A rare opportunity to secure a contemporary estate in Atherton before construction begins. The residence is planned for approximately 5,483 sq. ft. of living space, including an approximately 4,686 sq. ft. for the main residence and 797 sq. ft. ADU, plus a 2-car garage. The proposed design features modern architecture, expansive indoor-outdoor living, a private courtyard, elevator, open kitchen and family room, luxurious primary suite, and a lower level with gym, lounge/theater, golf simulator, guest accommodations, and flexible entertaining space. Offered at the conceptual presale stage, this is a unique opportunity to secure the property early, before interior design and finish selections are finalized. Renderings, plans, dimensions, square footage, finishes, and design elements are conceptual and subject to change based on final plans, approvals, engineering, selections, and construction. A rare benefit of this presale offering is a $300,000 Seller credit available to an eligible buyer who completes the purchase and satisfies applicable SB9 owner-occupancy requirements. Buyer to independently verify. Adjacent Lot 1 may also be available-an exceptional opportunity to acquire one or both properties.
Property Details
Price:
$9,800,000
MLS #:
ML82061047
Status:
Active
Beds:
6
Baths:
9
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
699notdefined
Listed Date:
Sep 12, 2026
Finished Sq Ft:
5,483
Lot Size:
17,431 sqft / 0.40 acres (approx)
Year Built:
2026
See this Listing
Schools
School District:
Other
Interior
Bathrooms
7 Full Bathrooms, 2 Half Bathrooms
Cooling
CA
Heating
HP
Exterior
Attached Garage YN
1
Common Walls
NCW
Garage Spaces
2
Parking Spots
2
Parking Total
2
Roof
FLTR, OTH
Financial
Map
Community
- Address11 De Bell DR Atherton CA
- CityAtherton
- CountySan Mateo
- Zip Code94027
Market Summary
Current real estate data for Single Family in Atherton as of Sep 16, 2026
15
Single Family Listed
54
Avg DOM
1,713
Avg $ / SqFt
$10,698,305
Avg List Price
Property Summary
- 11 De Bell DR Atherton CA is a Single Family for sale in Atherton, CA, 94027. It is listed for $9,800,000 and features 6 beds, 9 baths, and has approximately 5,483 square feet of living space, and was originally constructed in 2026. The current price per square foot is $1,787. The average price per square foot for Single Family listings in Atherton is $1,713. The average listing price for Single Family in Atherton is $10,698,305.
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11 De Bell DR
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