J R Conniff Const. LLC. is a full service residential & commercial contractor. We are based in Ocean County, NJ, and have over 30 years of experience in both traditional residential building, and commercial steel structures.


Whether you need to build an energy efficient steel building, a brand new home, or an addition on your current home, J R Conniff is the right choice. For a full list of both commercial & residential services, view our services page here.

We encourage you to browse our our online photo galleries of both residential & commercial work, and contact us if you have any questions or would like an estimate.