GJ Koeppen Construction LLC

Koeppen Construction provides expert home-addition services in Boulder and surrounding Colorado areas – including new bedrooms, master suites, sunrooms, accessory dwelling units (ADUs), and expanded living spaces to fit your growing needs. Whether you’re adding a second story, expanding your kitchen, or creating extra rooms, their skilled team ensures seamless integration with your existing home layout. With a focus on quality craftsmanship, smart design, and customer satisfaction, GJK Construction helps you reimagine and expand your living space to match your lifestyle. Contact them today for a custom quote.