Welcome to Mariposa at Santiago Estates Temecula's premier luxury estate offering the perfect blend of sophistication, space, and lifestyle with no HOA and low taxes.This stunning 4,533 sq. ft. entertainer's dream home sits on 2.4 usable acres in a peaceful cul-de-sac with panoramic sunset views, annual fireworks sight lines, and true horse property amenities including a barn and riding arena. Whether you're hosting a crowd or enjoying a quiet evening, this estate was built for the best of both worlds.Inside: 5 bedrooms | 4.5 baths | Next-Gen/In-Law suite with private entry and living area perfect for extended family or guests | Chef's kitchen with new cabinetry, prep island, designer lighting, and premium appliances | Formal living and dining rooms | Spacious family room with fireplace and built-in bar | Primary retreat with sitting area, fireplace, and spa bath featuring dual sinks, quartz countertops, soaking tub, and walk-in shower | Bonus flex room ideal for a gym, studio, or office.Outside: Resort-style saltwater pool (installed just over 5 years ago) | Newly installed pool equipment including filter system (2026) | Alumawood patio cover | Built-in BBQ with outdoor kitchen and dining area | Fire pit lounge | Mature fruit trees oranges, lemons, limes, figs, avocados, olives, pomegranate, and grapevine | Raised garden beds for farm-to-table living | Detached pool room/office | Horse barn and riding arena on the lower property ideal for equestrian use or potentially converted to an ADU space.Major Upgrades the big items are already done: 56-panel paid-off solar system | 400-amp electrical service | Whole house water filtration system | New HVAC | Roof replaced 2022 | New LVP flooring | New water heater | Septic tank & leech lines (installed 2024) | Solar-heated pool | New insulation | 3-car garage | Extended RV parking driveway.Minutes to Old Town Temecula, Wine Country, Pechanga Resort, top dining and shopping. Come experience it for yourself this one checks every box.