Description

Offered as a rare presale opportunity with the ability to personalize select finishes, this modern architectural masterpiece is estimated for completion in Q3 2027. Privately situated on a level half-acre cul-de-sac lot, the residence offers approximately 5,722 square feet of refined living space, including an attached ADU & pool. A dramatic double-height foyer with a full-height porcelain slab feature wall and statement chandelier creates a striking first impression. Soaring ceilings, premium engineered oak flooring, a dramatic floating staircase, and walls of glass create a striking sense of scale and effortless indoor-outdoor living. The showpiece kitchen features custom European-inspired cabinetry with warm natural wood finishes, natural quartzite surfaces, a waterfall island, and premium Miele appliances. A private balcony, spa-inspired primary bath, custom wine display, Control4 automation, and beautifully landscaped grounds complete the residence. Buy early for preferred pricing and design personalization.

Property details

Bedrooms

7

Bathrooms

7

Square feet

5,722

Year built

2026

Property type

Residential

Lot size

21,787 sqft

Location

20 Castle Court • Hillsborough, CA 94010

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Listed by

Phil Chen · Christie's International Real Estate Sereno

Similar Listings

Recent sales near 20 Castle Court

520 Darrell Road: Sold $6,400,000 · 6 bd · 6 ba · 4,746 sqft · Jul 2026 · 0.4 mi
Compass | DRE #01872148
Buyer's agent: Ryan LeDoux, Compass | DRE #01829597
260 Robin Road: Sold $5,795,000 · 4 bd · 5 ba · 3,884 sqft · Jun 2026 · 0.5 mi
KW Advisors | DRE #70010005
Buyer's agent: Stanley Lo, Green Banker Realty | DRE #00874415
34 Roberts Way: Sold $5,900,000 · 4 bd · 4 ba · 3,480 sqft · Jun 2026 · 0.6 mi
Deleon Realty | DRE #70010006
Buyer's agent: Eric Chu, Christie's International Real Estate Sereno | DRE #02039805
420 El Arroyo Road: Sold $6,500,000 · 6 bd · 6 ba · 5,030 sqft · Jun 2026 · 0.9 mi
Compass | DRE #70014994
Buyer's agent: Charles Griffith, Golden Gate Sotheby's International Realty | DRE #01899593
1520 Tartan Trail Road: Sold $4,700,000 · 4 bd · 3 ba · 3,790 sqft · Aug 2026 · 1.0 mi
Green Banker Realty | DRE #00874415
Buyer's agent: Stanley Lo, Green Banker Realty | DRE #00874415
30 Bayberry Place: Sold $8,800,000 · 6 bd · 6 ba · 5,370 sqft · Jul 2026 · 1.1 mi
Compass | DRE #70010007
Buyer's agent: Jenn Gilson, Golden Gate Sotheby's International Realty | DRE #01889172
600 Eucalyptus Avenue: Sold $18,770,000 · 6 bd · 9 ba · 10,140 sqft · Sep 2026 · 1.2 mi
1032 La Cuesta Road: Sold $4,500,000 · 4 bd · 3 ba · 2,420 sqft · Aug 2026 · 1.2 mi
Compass | DRE #70014994
Buyer's agent: Rachel DiNapoli, Christie's International Real Estate Sereno | DRE #01415869

Closed sales reported in 94010, nearest first, last 12 months. All recent sales in Hillsborough →

7-Bedroom Residential - 20 Castle Court, Hillsborough, CA