About Us
A family-owned construction company with over 17 years of hands-on experience — building custom ADUs and DADUs across the Greater Seattle Area.
Who We Are
Maksymov Brownstone LLC is a family-owned company with over 17 years of hands-on experience in residential construction. As a reliable DADU builder in Seattle, we focus on full-cycle projects, from early planning to final build. Our team is fully licensed and bonded, giving homeowners peace of mind at every stage.

Our Mission
We specialize in ground-up builds and understand site feasibility, lot limits, and local codes. As an experienced Seattle DADU contractor, we manage each detached accessory dwelling unit project with care and precision.
Our mission is to help homeowners maximize their property value and living space through high-quality, fully compliant construction.
Why Us
Building an Accessory Dwelling Unit (ADU) requires deep knowledge of local zoning laws. We handle the complex processes so you don't have to.
From initial home design services and permitting to the final walkthrough — we manage every phase.
Complete understanding of Seattle's building codes, lot restrictions, and ADU zoning requirements.
We operate with a valid Washington State Contractor License and are fully licensed, bonded, and insured for your protection.
Get Started
Ready to build a new ADU or expand your current home? Contact our experts for a professional assessment.