bb-builders-new-logo-white-300x140

Second-Story Addition Experts

Maximize Your Home’s Potential with a Second-Story Addition
 
Need more space but don’t want to move? BB-Builders Pro specializes in second-story home additions, giving you the extra space you need without sacrificing your backyard. Whether you’re adding extra bedrooms, a new master suite, a home office, or a full second-floor expansion, our team delivers custom-designed second-story additions that seamlessly integrate with your existing home.
  • Double Your Living Space – Increase square footage without expanding your home’s footprint.
  • Increase Home Value – A second-story addition significantly boosts resale potential.
  • Custom Designs to Match Your Home – Seamless integration with your home’s style.
  • Energy-Efficient & Modern Upgrades – Smart insulation, windows, and lighting for comfort.
  • Permitting & Code Compliance Handled – We take care of all local regulations!

Trusted Family Owned Remodeling Service

Why Choose BB-Builders Pro for Your Second-Story Addition?

Experienced Home Addition Contractors

With years of expertise, our team specializes in designing and building safe, stylish, and functional second-story additions.

Custom Floor Plans & Architectural Designs

We work closely with you to design a second-story layout that fits your family’s needs and lifestyle.

Seamless Integration with Your Existing Home

Our expert builders ensure that your second story blends perfectly with your home’s current design, roofline, and structure.

Turnkey Solutions – We Handle Everything!

From architectural planning and engineering to permitting and construction, we take care of the entire project.

High-Quality Materials & Energy Efficiency

We use top-tier materials, energy-efficient insulation, and smart home technology to create a comfortable, cost-effective living space.

Our Second-Story Addition Services

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

Full Second-Floor Home Additions

Convert your single-story home into a two-story dream home, doubling your living space.

Master Suite Additions

Upgrade your home with a luxurious second-floor master suite featuring a spa-like bathroom, walk-in closet, and private balcony.

Extra Bedrooms & Bathrooms

Expand your home by adding multiple bedrooms and bathrooms for a growing family.

Home Office & Studio Spaces

Need a dedicated workspace? Add a quiet, productive home office or creative studio on your second floor.

Second-Floor Entertainment or Family Room

Create a spacious entertainment area, playroom, or media room on your second story.

Open-Concept Loft Additions

Design a beautiful open loft area for additional seating, a reading nook, or a second living room.

Custom Floor Plans & Designs

Every second-story addition is customized to fit your unique vision and functional needs.

Testimonials

What Our Customers Say​

Seattle - Shobna's Full Kitchen Renovation

Bellevue - Allan's Complete Kitchen Remodel

Our Proven Second-Story Addition Process

01

Free Consultation & Home Evaluation

We assess your home’s structure, discuss your goals, and provide expert recommendations for your second-story expansion.

02

Custom Design & 3D Rendering

Our team creates detailed architectural plans and 3D models, so you can visualize the final design before construction.

03

Engineering & Structural Planning

We ensure your home’s foundation and framing can support a second story, making necessary reinforcements for safety.

04

Permitting & Code Compliance

We handle all necessary permits, zoning regulations, and structural compliance requirements, so you don’t have to.

05

Site Preparation & Construction

Our builders carefully remove the existing roof, build the new second story, and seamlessly integrate it into your home.

06

Final Inspection & Walkthrough

We conduct a thorough quality check and final walkthrough to ensure everything meets building codes and your expectations.

FAQ

How much does a second-story addition cost?

Costs vary but typically range from $100,000 to $300,000, depending on size, materials, and complexity.

On average, 4 to 6 months, but it depends on permitting, design, and construction factors.

Yes, permits are required, including structural, electrical, and zoning approvals.

A structural engineer will assess if reinforcement or modifications are needed.

It depends on the scope—some homeowners stay, but it can be noisy and disruptive.

Plan for open layouts, additional bedrooms, bathrooms, or a master suite for efficiency.

Yes, it significantly boosts home value, often yielding a high return on investment (ROI).

Structural adjustments, staircase placement, plumbing, and electrical rerouting can be complex.

Yes, skilled architects ensure seamless exterior and interior integration.

Consult with a contractor or architect to assess feasibility, budget, and design options.

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.

second-story addition experts

Contact Us for Second Story Addition

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.