10+ Years of Experience
ADU Builders
Seattle
Maksymov Brownstone LLC offers a full range of services to plan, design and build your accessory dwelling unit from start to finish. As trusted accessory dwelling unit builders, we focus on smart layouts and quality work.
Our team works as your custom ADU contractor, delivering tailored solutions, including attached and internal units with strong expertise in ADU remodeling.
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Building an ADU in Seattle can feel overwhelming
Planning an ADU in Seattle means dealing with zoning rules, permits and tight budgets. It's a lot to handle alone. Many homeowners feel stuck at the start. With the right accessory dwelling unit builders, the process becomes clear and manageable.
Where Do I Even Start?
The ADU journey — design, approvals, construction — can feel impossibly complex for first-time builders.
Hidden Costs
Unexpected fees and vague quotes leave homeowners over budget before construction even begins.
Delays & Unreliable Contractors
Missed deadlines and poor coordination drag projects on for years — costing time and money.
Lack of Clear Communication
Homeowners are often left in the dark, unsure of progress or next steps on their project.
From permits to the final polish, our custom ADU builders manage it all.
What We Build
Our ADU Services
When searching for a reliable ADU builder near me, Seattle homeowners choose a team that understands local regulations and site-specific constraints. We deliver custom ADU remodels and new builds tailored to your lot, budget and city code requirements.
Basement Conversion
Transform your underutilized basement into a self-contained ADU — fully legal, permitted, and designed for comfortable living.
Garage Conversion
Convert your attached or detached garage into a stylish, code-compliant ADU unit — often the fastest and most cost-effective path.
Attic Conversion
Maximize your home's vertical space with a beautifully finished attic ADU — ideal for rental income or a private guest suite.
Our Advantages
Why Seattle Homeowners Trust Our ADU Building Team
Local Seattle ADU Contractor
Our team works daily with city regulations to ensure projects move forward without delays. As accessory dwelling unit builders we deliver reliable code-approved results.
Clear Cost & Pricing
We outline the full cost and expected price upfront, so you can plan your budget with confidence and avoid unexpected expenses later.
Efficient Design & Build Process
From early design decisions to final inspections, we keep your ADU remodeling project organized, on schedule and easy to follow.
Premium Craftsmanship for ADU Homes
Every detail in our ADU homes is built with care, using durable materials and finishes that meet strict standards and last for years.
Dedicated Customer Service
We provide steady service with clear updates and quick responses, so you're never left guessing about progress or next steps.
Top-Rated Builder Near Me
When people look for a dependable builder "near me", they choose us for proven experience, completed projects and consistent client satisfaction.
How It Works
Our Process
Consultation & Estimate
Free site visit — we assess feasibility, zoning, and costs with zero commitment.
Design & Planning
In-house design team creates layouts tailored to your goals and budget.
Permitting & Approvals
We handle all SDCI applications and follow up proactively through review.
Construction Phase
Our crews manage every trade — framing, MEP, finishes, and exterior work.
Final Delivery
City inspections coordinated and CO obtained. Your ADU is ready to occupy.
Consultation & Estimate
Free site visit — we assess feasibility, zoning, and costs with zero commitment.
Design & Planning
In-house design team creates layouts tailored to your goals and budget.
Permitting & Approvals
We handle all SDCI applications and follow up proactively through review.
Construction Phase
Our crews manage every trade — framing, MEP, finishes, and exterior work.
Final Delivery
City inspections coordinated and CO obtained. Your ADU is ready to occupy.
Portfolio
Recent ADU Projects in Seattle
University District Seattle Kitchen Renovation
Client Reviews
What Our Clients Say
"I recently had the pleasure of working with Ihor on a remodeling project for my home, and I couldn't be happier with the results. From start to finish, Ihor demonstrated exceptional professionalism, skill, and attention to detail. Every concern we raised was addressed promptly, and the final result exceeded our expectations. Our new ADU looks incredible and was delivered exactly on time."
Jenny Lian
2 weeks ago
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Return on Investment
Why an Accessory Dwelling Unit is a Smart Seattle Investment
Rental Income
A well-built unit can bring in $1,800–$3,200 per month. This steady income helps offset the initial construction price, making your investment more manageable over time with the right service.
Increase Property Value
Adding a permitted unit can raise your home's value by $150,000–$300,000. With help from experienced accessory dwelling unit builders, this becomes a strong long-term investment.
Flexible Living Space
Create extra space for family, guests or a private office. These custom-built homes on your property give you flexibility while keeping full control and ownership.
Where We Work
Serving Seattle and Surrounding Areas
About Us
Trusted ADU Builders in Seattle
Maksymov Brownstone is a family-owned ADU builder Seattle homeowners rely on for honest work and lasting results. With 10+ years of hands-on experience across Seattle and King County, we focus on custom ADU construction that fits each property and meets all local codes.
We handle both internal and detached units, guiding you from early planning to final approval. As a licensed and bonded team, we keep every step clear, organized and compliant. You get a personalized approach, steady communication and a build designed for long-term value — not quick shortcuts.
Our goal is simple: deliver a space that works for your life today and holds strong for years ahead.
FAQ
Frequently Asked Questions About ADU Remodeling in Seattle
Planning an ADU project often comes with many questions about permits, timelines and budget. Below we cover the most common concerns homeowners have. If you're looking for an expert ADU builder in Seattle, feel free to reach out for a personalized consultation and clear guidance.
How much does it cost to build a custom ADU in Seattle?
The total cost depends on your custom design, size, layout and finish level. As a trusted ADU builder in Seattle, we calculate the full price after a site visit. Our service includes a clear, itemized estimate so you know exactly what to expect before work begins.
What are the requirements for an accessory dwelling unit on my property?
Every lot is different. Zoning, access and the current condition of your property all matter. As professional accessory dwelling unit builders, we review homes during the first consultation and explain what's allowed under ADU builder rules in Seattle, WA — no confusion, just clear next steps.
How long does the ADU design and construction process take?
There's no one-size timeline. Smaller projects move faster, while more complex builds take longer due to permits and approvals. A skilled contractor keeps the design phase organized and prevents delays. With proper planning your ADU remodeling stays on track from start to finish.
Why is it important to hire a local ADU builder near me?
Local experience matters more than most homeowners expect. A team that works in Seattle every day knows how to handle permits, inspections and city-specific details. When people look for a reliable builder "near me", choosing a proven ADU builder in Seattle helps avoid costly mistakes and keeps the project moving smoothly.
Ready to Build Your ADU in Seattle?
Start with a free consultation — no pressure, just honest answers.
Committed to superior quality and results
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Contact us
maksymov.brownstone@gmail.com
Phone
(425) 800-7663
Mon – Fri
9 am – 6 pm
Saturday
9 am – 1 pm
Our Location
4712 S Morgan St
Seattle, WA 98118
South Seattle. Serving King County and surrounding areas.
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