What We Do
Bathroom Remodeling
Full-service bathroom renovations — from layouts and fixtures to tile, lighting, and waterproofing for a beautiful, durable finish.
Home Additions
Seamless additions that expand living space and blend with your home’s style — bedrooms, sunrooms, second-story additions.
Basement Finishing
Transform underused basements into functional living areas: family rooms, home theaters, or guest suites with moisture control and insulation.
Roofing & Siding
Reliable roof replacement and siding installation using quality materials to protect and refresh your home’s exterior.
Our Story
Collin Business is a family-owned contractor serving Bellevue, WA, for five years. We specialize in kitchen and bathroom remodeling, home additions, basement finishing, roofing, and siding to elevate your living spaces.
Our Work
Business Hours
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Serving Bellevue, Redmond, Kirkland — reach out today