Famed modernist Architect Donald Olsen designed this exceptional Mill Valley home in 1984. Soaring ceilings showcase the magnificent redwood and canyon views as you descend from the front door, passing an inviting window seat to take it all in. Exhibiting excellence of design that embraces the serenity of the modernist style which showcases the magic of this setting, 21 Renz is a 5 bedroom 3.5 bath, approx 3,900 square foot home w/spacious enchanting decks, 3 fireplaces, outdoor yard/patio area and a separate 1BR guest suite. Modernist in feel with walls of windows, views and light all around. The 4 bedrooms & 2 full baths are all on the same level, incl the primary suite with its cozy fireplace & deck. Guest suite or potential ADU includes 1 BR/1BA, a living room & its own entrance. 2-Car garage & space for 4 other cars. The beauty of the architecture shows everywhere; the home simply feels special! You feel completely removed as you sit back and enjoy the tranquility and sounds of nature, yet so close to town: .84 mile stroll to vibrant downtown Mill Valley for shopping, dining and festivals. Excellent MV schools. Come experience the essence of this famed architect designed home in the quaint hamlet of Mill Valley and make it your dream home to enjoy forever.