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Add eating and additional storage space with a multi-function peninsula.

Home Renovations & Additions

Transform Your Home with new spaces and Stunning Renovations

Witness the remarkable transformations that Lonergan Construction can bring to your home. From kitchen remodels to complete home additions, see the difference quality craftsmanship makes.

We have done additions of all types and we have the capability to do all work from design to pouring foundations to roofing and finish work.  Let us work with you to improve your home.

Is your growing family outgrowing your home?

Do you look at your kitchen or bathroom and see that it’s so out-of-date? Time for a refresh? Kitchens need updating and bathrooms need to be replaced.  What was once a functional family room; is now too small to comfortably accommodate a growing family comfortably.  Lonergan Construction will help you have a home that meets your needs.

our portfolio of renovations and additions

Happy With Lonergan Projects for Over 10 Years!

We have worked with Lonergan Construction for over 10 years on many different project on two houses and I can’t imagine working with anyone else! Very responsive and always professional, we can always count on the team to give us reasonable and fair pricing for jobs without skimping on regulations or quality materials and work.


We have always been happy with the quality of the final product as well as the process to get there. They do not overextend themselves, so once the team starts a job, they are here consistently from start to finish. We never have to worry that we will stuck in the middle of construction because workers are off on another job.


I cannot recommend this company enough.

 – Karyn S., Massachusetts