Our Specialties

KO Contracting is Portland Oregon family owned and operated with over 50 years of collective experience in the market. We are licensed and insured general contractors, siding contractors, waterproofing contractors, and window installers in the state of Oregon and SW Washington.

One of our quality signatures is our work on exteriors. We use high quality materials like Fortifiber and Tyvek building wrap products; James Hardie and Cemplank fiber cement siding and Soffit; all products are installed per manufacturer recommendations and inspected by a product representative to ensure quality and validate the product warranty. Our personnel is trained to ensure the quality of our work.

We Are Also Certified Window Installers and Waterproofing Contractors

Proper installation and function of windows provide excellent protection from the elements and an extended lifetime of the the window itself. proper protection from the weather, avoiding water intrusion. On our remodeling projects, we have found signs of poor quality installation products that can lead to water intrusion causing dry rot damage on the building structure, our company's quality standards help avoiding this problems. We also keep track of the entire installation process with photography during the process of the installation. All photos are kept in an archive created for each job so we can use them for future references and inspections.

A Certified Roofing Contractor

We use high quality asphalt felt products and ensure quality of the roof installation. The roof is the most important protection from the elements on a house, so we ensure proper installation of the roof for a long lifetime of the structure.

Some Of Our Work

Siding Types

We offer a large selection of siding types, brands, and installations to fit the design of any project. Here are some of our high quality brands and styles installed by us in the past.

Safety Is Very Important To Us

Our personnel are also trained to meet the safety requirements by the Oregon OSHA, they are often sent to lasses about fall protection, and proper use of the equipment and machinery. We put the safety of our personnel and others first, to ensure that no safety hazards are created on the job site. We are also extremely careful on remodeling projects; we take caution to avoid hazards for the people living in the area. Our standards are keeping the job site as clean as possible, the area surrounded by proper protection and personnel in charge of the protection of the job area.

Other Services And Certifications

Lead Paint Removal

We are certified in the removal of lead paint. We use a safe means of removal while ensuring that all of the lead paint is removed.

Minority and Equal Employment Opportunity Oregon Certified

Contact Us

Email: Contact@KO.Construction

To get more information on the services that we provide or if you would like to talk to us about a project.