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DADU and ADU Experts – Transform Your Space

Maximize Your Property’s Potential with Expert ADU Construction & Home Expansion
 

Are you looking to expand your living space, build a rental unit, or create a guest house? BB-Builders Pro specializes in high-quality Detached Accessory Dwelling Units (D-ADUs), Accessory Dwelling Units (ADUs), and home extensions tailored to your needs. Whether you need a standalone backyard cottage, an attached ADU, a garage conversion, or a full home addition, our experienced team delivers custom solutions that enhance both the functionality and value of your property.

  • Increase Property Value – ADUs and home extensions boost resale potential.
  • Generate Passive Income – Rent out your ADU for a steady income stream.
  • Multigenerational Living – Keep family close with independent living spaces.
  • Home Office, Guest Suite, or Studio – Custom designs for your lifestyle.
  • Sustainable & Energy-Efficient – Built with modern, eco-friendly materials.

Trusted Family Owned Remodeling Service

Why Choose BB-Builders Pro for Your ADU & Home Expansion Project?

Industry Experts with Years of Experience

Our team of licensed ADU builders, home addition contractors, and construction specialists has successfully completed numerous projects, ensuring top-tier craftsmanship and adherence to all building codes.

Custom ADU & Home Extension Designs

We create tailor-made ADU floor plans, detached ADU layouts, and home expansion blueprints that blend seamlessly with your existing property.

Hassle-Free Permitting & Compliance

Navigating zoning laws, building permits, and city regulations can be overwhelming. We handle everything, ensuring your project meets all requirements.

Superior Quality Materials & Energy Efficiency

We use durable, high-performance materials designed to last longer, reduce maintenance costs, and lower energy bills.

End-to-End Project Management

From initial consultation and 3D rendering to final walkthrough, we manage every aspect of your ADU or home extension project, ensuring a stress-free experience.

Our D-ADU, ADU, and Home Extension Services

BB-Builders Pro offers a wide range of services to cover every aspect of your expansion project. Our comprehensive services include:

Detached Accessory Dwelling Units (D-ADUs)

Create a standalone, fully functional living space in your backyard—perfect for rental income, aging parents, or guest accommodations.

Attached ADUs (Home Additions & Garage Conversions)

Expand your current home by building an attached ADU, converting your garage, or repurposing an underutilized space into a livable unit.

Home Extensions & Second-Story Additions

Need more room? We design and build custom home expansions, adding bedrooms, bathrooms, second stories, and more.

Custom ADU & Home Expansion Designs

We offer resurfacing services to give your existing deck a fresh, new look without the need for a full replacement.

Permitting, Zoning & Code Compliance

We handle all permits, zoning approvals, and municipal requirements, ensuring a smooth and legal construction process.

Renovations & ADU Upgrades

Already have an existing ADU or home extension? We offer modern renovations, interior upgrades, and energy-efficient improvements to enhance your space.

Testimonials

What Our Customers Say​

Seattle - Shobna's Full Kitchen Renovation

Bellevue - Allan's Complete Kitchen Remodel

Our Proven ADU & Home Extension Process

01

Free Consultation & Site Evaluation

We assess your property, discuss your goals, and offer expert advice on the best ADU or home expansion options for your needs.

02

Custom Design & 3D Rendering

Our architects create detailed blueprints and 3D models, allowing you to visualize your ADU or home addition before construction begins.

03

Permitting & Legal Approvals

We take care of all permits, zoning regulations, and compliance requirements, so you don’t have to worry about legal issues.

04

Site Preparation & Construction

Our skilled builders begin the construction process, ensuring quality, efficiency, and minimal disruption to your property.

05

Final Inspection & Move-In Ready ADU/Home Addition

Once complete, we conduct a thorough inspection and walkthrough, ensuring everything meets safety and quality standards.

FAQ

What is an ADU?

An ADU (Accessory Dwelling Unit) is a secondary housing unit on a single-family lot, such as a backyard cottage, basement apartment, or garage conversion.

ADUs provide extra living space, increase property value, generate rental income, and offer housing for family members.

Yes, ADU construction requires permits that vary by city and state. Always check local zoning laws and building codes.

Costs typically range from $50,000 to $300,000, depending on size, materials, and location.

On average, ADU construction takes 6 to 12 months, including permitting, design, and building.

Yes, most cities allow ADUs to be rented out, but some have regulations on short-term rentals.

ADUs typically range from 150 to 1,200 square feet, depending on local regulations.

Some ADUs share utilities with the main home, while others may need separate connections depending on local codes.

Yes, garage conversions are a popular way to create an ADU, subject to zoning and building requirements.

Yes, an ADU can increase property value and taxes, but the impact varies based on location and appraisal.

Simple Financing Options

$0 Payments, For 12 Months, Financing

Discover the perfect financing solution for your remodeling project. We provide tailored options to suit your budget and ensure your dream home becomes a reality.

dadu and adu experts – transform your space

Contact Us for Adu Construction

Contact us today for a free consultation, and let’s begin transforming your house into the home you’ve always wanted.

Ready to Build Your Dream Home?

Contact us today for a free consultation, and let’s begin transforming your house into the home you’ve always wanted.