Circa 1939 Colonial Revival, designed by renowned architect Brainerd Jones. One of Downtown Petaluma's most beloved properties is now available to purchase for the very first time in 20 years. Perched on a prominent corner of the Oak Hill Brewster Historic Neighborhood, this Petaluma Heritage Home and guest cottage comprise approx. 2,667 sq. ft of living space. Beautifully preserved architectural details and exceptional curb appeal grace the 4 bedroom, 2 full bathroom main residence. Step outside to discover a serene and lush backyard setting, featuring mature landscaping, two covered outdoor living areas, and meandering walkways all offering rare privacy just steps from Downtown Petaluma's vibrant core. A generously sized, detached two-car garage is topped by the welcoming guest studio complete with a partial kitchen with island and full bathroom, perfect for guests, a home office or rental income. Designed with a side-gabled roof, dormer and double-hung windows, a centered front door with small porch and adjacent bay window, 301 Howard Street was one of the final builds of Brainerd Jones' illustrious career. Just 4 owners in 86 years. One block from Oak Hill Park and two blocks from the restaurants, shops and charm of Historic Downtown Petaluma.