Premium Home Additions Services
Need more space? Alliance Pro Services builds custom home additions, second-story expansions, and master suites across Bothell and Issaquah. Our seamless architectural integration ensures your new room addition perfectly matches your existing home in Mountlake Terrace and Mercer Island.
Comprehensive Home Additions Solutions
At Alliance Pro Services, we take pride in offering premium home additions tailored to your specific needs. Our team of experienced professionals ensures that every detail is executed with precision and care, delivering results that exceed expectations.
Whether you're looking to enhance the functionality, aesthetics, or value of your property, our home additions solutions are designed to provide long-lasting quality and satisfaction. We work closely with you from concept to completion, ensuring a seamless and stress-free experience.
Our builders seamlessly integrated a two-story home addition in Lakewood, adding a spacious master suite and expanding the family room. In Redmond, we constructed a beautiful sunroom addition, matching the home's original architectural style and roofing perfectly.
We recently completed a seamless home addition in Silverdale, adding a spacious new master suite and sunroom that perfectly matched the home's existing architecture and significantly increased its value.
Quality craftsmanship is at the heart of everything we do. We utilize only the finest materials and employ proven construction techniques to ensure that your home additions project stands the test of time. Our rigorous quality control processes guarantee a flawless finish that you can be proud of for years to come.
We also recognize the importance of minimizing disruption to your daily life or business operations. Our project management team meticulously plans and coordinates every aspect of the work, ensuring that timelines are met and the work site is kept clean, safe, and organized throughout the duration of the project.
Ready to get started? Our dedicated team is standing by to bring your vision to life with unparalleled expertise and dedication. Use our interactive project estimator to get a rough idea of the costs, or book a consultation with us today to discuss your home additions project in detail.
Our Home Additions Process
Initial Consultation
We discuss your vision, goals, and budget to understand exactly what you want to achieve with your project. We'll review the space and outline potential solutions tailored to your needs.
Before & After
Proudly Serving the Greater Seattle Area
Our premium home additions services are available to residential and commercial clients throughout Washington, including:
Gig Harbor, Tukwila, Arlington, Tacoma, Lynnwood, SeaTac, Bothell, Snoqualmie, Mukilteo, Monroe, Black Diamond, North Bend, Fall City, Lake Stevens, Brier, Shoreline, Fife, Bremerton, Port Orchard, Edgewood, Seattle, Kirkland, Des Moines, Puyallup, Marysville, Burien, Mountlake Terrace, Bonney Lake, Silverdale, Mill Creek, Bellevue, Covington, Edmonds, Woodway, Auburn, Lakewood, Poulsbo, Issaquah, Federal Way, University Place, Milton, Newcastle, Sammamish, Enumclaw, Vashon, Everett, Bainbridge Island, Mercer Island, Kent, Snohomish, Renton, Kenmore, Maple Valley, Redmond, Woodinville.
Project Quote Estimators
Use our interactive calculators to get a real-time rough estimate of your project cost before requesting a quote.
Home Addition Estimator
Estimated Range
$49,950 - $72,150
Estimates are for planning purposes only. Final pricing depends on project scope, materials, site conditions, and inspection.
Schedule a Pre-Estimate Call
Pick a convenient time for us to review your project and provide an accurate quote.
Ready to Schedule?
Complete your project estimate on the left and click "Schedule Your Pre-Estimate Call" to load the calendar.
