Prime downtown historic gated estate designed by master architect Willis Polk and built by master builder Harvey Klyce. This brilliant 1893 Bay Traditional style residence has just undergone an incredible renovation by Margot at MO Design and is situated on a cherished South-facing lot boasting 6 bedrooms, 4.5 bathrooms, plus an additional 1 bedroom/1 bathroom guest quarters. This rare and unique 6,593 SF +/- home defines timeless character with modern day amenities to support the ultimate Mill Valley lifestyle. The dynamic floor plan features grand scale, period details, and abundant natural light throughout. The park-like grounds include a private gated driveway, multiple outdoor living spaces, huge turf yard, auto court, and basketball sport court. Located on sought after Throckmorton Avenue blocks from Old Mill Park, Cascade Falls, Mill Valley Library, and charming Downtown Mill Valley makes this a once in a lifetime extraordinary opportunity.