About Business
Whatever part of your home requires renovations, you can trust us to help you. We have been working on home additions in Boulder, CO for years. Call us on 720-378-7660 for more details.
Learn more at gjkconstruction.com.
Business Profile
- Business Name
- GJ Koeppen Construction LLC
- Primary Category
- Construction and Remodeling
- Location
- Longmont, CO
- Website
- gjkconstruction.com
Additional Details
Reviews
After researching several companies and bids, we're glad we chose Koeppen Construction for our basement refinish project. Graham Koeppen personally came to our home several times to evaluate the space and worked with us planning the project, which also included installing a bathroom and plumbing and removing a support pole in the middle of the…
We used Koeppen Construction for a roughly 3-month remodel of our entire first level — kitchen, powder room, fireplace, flooring, stairs, and more — and highly recommend them. The design phase made all the difference. Graham was incredibly helpful walking us through options. We struggled most with the kitchen layout, and he came up with…
Good people, great work. Koeppen Construction is the kind of company you actually enjoy working with. Everyone on the team is professional, easy to communicate with, and genuinely cares about doing the job right. They specialize in basements and ADUs, which are the kinds of projects that can really transform how you use your home.…
Koeppen Construction is the kind of company that’s genuinely hard to find these days. Every person on their team operates with honesty and integrity, and it’s clearly a core part of who they are, not just something they say. They specialize in kitchen remodeling and bathroom renovations, and the quality of their work speaks for…
I’m happy to write this review of work recently done by Koeppen Construction at my home. I had asked the company to convert a window in my living room into a bay window – a far more complex project than I’d realized. But the project details turned out just as I’d wanted them to be,…
Map & Directions
Get DirectionsFind GJ Koeppen Construction LLC
Contact
- Phone
- +1 720-378-7660
- Website
- gjkconstruction.com
- Address
- 7845 Lookout Road, Longmont, CO, 80503

Submit your independent brand to our directory
Put your business in front of customers actively searching for trusted local services. Add your description, hours, services and contact details—reviewed by our team before it goes live.
- Full business profile
- Category placement
- Search visibility
- Free to submit

