559 Marin Ave is a beautifully updated Mill Valley retreat offering space, comfort, and lifestyle flexibility. This 3 bed, 2 bath home spans approx. 1,491 sq ft on an expansive 11,250 sq ft lot, ideal for enjoying the outdoors. Inside, you'll find a recently renovated kitchen and bathrooms, new flooring throughout, and bright living spaces. A detached structure (not included in sq ft) serves as an ideal office, studio, or creative workspace. The basement includes additional storage, an optional office area, and a separate laundry room. The large backyard invites entertaining, gardening, or simply relaxing in the Marin sun. A one-car carport and additional parking complete the package. Just minutes from Tam Junction's shops and cafes, scenic trails, and the Kumara School. Lovingly held in the same family for over 20 years. The street-to-street lot may offer potential for an ADU, lot split, or expansion subject to county approval.