A RARE architectural gem, 814 Gail Avenue is a 2025 Refreshed Eichler mid-century modern home set on a beautifully landscaped 10,087 sq ft corner lot in the heart of Sunnyvale. Expanded single-level residence offers 2,234 + sq ft PLUS 305 sf J-ADU for a total of 2539 SF of timeless style, clean lines, & modern sophistication perfectly merging mid-century charm with 2025 design. Iconic floor-to-ceiling glass, radiant heated floors, & seamless indoor-outdoor flow define the airy layout. Main living rm features a sleek modern fireplace, while the oversized family rm adds a 2nd fireplace offering multiple warm & welcoming spaces for entertaining or quiet relaxation. An expansive primary suite is a true retreat, with peaceful backyard views & a flexible sitting area ideal for home office. The sun-drenched enclosed sunroom opens to the backyard oasis, where a sparkling pool & spa are framed by mature fruit trees, blooming gardens, J- ADU, 2 storage sheds, & raised vegetable bed. Fully fenced front & back yards offer complete privacy. Gated side entrance leads to the J-ADU with its own entry ideal for guests, ext. family, or rental income. Blending iconic Eichler architecture, stylish upgrades, & lush outdoor living, this distinctive home delivers the ultimate in California living.