Home Addition in Seattle
When your home needs more space, Maksymov Brownstone LLC is the trusted home addition contractor in the Greater Seattle Area to bring your vision to life. From custom room expansions and second-story additions to garage, attic and basement conversions, every project is carefully planned to match your lifestyle, property layout and long-term goals, delivering seamless design, comfort and lasting value.
Leave a requestWhy choose home additions?
A custom home addition is a smart way to gain space, comfort and long-term value without the stress of moving. Whether your family is growing or your lifestyle is changing, a thoughtfully designed addition enhances functionality and flow. Expert planning, seamless construction and tailored solutions ensure the new space blends naturally with your home while meeting your unique needs and increasing property value.
Explore our range of home addition options
Second-story addition
A second-story addition builds up your home vertically while keeping the full yard. It has space for more bedrooms, bigger living rooms or a home office and lets you stay in the home you love without moving. This renovation increases natural light, adds new vistas and provides an engineered plan that can evolve with your family.
- Maximized Space
Building upward adds significant square footage without widening the home’s footprint. It’s ideal for narrow lots with limited expansion room. - Increased Living Area
The new floor can host bedrooms, an office or a spacious suite. Layouts can be tailored to long-term lifestyle needs. - Architectural Design
The existing structure and new addition are carefully designed and engineered for structural stability. Exterior finishes and rooflines are matched to maintain a cohesive look. Our team of civil engineers and architects collaborates closely with the city to ensure safety and compliance with all regulations.
Upper floor additions
Adding a level allows homeowners to gain valuable square footage without reducing outdoor living areas. This solution is ideal for properties with limited lot size, helping expand functional zones vertically while maintaining garden space. Upper floor additions also improve internal organization, giving flexibility to redesign both existing and new living areas for better comfort, privacy and daily flow.
- Preserved Outdoor Space
Vertical expansion keeps backyard and garden areas intact for relaxation and recreation. - Enhanced Ground Floor Layout
Reworked lower-level plans improve circulation, natural light, and indoor-outdoor connections. - Versatile Upper-Level Rooms
Creates private bedrooms, home offices, playrooms, or quiet retreats for growing families. - Architectural Continuity
Ensures the new level complements the home’s design while meeting zoning and height regulations.
Side and rear additions
Expanding your home with side or rear additions not only increases living space but also enhances property value and functionality. These projects allow homeowners to create more versatile rooms, improve flow between interior and outdoor areas and incorporate upgrades like larger kitchens, bathrooms or garages.
Benefits and Features:
- Expanded Living Space: Adds usable square footage at ground level without the need for additional stories.
- Functional Room Design: Perfect for kitchen enlargements, dining areas, family lounges or dedicated workspaces.
- Seamless Indoor-Outdoor Flow: Improves access to patios, gardens and outdoor living zones while keeping architectural harmony.
- Efficient Build Timeline: Typical projects finish within 12-18 weeks, minimizing household disruption.
- Additional Income Opportunities: Create an ADU or DUDU unit to rent out or develop a separate small home on your lot for sale or lease — common practices in Washington state.
These additions are ideal for homeowners looking to remodel strategically, enhance comfort and maximize both living quality and investment potential.
Home addition contractor you can trust in Seattle
With experience in diverse remodeling projects, we deliver solutions that combine functionality, style and long-term value, helping homeowners expand their living space efficiently and confidently.
Workflow roadmap
Our workflow roadmap keeps your project clear and on schedule: from first meeting to final walkthrough, we manage permits, design, construction and warranty with precision and respect for your time. This process is built to be efficient, organized and worry-free for every homeowner.
Schedule Consultation-
01
Initial consultation
The process begins with a detailed on-site consultation focused on understanding your goals, lifestyle needs and budget. During this visit, the team evaluates your property, existing structure, lot conditions, access points and available space for expansion. This allows for accurate recommendations, realistic planning and a clear project roadmap tailored to your vision.
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02
Design phase
During this stage, detailed plans, layouts and 3D visualizations are developed while finishes, materials and systems are carefully selected. Every design choice is refined to align with your lifestyle, functional needs and budget, forming a strong foundation for successful construction.
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03
Pre-construction planning
This phase focuses on securing permits, confirming schedules, finalizing construction plans, ordering materials and coordinating trades. Thorough preparation ensures a smooth project launch, prevents delays and keeps every stage organized, predictable and efficient from the very beginning.
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04
Construction phase
From demolition and structural framing to systems installation and final finishes, every phase is carefully managed to maintain consistent quality. Clients receive clear progress updates, milestone tracking and open communication, ensuring transparency and confidence throughout the entire building process.
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05
Final walkthrough & warranty
Once construction is complete, a detailed walkthrough is conducted to review every element and address any final adjustments. Clients receive full warranty coverage and clear guidance on care and maintenance, ensuring long-term satisfaction, confidence and peace of mind in their new living space.
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Frequently asked questions
If you have questions about permits, timelines or costs, this section answers common concerns to help you plan with confidence.