New construction framing on a residential building

Custom ADUs Built to Last

Accessory Dwelling Unit (ADU) Construction in Atlantic Beach, FL

Add living space, rental income, or room for family.

Over 15 Years

In business since 2011

RJ Vinas Construction LLC builds accessory dwelling units (ADUs) for homeowners across Atlantic Beach and Duval County. Whether you need space for a growing family, a place for guests, or a rental unit, Richard Vinas brings 15 years of construction experience to every ADU project.

A Flexible Addition to Your Property

An ADU adds real value and flexibility to your home, extra living space, rental income potential, or an in-law suite, built to match the quality of your existing home.

Why Choose RJ Vinas Construction for Your ADU?

From permitting and design coordination to framing, electrical, plumbing, and finishing, we manage the full ADU build so it’s done right the first time, backed by a 1-year workmanship guarantee.

Built to Last

Craftsmanship you can stand on

Every adus project at RJ Vinas Construction LLC is backed by 15 years of hands-on experience and dependable, reliable craftsmanship. We use high-quality materials and expert craftsmanship so your investment looks great and lasts for years to come.

Call (904) 514-4442

ADU Services We Provide

  • New ADU Construction
  • Detached Guest Suites
  • In-Law Suites
  • Garage Conversions
  • Permitting & Design Coordination
  • Full Electrical & Plumbing
  • Framing & Foundation Work
  • Interior Finishing

Our Process

What to Expect

  1. 1

    Project Consultation

    We discuss your goals, whether it's rental income, guest space, or room for family, and assess your property.

  2. 2

    Design & Permitting

    We coordinate the design and handle the permitting process so your ADU meets local requirements.

  3. 3

    Transparent Quote

    A detailed estimate covering materials, labor, and timeline before any work begins.

  4. 4

    Managed Build

    From foundation to finish, we manage every step so your ADU is completed on time and to the highest standards.

Ready to start your project? Call for a FREE estimate.

(904) 514-4442

FAQ

Frequently Asked Questions

What is an ADU?

An accessory dwelling unit (ADU) is a secondary, self-contained living space on your property, whether attached, detached, or converted from an existing structure like a garage.

Can an ADU be used as a rental?

Many homeowners build ADUs specifically for rental income or long-term guests. Local zoning and permitting requirements apply, and we help coordinate that process.

How long does ADU construction take?

Timelines vary based on size, permitting, and scope. We'll walk you through a realistic schedule as part of your quote.

Do you handle permits for ADU construction?

Yes, we coordinate the design and permitting process so your ADU meets Duval County requirements.

What Our Clients Say

“Professional and Reliable”

Richard did a fantastic job on our project. He was professional, reliable, and easy to communicate with from start to finish. The work was completed neatly and the final result looks great. Definitely a 5-star experience.

Sarah

Direct · January 2026

“Dependable and Honest”

Richard was dependable, honest, and professional throughout the whole project. The work was done cleanly and the finished result turned out exactly how we wanted. I would definitely recommend him.