Rare find and only 30 miles from downtown Washington! Welcome to your own private sanctuary. Nestled at the end of a long, quiet lane on 3.52 secluded acres, this magnificent 4-bedroom, 2.5-bath colonial offers over 4,000 square feet of bright, inviting living space. Enjoy the perfect balance of peace and convenience-minutes from downtown Olney, major commuter routes (I-70 and I-95), metro and the scenic trails of Rachel Carson Conservation Park. Inside, a dramatic two-story foyer and curved staircase offer a grand welcome. The main level is designed for both productivity and entertainment, featuring a private home office, formal living and dining combination, and a spectacular two-story great room anchored by a cozy gas fireplace. The spacious island kitchen flows seamlessly into a sun-drenched breakfast room surrounded by windows. Upstairs, the luxurious primary suite boasts large parlor area, two walk-in closets and a spa-like ensuite with dual sinks and a whirlpool tub. Three additional generously sized bedrooms share a well-appointed hall bath with double vanities. Outdoor living is a dream in the fenced backyard, featuring a premium swim-spa/hot tub setup. Additional highlights include an attached 3-car garage, energy-efficient leased solar panels, and a massive unfinished basement ready for your custom touch. Being sold AS-IS but shows very well. Possible Seller Rent Back required.