ADU with large glass doors

Unlock Your Home's Potential with a Custom ADU

We simplify ADU building with expert design, permitting, and construction—all in one place.


Wilmington, NC

Discover the benefits of an Accessory Dwelling Unit

  • An ADU can boost your home's resale value by 20-35%, depending on location and quality of construction.

  • ADUs can generate $1,000 to $3,000 per month in rental income, creating a steady revenue stream.

  • Whether for multi-generational living, a home office, or guests, an ADU maximizes your property's potential.

  • Give aging parents, adult children, or guests their own space while keeping them close.

From our Instagram:

From dirt to done — swipe through the construction stages of a custom detached ADU. Built to last, custom designed to fit your life. #ADU #PortCityADU #AccessoryDwellingUnit #BackyardHome #CustomBuild #WilmingtonNC #ConstructionLife #DesignBui
From dirt to done — swipe through the construction stages of a custom detached ADU. Built to last, custom designed to fit your life. #ADU #PortCityADU #AccessoryDwellingUnit #BackyardHome #CustomBuild #WilmingtonNC #ConstructionLife #DesignBuild #HomeAddition #SmallSpaceBigImpact #BuildBetter #DetachedADU
We’re live! Welcome to Port City ADU – Wilmington’s one-stop shop for high-quality detached accessory dwelling units. ⁠ Whether you're looking to add rental income, build a home office, or create a space for family — we handle
We’re live! Welcome to Port City ADU – Wilmington’s one-stop shop for high-quality detached accessory dwelling units. ⁠ Whether you're looking to add rental income, build a home office, or create a space for family — we handle the entire process from design to permitting to construction. Follow us for build updates, design inspiration, and tips on making the most of your backyard. 📍Based in Wilmington, NC 🎯 Focused on quality, style & simplicity 🎨 Custom & standard designs available #PortCityADU #ADUlife #WilmingtonNC #BackyardHome #DetachedADU #TinyHouseLiving #HomeAddition #CustomADU
From dirt to done — swipe through the construction stages of a custom detached ADU. Built to last, custom designed to fit your life. #ADU #PortCityADU #AccessoryDwellingUnit #BackyardHome #CustomBuild #WilmingtonNC #ConstructionLife #DesignBui We’re live! Welcome to Port City ADU – Wilmington’s one-stop shop for high-quality detached accessory dwelling units. ⁠ Whether you're looking to add rental income, build a home office, or create a space for family — we handle

FAQ

  • An ADU is a secondary housing unit located on the same property as a primary residence. It can be a detached structure, a garage conversion, or a unit attached to the main house. ADUs provide flexible living space for family members, rental income, or personal use.

  • Zoning laws and permitting requirements vary by location. In Wilmington, ADUs must comply with local zoning regulations, size restrictions, and setback requirements. Our team at Port City ADU can handle the permitting process to ensure your project meets all local codes.

  • The cost of an ADU depends on size, design, materials, and site conditions. On average, a detached ADU can range from $80,000 to $250,000 or more. We offer standard and custom designs to fit different budgets and needs.

  • Yes, there are multiple financing options available for ADU construction, including:

    • Home equity loans or HELOCs

    • Construction loans

    • Cash-out refinancing

    • Personal savings or private financing

      We can help you explore financing options that best fit your situation.

  • The timeline varies based on design, permitting, and construction complexity. On average, the process takes 5 to 8 months, including planning, permitting, and building. At Port City ADU, we manage the entire process to keep your project on schedule.

Our Process…

  • We work closely with you to create a custom ADU design that fits your needs, property, and budget. Every project is tailored to maximize space, functionality, and aesthetic appeal.

  • We handle all the paperwork, approvals, and coordination with local authorities to ensure a smooth permitting process.

  • Our team manages the entire build, from site preparation to final finishes, delivering a high-quality ADU with expert project management.

  • Enjoy peace of mind with our comprehensive warranty, ensuring your ADU meets quality standards and performs as expected.

Contact us

Interested in working together? Fill out some info and we will be in touch shortly. We can’t wait to hear from you!

Call us at 910-833-1164 to learn more.