Full-Service Remodeling Backed by Proven Expertise
With over 20 years of experience in residential construction, our team at CDAS Construction Services delivers exceptional remodel and addition solutions throughout Everett, Washington, and surrounding areas including West Lake Stevens, Marysville, Mukilteo, Snohomish, Mill Creek, North Marysville, Martha Lake, and North Creek. We understand the unique needs of Pacific Northwest homeowners—from leveraging abundant natural light to navigating seasonal moisture and local building codes. Whether you're expanding your kitchen to enjoy the views of Puget Sound or adding a second-story bonus room overlooking Silver Lake, we guide you through every step with transparency, technical expertise, and unwavering attention to detail.

Our process begins with a comprehensive design consultation at your home. We collaborate closely, assessing your lifestyle, architectural preferences, and municipal regulations, to create plans that enhance your home's flow, functionality, and value. As licensed general contractors in Snohomish County, we handle permitting, material sourcing, and subcontractor coordination, ensuring compliance with city and county standards. Through professional project management and clear communication, we keep timelines and budgets on track.

From full-scale kitchen expansions in south Everett to bright sunroom additions in Mill Creek, our remodels are built to last. We prioritize energy-efficient windows, high-performance insulation, and durable, locally sourced materials to maximize comfort and minimize maintenance. With strong roots in the community and a reputation for delivering quality craftsmanship, we are your trusted partner for outstanding remodels and additions.
Our Remodel & Addition Services
Kitchen Expansions
We expertly extend kitchen footprints, integrating islands, breakfast nooks, and craftsman-style built-ins. Our kitchen projects are designed for optimal workflow, natural light, and long-term durability using high-quality materials. We collaborate closely with homeowners to select finishes, cabinetry, and layouts that strike a balance between beauty and functionality.
Bathroom Extensions
From standalone soaking tubs to expanded shower zones, our bathroom additions strike a balance between comfort and efficiency. We optimize plumbing layouts and ventilation to meet code and enhance day-to-day ease. Whether upgrading powder rooms or enlarging master baths, we ensure each space is both luxurious and practical.
Bonus Room Build-Outs
Convert attic spaces or garage areas into offices, playrooms, or guest suites with our expert build-out services. These transformations include structural reinforcement, proper insulation, lighting, and egress windows to meet all safety standards. Every project is designed to integrate seamlessly with your home’s existing flow and aesthetic.
Second-Story Additions
Second-story additions above garages or main roofs provide additional bedrooms, laundry rooms, or recreational spaces. Our designs maintain structural integrity while enhancing curb appeal. We manage every step, including structural engineering and roofing integration, to ensure a flawless build that meets all safety and code requirements.
Sunroom & Solarium Installations
We design bright, temperature-controlled sunrooms with panoramic windows that bring the outdoors inside year-round. These additions offer versatile living spaces perfect for relaxation, gardening, or entertaining guests. Our designs emphasize natural light, seamless transitions, and aesthetic harmony with your home’s style.
Accessible Living Additions
Install first-floor master suites, ADA-compliant bathrooms, or wide-entry living zones to improve accessibility and long-term comfort. Our renovations strike a balance between functionality and elegant design, ensuring spaces remain both welcoming and stylish. We work closely with clients to address specific mobility or aging-in-place needs while maintaining seamless integration with the rest of the home.
Benefits of Professional Remodeling & Additions
Enhanced Property Value
Professional remodels and additions significantly increase a home's overall market value. Strategic improvements—such as updated kitchens or expanded living spaces—make the property more attractive to buyers and appraisers. Investing in quality workmanship ensures long-term returns and market competitiveness.
Improved Space Functionality
Remodeling enables the more efficient use of existing square footage, adapting to changing household needs. Whether adding a new room or reconfiguring layouts, professional designs enhance flow, organization, and daily convenience. Custom solutions maximize comfort and usability tailored specifically to your lifestyle.
Energy Efficiency Upgrades
Modern materials and systems—like upgraded insulation, high-efficiency HVAC units, and double-pane windows—are often integrated into professional remodels. These features lower energy bills and contribute to a more comfortable, sustainable home. Energy-efficient enhancements also improve indoor air quality and overall home performance.
Seamless Architectural Integration
Skilled contractors ensure additions and renovations blend seamlessly with the original structure. From matching materials to replicating design elements, the result is a cohesive and visually appealing home. This attention to detail preserves your home’s character and enhances curb appeal.
Compliance with Building Codes
Licensed professionals are familiar with construction regulations and obtain the necessary permits before commencing work. Code-compliant projects reduce risk, ensure safety, and pass inspections without costly setbacks. This adherence protects your investment and guarantees peace of mind.
Streamlined Project Management
Professional teams manage every phase of construction, from planning to final walkthrough. This organized approach keeps the project on schedule, maintains quality control, and reduces homeowner stress. Effective coordination among contractors and suppliers ensures the smooth and timely delivery of projects.
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Our Commitment to Quality Construction
With deep roots in Everett, Washington, and nearby areas including Alderwood Manor, Lynnwood, Monroe, Mountlake Terrace, Edmonds, Esperance, and Bothell, CDAS Construction Services strives to provide remodels and additions that reflect local style and withstand the climate. Whether extending a kitchen to capture morning light or building a sunroom for quiet afternoons, we blend design, materials, and craftsmanship to meet your specific goals. Our team understands the rhythm of the region’s seasons, enabling us to plan exterior framing and weather-sensitive work during the drier months and schedule indoor finishes year-round. At every stage, your satisfaction is our priority. By combining two decades of hands-on building experience with familiarity with regional building codes and weather patterns, we ensure that each remodel or addition not only enhances livability but also stands as a worthwhile investment.

