Unique Opportunity in Prime Walnut Creek Location – Large, flat, .39 acre lot with dual access! Additional Access off the neighboring coveted Larkey Lane. Welcome to 503 Coralie Lane, a charming home on an oversized lot in the heart of Walnut Creek. What truly sets this property apart is its expansive backyard, which extends all the way to Larkey Lane—offering rare dual-street access and endless potential. Whether you&#39're looking to subdivide, build a spacious ADU, or simply create a private retreat, this lot delivers unmatched flexibility. With easy, direct, access an ADU could have its own private entrance, ideal for guests, extended family, or rental income—while the main residence maintains total privacy on Coralie. This is a rare chance to own a property with both future development value and current charm. Just minutes from parks, shopping, BART, and top-rated schools. Don’t miss this one-of-a-kind property with room to grow, invest, or create your dream backyard oasis.