Our Service

Home Additions in Bothell, WA

Expand your home without sacrificing quality or character. Call (425) 582-1983 to speak with trusted home addition contractors in Bothell.

Craft & Forge Homes designs and builds custom home additions in Bothell that feel intentional, seamless, and built to last. Whether you need more space for a growing family or want to enhance how your home functions, we create additions that elevate both daily living and long-term value.

Why Build

When a Home Addition Makes More Sense Than Moving

Many Bothell homeowners love their neighborhood but have outgrown their existing floor plan. A thoughtfully designed home addition allows you to stay rooted while gaining the space you need.

You may want to consider a home addition if you’re experiencing any of the following:

Lack of functional living space

Crowded common areas, undersized bedrooms, or a missing home office can make everyday life feel constrained.

Changing family or lifestyle needs

Growing families, multigenerational living, or remote work often require additional bedrooms, bathrooms, or flex spaces.

Desire to increase home value

Well-planned home additions in Bothell can significantly increase property value while improving comfort and usability.

If your current home no longer fits the way you live, our home addition contractors can help you reimagine what’s possible—without starting over.

Our Process

Custom Home Addition Services Tailored to Your Home

Every home addition we build is designed to integrate seamlessly with your existing structure, architecture, and lifestyle.

Primary Suite Additions

Create a private retreat with expanded bedrooms, spa-inspired bathrooms, walk-in closets, and improved natural light.

Second-Story Additions

Add significant square footage without expanding your footprint—ideal for growing families or maximizing lot constraints.

Family Room & Living Space Expansions

Open up your home with larger gathering spaces designed for entertaining, relaxation, and everyday comfort.

Home Office & Flex Space Additions

We design productive, quiet workspaces and adaptable rooms that evolve with your needs over time.

In-Law & ADU-Style Additions

Support multigenerational living with private suites that offer independence, comfort, and accessibility.

3D Design & 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

Why Bothell Homeowners Choose Craft & Forge Homes

As experienced builders of home additions in Bothell, we focus on delivering a smooth, transparent, and highly personalized remodeling experience.

  • Clear, upfront pricing and realistic timelines
  • Lifetime craftsmanship warranty on our work
  • Skilled crews who respect your home and neighborhood
  • Proactive communication from design through completion

We’re licensed, insured, and deeply invested in building lasting relationships—not just square footage. Our work reflects pride in craftsmanship and accountability.

Contact Us

Start Your Bothell Home Addition Project Today

A well-designed home addition should feel like it was always part of your home. At Craft & Forge Homes, we combine thoughtful design, expert construction, and a refined process to deliver results that stand the test of time.

Call Craft & Forge Homes at (425) 582-1983 to schedule your home addition consultation in Bothell, WA.

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.