Newark, with its growing neighborhoods and convenient Bay Area location, is an ideal place to invest in your property. One of the best ways to do that? Building an Accessory Dwelling Unit (ADU). Whether you’re creating a rental opportunity, housing extended family, or simply adding versatile space to your home—an ADU delivers long-term benefits and real flexibility.

At Royalty Builders, we specialize in ADU design and construction across the East Bay. With deep experience in local permitting, zoning, and custom building, we help Newark homeowners bring their vision to life with clarity, confidence, and quality.

Types of ADUs We Build in Newark

Every property in Newark has its own potential—and we know how to make the most of it. Our team builds a wide variety of ADUs, designed to match your goals, site conditions, and personal taste.

We specialize in:

• Detached ADUs – Perfect for independent rentals, guest homes, or private suites

• Attached ADUs – Seamless extensions of your home, ideal for family or aging in place

• Garage Conversions – An affordable and efficient way to repurpose underused space

• Above-Garage ADUs – Excellent for small lots or maximizing square footage vertically

• Basement Conversions – Transform existing lower-level areas into bright, functional living space

We’ll help you choose the right solution and create a plan that works within Newark’s zoning requirements.

Full-Service ADU Design + Build in Newark

With Royalty Builders, your ADU project is in expert hands from start to finish. We offer a comprehensive design-build model, which means everything—from the first sketch to the final inspection—is managed in-house by our experienced team.

Our all-inclusive service includes:

• On-site consultation and property evaluation

• Custom architectural design and 3D visualization

• Structural engineering and Title 24 energy compliance

• Full permit handling with the City of Newark

• Skilled construction with quality materials and finishes

• Final walkthrough, utility connections, and occupancy sign-off

We make the process smooth, efficient, and stress-free—so you can focus on the results, not the paperwork.

How Much Does It Cost to Build an ADU in Newark?

ADU construction costs in Newark vary depending on size, layout, design, and existing site conditions. At Royalty Builders, we provide transparent, line-by-line estimates so you know exactly what you’re investing in—no guesswork.

Typical ADU pricing in Newark:

• Garage Conversion: $120,000 – $170,000

• Attached ADU: $180,000 – $290,000

• Detached ADU: $200,000 – $350,000+

• Above-Garage ADU: $220,000 – $360,000

Need help with budgeting? We’ll also walk you through financing options and cost-saving strategies to make your project a reality.

Permits for ADU Construction in Newark – What You Need to Know

Newark, like many California cities, supports ADU development under state guidelines. Still, local review processes, zoning limits, and neighborhood conditions all play a role. That’s why having a knowledgeable team is essential.

We handle:

• Site planning and zoning analysis

• Complete preparation and submittal of permit documents

• Liaison with city officials and plan check corrections

• Compliance with fire safety, height, setback, and utility rules

• Final inspections and approvals

Royalty Builders ensures that your ADU meets all code requirements—without delays or headaches.

Why Build an ADU in Newark?

Newark is a vibrant, growing community located at the crossroads of the East Bay and Silicon Valley. With rising home values, a strong rental market, and a family-friendly environment, it’s the perfect city for adding an ADU to your property.

Here’s why Newark homeowners are going all in on ADUs:

• 🏠 Flexible living space for multigenerational families or frequent guests

• 💼 Dedicated office or hobby area right on your property

• 💰 Rental income to offset your mortgage or increase monthly cash flow

• 📈 Higher resale value thanks to added square footage and functionality

• 🔧 Future-proof design for aging in place or changing family needs

An ADU lets you stay in the home and community you love—while upgrading your lifestyle and long-term investment.

Frequently Asked Questions – ADUs in Newark

Q: What’s the maximum size for an ADU in Newark?
A: Most detached ADUs can be up to 1,200 sq. ft., depending on your lot size. We’ll help you determine the maximum allowed on your property.

Q: Do I need to add parking with an ADU?
A: In many cases, no—especially if your property is near public transit or you’re converting an existing structure.

Q: How long does the process take?
A: Most projects take between 6–10 months, from design through construction and final approvals.

Q: Can I legally rent out my ADU?
A: Yes. Newark allows permitted ADUs to be rented as long-term residences. We’ll make sure your project is fully compliant.

Contact Royalty Builders – Newark’s Local ADU Contractor

Your dream ADU is just a conversation away. Whether you’re looking for extra space, passive income, or long-term flexibility, Royalty Builders is here to make it happen—with experience, integrity, and top-tier results.

📞 Contact us today and schedule your free ADU consultation in Newark.

Smart design. Solid construction. Exceptional service—Royalty Builders delivers it all.