A-1 and NO HOA! Tucked away on a quiet cul de sac, 8701 Sinclair Mill Rd offers a rare blend of privacy, natural beauty, and resort style living on almost 10 picturesque acres in Manassas. Ideal setting for a shooting area with the slope of the land serving as the backstop / berm. being over 5 acres, you can hunt (firearm or bow) on your own land. Backing to county parkland, the opportunities are infinite! The setting is truly special, with the peaceful Long Branch stream winding through the rear of the property and backing directly to protected county parkland at Doves Landing. This creates a serene, ever changing landscape and a level of privacy rarely found in such a convenient Northern Virginia location. Built in 2005, the home showcases elegant architecture and thoughtful design, highlighted by soaring ceilings exceeding 12 feet across two levels and a dramatic 20 foot foyer with a sweeping staircase. Natural light fills the home, creating an atmosphere that feels both grand and inviting. Outdoor living is where this property truly shines. The private pool and hot tub are complemented by an expansive outdoor living area with a fully equipped outdoor kitchen and gas firepit, creating the perfect setting for entertaining or relaxing. Whether hosting summer gatherings or enjoying crisp evenings outdoors, the space is designed to be used year round. Equestrian and hobby enthusiasts will appreciate the beautifully updated three stall barn, riding ring, and open pastures, offering flexibility for horses or a variety of lifestyle uses. Inside, the home offers over six bedrooms, four full baths, and two half baths with a layout designed for both everyday living and entertaining. Three spacious living areas provide flexibility for gatherings, multi generational living, or private retreats. Three gas fireplaces and a wood burning stove add warmth and character throughout. The main level features three bedrooms, including a secondary primary suite, making one level living an easy option. The upper level primary suite is a true retreat with a sitting area, an expansive spa style bath featuring a dual head walk in shower and jetted tub, and an oversized walk in closet. The lower level continues to impress with a large recreation area, wet bar and coffee bar, and additional bedrooms, offering even more flexible living space. Recent updates provide peace of mind, including a new roof, updated HVAC systems, new plumbing improvements, fresh paint, updated fixtures, new 80 gallon water heaters, radon mitigation system, septic system improvements, and a refreshed barn. A whole home generator adds an additional layer of comfort and reliability. The peat fiber in the septic was replaced in 2025. Home has a 4 bedroom perc. A gated entrance and long private driveway set the tone for arrival, enhancing both privacy and presence. Despite its peaceful, estate like setting, the home remains conveniently located approximately 12 miles to I95, 8.6 miles to Route 28, and 13 miles to I66, offering accessibility without sacrificing space or tranquility. This is more than a home, it is a private retreat where everyday living feels like a getaway.