New construction modern farmhouse with ADU and expansive level grounds in one of Mill Valley's most desirable locations. 308 Marin Avenue offers a rare blend of design, functionality, and flexibilityideal for today's lifestyle. The property spans approximately 2,599 sq ft (per measurements) and includes a 4BR/2.5BA main residence plus an attached ADU above the garage. The main home features a light-filled kitchen that flows seamlessly into open living spaces and a generous family room, ideal as a media room, playroom, or secondary lounge. A well-appointed pantry and dedicated laundry room add everyday convenience. Large openings create a seamless indoor-outdoor connection to expansive front and rear yards with substantial, level lawn areasan increasingly rare offering in Mill Valleyperfect for entertaining, recreation, or relaxation. The attached ADU provides a fully independent living space, ideal for guests, extended family, a home office, or potential income. Clean lines, warm finishes, and a functional layout define the home's modern farmhouse aesthetic, all just moments from downtown Mill Valley, award-winning schools, and premier outdoor access.
2,599 Sq Ft
6,599 Sq Ft Tamaño del lote
casa unifamiliar
MLS/ID del anuncio 326031042
2 Historias
Parking - Garage Faces Front
Parking - Attached
Agua
Style - Farmhouse
Cooling - Multi-split AC
Cooling - Ductless
Electric Fireplace
Heating - Ductless
All data, photos, visualizations, and information regarding a property, including the property's compliance with state and local legal requirements and all measurements and calculations of area, have been obtained from various sources, and may include such material that has been generated by use of artificial intelligence. Such information and material have not been and will not be verified for accuracy by the listing broker or the multiple listing service, and are not guaranteed as complete, accurate or reliable. Such information and material should be independently reviewed and verified for accuracy. This information and material are intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Copyright 2026 Bay Area Real Estate Information Services, Inc. All Rights Reserved.