Petaluma Real Estate 1201 N Mcdowell Blvd A leading North Bay commercial real estate firm since 1976, Keegan andamp; Coppin provides services for clients throughout Northern California. Offices in Larkspur, Petaluma, Santa Rosa, and Napa. Petaluma CA Real Estate Keegan and Coppin Co www.keegancoppin.com commercial real estate commercial leasing land investments north bay sonoma county marin county napa county winery vineyard ranch office leasing retail leasing industrial leasing real estate investments commercial real estate commercial leasing land investments north bay sonoma county marin county napa county winery vineyard ranch office leasing retail leasing industrial leasing real estate investments Business Reviews Keegan and Coppin Co Testimonials