133 S Walkup Avenue Welcome To This Exceptionally Upgraded 4 Bedroom, 2 Bath Residence Offering Over 2, 200 Square Feet Of Refined Living Space, Plus A Full Partially Finished Walkout Basement. Originally Built In 1912 And Thoughtfully Transformed Through Extensive Renovations Beginning In 2012, This Home Masterfully Blends Timeless Character With Modern Comfort And Infrastructure. Nearly Every Major System Has Been Updated, Freshly Painted (2026) Including High-Efficiency Furnace And Central Air Conditioning System, 200 Amp Electrical Service, Updated Plumbing And Gas Lines, Reinforced Joists, Newer Roof, Gutters, Insulated Siding, And Mostly All New Windows. The Inviting Living Room Features A Beautiful Bay Window With A Custom Seating Bench, Creating A Warm And Functional Space Filled With Natural Light. The Designer Kitchen Is A True Centerpiece, Showcasing Custom Cabinetry, Updated Countertops, Premium Appliances, Generous Pantry Storage, Instant Hot Water, And A Filtration System. Both Bathrooms Have Been Beautifully Updated, Including A Spectacular Full Upstairs Renovation Completed In 2025. New Flooring Flows Throughout The Home, Accented By Updated Baseboards And Elegant Crown Molding. Outdoor Living Is Equally Impressive With A Fully Rebuilt Front Porch And Rear Deck, New Paver Walkway, Professional Landscaping, And A Spacious Two Car Garage With New Garage Doors (Feb 2026). The Walkout Basement Provides Exceptional Flexibility For Entertaining, Workspace, Or Additional Living Area. This Is A Rare Opportunity To Own A Truly Turnkey Home Where Craftsmanship, Care, And Peace Of Mind Come Together In A Prime Crystal Lake Location.