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ADU Rental Income in Marion, MA

Estimate ADU rental income in Marion, Massachusetts. Monthly income potential, rental rules, and tips to maximize your returns.

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

ADU Regulations in Marion

Marion 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. Marion may also have additional local regulations that supplement the state baseline.

ADU Rental Income in Marion

An ADU in Marion can generate $1,500-$3,000+ per month in rental income, depending on size, finishes, and location within the municipality. Long-term rentals are permitted in Marion. Short-term rentals are not currently allowed for ADUs. For full zoning rules, see our ADU zoning guide for Marion.

Maximizing Your Rental Returns

To maximize rental income from your ADU in Marion:

  • Build to the maximum allowed size (900 sq ft) for higher rent
  • Include in-unit laundry and a full kitchen — tenants pay premium for these
  • Add a separate entrance and private outdoor space
  • Choose durable, low-maintenance finishes to reduce turnover costs

Is an ADU a Good Investment in Marion?

With no owner occupancy requirement, you can rent both your main home and ADU for maximum income. Most ADU owners in Massachusetts see their construction costs recouped within 5-10 years through rental income alone, with ongoing property value appreciation on top. See our ADU costs guide for Marion for a full budget breakdown.

Important: State Baseline Data

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

Marion 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

Marion Building Department

Marion Building Department

2 Spring St, Marion, MA 02738, USA

Phone: (508) 748-3516

Visit Website →

Frequently Asked Questions

How much rent can I charge for an ADU in Marion?

ADU rental income in Marion typically ranges from $1,500-$3,000+ per month, depending on size, finishes, and location. A full 900 sq ft 2-bedroom unit commands premium rates.

Can I use my ADU as an Airbnb in Marion?

Short-term rentals (like Airbnb) are not currently allowed for ADUs in Marion. Long-term rentals are permitted.

Do I need to live on the property to rent out my ADU in Marion?

No, Marion does not require owner occupancy. You can rent both your main home and the ADU for maximum rental income.

How long until my ADU pays for itself in Marion?

Most ADU owners recoup their construction costs within 5-10 years through rental income. The exact payback period depends on your construction costs, rental rate, and ongoing expenses. See our ADU costs guide for Marion for a detailed budget estimate.

How accurate is the ADU data for Marion?

The information on this page reflects Massachusetts state baseline rules under the Affordable Homes Act. Marion 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 Marion?

Visit our complete ADU rules page for Marion, 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 Marion.