heads, sills, and roof-to-wall transitions. Weather-resistive barriers get a drainage gap behind the cladding so wind-driven moisture has a path out. Exterior hardware, rails, and light fixtures get specified to coastal exposure ratings. Our finish crew preps and paints the exterior under our own C-33 license using coatings rated for salt exposure, which keeps the coating and the substrate under one company's warranty.

A second story in Newport Beach is a view decision and a structural decision at once. Height is measured against the standard for your zone and roof form, so plate height and roof pitch get resolved before the floor plan settles. Adding a level puts new load on the existing foundation and shear walls, and older coastal houses frequently need footing upgrades, holdowns, and a continuous load path carried through the first floor. Our engineers verify capacity before the design commits to a footprint. Glazing, deck lines, and rail selections then follow the sightline you actually want, framed from where you will stand in the room.

Our crews work the coast from Los Angeles down through Newport Beach and Corona del Mar. Coastal lots are tight, alleys are narrow, and neighbors are close, so logistics belong in the estimate. We stage materials in phased deliveries instead of one drop, keep alleys and adjacent driveways clear, and sweep the site daily. Interior work runs behind dust walls with protected floor paths when the house stays occupied. Your project lead notifies neighbors ahead of noisy phases and holds one line of communication for schedule, selections, and access. Discretion on site is part of the scope on every project we accept.

Build And Decor Construction holds CSLB license #1113888, Class B General Building and Class C-33 Painting and Decorating, in the name of license holder Sebastian Moreno Rivera. We are fully insured and have completed more than 400 projects. Clients rate our work 5.0 stars on average across 88 reviews. Ratings current as of August 2026. Every project carries a one-year workmanship warranty. We accept select coastal projects each season so our field team stays on the jobs it starts. The on-site estimate is free. Call (949) 558-9738, visit buildanddecorconstruction.com, or reach our office at 8033 Sunset Blvd #336, Los Angeles, CA 90046.