ADU Construction in Laguna Beach
Serving 92651 and Newport Beach, Aliso Viejo, Laguna Niguel
An accessory dwelling unit in Laguna Beach faces two hard constraints at once: nearly the entire city sits inside the coastal zone, and the lots are steep. A detached unit is new construction, which is exactly what coastal review is for, and steep ground makes foundations and access the dominant cost. Some lots work well. Others do not, and it is better to know that from a drawing than from a foundation quote.
Real projects. Real prices.
73 finished remodels published with their final price — nothing hidden.
What our finished LA work actually cost: 27 kitchens ran $23k–$84k, median $50k; 28 bathrooms $28k–$105k, median $38k; 17 whole-home remodels $36k–$440k, median $150k. Real final prices from our own job records, not estimates.
$25,000 White shaker cabinetry, white subway tile, and light quartz counters.
$33,000 A backlit mirror over a double vanity, with stone-look tile and matte black fittings throughout.
$56,000 Marble-look slab walls with matte black fittings and a backlit mirror over an oak vanity.
$75,000 Rift-oak flat-panel cabinetry with white uppers, a quartz island and a fluted tile backsplash.
$242,700 Structural work to open up the space, a vaulted ceiling, solid wood floors, kitchen and two baths.
$250,000 White shaker cabinetry and veined quartz, with hex-mosaic walk-in showers.
ADUs on steep, coastal lots
The honest feasibility question
Access for construction, foundation conditions on slope, and where services can run. On hillside parcels these decide viability far more often than floor area does.
Coastal permit on new build
A new detached structure inside the coastal zone attracts coastal review. The city issues those permits itself outside the three Commission-retained areas.
Written by Onn Cohen-Meguri, founder and designer at Design Onn Point — 12+ years in business, 1,200+ finished Los Angeles projects. CSLB #1133368.
Pricing in Laguna Beach
Market estimate, not our own project data.
Talk to Onn about your Laguna Beach adu construction.
Free consult, no obligation. Onn reads every inquiry personally — and aims to reply within one business day.
From the blog
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