Accessory Dwelling Unit near Me in Boston, MA | AccessoryDwellingUnit Experts

Looking for accessory dwelling unit near me in Boston, MA? Call AccessoryDwellingUnit Experts for a contact a provider — no obligation. Licensed adu builders serve Boston and the surrounding area, and you'll get straight answers on timing and what affects the price.

Last updated: September 24, 2026

What affects the price

Building an ADU is a major project, and the final bill depends on a few key things. Site prep is a big factor; if your land is sloped or needs extensive utility connections, costs go up. The materials you choose—from siding to kitchen finishes—also change the math significantly. Whether you’re building a detached unit or converting an existing garage shifts the permit requirements and structural work needed. We provide exact pricing confirmed free on the call.

About this service

Searching for an ADU near you is the first step toward finding a local team that understands your neighborhood’s specific requirements. Whether you are looking for a detached cottage or an attached unit, working with local experts ensures your project follows regional ordinances and climate considerations. This approach is best when you are starting the planning phase and want to see examples of nearby work or need a team that can easily visit your property for a consultation.

Frequently asked in Boston

What are the disadvantages of ADUs in Massachusetts?

How much does an ADU cost in Massachusetts?

The cost of an ADU in Massachusetts depends on factors like size, materials, and site preparation. Complexities such as foundation work or utility upgrades can also affect the final price. It's essential to get a detailed quote tailored to your project. The pros can help you understand what influences the cost.

What are the rules for ADUs in California?

While this is for Massachusetts, California has specific statewide standards for ADUs, generally permitting them with streamlined approval processes. However, individual cities within California may have additional local ordinances. Understanding these rules is vital for any ADU project, regardless of state.

Is an ADU allowed in Maryland?

What are the rules for ADU in California?

California's ADU laws aim to encourage their development, often setting minimum standards and limiting local restrictions. However, cities can still impose certain requirements related to setbacks or design. It's always best to verify specific local rules.

While California has had grant programs to support ADU development, these initiatives are specific to that state. Massachusetts may have different incentives or programs available. It's wise to inquire about any local or state financial assistance that might apply to your project.

Also serving nearby: Quincy · Cambridge · Lynn · Newton · Brockton

All cities in Massachusetts →

More on this: HUD ADU resources — ADU policy and financing research.

Service area details

653,833residents

13,525per sq mile

8ZIP codes served

Serving all of Boston — population 653,833; about 13,525 residents per square mile across 48.3 sq mi. ZIP codes covered include 02108, 02109, 02110, 02111, 02112, 02113, 02114, 02115.

Neighborhoods served in Boston: Back Bay, Beacon Hill, South End, North End, Jamaica Plain, Charlestown — and every surrounding area.