
NABS Brothers specializes in turning unused garages into fully functional living spaces and building backyard ADUs across Seattle. As a licensed, bonded, and insured general contractor, we build with intention — creating new homes, offices, or rental units that are efficient, high-quality, and add lasting value to your property.
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We’re licensed, bonded, and insured in Washington State — and ready to help with your next project. Share a few details below and we’ll get back to you quickly with a plan that fits your goals and budget.
Licensed · Bonded · Insured — WA Contractor #NABSBBL758NQ
⚠️ Compliance Notice (Washington State)
NABS Brothers is fully licensed, bonded, and insured with the Washington State Department of Labor & Industries. Contractor Registration #: NABSBBL758NQ.