Welcome to 175 Costa Mesa Street-an extraordinary residence in the heart of Costa Mesa's highly sought-after Eastside community. Recently constructed by Willhoit Construction, this premier home has been thoughtfully upgraded and meticulously restored to a condition that feels nearly new while offering exceptional value. This stunning home features 5 bedrooms and 5+ bathrooms, each with its own en suite bath, creating private retreats for family and guests. Wide-plank oak flooring flows throughout, complemented by high-end surfaces and designer finishes. At the heart of the home is a chef's kitchen with premium Bertazzoni appliances, custom frameless European cabinetry, and seamless flow to the dining and living areas. A walk-through butler's pantry enhances functionality, while expansive LaCantina doors create true indoor-outdoor living with inviting exterior spaces and cozy gas fireplaces. The grand living room features a beautifully sealed fireplace and French doors opening to a charming front yard. The primary suite offers vaulted ceilings and a spa-inspired bath with a soaking tub, dual vanities, marble shower, and two custom walk-in closets. Additional highlights include integrated sound, remote-controlled blinds, a white picket-fenced front yard, and an R2-zoned lot with a luxury apartment above the 3+1 car garage-ideal for guests or rental income. Located in the prestigious Eastside, you're moments from top schools, dining, beaches, and local amenities. This is a rare opportunity to own refined, like-new luxury in one of Orange County's most desirable neighborhoods.