Seattle Addition Experts
Maksymov Brownstone LLC provides full-service solutions for home addition projects in Seattle. As a trusted contractor, we handle everything from planning to building, specializing in adding a room to a house with seamless flow.
Lasting Comfort Solutions
Expanding your home is one of the smartest ways to improve both comfort and value. A home addition project lets you expand your home footprint without leaving your neighborhood. You can create a master suite addition, grow your kitchen or add a new bedroom.
As a home addition contractor we understand local limits, foundation work and structural tie-ins. Every custom project is built with care by a professional contractor. We keep the price clear and the cost transparent from start to finish.
Master Suite Addition & Bathrooms
First-Floor House Extension
Kitchen Bump-Outs & Expansions
Attached In-Law Suites
Family Room Expansions
Custom Room Addition Services
Turnkey Foundation-to-Finish Builds
Full-Service Solutions by a home addition company
While we focus on large-scale expansions, we also offer precise room addition services built to Seattle codes. When searching for a reliable home addition company near you or a room addition contractor, homeowners choose us for quality and full compliance.
How We Work
We review zoning, lot coverage and your existing foundation. This step defines your home addition potential in Seattle and helps set a clear project cost.
Our team creates a custom design to expand your home footprint smoothly. We match layouts, finishes and style so the new space blends with your existing home.
As your home addition contractor, we handle SDCI permits and approvals. We manage excavation and build a strong foundation that meets every code requirement.
We frame the structure and connect rooflines with precision. Our room addition services ensure durability, weather protection and a fair, transparent price.
We complete interiors and final inspections. Your project is delivered turnkey, giving you a ready-to-use space with full service.
About Us
Maksymov Brownstone LLC is a family-owned team with 17+ years of hands-on experience. We are licensed and bonded, trusted by homeowners who need reliable home addition services.
As skilled room addition contractors and builders, we handle complex groundwork, structural tie-ins and precise architectural matching. We guide you through every step of adding a room to a house, from planning to the final build. Whether it's a small bump-out or a full footprint expansion, we create space that fits your life and supports a growing family.
Years of experience
Licensed & bonded
Client satisfaction
Turnkey delivery
FAQ
Adding a room to a house comes with many details to consider. Whether you are planning a master suite, expanding your kitchen or building extra living space, our team provides a custom consultation to help you understand the full cost, timeline and design options.
The total cost of adding a room to a house depends on several key factors. Foundation work, roof tie-ins, utilities and interior finishes all affect the final price. Larger or more complex layouts will require more planning and materials. Our service includes detailed estimates, so every custom element is clear from the start. We break down costs step by step, helping you plan your budget with confidence.
Yes, permits are required for any project that changes the size or structure of your home. As a professional contractor for room addition and an experienced home addition contractor in Seattle, we manage the full permitting process. This includes preparing the design, submitting documents and ensuring your plans meet all local codes. Seattle has strict rules for lot coverage and setbacks, so it's important to follow them closely.
In most cases building directly on the property line is not allowed due to setback regulations. These rules are in place to maintain space between homes and ensure safety. A local expert from our room addition company will assess your lot, measure boundaries and review zoning limits. This allows us to legally expand your home footprint while staying within city requirements.
Local professionals understand Seattle's soil conditions, climate and building codes. Choosing a general contractor means faster approvals, smoother inspections and better coordination. Our service covers everything from planning to final build, ensuring consistent quality. With a nearby team, communication is easier, timelines are more reliable and your project stays on track from start to finish.
Get Started
Contact us for a free consultation and site assessment. We'll walk you through design, timeline and cost — no surprises.