NEWLY IMPROVED PRICE — PRIVACY, MOUNTAIN VIEWS, RV PARKING & SPACE IN HADLEIGH HILLS! Welcome to 424 Peter Place, an impressive Simi Valley home for sale in desirable Hadleigh Hills. Tucked at the end of a quiet cul-de-sac, this beautifully maintained 4-bedroom, 3-full-bath home offers 3,483 sq ft on an oversized 13,000+ sq ft lot with sweeping mountain & hillside views, no neighbors directly behind & no immediate neighbor to the side. Ideal for buyers seeking a large Simi Valley home with a downstairs bedroom, multigenerational floor plan, guest space or home office, the main level features a desirable bedroom & full bath. Upstairs, a spacious loft/bonus room provides additional living, media, office, game or fitness space with potential as a 5th bedroom. A wrought-iron gate, stamped concrete & stone accents create an inviting entry. Inside, soaring ceilings, abundant natural light, wood shutters & slate flooring highlight the formal living & dining areas. The open family room, breakfast area & kitchen are anchored by a gas fireplace. The gourmet kitchen features granite countertops & backsplash, center island with breakfast bar, maple cabinetry, built-in appliances, 5-burner gas cooktop, double wall ovens, wine refrigerator & walk-in pantry. Upstairs, 2 secondary bedrooms share a Jack-&-Jill bath. The spacious primary suite offers coffered ceilings, sitting area, hillside views, dual walk-in closets & a spa-inspired bath with oversized soaking tub & separate walk-in shower with seating. The private backyard is designed for Southern California indoor-outdoor living with a covered patio, built-in BBQ island, grill, refrigerator, lush landscaping & peaceful mountain views. For buyers searching for a Simi Valley home with RV parking, this property offers approximately 45' x 20' gated RV parking plus an oversized 3-car garage. Additional features include dual-zone heating & A/C, surround-sound prewire, central vacuum, automatic sprinklers & a large storage shed. Conveniently located near Simi Valley shopping, dining, recreation, entertainment & commuter routes, 424 Peter Place offers nearly 3,500 sq ft, 4 bedrooms plus loft/5th-bedroom potential, downstairs bedroom & bath, oversized lot, 3-car garage, gated RV parking, mountain views, privacy & a prime cul-de-sac location.