Our Service

Home Additions in Bellevue, WA

Looking for expert home addition contractors in Bellevue? Call (425) 582-1983 to expand your home with confidence.

Craft & Forge Homes specializes in high-end home additions for Bellevue homeowners who want more space without compromising design, quality, or long-term value. From concept through construction, we create seamless additions that feel like they’ve always belonged.

Why Build

When a Home Addition Is the Right Choice

As your needs change, your home should evolve with you. A thoughtfully designed addition allows you to gain space, functionality, and flexibility—without leaving the neighborhood you love.

Many Bellevue homeowners explore home additions when they face the following challenges:

Outgrowing your current layout

Growing families, remote work, or lifestyle changes can quickly make an existing floor plan feel restrictive.

Lack of functional living space

Insufficient bedrooms, bathrooms, or gathering areas often limit how comfortably a home can be used day to day.

Avoiding the cost and stress of moving

In competitive Bellevue neighborhoods, expanding your current home is often more cost-effective than purchasing a larger one.

If any of these sound familiar, a custom home addition can help you stay rooted while gaining the space your life demands.

Our Process

Custom Home Addition Services in Bellevue

Our team designs and builds home additions that integrate seamlessly with your existing architecture while elevating the overall experience of your home.

Primary Suite Additions

Create a private retreat with a spacious bedroom, walk-in closet, and spa-inspired bathroom designed for long-term comfort.

Second-Story Additions

Maximize your property footprint with an upward expansion that adds bedrooms, offices, or flexible living areas.

Family Room & Living Space Expansions

Open up your home with expanded living areas designed for entertaining, relaxation, and everyday connection.

Kitchen & Dining Additions

Extend your kitchen or dining space to improve flow, increase storage, and support modern living and hosting.

Structural & Architectural Integration

We carefully match materials, rooflines, and finishes so your addition feels original—not appended.

Design Visualization & Planning

Our detailed 3D renderings allow you to explore layouts, massing, and finishes before construction begins, ensuring clarity and confidence.

The Craft & Forge Homes Difference

Hear from Patrick on how we built his perfect Patio.

Our Promise

Trusted Home Addition Contractors in Bellevue

Bellevue homeowners choose Craft & Forge Homes because we prioritize quality, transparency, and the overall experience—not just the final square footage.

  • Clear, upfront pricing with detailed scopes of work
  • Lifetime craftsmanship warranty
  • Experienced crews who respect your home and schedule
  • Consistent communication from design through completion

We are licensed, insured, and deeply familiar with Bellevue’s permitting requirements and construction standards—allowing your project to move forward smoothly.

Contact Us

Expand Your Bellevue Home With Craft & Forge Homes

A well-designed home addition enhances how you live today while increasing long-term property value. At Craft & Forge Homes, we design additions that support your future, reflect your style, and feel effortlessly integrated.

Call Craft & Forge Homes at (425) 582-1983 to schedule your Bellevue home addition consultation today.

Facts and figures

What should I expect?

With home construction in the Seattle area, pricing can be confusing.
We have a solution. Our cost guide gives you exact details for how much your project could cost based on industry standards.

What’s included in this cost guide:

  • Average cost of a kitchen remodel
  • Average cost of a bathroom remodel
  • Average cost of a home addition
  • Average cost of an accessory dwelling unit (ADU) 
  • Costly mistakes to avoid when remodeling
  • Why choose design-build?

Download our cost guide

Enter your email and learn how much your project could cost.

Our impact

Homes built to last

We don’t just build homes, we build futures. Hear from our past clients on how Craft & Forge helped bring their dream home into reality.

Common Questions

Frequently Asked Questions

Here are answers to some of the most common questions we receive from homeowners considering expansion projects.

How Long Does a Typical Addition Take To Complete?

Most home additions take 8 to 16 weeks to complete, depending on the project's size and complexity.

Yes, virtually all home additions require building permits to ensure compliance with local codes and safety standards. We handle all permits to ensure that the entire process is smooth and stress free.

Building up with a second-story addition typically costs less than building out, as it uses your existing foundation.

Most homeowners can remain in their homes during addition construction, though some temporary inconveniences are unavoidable.