Rare opportunity to acquire a build-ready lot in the prestigious Stonegate Community of Sierra Madre, one of the city’s most desirable hillside neighborhoods. Nathaniel Terrace is a newly established road off Baldwin Court, and this premium north hillside parcel is ideal for builders, developers, or owner-users seeking to construct a custom luxury residence. The seller previously commissioned conceptual architectural plans, which were not submitted for city approval and are provided for reference only. Buyer to perform all due diligence and obtain all required approvals. Based on the prior design concept, the property offers potential for approximately 4,900 square feet of above-grade living area, plus an additional ~1,000 square feet basement, allowing for nearly 5,900 square feet of total usable space, subject to city verification and approvals. Positioned beneath majestic Mt. Wilson, the lot features expansive city light views and is among the limited remaining buildable parcels on the north hillside of Sierra Madre—an area with long-standing demand, limited supply, and strong resale appeal. Sierra Madre is consistently recognized among the top communities living in California. The property is within walking distance to downtown Sierra Madre, offering convenient access to shopping, dining, and local amenities, while being just minutes from Arcadia, Pasadena, and Downtown Los Angeles. An excellent opportunity for builders or investors seeking a high-quality lot in a proven luxury market with limited inventory