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 4,924 square feet of refined living space, including an attached JADU. 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.
| LIST_PRICE |
12000000 |
| DCID |
5A86F8FD01EB3E78E0631501030A90D4 |
| BEDROOMS_TOTAL |
7 |
| LONGITUDE |
-122.370374 |
| STREET_NUMBER |
20 |
| MLS_STATUS |
ACTV |
| COUNTY_OR_PARISH |
San Mateo |
| SQFT |
4924 |
| LISTING_ID |
ML82059857 |
| DISPLAY_PRICE |
12000000 |
| REPORT_DISPLAY_PRICE |
12000000 |
| SOURCE_MLS |
MLSLISTINGS |
| STATE_OR_PROVINCE |
CA |
| CITY_STATE_ZIP |
Hillsborough, CA 94010 |
| PARCEL_NUMBER |
030-061-080 |
| POSTAL_CODE |
94010 |
| DAYS_ON_MARKET |
22 |
| STREET_DIR_PREFIX |
— |
| YEAR_BUILT |
2026 |
| STREET_NAME |
Castle |
| SRCHPRICE |
12000000 |
| PROPERTY_TYPE |
RE |
| HOA_DISPLAY |
— |
| PHOTO_VIRTUAL_TOUR |
— |
| GAR_DISPLAY |
/ |
| LOT_SQFT |
21787 |
| BATHS_DISPLAY |
— |
| ACRES |
0.5002 |
| ALLLIST.DCID |
5A86F8FD01EC3E78E0631501030A90D4 |
| RAW_STATUS |
ACTV |
| CITY |
HILLSBOROU |
| STREET_ADDRESS |
20 Castle |
| LATITUDE |
37.556252 |
| BUILDING_TYPE |
Detached |
Details fetched: September 27 2026 02:38AM
First seen: 2026-09-27 01:14 UTC
|
Last updated: 2026-09-27 01:14 UTC