Build an Accessory Dwelling Unit ADU in Rhode Island

Homeowners across Rhode Island are adding accessory dwelling units (ADUs) to create flexible living spaces that fit their lifestyle. Whether you need an in-law suite for parents, a detached backyard cottage for guests, or a garage conversion that generates rental income, an ADU can expand living space, increase property value, and provide long-term versatility. As a Rhode Island licensed and insured general contractor, Toensing Construction specializes in designing and building ADUs that meet local zoning laws and exceed homeowner expectations.

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What an ADU Can Be

An accessory dwelling unit is a self-contained living space built on the same lot as your main home. Depending on your needs and property, an ADU can take several forms:

  • Garage-to-apartment conversions

  • Detached backyard cottages or guest houses

  • Over-garage rental studios

  • Basement apartments with private entrances

  • In-law suites or caregiver housing

These spaces are perfect for multigenerational living, rental income, or giving guests and family members a place of their own.

Our Approach to ADU Construction

Building an ADU in Rhode Island requires careful planning and knowledge of local regulations. Every municipality has unique zoning requirements, and navigating them can be complex. Toensing Construction simplifies the process with a clear, step-by-step approach:

  1. Site Consultation & Zoning Review

  2. Design Planning & Permit Filing

  3. Construction with Quality Control

  4. Final Inspection & Walkthrough

We coordinate with local officials, handle permitting, and ensure your ADU meets all code and safety standards. From a Providence basement apartment to a freestanding Barrington cottage, we make the process smooth and efficient.

Why Homeowners Choose Toensing Construction

  • Licensed and insured Rhode Island general contractor

  • Experienced with zoning laws and ADU permitting

  • In-house craftsmen skilled in precision carpentry

  • Start-to-finish project management and communication

  • Proven record with historic and custom properties

FAQs About ADUs in Rhode Island

Are ADUs legal in Rhode Island?

Yes. Rhode Island allows ADUs under specific zoning rules. Each town sets requirements for placement, use, and size.

What is an ADU?

An accessory dwelling unit is a secondary housing unit on the same lot as your home. It can be detached, attached, or above a garage, designed for rentals, guests, or additional living space.

Can I convert my garage into an ADU?

In many towns, yes. Garage conversions are one of the most cost-effective ways to create an independent living area.

Let’s Build Your ADU

If you’re ready to explore what an accessory dwelling unit could add to your home—whether it’s space for family, a new income stream, or flexible living—Toensing Construction can bring it to life. Contact us today to discuss your project.

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