5 stars
Rated "Excellent" (47 Reviews)

Having trouble getting your ADU or DADU project off the ground? 

NORTHWEST BUILDING ENDEAVORS are here to help you

Certified members of Local, State and Federal associations:
BIAWMASTER BUILDERS ASSOCIATIONNAHB
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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Building an Accessory Dwelling Unit (ADU) is a complex process, requiring permitting, careful planning, execution, and inspections with extensive documentation.

At Northwest Building Endeavors we oversee every phase of your project with comprehensive general contracting services, ensuring clarity, consistency, and timely execution.

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We manage all the following steps, ensuring you smooth and stress-free project execution

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Consulting

We provide expert, one-on-one consulting to help you navigate the complexities of ADU and DADU construction.

Whether you are just starting or facing unexpected challenges, we provide strategic guidance, help resolve job-site issues, and support you in making confident, informed decisions.

Estimation

We provide accurate, transparent cost estimates tailored specifically to ADU builds — factoring in site conditions, material choices, and labor.

Includes one-on-one consultations to help you solve job-site challenges and create a clear budget.

Project Planning

From scheduling to material management and resource coordination, we create detailed plans that align your vision with operational efficiency.

You receive full support throughout the project lifecycle, ensuring alignment at every stage.

Permitting

Our team handles every step of the ADU permitting process — from preparing documents to coordinating with local agencies — ensuring full compliance without delays.

Includes end-to-end permitting and inspection management, so you don’t have to worry about red tape.

Architectural & Engineering

We work with licensed professionals to deliver code-compliant architectural and engineering plans of your ADU.

All plans are developed with constructability and long-term functionality in mind.

Interior and Exterior Design

From smart space layouts to cohesive exterior aesthetics, we design ADUs that are both beautiful and efficient.

We mange  material selections and finishes that match your goals and budget.

Execution

We handle all construction activities on-site — coordinating crews, vendors, and timelines to ensure your ADU is built to the highest standards.

Includes hands-on execution, real-time problem-solving, and continuous collaboration.

Inspections

At Northwest Building Endeavors  we stay ahead of all inspection milestones, ensuring your ADU passes on the first try.

Our team plans scheduling, prepares the site, and responds proactively to any required adjustments.

OUR CLIENTS TRUST US

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