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Bay Area Home Additions Company

BNO Builders Are The Bay Area’s Best Room Addition Contractors

BNO Builders prides itself on being the leading room addition contractor in the Bay Area. With 15 years of experience and a dedicated team of skilled contractors, we transform homes with high-quality, custom-designed additions that meet the unique needs of our clients. Whether you're looking to expand your living space, add a new bedroom, or create a home office, BNO Builders has the expertise and passion to bring your vision to life.

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5 stars

Bay Area Loves Working With Our Home Addition Builders

Omer & his crew did a wonderful job on the renovations on our home. The workmanship was really good, it exceeded my expectations and they worked with me and were flexible with helping me stay on budget. They were able to work with my schedule and start the project pretty quickly, I didn’t have to wait a long time since I was on a strict timeline . Can’t recommend Omer enough, I’ll def work with them for future projects and recommend them to friends!” – Jehonatan Meshulam

Bay Area Home Addition Ideas

Whether you’re looking to build an ADU for rental income, an in-law suite for family, or a specialized space like a home theater or gym, the possibilities are endless. We can help you explore creative and practical ideas to make the most of your home addition project.

  • Bedroom Additions
  • Bathroom Additions
  • Sunroom or Conservatory
  • Family Room or Living Room Addition
  • Home Office Addition
  • Dining Room Extension
  • In-Law Suites & ADU Additions
  • Second Story Additions
  • Home Theater Addition
  • Exercise Room or Gym Addition
  • Multi-Room Addition
  • Garage Addition
  • Garage Conversion

Bay Area Room Addition Services

Expanding your home in the Bay Area offers numerous possibilities to enhance both functionality and value. Whether you envision a cozy bedroom addition, a luxurious new bathroom, or a bright sunroom to soak in the natural light, there’s an option to suit every need. Our team is here to help you explore and realize the perfect addition to elevate your home’s comfort and style.

  • Initial Consultation and Needs Assessment
  • Planning and Customized Design Solutions
  • Structural Assessment and Load-Bearing Analysis
  • Budgeting and Cost Estimation
  • Permitting and Regulatory Approvals
  • Construction and Project Management
  • Interior and Exterior Finishing
  • Project Completion and Handover

How Much Do Home Additions Cost In The Bay Area?

The cost of home additions in the Bay Area varies depending on the size, complexity, and materials used in the project. On average, you can expect to invest between $100,000 to $300,000. Our team provides detailed estimates and works within your budget to deliver exceptional value and quality.

Do You Need A Permit For Home & Room Additions In The Bay Area?

Yes, permits are required for most home and room addition projects in the Bay Area. These permits ensure that your addition complies with local building codes and safety standards. We handle all aspects of the permitting process, making it stress-free for you.

How Long Does It Take to Complete A Room Additions Project In The Bay Area?

The timeline for completing a room addition project in the Bay Area typically ranges from 3 to 6 months, depending on the scope and complexity of the project. This includes the design phase, permitting process, and construction. We strive to complete projects efficiently while maintaining high standards of quality.

Our Bay Area Home Addition Projects

Our portfolio showcases a variety of home addition projects completed throughout the Bay Area. From cozy bedroom additions to expansive multi-room expansions, each project reflects our commitment to quality and customer satisfaction.

Let’s Discuss Your Home & Room Addition Needs!

Ready to expand your living space? Contact us today to schedule a consultation and discuss your home and room addition needs. We are here to guide you through every step of the process, ensuring a smooth and successful project. Let’s turn your vision into reality!

OFFICE HOURS

  • Mon – Fri: 8 AM–7 PM
  • Sat: Closed
  • Sun: 9 AM–7 PM

Cities We Serve

  • San Jose
  • Palo Alto
  • Berkeley
  • Sunnyvale
  • Oakland
  • Fremont
  • San Francisco
  • Walnut Creek
  • Redwood City
  • San Carlos
  • Pleasanton
  • Pleasant Hill
  • San Mateo
  • Foster City
  • Burlingame
  • Hillsborough

Our Bay Area Offices

San Jose Location

2290 N First St,
San Jose, CA 95131
(669) 201-2533

Walnut Creek Location

1255 Treat Blvd,
Walnut Creek, CA 94597
(925) 886-0226

READY TO BEGIN REMODELING YOUR HOME OR BUSINESS?

Begin your journey of transforming your ideas into your dream home or commercial space. Skip the subcontractors and salespeople, as our experts possess the remodeling expertise and design creativity to build your ideal space. Request a free call today!

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