Knudsen and Knudsen Construction • 207-671-6557


Knudsen & Knudsen Construction, based in Standish, Maine, is locally a owned and operated company that can handle any job, large or small, both commercial and residential. Equipped with the expertise and knowledge gained from more than 18 years in the industry, Keith Knudsen established the company in 2000 and has continually grown the company as a self-performing, general contractor.

Knudsen & Knudsen Construction is a proven leader in new home construction, top-quality renovations and can take on any project, no matter what size it may be. We have a successful track record of 100% satisfied customers. When we provide you with a project estimate, we will honor this price and it will NOT change unless the project changes or increases in size based on your request only. We can use your plans, provide them for you, or simply show us a picture of the project you want and we can build it.


Choosing a self-performing, general contractor ensures the success of your project. By initiating control of the project schedule, maximizing labor efficiencies and establishing the standards for quality and safety, Knudsen & Knudsen Construction ultimately provides you with a better product.

Quality Assurance

Since Knudsen & Knudsen supervises each job and performs the individual tasks, the quality of our construction is tightly controlled and any points of integration are always carefully considered.

Schedule Control

There is no reliance on outside contractors to meet deadlines, which means Knudsen & Knudsen is directly in control of the production and work schedule.

Reduced Costs

Self-performed contractors provide better management of customer-initiated design changes. With Knudsen & Knudsen Construction, your projects are given to us directly and executed by us. This removes multiple levels of management and communication, allowing us to make the changes quickly and efficiently.

Home Improvement

Knudsen & Knudsen Construction has the capability to handle all aspects of home improvement. Whether you need additional space, improved energy efficiency, an update to an existing space, or maintenance and repair, we’ve got you covered.

Roofing and Siding

Windows and Doors

We install all types of windows and doors and can help you gain improved energy efficiency by maximizing the light in your space. There are as many options to choose from as there are products and we offer them all.

Renovations and Additions


Commercial Jobs

Our commercial work experience includes building and renovating bars and restaurants to complete building remodels and updates. We have performed renovations on some popular businesses in Portland, Maine.

Proven Track Record

We have a proven track record of providing quality work which is always completed on time and on budget. Commercial and Residential client references are available on request.


We are confident that you will be 100% satisfied with our craftsmanship, our work ethics and making sure the job is done right the first time. Each and every project is guaranteed for the lifetime of your home or business.

BBB A+ Rating

We enjoy providing you with the best service and product possible and are greatly appreciative of an A+ rating from the Better Business Bureau.