Custom-built 4 bedroom + den / 4 bath home in Lafayette’s exclusive Upper Happy Valley neighborhood. LAFAYETTE / ACALANES SCHOOL DISTRICT. First time ever on the market. Huge backyard with tons of potential to possibly sub-divide and build. Existing side road (Buyer to investigate subdivide potential and side road access with City of Lafayette). This two-story traditional east coast home is filled with natural light, gleaming hardwood floors, dual zone heating &#38' A/C, spacious over-sized rooms, expansive primary suite with 3 closets 1 walk-in, en-suite bath, and private office/workout room, 2nd bedroom upstairs with private en-suite bath, main floor in-law/guest bedroom with full bath across the hall originally designed for in-law quarters w potential private kitchen/laundry room. The large chef&#39's kitchen is light &#38' bright with stainless steel appliances attached family room that leads to the huge backyard. Buy into the East Bay’s Top Schools and most desirable City. Centrally located, and close to Hwy 24/680, BART, beloved Lafayette Reservoir, hiking and biking trails, Oakwood Athletic Club, downtown retail, and Lafayette’s popular restaurant row. This home is truly one of a kind. Don’t miss out on this opportunity.