30 Dell Ln, Mill Valley, CA 94941 is a single-family home that contains 1,990 sq ft and was built in 2006. It contains 3 bedrooms and 3 bathrooms. This home last sold for $4,150,000 in October 2025. The Zestimate for this house is $3,947,200. The Rent Zestimate for this home is $7,892/mo.