ADU Builders Seattle, operated by Maksymov Brownstone LLC, is a family-owned construction company specializing in accessory dwelling unit (ADU) construction, garage conversions, basement conversions, attic conversions, home remodeling, and
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property additions in Seattle and across King County. With 17 years of experience, the company provides fully code-compliant, high-quality living spaces designed to increase property value and maximize usable space. Their team manages the entire process from consultation and design to permitting, construction, and final delivery, with a strong focus on transparency, craftsmanship, and clear communication. The company is licensed, bonded, and serves homeowners throughout Seattle and surrounding areas.
