# ADU Craft Boston > ADU builder serving Boston, MA and nearby cities: detached ADUs, garage and carriage house conversions, attached ADUs, and basement or attic ADUs. Design, permits and construction. Licensed and insured. Service area and contact: see https://aducraftboston.com/contact. No phone number is published; requests go through the website form. Prices on this site are published ranges, not quotes. Updated October 2026. ## Main pages - [About ADU Craft Boston | ADU Builder in Boston, MA](https://aducraftboston.com/about): ADU Craft Boston designs, permits and builds ADUs for homeowners in Boston, Quincy, Newton, Somerville and Brookline. Licensed and insured. - [ADU Builder Service Areas: Boston and Nearby | ADU Craft Boston](https://aducraftboston.com/areas): Where ADU Craft Boston builds: the City of Boston, Quincy, Newton, Somerville and Brookline, and how ADU rules differ between them. - [Check Your Lot for an ADU | ADU Craft Boston](https://aducraftboston.com/contact): Request an ADU lot check in Boston, Quincy, Newton, Somerville or Brookline. We check zoning and tell you which ADU types fit. - [Boston ADU Guides (Updated October 2026) | ADU Craft Boston](https://aducraftboston.com/guides): Answers to common ADU questions for Boston, Quincy, Newton, Somerville and Brookline homeowners: cost, rules, parking, rentals and rent. - [ADU Builder in Boston, MA | ADU Craft Boston](https://aducraftboston.com/): ADU builder for Boston, Quincy, Newton, Somerville and Brookline: backyard cottages, garage and carriage house conversions, additions, basement and attic units. - [Our ADU Process, Step by Step | ADU Craft Boston](https://aducraftboston.com/process): How ADU Craft Boston designs, permits and builds an ADU: lot check, site visit, written itemized quote, permits, construction and certificate of occupancy. - [ADU Types We Build in Boston, MA | ADU Craft Boston](https://aducraftboston.com/services): Compare ADU types for Boston-area lots: detached cottages, garage and carriage house conversions, additions, basement and attic units, plus design and permits. ## Guides - [Can I Build an ADU in the City of Boston? (October 2026)](https://aducraftboston.com/can-i-build-an-adu-in-boston): Boston ADU rules as of October 2026: interior ADUs for owner-occupants, detached ADUs by right in Mattapan, and the 2026 draft zoning for Hyde Park, Roslindale and West Roxbury. - [Can I Rent My ADU Short-Term in Massachusetts? (October 2026)](https://aducraftboston.com/can-i-rent-my-adu-short-term-in-massachusetts): Short-term rental rules for ADUs in Massachusetts as of October 2026: what the state lets towns restrict, Brookline's ban, Newton's 30-day minimum and Boston's rules. - [Do I Need Parking for an ADU in Massachusetts? (October 2026)](https://aducraftboston.com/do-i-need-parking-for-an-adu-in-massachusetts): ADU parking rules in Massachusetts as of October 2026: at most one space, none within half a mile of subway, commuter rail, ferry or bus stations, and local examples. - [How Much Does an ADU Cost in Boston? (October 2026)](https://aducraftboston.com/how-much-does-an-adu-cost-in-boston): ADU costs in Boston and Massachusetts as of October 2026: MassCEC ranges by type, survey, permit and design costs, and incentives such as Mass Save. - [How Much Rent Can an ADU Make in Boston? (October 2026)](https://aducraftboston.com/how-much-rent-can-an-adu-make-in-boston): ADU rent in Boston as of October 2026: current median rents for one- and two-bedroom apartments, what sets an ADU's rent, and local rental limits. - [What Does the Massachusetts ADU Law Allow? (October 2026)](https://aducraftboston.com/what-does-the-massachusetts-adu-law-allow): The Massachusetts ADU law as of October 2026: by-right ADUs up to 900 sq ft in single-family zones since February 2, 2025, owner occupancy, entrances, parking and local limits. ## Services - [ADU Design and Permits in Boston, MA | ADU Craft Boston](https://aducraftboston.com/adu-design-and-permits): ADU design and permitting for Boston, Quincy, Newton, Somerville and Brookline: surveys, drawings, energy modeling, site plan review and Boston's zoning board path. - [Attached ADU Additions near Boston, MA | ADU Craft Boston](https://aducraftboston.com/attached-adu): Attached ADUs (additions with their own entrance) in Quincy, Newton, Somerville and Brookline: size limits, entrances, fire separation and cost. - [Basement and Attic ADUs in Boston, MA | ADU Craft Boston](https://aducraftboston.com/basement-or-attic-adu): Basement and attic ADUs in Boston and nearby: Boston's interior ADU rules for owner-occupants, building code basics, moisture, egress and cost. - [Detached ADU Builder in Boston, MA | ADU Craft Boston](https://aducraftboston.com/detached-adu): Detached ADUs and backyard cottages in Quincy, Newton, Somerville, Brookline and Mattapan: size caps, setbacks, height, costs and what the lot needs. - [Garage and Carriage House ADU Conversions near Boston](https://aducraftboston.com/garage-carriage-house-conversion): Convert a garage or carriage house into an ADU in Newton, Brookline, Somerville, Quincy or Boston: local rules, building work, parking and cost. ## Areas served - [ADU Builder in Brookline, MA | ADU Craft Boston](https://aducraftboston.com/brookline): Building an ADU in Brookline, MA: the May 2026 Article 14 bylaw, size and footprint caps, 22-foot height, setbacks, no parking requirement and no short-term rentals. - [ADU Builder in Newton, MA | ADU Craft Boston](https://aducraftboston.com/newton): Building an ADU in Newton, MA: Newton's 2025 ADU amendments, sizes for internal and detached units, carriage houses, height and setbacks. - [ADU Builder in Quincy, MA | ADU Craft Boston](https://aducraftboston.com/quincy): Building an ADU in Quincy, MA: the state by-right rule, parking near Red Line stations, coastal flood checks and which ADU types suit Quincy lots. - [ADU Builder in Somerville, MA | ADU Craft Boston](https://aducraftboston.com/somerville): Building an ADU in Somerville, MA: backyard cottages since 2019, the state 900 sq ft rule, dense lots, transit and what may change.