Home Additions Auburn, WA


Green kitchen with pantry, sink, countertop, and dark refrigerator.

Need More Space? We Design & Build Additions That Fit Your Life and Budget


A home addition is one of the most impactful remodeling decisions you can make. At Riccon Construction, we focus on thoughtful planning and solid construction to ensure your new space fits your home and your lifestyle seamlessly.

Every project begins with understanding why you need more space. Whether you’re adding a bedroom, expanding living areas, or building upward, we take time to learn how you live now and what you need for the future.

Some homeowners come with plans in hand, while others need help shaping the idea. We’re comfortable at any stage, offering guidance on layout, structure, permitting, and budget while respecting your vision and level of involvement.

Each addition is scoped and built around your priorities. From planning and permits through construction and final details, our team manages the process with clear communication and hands-on oversight from start to finish.

Types of Home Additions


Home additions come in many forms depending on your needs and property layout. Here are some popular types:

Isometric view of a room, with a door, window, and tiled floor. Black and white.

Single-Room Additions

Bedrooms, bathrooms, home offices, media rooms, or recreational spaces can be added seamlessly.

Black and white depiction of a staircase with a handrail. A potted plant sits below the stairs.

Second-Story Additions

Expanding vertically is ideal when yard space is limited. Second-story additions can include bedrooms, bathrooms, or home offices.

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Sunrooms & Solariums

Adding natural light and extra living space creates an inviting area for relaxing, reading, or entertaining.

Black and white illustration of a house with an open dormer window.

Detached Casitas or Guest Houses

Perfect for multigenerational living, home offices, or short-term rentals.

Garage icon, black and white.

Garage Conversions & Expansions

Transform garages into livable spaces, workshops, or extra storage while maintaining the home’s exterior appeal.

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Custom Living Spaces

Home gyms, libraries, entertainment rooms, or mudrooms tailored to your lifestyle and specific needs.

Our team helps you choose the type of addition that best suits your home, lifestyle, and long-term goals while integrating your vision with practical design.

Permitting, Planning, and Structural Work


Adding to your home is more than just construction—it requires careful planning, permits, and expert structural work.

  • Permitting: Local authorities require permits for home additions to ensure safety and compliance. Riccon Construction LLC handles all permitting processes, approvals, and inspections so you don’t have to worry about red tape.
  • Planning: Every addition is planned for maximum functionality and aesthetic appeal. Our team assesses your home’s layout, structural capabilities, and local zoning laws to ensure a design that fits both your vision and regulations.
  • Structural Work: Whether adding a second story, expanding a room, or building a detached casita, our experts handle all structural work including foundations, framing, roofing, and load-bearing elements. This ensures your addition is safe, durable, and built to last.

With our comprehensive planning and structural expertise, your addition will meet both your needs and building standards.

Sunroom with glass ceiling, chandelier, dining table, and outdoor garden view.

Clarity About Expectations and Timelines


One of the most common concerns with home additions is the unknown timeline. At Riccon Construction LLC, we provide clear guidance so you know exactly what to expect:

  • Project Timeline: The duration of a home addition varies depending on size, type, and complexity. Small single-room additions can take a few weeks, while larger second-story additions may require several months.
  • Milestones & Communication: We provide a detailed schedule for each phase—from design and permitting to construction and final finishing. You’ll be informed every step of the way.
  • Budget Clarity: We give transparent estimates upfront and provide ongoing updates on material, labor, and contingency costs. There are no surprises, only professional guidance.
  • Minimizing Disruption: Our team works efficiently to minimize impact on your daily life, keeping work areas clean and organized.

Clear expectations and timelines ensure a stress-free experience, letting you enjoy the excitement of your new space without uncertainty.

Services Offered by Riccon Construction LLC


As a trusted home additions company, we provide comprehensive services from start to finish:

  • Design-Build Services: We manage the project from initial concept to completion, combining design, planning, and construction.
  • Permitting & Planning: Our team handles local permits, approvals, and inspections.
  • Structural & Foundation Work: We ensure a solid foundation, safe framing, and seamless integration with your home.
  • Interior & Exterior Finishes: Flooring, walls, siding, windows, doors, and roofing for a cohesive look.
  • Custom Features: Kitchens, bathrooms, closets, and specialty rooms within your new addition.
  • Commercial Additions: Offices, retail areas, or mixed-use buildings benefit from our expertise and precision.

We aim to make the entire process as seamless as possible, delivering high-quality results without the stress.

