Attention builders and investors, this is a rare opportunity to acquire an expansive lot of nearly 18,000 square feet in a prime downtown Alhambra location with exceptional future upside. THE PROPERTY IS LOCATED IN A RESIDENTIAL HIGH-DENSITY ZONE, ALLOWING THE POTENTIAL DEVELOPMENT OF UP TO 64 UNITS PER ACRE, UP TO 75 FEET IN HEIGHT, AND UP TO 6 STORIES (BUYER TO VERIFY).Ideally situated within walking distance to the Edwards Theater, restaurants, and shops along downtown Alhambra's main street, the property offers both urban convenience and a peaceful neighborhood setting. Enjoy easy access to the 10 Freeway, Costco, and Home Depot. This gated community currently features two buildings with three total units, providing immediate rental income. Front house (209 Monterey): 2 bedrooms, 1 bathroom. Rear building (209½ Monterey): Two units, each with 1 bedroom and 1 bathroom. All three units were recently upgraded in 2026 and vacant for sale, making this a solid lease-now, build-later investment. Buyers are advised to verify zoning, development potential, and building requirements with the Alhambra Community Development Department or appropriate agencies.Motivated seller. Don't miss this exceptional opportunity to secure a high-density development site in one of Alhambra's most desirable locations.