Seattle Home Additions
Transform Your Home, Expand Your Life.
Family-owned design-build contractor with 10+ years serving the Greater Seattle Area. From second stories to ADUs — we handle everything from permits to final walkthrough.
Get a Free Estimate
No obligation. We respond within 24 hours.
Our Expertise
Comprehensive Home
Addition Services
Who We Are
Seattle's Trusted Home Addition Specialists
Home additions provide the perfect solution for homeowners looking to enhance their living space without relocating. Whether you're adding an extra room, a second story, or extending your existing layout, a well-planned home addition can increase your property's value while offering additional comfort and functionality.
At Maksymov Brownstone, we are a family-owned construction company with over 10 years of experience serving homeowners across the Pacific Northwest. Every project is tailored to meet your family's unique needs, seamlessly integrated with your home's existing design.
From accessory dwelling units (ADUs) and detached ADUs to home offices, guest suites, and garage conversions — we transform underutilized spaces into beautiful, functional living areas.
Your Trusted Seattle Home Addition Contractor
We don't just build additions; we craft seamless extensions of your home that look like they've always been there. Here is why hundreds of homeowners have trusted us with their largest investment.
Local Seattle Expertise
Deep knowledge of local zoning, architectural styles, and the specific permitting processes of King County.
Licensed & Insured
Fully bonded, licensed, and insured for your complete protection and peace of mind.
On-Time Delivery
Rigorous project management ensures we hit our deadlines without compromising on quality.
Full Design-Build
One team handling both architecture and construction means zero miscommunication.
Transparent Pricing
Detailed, fixed-price contracts. No hidden fees, no surprises halfway through the build.
Dedicated Project Manager
A single point of contact providing you with daily updates and continuous support.
Our Home Addition Process
From the initial handshake to the final polish, our design-build process is streamlined, transparent, and built around your peace of mind.
1. Free Consultation
We start by understanding your vision, budget, and property constraints during an in-home visit.
2. Design & Architecture
Our architects translate your ideas into detailed 3D renderings and comprehensive blueprints.
3. Permits & Approvals
We handle all the local Seattle zoning laws and secure the necessary city permits for you.
4. Construction
Expert craftsmen execute the build with precision, keeping your home clean and disruptions minimal.
5. Final Walkthrough
We review every detail together ensuring your complete satisfaction before turning over the keys.
About Us
A Family Business Built on Trust & Craftsmanship
Founded by Ihor Maksymov, our family-owned company brings over a decade of hands-on construction experience to every project. We specialize in home additions, full remodels, kitchen and bathroom renovations, plus electrical, plumbing, and HVAC — a true one-stop shop for your home.
Every member of our team is licensed, bonded, and background-checked. We take pride in delivering spaces where families feel truly at home — combining quality materials, skilled trades, and honest communication from the first meeting to final walkthrough.
We serve both residential and commercial clients throughout the Greater Seattle Area.
"They seamlessly integrated a new second story onto our 1920s craftsman. The craftsmanship is flawless, and they finished exactly on budget."
Sarah & Michael T. — Queen Anne, Seattle
Where We Build
Serving the Greater Seattle Area
We understand the unique architectural styles and specific permitting requirements
across all major King County municipalities.
Get Started
Let's Build Something
Beautiful Together
Free consultation · No obligation · Response within 24 hours
Get a Free Estimate
No obligation. We respond within 24 hours.
Contact Information
Office Address
5270 17th Ave NE, Seattle, WA 98105
Phone
(425) 800-7663Business Hours
Mon-Fri: 9am–6pm, Sat: 9am–1pm