A1 Certified A1 Certified has been offering immaculate home renovation services to Oak Harbor, WA and surrounding areas since 1981. We specialize in full interior and exterior remodels including kitchens and bathrooms. Let our trained experts give your home a complete makeover. We can transform any home into a beautiful architectural masterpiece. A1 Certified's Products / Services Include: * Home Remodeling - painting, windows, doors, decks and more. * Kitchens and Bathrooms - tile, fixtures, counter tops and more. Our friendly and professional staff is here to answer any questions you may have about our company or our services. Whatever your home renovation needs, we can provide it to you at prices you can afford.