C J Riley Builder

Our custom kitchen renovations are truly custom.

A one-room home addition with endless possibilities.

After more than 30 years in business as a custom builder on Cape Cod, we have earned a reputation for delivering projects on time and on budget. Being early risers helps us accomplish the first; experience, exacting standards, and an eye for details the second.

If you had considered adding a guest house to your property in the past, but were denied a permit because of zoning regulations, it's time to revisit the idea. The rules regarding accessory dwelling units (ADUs) in Massachusetts recently changed drastically.