Why Choose Riccon Construction LLC


Clients rely on Riccon Construction LLC because we combine:

  • Licensed, insured, and experienced home additions contractors
  • Transparent pricing and clear project timelines
  • Full-service residential and commercial additions
  • Custom solutions tailored to your home and lifestyle
  • Commitment to quality, safety, and customer satisfaction

Concept to Completion: How We Handle Home Additions


Planning a home addition can feel overwhelming. At Riccon Construction LLC, we make the process straightforward, transparent, and stress-free:

  • Initial Consultation & Goal Setting: We discuss your needs, lifestyle, and vision for the addition. Whether you want a new master suite, expanded kitchen, or home office, we provide insights on layouts, materials, and design options.
  • Design & Planning: Our team develops concept plans that maximize your space while respecting your home’s style. We ensure all additions are structurally sound, aesthetically cohesive, and compliant with local building codes.
  • Permitting & Approvals: Obtaining permits and adhering to regulations is a critical step in any addition project. Our team handles all necessary approvals, inspections, and documentation to guarantee a smooth process.
  • Construction & Structural Work: From foundation and framing to roofing and exterior integration, our skilled team ensures that every structural element is completed safely and efficiently.
  • Interior & Exterior Finishes: Flooring, walls, windows, doors, siding, and trim are installed to match your existing home or create a fresh, harmonious look.
  • Final Walkthrough & Adjustments: We review every detail with you before completion, ensuring the addition meets your expectations for function, style, and comfort.

By managing every stage of your project, we provide clarity on timelines, costs, and expectations, making your home addition experience predictable and stress-free.

Kitchen with gray cabinets, a dark brown island, and a granite countertop.

Areas We Serve

Riccon Construction LLC serves homeowners and businesses along the 405 corridor from Lynnwood to Auburn. Having offices in Kenmore and Auburn means we're often already working nearby, making it easier to coordinate site visits, navigate with local inspectors and stay closely involved from start to finish.



Cities we serve include, but not limited to:

  • Kenmore
  • Bothell
  • Brier
  • Mountlake Terrace
  • Lake Forest Park
  • Shoreline
  • Richmond Beach
  • Edmonds
  • Lynnwood
  • Woodinville
  • Kirkland
  • Redmond
  • Bellevue
  • Issaquah
  • Mercer Island
  • New Castle
  • Renton
  • Kent
  • Auburn
  • Burien 
  • Seatac
  • Federal Way
  • Covington
  • Maple Valley
  • Kenmore
  • Bothell
  • Brier
  • Mountlake Terrace
  • Lake Forest Park
  • Shoreline
  • Richmond Beach
  • Edmonds
  • Lynnwood
  • Woodinville
  • Kirkland
  • Redmond
  • Bellevue
  • Issaquah
  • Mercer Island
  • New Castle
  • Renton
  • Kent
  • Auburn
  • Burien 
  • Seatac
  • Federal Way
  • Covington
  • Maple Valley

Frequently Asked Questions

  • How much do home additions cost in Auburn, WA?

    The cost of a home addition varies depending on the size, type, structural requirements, and materials. Riccon Construction LLC provides detailed estimates for each Auburn project, helping homeowners plan additions that balance functionality, design, and budget.

  • Can you help with design, planning, and permits for additions?

    Yes. We guide homeowners through every stage, from concept and layout planning to securing permits and ensuring compliance with local building codes. Our team ensures your addition is practical, safe, and aligned with your vision.

  • How long does a home addition project usually take?

    Project timelines vary based on complexity, type of addition, and site conditions. Single-room additions may take a few weeks, while second-story expansions or custom living spaces can take several months. We provide a clear timeline and consistent updates throughout construction.

  • Do home additions increase property value?

    Properly designed and constructed additions often increase both livable space and home value. Riccon Construction LLC focuses on seamless integration with your existing home, enhancing functionality, aesthetics, and long-term investment potential.

  • What areas do you serve for home additions?

    We provide home addition services throughout Auburn, Kenmore, and the 405 corridor, including Kent, Renton, Bellevue, Kirkland, Bothell, Lynnwood, Woodinville, and surrounding communities.

Contact Riccon Construction LLC


Ready to start your home additions Auburn, WA project? Contact us today to schedule a consultation with our home additions contractors:


Visit our Google My Business page for project photos, reviews, and more. Let Riccon Construction LLC design and build your home addition — functional, stylish, and built around your vision and your budget.