This exquisite coastal home, located in the sought-after Alsace Loraine neighborhood on Half Moon Bays westside, features a main house and a newly built detached ADU on a spacious 7,500+/- sqft lot. The meticulously maintained main house offers 1,920+/- sqft of living space, with 3 bedrooms and 2.5 bathrooms. The bright split-level design opens to a living room with high ceilings and a cozy fireplace, which flows into the dining area with balcony access. The modern kitchen boasts a large center island, high-end stainless steel appliances, and an eat-at counter. Upstairs includes a back deck for ocean breezes and a convenient half bath. The lower level houses the primary bedroom with a walk-in closet, ensuite bath, and deck access to the landscaped backyard with a fire pit, plus two additional bedrooms and a dual-vanity bathroom. The newer constructed 790+/- sqft ADU offers 2 bedrooms, 1 bathroom, vaulted ceilings, skylights, a contemporary kitchen, and private outdoor space, including a built-in BBQ and a firepit, and a serene landscaped private entrance. Located near the beach, coastal trail, Ocean View Park, and historic downtown Half Moon Bay with acclaimed restaurants and shops. Enjoy easy access to Hwy 92 for commute routes to the Peninsula and Silicon Valley.