FAQ's
Got Questions? We’ve Got Answers.
How long does a typical addition take?
A standard room addition typically takes 8–16 weeks, depending on its size and permitting requirements. Projects with complex terrain, specialized designs, or unique structural needs may require extra time for engineering and inspections. We provide detailed timelines upfront and keep you informed of any schedule changes throughout the process.
Do you handle permitting in Snohomish County?
Yes. Our team prepares and submits detailed plans to the City of Everett or Snohomish County authorities, coordinating inspections to ensure full compliance with all local building codes and regulations. Managing permits professionally helps reduce delays and ensures your project proceeds smoothly. We handle communication with inspectors on your behalf for peace of mind.
Can you match existing architectural styles?
We prioritize architectural consistency by carefully matching rooflines, siding, trim, and window styles. Whether your home features colonial, craftsman, modern Northwest, or other design influences, we ensure new additions blend seamlessly with the original structure. Our goal is to achieve a cohesive appearance that preserves your home’s character and enhances its curb appeal.
What energy-saving features are included?
We install high-efficiency windows, upgraded insulation, and energy-rated HVAC components tailored to the local climate. These features reduce long-term utility costs while improving indoor thermal comfort and air quality. Incorporating energy-efficient upgrades also increases your home’s value and sustainability.
How disruptive is a remodel project to daily life?
We implement dust barriers, secure work zones, and conduct thorough daily cleanups to minimize disruption. Our project managers carefully schedule noisy or weather-sensitive tasks to reduce inconvenience. We maintain clear communication to keep you updated on daily activities and expected impacts on your routine.
How are project budgets managed?
We provide transparent and detailed cost estimates, and carefully track expenditures throughout the project. Any changes or unexpected costs are reviewed with you before proceeding, ensuring full financial clarity. This approach helps prevent budget overruns and aligns spending with your priorities.
Can you add a second-story without moving out?
Many homeowners opt to remain in their homes during second-story additions. We create safe, livable zones by securing access points and implementing sound-reduction strategies. Scheduling is designed to minimize noise and disturbances, allowing your household to maintain normal routines as much as possible.
What guarantees do you offer on your work?
We offer comprehensive warranties that cover both materials and workmanship, aligning with industry standards and local regulations. Our team also conducts follow-up inspections post-completion to address any issues promptly. Customer satisfaction and lasting quality are top priorities for every project we undertake.