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ADU Setback Requirements in Middleborough, MA

ADU setback requirements in Middleborough follow state baseline rules.

ADU setback rules for Middleborough, Massachusetts. Front, side, and rear setback distances, plus height limits and lot coverage restrictions.

Data verified as of March 2, 2026
State Baseline Only — Local Details Not Yet Researched

ADU Regulations in Middleborough

Middleborough follows the Massachusetts state baseline under the Affordable Homes Act. This means all Massachusetts state-level ADU rights apply — including by-right approval, no owner occupancy requirement, and standardized size limits. Middleborough may also have additional local regulations that supplement the state baseline.

Planning Your ADU Placement

When planning your ADU in Middleborough, start by mapping your property boundaries and subtracting the required setbacks on each side. The remaining area is your buildable envelope. Consider the location of existing structures, utility connections, access paths, and landscaping when choosing the best spot for your ADU.

Important: State Baseline Data

The information on this page reflects Massachusetts state baseline rules. Middleborough may have additional local requirements. We recommend confirming with your local building department before starting your project.

Middleborough ADU Rules at a Glance

Max Size

900 sq ft

% of Home

50%

Parking

1 space(s)

Approval

BY RIGHT

Owner Occupancy

Not required

Rental Allowed

Yes

Short-Term Rental

Not allowed

Middleborough Building Department

Middleboro Building Inspector

20 Center St # 2, Middleborough, MA 02346, USA

Phone: (508) 946-2426

Visit Website →

Frequently Asked Questions

Do ADU setbacks differ from the main house in Middleborough?

ADU setback requirements in Middleborough may differ from those for the main house. ADUs often have reduced setback requirements to make them feasible on existing lots. The Affordable Homes Act sets minimum standards that Middleborough must allow.

Can I get a setback variance for my ADU in Middleborough?

Setback variances are possible but not guaranteed in Middleborough. You would need to apply to the zoning board of appeals and demonstrate a hardship — such as an unusually shaped lot or topographic constraints. Before pursuing a variance, verify your exact property dimensions against the setback requirements.

How accurate is the ADU data for Middleborough?

The information on this page reflects Massachusetts state baseline rules under the Affordable Homes Act. Middleborough may have additional local requirements that differ from the state baseline. We recommend confirming with your local building department before starting your project.

Where can I find all ADU regulations for Middleborough?

Visit our complete ADU rules page for Middleborough, MA for a full overview of zoning, permits, size limits, setbacks, parking, and costs. We cover all Massachusetts municipalities with data sourced from local ordinances and state law.

Check Your Address

See exactly what ADU rules apply to your specific property in Middleborough.