Adu permit — Boston, MA

An accessory dwelling unit (ADU) is a secondary, independent housing unit on a single-family lot in Boston. It can be attached to the main house, a detached structure, or an internal conversion. ADUs provide flexible living spaces for family, renters, or guests, adding value and utility to your property.

While emergency ADU services for immediate construction are uncommon, prompt and efficient service is our priority. If you have urgent questions or need to schedule a consultation quickly, we can facilitate that. For unexpected issues during or after construction, your contractor will be your primary point of contact.

Accessory dwelling unit (ADU) means a secondary, smaller, independent living space on an existing residential lot in Boston. It's a complete dwelling with its own kitchen, bath, and sleeping area. ADUs are an excellent way to add housing capacity and flexibility without requiring a new, full-sized home.

Affordable ADU options in Boston often involve maximizing existing structures, such as basement or garage conversions, or opting for more compact, pre-designed units. Using cost-effective but durable materials is also key. The goal is to create a functional living space within budget constraints.

Yes, modular accessory dwelling units are available for properties in Boston. These units are constructed off-site in modules and then assembled on your foundation. This approach can speed up the building process and offer cost efficiencies. We can help you find providers of modular ADUs.