Nassau County's Premier ADU Construction Experts 

From Callahan to the Atlantic Coast

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Nassau County's Premier ADU Construction Experts

We specialize in ADU construction throughout Nassau County, creating granny flats, in-law suites, and guest cottages that maximize your property's potential. From beachside properties requiring coastal construction techniques to inland homes near the Timucuan Ecological Preserve, our expert team ensures seamless design and construction. We handle all Nassau County permitting, inspections, and coordination, making your ADU project stress-free from concept to completion.

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Comprehensive ADU Services Across Nassau County

  • ADU Design & Planning

    Custom accessory dwelling unit designs for Nassau County properties from Fernandina Beach to Callahan, incorporating coastal requirements and rural zoning standards while maximizing your property's potential.

  • Granny Flats & In-Law Suites

    Complete construction of detached or attached in-law suites designed for multi-generational living, providing privacy and independence while keeping family close on your Nassau County property.

  • Tiny Homes & Guest Cottages

    Purpose-built tiny homes and guest cottages ranging from 400-1,200 square feet, perfect for rental income or hosting visitors on Amelia Island and throughout Nassau County.

  • Garage Conversions

    Transform existing garages into functional ADUs with full kitchens, bathrooms, and living spaces, maximizing your Nassau County property's value without expanding your footprint.

  • Permitting & Zoning Compliance

    Complete management of Nassau County Building Department permits, zoning approvals, and inspections, ensuring your ADU meets all coastal construction and flood zone requirements.

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Built for Nassau County's Diverse Communities

Nassau County stretches from Amelia Island's pristine beaches to the rural landscapes near the Georgia border. We're intimately familiar with the building requirements across all Nassau County municipalities, from Fernandina Beach's historic district regulations to Hilliard's rural development standards. Our ADU projects honor the county's natural beauty while meeting Florida Building Code requirements specific to our coastal wind zones and flood plains. Whether your property is near Fort Clinch State Park, along the scenic Amelia River, or in one of the county's growing inland communities, we create ADUs that enhance your property's value and functionality.

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Why Nassau County Trusts Sunshine State Professional Services Inc.

  • Nassau County Permitting Expertise

    We navigate Nassau County's building department requirements efficiently, from coastal zone regulations in Fernandina Beach to rural development standards in Callahan, ensuring smooth approvals without costly delays.

  • Coastal & Inland Construction Knowledge

    Our team understands the distinct requirements for properties from the Atlantic shoreline to inland areas near the Georgia border, including proper wind mitigation for coastal zones and soil considerations for rural parcels.

  • Multi-Generational Living Solutions

    We design ADUs that support Nassau County families keeping aging parents close while maintaining independence, or creating rental income to offset the growing property values throughout the county.

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Ready to expand your Nassau County property with a custom ADU? Contact Sunshine State Professional Services Inc. today for a consultation and discover how we can create the perfect accessory dwelling unit for your home.

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Request a Quote Form - ADU Location