YOUR LOCAL PREMIER
Custom Home Additions in Bellevue & Seattle Eastside
Serving Bellevue, Medina, Mercer Island, Kirkland, Sammamish, Redmond, Issaquah and surrounding Eastside communities.
Custom Home Additions, Second-Story Additions & ADUs
BuilderLand designs and builds custom home additions, second-story additions, ADUs, room additions and major home expansions throughout Bellevue and the Seattle Eastside. Whether you need more living space, a larger kitchen, a new primary suite, a garage conversion or a detached ADU, our team manages everything from planning and permits to construction and final finishes.

Reimagine Your Home
Whether you're updating an older home or planning a major expansion, BuilderLand helps create more space without losing the character of your home. We focus on smart layouts, structural quality, natural light and finishes that feel connected to the original design. From the first planning conversation to permits, construction and final details, our team guides the process with clear communication and careful project management.

Designed Around Your Family's Needs
Every successful home addition starts with understanding how your family lives. We create practical layouts for extra bedrooms, larger kitchens, home offices, guest suites, expanded living areas and everyday comfort.

Home Addition Services Across Bellevue & Eastside
A quality home addition should blend naturally with the existing structure. We carefully consider materials, proportions, exterior details and interior finishes so the new space feels like an original part of your home.
On Time
Premium Quality
Transparent Pricing
Licensed and Insured
Customer Service
Guaranteed
Our 4 Step Process
1
Free Consultation and Quote
We will examine your project to determine the extent of required work and discuss with you your desires, requirements, and dreams for your remodel.
2
Design Review
Our team will present a design for your project and then work with you to finalize the layout and choose materials and finishes. We will then create a plan and the schedule we will execute to.
3
Complete the Project
Our team will complete the project to the agreed upon design and schedule, while providing you with status updates and check-ins along the way.
4
Post-Inspection
After a thorough cleanup, we will do a complete walk-through and post-inspection of the project with you to make sure everything is top quality and completed to your expectations.
Home Addition Across Bellevue & Eastside

Bellevue
Home additions and second-story additions for Bellevue homeowners who need more space without moving.

Medina
Custom home additions and high-end renovations for Medina homes with careful attention to design and detail.

Mercer Island
Room additions, ADUs and whole-home expansions for Mercer Island properties and growing families.

Kirkland
Functional home additions, garage conversions and expanded living spaces designed for Kirkland homes.
Our Promise
At Builder Land, we 100% stand behind our work and we won’t be happy until you are happy. We won’t close out until we have your approval and you are 100% happy with your project.
We utilize the highest quality materials by default. We do not cut corners or cost through the use of sub-standard materials or products.
We are highly trained experts at every trade we do with many years experience creating spaces our customers are overjoyed with.
We are honest and transparent in our work, from the initial consultation and quote, through project completion.
Reviews - Our Customers Love Us!
At Builder Land we not only perform the highest quality work, we take the upmost care of our customers as well – and that is why our customers love us! We have excellent reviews and a significant portion of our business comes from referrals from our existing happy customers. Check out some of our great 5 star reviews below and many more from the various Marketplaces!
See Our Many 5 Star Reviews!
Frequently Asked Questions
We will work with you to ensure that the functionality of your bathroom or kitchen is restored as quickly as possible so that you can experience the least disruption possible.
We take care of all permitting including all the associated drawings and the various inspections with the city or county you live in. Our work is to the highest standards and meets all building, electrical, and plumbing code requirements.
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Service Area
• Bellevue
• Medina
• Mercer Island
• Kirkland
• Sammamish
• Redmond
• Issaquah
• Newcastle
• Clyde Hill
• Yarrow Point
• Hunts Point
• West Bellevue