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
MORTGAGE CALCULATOR
   

TOTAL MONTHLY PAYMENT

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*Estimate only
Listed with Re/Max Freedom

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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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