21,000 sqft Tri-Cities WA home, Naoi Cailini Oga Estate, sold for $3.75 million in January 2022.

Tri-Cities WA's largest home, known as the Naoi Cailini Oga Estate, boasts over 21,000 sqft of living space, featuring a chef's kitchen, butler's pantry, coffee bar, home theater, art studio, gym, and an apartment with a separate entrance. Outdoor spaces offer balconies with views of surrounding Tri-Cities hills and a 3-acre vineyard producing high-quality Carménère wine. Sold for $3.75 million in January 2022.