Outstanding opportunity to acquire an upscale, approx. 4,000 sq. ft residence on one of the premium, most sought-after parcels in Petaluma's Cader Farms Highlands. Presenting 1938 Matzen Ranch Circle, now offered on the market for the very first time in over two decades. Beautiful curb appeal with mature trees and sprawling lawn leads to the welcoming front porch and stunning, two-story entry foyer. The traditional floor plan offers tremendous scale throughout with the formal spaces plus a stately office/den upon entry and casual living at rear. Wide, gallery-style hallway leads to the total open-concept great room, anchored by a well-appointed gourmet kitchen with center island plus separate bar and a full complement of GE Monogram and Sub Zero appliances. Seamless indoor/outdoor flow on this private and level, approx. 13,266 sq. ft parcel. Absolutely stunning, resort-like backyard features an in-ground pool and hot tub, sweeping lawn and large patio; all bordered by a mature, privacy hedge. The home offers 5 bedrooms and 3.5 bathrooms including an en suite on the entry level, ideal for multi-generational living. Attached 3 car garage. Just a block to many miles of paved trails, preserved open space and within close proximity to top schools, parks, shopping and more.