Accessory Dwelling Units (ADUs) in Woburn, MA

Written By Tyler Munroe

Woburn, like many Massachusetts communities, is adapting to the state's evolving housing landscape. With the introduction of the Affordable Homes Act, homeowners in Woburn have new opportunities to add Accessory Dwelling Units (ADUs) to their properties.​

Here's what you need to know about building an ADU in Woburn as of 2025.

Statewide ADU Regulations: The Affordable Homes Act

In August 2024, Massachusetts enacted the Affordable Homes Act, a significant piece of legislation aimed at addressing the state's housing shortage. A key provision of this act is the allowance of ADUs by right in single-family zoning districts.​

Key provisions include:

  • By-right ADUs: Homeowners can build ADUs without needing special permits, provided they meet certain criteria.​

  • Size limitations: ADUs must be no larger than 900 square feet or 50% of the primary dwelling's gross floor area, whichever is smaller.​

  • No owner-occupancy requirement: Municipalities cannot mandate that either the main house or the ADU be owner-occupied.​

  • Parking requirements: No additional parking is required if the property is within 0.5 miles of public transit.​

These regulations aim to streamline the process for homeowners and encourage the development of diverse housing options across the state.​

Woburn's Local ADU Policies

Prior to the Affordable Homes Act, Woburn had its own set of regulations concerning ADUs. While specific details of the local ordinance are not widely known, it's essential to note that any local regulations conflicting with the state law are now overridden.​

For instance, if Woburn previously required owner occupancy for ADUs, such a requirement is no longer enforceable under the new state law. Homeowners should consult the Woburn Planning Board or local zoning office to understand any remaining local provisions that align with the state law.​

Community Sentiment & Local Implementation

Woburn's approach to ADUs reflects a broader trend in Massachusetts communities striving to balance housing needs with neighborhood character. The city's adaptation to the Affordable Homes Act indicates a willingness to embrace state-led initiatives to address housing shortages.​

While specific community sentiments in Woburn are not widely known, the general move towards accommodating ADUs suggests a positive outlook on expanding housing options.​

What This Means for Homeowners in Woburn

If you're a homeowner in Woburn considering adding an ADU to your property, here's what you should know:

  • Permitting: With the Affordable Homes Act, you can build an ADU by right, eliminating the need for special permits, provided your project meets the stipulated criteria.​

  • Design considerations: Ensure your ADU design complies with both state and any applicable local regulations, especially concerning size and setbacks.​

  • Consult local authorities: While state law provides overarching guidelines, it's crucial to consult Woburn's local planning or zoning department for any additional requirements or recommendations.​

Get a Custom ADU Roadmap for Your Property

Considering building an ADU in Woburn? We offer a comprehensive ADU Roadmap Report tailored to your property. This includes:

  • Site visit and feasibility analysis

  • Cost estimation and timeline

  • Guidance on permitting processes

  • Rental income projections

  • Contractor referrals

👉 Schedule Your ADU Roadmap Consultation

Note: For the most accurate and up-to-date information on Woburn's ADU policies, please refer to the official city documents or contact the local planning department directly.

Tyler Munroe
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