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  • 1143 Upper Happy Valley Rd

1143 Upper Happy Valley Rd, Lafayette, CA 94549

$4,250,000 Approx. USD 5 beds, 5 baths
3,940 sqft

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Patrick Ahern REALTOR® - Sales Associate 858-220-9001 m
858-459-0501 o
Lic#: 00610408
NRDS ID: 196548265
aherngroup@gmail.com Text Me
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Lic#: 00610408
NRDS ID: 196548265
aherngroup@gmail.com La Jolla Prospect Office
1299 Prospect St, Ste. 100-101, 200-203 & 301-302
La Jolla, CA 92037
Phone: 858-459-0501
Fax: 858-459-3275
 La Jolla Prospect 1299 Prospect St, Ste. 100-101, 200-203 & 301-302
La Jolla, CA 92037
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Listing Agent


Ann Newton Cane | a.newtoncane@ggsir.com
Lic#: 02084093
Broker: Courtesy of Golden Gate Sotheby's Int'l Re
Phone: 415-999-0253

Agent Remarks

A private resort in one of Lafayette’s most coveted neighborhoods. Tucked into the hills of Happy Valley near Briones Regional Park, this nearly 4,000-sq-ft single-level home offers 5 bedrooms and 5 bathrooms on nearly an acre, minutes from downtown. At the end of a private lane, a newly refinished paver parking court and attached 2-car garage with a generous mudroom welcome you home. Mature trees frame beautifully landscaped grounds with a pool, Bullfrog spa, Sunlighten sauna, terrace, Trex deck, firepit, turf play area and detached writing studio. Multiple rooms open directly outdoors. Four skylights brighten the open-concept kitchen, featuring a 5-by-6-foot stone island with seating for 5, premium appliances and a wine refrigerator. Engineered oak floors connect inviting living spaces, including a living room with Happy Valley views and a fireplace, and a dining room with floor-to-ceiling windows. Four bedrooms share a hallway; the fifth has an en-suite bath and separate garden entrance, ideal for guests or an au pair. The primary bedroom spans nearly 350 sq ft beneath a beamed ceiling, with a gas fireplace, adjoining bath with soaking tub and oversized shower, and a large walk-in closet. Close to Happy Valley Elementary, downtown dining and shopping, Highway 24 and Lafayette and Orinda BART.

Listing Details

Property type: Single Family Residence (Single Family)
Status: Active
MLS# 41152230
Price: $4,250,000
Beds: 5
Baths: 5 (5 full)
Living Room fireplaces
Built in 1965
3,940 sqft
1 story
0.89 acres
Lot size: 0.8890
Subdivision: UPPER HAPPY VLY
County: Contra Costa
Property style: Contemporary
Construction: Wood Siding
Interior features: Eat-in Kitchen
Appliances: Dryer,Washer
Parking description: Garage,Off Street
Lot description: Back Yard,Garden,Yard
Heating description: Forced Air

Last Updated: 10/31/2026

 Days On Market (DOM): 10

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The style of this listing is Contemporary.
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Lat/Long: 37.900821, -122.152373.
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DISCLAIMER: There is NO WARRANTY, expressed or implied, for the accuracy of this information or its applicability to your financial situation. Please consult your financial and/or tax advisor. GET PRE-APPROVED The loan's interest rate will depend upon the specific characteristics of the loan transaction and credit profile up to the time of closing.

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Photo of Patrick Ahern

Patrick Ahern REALTOR® - Sales Associate 858-220-9001 m
858-459-0501 o
Lic#: 00610408
NRDS ID: 196548265
aherngroup@gmail.com Text Me
Call My Cell
Call My Office
Lic#: 00610408
NRDS ID: 196548265
aherngroup@gmail.com
La Jolla Prospect Office
1299 Prospect St, Ste. 100-101, 200-203 & 301-302
La Jolla, CA 92037
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