Add Rental Income & Property Value with a Custom ADU/DADU

Premier Design-Build Services for Seattle, Bellevue & The Eastside

Proudly serving homeowners in Kent, Kirkland, Renton, and throughout King County.

“ From the initial consultation to the final inspection, Northwest Building Endeavors exceeded our expectations at every turn. Their professionalism, attention to detail, and commitment to quality craftsmanship were evident throughout the entire project. ”

Richard Mackie

Certified members of Local, State and Federal associations:

Let’s Discuss Your Project

Schedule a complimentary site consultation to discuss feasibility & budget.

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Richard Mackie

Certified members of Local, State and Federal associations:

We work at your location

Seattle

Bellevue

Kirkland

Redmond

Sammamish

Mercer Island

Issaquah

Tacoma

Renton

Kent

Shoreline

Lynnwood

Federal Way

Edmonds

Maple Valley

Lakewood

Burien

University Place

Puyallup

Covington

Mill Creek

Monroe

Cottage Lake

Newcastle

Gig Harbor

Duvall

Snohomish

Tukwila

Seattle

Bellevue

Kirkland

Redmond

Sammamish

Mercer Island

Issaquah

Tacoma

Renton

Kent

Shoreline

Lynnwood

Federal Way

Edmonds

Maple Valley

Lakewood

Burien

University Place

Puyallup

Covington

Mill Creek

Monroe

Cottage Lake

Newcastle

Gig Harbor

Duvall

Snohomish

Tukwila

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+ Years

of Construction Excellence

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With years of experience, we are proud members of the MBA, dedicated to delivering quality and excellence in construction

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Our clients consistently rate us 5 stars for delivering successful project outcomes

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120

Successfully implemented projects and happy clients for whom we have made their vision a reality

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100

Commitment to On-Time & On-Budget Delivery.
We manage strictly limited project volumes to ensure your build gets our full attention.

NBE LLC - A Premier Design-Build Firm Serving the Greater Seattle Area

Seamless Design-Build: From Concept to Keys

Stop worrying about zoning codes and contractor delays. As a full-service Design-Build firm, NBE manages every detail of your project, from the first permit application to the final walkthrough.

End-to-End Project Management

Zoning & Permitting Handled For You

Custom Architectural Design

Premium Finishes & Utility Hookups

Book Site Consultation

253-632-2671

OUR SERVICES

Maximize Your Property Potential

Unlock the hidden value in your backyard with a custom detached structure designed for income, family, or work.

Rental Income

Generate $2,500+ in monthly passive income with a dedicated rental unit.

Multi-Generational Living

Keep family close with a private, accessible Mother-in-Law suite.

Home Office & Studio

Separate your work life from home with a custom detached workspace.

Our Process

We handle the entire lifecycle of your ADU project, from zoning and permits to the final inspection, so you never have to deal with the headache of construction management.