2499 Sierra Dr, Upland, CA 91784 (MLS # CV26031826)
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Custom-built single-story residence situated within a private gated setting in San Antonio Heights, positioned to capture sweeping valley and mountain views. This 5,200 sq ft, home features 4 ensuite bedrooms and 6 bathrooms, designed with a strong emphasis on scale, flow, and privacy. The residence showcases refined Mediterranean-inspired architecture paired with a sophisticated, modern interior. A striking entry with oversized double doors opens to expansive ceiling heights, arched windows, and a light-filled open floor plan. Elevated positioning enhances the sense of privacy while providing unobstructed views rarely found in single-level estates. Formal living and dining rooms provide elegant yet functional spaces for entertaining, while the central living area is designed for seamless indoor-outdoor living. The kitchen features Thermador professional appliances, extensive counter space, custom cabinetry, and a large breakfast bar, opening to a grand great room with fireplace. Retractable glass doors lead to approximately 1,730 sq ft of covered outdoor living, including a spacious loggia overlooking the pool, putting green, and expansive valley backdrop. The primary suite offers a serene retreat with panoramic views, fireplace, generous walk-in closet, and a spa-like bath featuring dual vanities, a freestanding soaking tub, and a separate walk-in shower. One bedroom has been configured as a private studio with kitchenette and bathroom, offering flexibility for guests, multigenerational living, or extended stays. The property also includes whole-house LED lighting, an integrated audio system, security cameras, solar panels, electric vehicle charging, and a gated drive with RV parking. The grounds provide ample space for recreation, entertaining, or pets, all within a secure and private setting. A rare opportunity to own a gated, single-level estate in San Antonio Heights with commanding views, architectural refinement, and modern amenities.
| DAYS ON MARKET | 0 | LAST UPDATED | 2/11/2026 |
|---|---|---|---|
| YEAR BUILT | 2024 | GARAGE SPACES | 4.0 |
| COUNTY | San Bernardino | STATUS | Active |
| PROPERTY TYPE(S) | Condo/Townhouse/Co-Op |
| ADDITIONAL DETAILS | |
| AIR | Central Air |
|---|---|
| AIR CONDITIONING | Yes |
| APPLIANCES | Dishwasher, Disposal, Double Oven, Gas Range, Refrigerator |
| CONSTRUCTION | Frame, Stucco |
| FIREPLACE | Yes |
| GARAGE | Yes |
| HEAT | Fireplace(s), Forced Air |
| LOT | 0.5786 acre(s) |
| LOT DESCRIPTION | Cul-De-Sac |
| POOL | Yes |
| POOL DESCRIPTION | Private, In Ground |
| SEWER | Unknown |
| STORIES | 1 |
| STYLE | Mediterranean/Spanish, Modern |
| UTILITIES | Electricity Available, Natural Gas Available, Cable Available, Phone Available, Water Available |
| VIEW | Yes |
| VIEW DESCRIPTION | Neighborhood, City Lights, Mountain(s), Valley |
| WATER | Private |
TOTAL MONTHLY PAYMENT
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Properties on this website was last updated as recently as 2/12/26 12:28 AM PST.
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