About Petkus Brothers

California’s Sunroom, Room Addition and Remodeling Specialists

Petkus Brothers is an outstanding company in the home improvement industry. We host three products that are superior in their respective markets; Four Seasons sunrooms, Alside windows and siding, and Green Room Systems room additions. We have been a trusted member in the business for more than 20 years.

Petkus Brothers was founded and is owned by Kevin Petkus. With over 25 years of construction experience, a master craftsmen with formal training in business from the University of West Sacramento. Kevin is also co‑founder of Green Room Systems LLC a national company.

Petkus Brothers is California’s largest sunroom showplace, featuring eight stunning, full sized models on display to experience first hand. We have been an independently owned and operated franchise of Four Seasons sunrooms for more than 10 years.

Straight Eave Sunrooms

Curved Eave Sunrooms

Cathedral Style Sunrooms

Conservatory Sunrooms

Hybrid Sunrooms

Kitchen & Bath Remodeling