Welcome to 4626 Calle De Retiro, a beautifully & updated 4-bedroom, 2-bathroom home nestled in a highly desirable Oceanside neighborhood. Thoughtfully upgraded throughout, this move-in-ready residence offers the perfect blend of comfort, style, energy efficiency, and everyday convenience. Copper plumbing done a few years ago, all throughout! Enjoy significant savings with a Sunrun® solar system which was grandfathered in with SDG&E (not being offered to new clients) paired with a Sonnen® backup battery, providing reliable backup power during outages, if a black-out occurs you are back up & running in 5 minutes with the OFF-GRID system, transferable warranties for added peace of mind. Additional smart-home features include an ADT security system and Blink® exterior security cameras. Inside, you’ll find travertine flooring and showers, granite countertops in the kitchen and both bathrooms, Berber carpeting, modern lighting, dual-pane windows, updated copper plumbing (not in slab), and a new electrical panel with capacity for future EV charging. The home also features a Carrier® 3-ton air conditioning system, updated ductwork & vents, stainless steel gas appliances. Step outside to beautifully landscaped front and back yards featuring a mature Beacon avocado tree, Mexican Capulín cherry tree, colorful roses, ferns, and Bird of Paradise, all maintained with an automatic sprinkler system. With a spacious floor plan that offers an extra 200+ sqft bonus space, quality upgrades throughout, and an exceptional location close to shopping, dining, parks, and schools, this home is a rare opportunity to enjoy the very best of Oceanside living. Backyard patio area with enough space to enclose & add square footage.