Brand new construction opportunity in the heart of Eastside Costa Mesa, less than four miles to the beach. Situated on an oversized 9,000 sqft lot, this exceptional, custom-built residence will offer a combined total of approx. 3,400+sqft of the following: a one-story approx 2,400sqft main house with a 500sqft attached California Room PLUS a detached 520sqft one-story guest house (ADU) with its own kitchen, bath, & laundry. The single-story main home features an open floor concept with high vaulted ceilings, three bedrooms, three and one-half baths, wood floors throughout, quality fixtures & appliances, and custom finishes. The main living area opens to a spacious covered outdoor California Room with fireplace that is nicely orientated to the pool-size backyard. A single-level detached ADU (Accessory Dwelling Unit) with kitchen, bath, & laundry features it's own entrance and is perfect for multi-generational family use, as a caretaker's cottage, as a separate home office/pool house, or as an additional rental income stream. Located only a few short blocks from Upper Newport Bay bike and walking trails, within easy access to the 73 and 55 freeways, and less than 4 miles to pristine beaches, the home is in a prime locale in the laid-back & desirable neighborhood of Eastside Costa Mesa. Currently still under construction, this is a perfect buyer opportunity to collaborate on finishing touches, with an anticipated completion of late Oct 2019.