Historic Portland Manor Allendale is privately set on 4.5 acres off sought-after Brooks Woods Road, surrounded by mature trees, neighboring acreage, and pastoral surroundings. A heritage tree-lined drive leads to the residence, framed by established landscaping, gorgeous brick walkways surrounding the home, landscape lighting, covered porches, and a renovated in-ground pool. Dating back to the late 1700s, with additions completed in the early 1800s, the home has been thoughtfully restored and updated while preserving its historic integrity and original craftsmanship. Offering an estimated 5,100 square feet, the property includes six bedrooms and four and a half baths across the main residence and separate in-law suite. Interior features include original heart pine flooring, restored historic windows, six fireplaces, a traditional central hall layout, three staircases, multiple gathering spaces, and extensive custom built-ins and storage throughout. The main level includes a formal dining room with marble fireplace and adjoining butlers pantry, family room with restored marble fireplace, living room with fireplace and custom built-ins, greenhouse room, powder room, and multiple access points to the homes covered porches and outdoor living spaces. The custom kitchen features extensive handmade cabinetry and tile work, custom shelving and pantry storage, soapstone and butcher block countertops, commercial-grade gas cooking with a double gas range, vent hood, griddle, separate service sink, and generous preparation space designed for entertaining and everyday functionality. A storage closet beneath the main staircase and extensive built-in cabinetry throughout the connecting gallery to the in-law suite provide exceptional functional storage rarely found in historic homes. The second level includes the primary suite with a large walk-in closet, private kitchenette, fireplace, and ensuite bath. Two additional bedrooms are located on this level, each featuring fireplaces, with one offering an ensuite bathroom. The third floor offers two additional bedrooms, a full bathroom, a large finished storage closet, and expansive attic storage space. The separate in-law suite, originally constructed in 1785, includes a living and dining area, kitchenette, full bathroom with private laundry, and an upper-level bedroom with vaulted A-frame ceiling. The residence includes eight exterior doors leading to approximately 1,000 square feet of covered brick porches, landscaped walkways, pool areas, and outdoor gathering spaces, creating a seamless connection between the home and grounds. Outdoor features include a fully renovated 20 x 40 pool (2025), pool house, custom fire pit patio with built-in seating, large deck with new decking (2025), fenced areas, extensive landscape lighting, and a custom Williamsburg-style chicken coop. Major system updates include two high-efficiency HVAC systems, updated plumbing and electrical systems, and new 400-amp electric service (2025). The exterior was fully repainted in 2026. A rare offering combining historic character, extensive restoration, privacy, acreage, and modern livability, conveniently located near The Cannon Club, local farmers markets, waterfront dining, and commuter routes. Open House by appointment only. Two Tax IDs convey.