Over $100,000 in premium, capital updates were completed in 2026 by the Architect Owner! Truly a turn-key home with two brand new Daikin HVAC units, new kitchen appliances, new carpet, new pool equipment, new interior paint, refreshed bathrooms, refinished floors, triple pane windows and so much more! Designed for versatility, the floor plan features a downstairs flex space/suite with direct access to the oversized outdoor living space, pool and backyard. Upstairs, a primary suite and three additional bedrooms provide generous opportunity for a variety of living arrangements. Magnificent oak trees frame the classic columned exterior of 108 Sir Arthur Court, reflecting the timeless character of the neighborhood. Conveniently located minutes from San Antonio International Airport, Loop 410, Highway 281, The Quarry, the Medical Center, shopping, and dining, this property combines exceptional accessibility with the established character that makes Castle Hills one of San Antonio's most sought-after communities.