Why Hannegan Construction?

With 20+ years of experience helping homeowners like you, we can get your home where you want it to be without the headache. We have invested in our processes so that you can rest assured that your project will be completed on time and on budget. We are committed to customer service and take pride in our quality workmanship. We are so confident in our work, we invite you take advantage of a two-year warranty on all Hannegan Construction projects.

Hannegan Construction | Licenced Washington DC Contractor

Hundreds of Happy Homeowners

From concept to design and completion, we strive for 100% client satisfaction are there with you every step of the way. We greatly value our customers and are thankful for all of our wonderful repeat and referral clients.

Completely remodeled my home.

"They were fantastic and the price was fair. Everyone was punctual, they cleaned up well at the end of the day, and the quality of the work was amazing."

- Angie’s List Member Review

Complete Basement Remodel

"Shane and the rest of the Hannegan team were excellent throughout, ensuring that all work was completed above and beyond our expectations. I would certainly recommend again."

- Angie’s List Member Review

2 Story Addition on DC Row House

"Working with Shane has been a very positive experience. He has a wonderful crew working for him who are very dependable and provide quality work."

- Angie’s List Member Review