About This Home

This 5-bedroom, 5-bathroom single family at 1143 Upper Happy Valley Rd in Lafayette, CA is listed for $4,250,000 ($1,079 per sqft). Built in 1965, the home offers 3,940 sqft of living space on a 0.89 acres lot.

Key Features

  • Built in 1965
  • 0.89 acre lot
  • Private pool
  • Fireplace

Property Details

1 story
5 full
2-car garage
1965

Amenities

PoolFireplaceSpaHardwoodA/C
Listing Description

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.

Monthly Cost Estimate

$22,730/mo

20% down · 6.5% · 30 years

Principal$3,074
Interest$18,417
Insurance$1,240

Estimates only. Actual payments may vary.

Location

1143 Upper Happy Valley Rd

Lafayette, CA 94549

Upper Happy Vly

Features & Amenities

Interior Features

Family RoomFormal Dining RoomUpdated Kitchen

Exterior Features

Back YardGarden/PlaySide YardLandscape BackLandscape FrontPrivate EntranceYard Space

Property Details

Flooring

Hardwood

Construction

Wood Siding

Pool Features

Pool

Parking

Off Street

Heating

Forced Air

Cooling

Heat Pump

Appliances

DishwasherGas RangeMicrowaveRangeRefrigeratorDryerWasher

Questions & Answers

This 5-bedroom, 5-bathroom single family at 1143 Upper Happy Valley Rd is listed at $4,250,000 ($1,079/sqft). The estimated monthly payment is $22,730 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance.

Key features include: Built in 1965, 0.89 acre lot, Private pool, Fireplace. Interior Features: Family Room, Formal Dining Room, Updated Kitchen. Exterior Features: Back Yard, Garden/Play, Side Yard.

This property is listed by Ann Newton Cane.

AC

Ann Newton Cane

Agent at Decker Bullock Dreyfus, Inc.

Listed by Decker Bullock Dreyfus, Inc. · Broker phone: (415) 868-9700 · View on Broker Site · Broker website

MLS# 41152230· Source: Contra Costa Association of REALTORS®· 3 days on PropertySimple

Copyright © 2026 Contra Costa Association of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

1143 Upper Happy Valley Rd, Lafayette, CA 94549

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