Welcome to the Tamayo Estate and Vineyard, an extraordinary 11.34-acre retreat nestled in Brentwood’s prestigious gated enclave. This Mediterranean-inspired estate boasts nearly 6,600 SqFt of refined living space and approximately 3,000 SqFt of covered patios, offering seamless indoor-outdoor living. The property features expansive Syrah vineyards, benefiting from pre-1914 water rights via the Byron Irrigation District. Inside, a grand foyer leads to spacious living areas, a state-of-the-art movie theater, and private quarters ideal for guests or staff. The gourmet kitchen, adorned with stone countertops and premium appliances, caters to culinary enthusiasts. Owned solar panels reduce the estate’s environmental footprint. Recent renovations have enhanced the property’s elegance, while the in-ground pool and spa provide a resort-like ambiance. Other highlights include the 5,000 bottle wine cellar with a temperature-controlled room and the 6 car garages within a private motor court. Strategically set within a community where future homes built will be a minimum of 5,000 SqFt, the estate offers unparalleled privacy and exclusivity. Breathtaking views of Mt. Diablo serve as a picturesque backdrop. Adjacent 3 parcels available for sale, which would expand the estate to ~44 acres.
Property Details
Price:
$4,950,000
MLS #:
325043430
Status:
Active
Beds:
5
Baths:
6
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
brentwood
Finished Sq Ft:
6,594
Lot Size:
493,970 sqft / 11.34 acres (approx)
Year Built:
1998
See this Listing
Schools
Interior
# of Fireplaces
2
Cooling
Central
Fireplace Features
Family Room, Living Room
Full Bathrooms
5
Half Bathrooms
1
Heating
Central
Laundry Features
Inside Room
Exterior
Lot Features
Other
Parking Features
Attached
Pool
Yes
Roof
Tile
Stories
1
Financial
HOA
No
Map
Community
- Address11670 Byron Highway Brentwood CA
- CityBrentwood
- CountyContra Costa
- Zip Code94513
Market Summary
Current real estate data for Single Family in Brentwood as of Apr 14, 2026
3
Single Family Listed
160
Avg DOM
443
Avg $ / SqFt
$2,342,667
Avg List Price
Property Summary
- 11670 Byron Highway Brentwood CA is a Single Family for sale in Brentwood, CA, 94513. It is listed for $4,950,000 and features 5 beds, 6 baths, and has approximately 6,594 square feet of living space, and was originally constructed in 1998. The current price per square foot is $751. The average price per square foot for Single Family listings in Brentwood is $443. The average listing price for Single Family in Brentwood is $2,342,667.
Similar Listings Nearby
Copyright 2026, Bay Area Real Estate Information Services, Inc. All Rights Reserved. Listing courtesy of Timothy Allen at Coldwell Banker Realty
11670 Byron Highway
Brentwood, CA

