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About This Home

This 4-bedroom, 3-bathroom single family at 3646 Happy Valley Rd in Lafayette, CA is listed for $3,295,000 ($950 per sqft). Built in 1949, the home offers 3,470 sqft of living space on a 0.32 acres lot.

Agent Description

Located down a private country lane sits this stunning contemporary masterpiece nestled amongst Happy Valley's majestic oaks. From the moment you arrive, you will notice custom epa modern fencing, curated drought-tolerant landscaping, and a dramatic entry walkway which all set the tone for the exceptional living experience within.

The expansive great room features soaring ceilings, a designer chandelier, and walls of incredible Marvin sliding glass doors that open to the ultimate California indoor/outdoor living space - a covered loggia with motorized louvered pergola, ceiling fan, built-in firepit table, outdoor TV, and sparkling pool surrounded by lush, mature landscaping.

The chef's kitchen dazzles with an oversized waterfall island, crisp white cabinetry, premium appliances, and dramatic globe pendant lighting. The formal dining room makes every gathering an occasion with its artisan fixture and vibrant designer accents.

A sophisticated wet bar rounds out the main living area - ideal for entertaining. Downstairs features three spacious bedrooms, two and a half baths, and an incredible laundry room/office space/ mudroom off the garage. Located upstairs, the private, primary suite is a true retreat, offering a spa-inspired bath and a custom walk-in closet.

Incredible loft area off primary bedroom is and ideal offie space. This home delivers the perfect marriage of architectural integrity, designer interiors, and resort-style outdoor living!

Key Features

  • Built in 1949
  • 0.32 acre lot
  • 2 stories
  • Private pool
  • Fireplace

Property Details

2 stories
3 full, 1 half
1949

Amenities

PoolFireplaceHardwoodA/C

Monthly Cost Estimate

$17,622/mo

20% down · 6.5% · 30 years

Principal$2,383
Interest$14,278
Insurance$961

Estimates only. Actual payments may vary.

Location

3646 Happy Valley Rd

Lafayette, CA 94549

Happy Valley

Features & Amenities

Interior Features

DenFormal Dining RoomOfficeBreakfast BarUpdated Kitchen

Exterior Features

Back YardFront Yard

Property Details

Flooring

CarpetHardwood

Construction

Stucco

Parking

Open

Heating

Forced Air

Cooling

Central Air

Appliances

DishwasherRefrigerator

Questions & Answers

This 4-bedroom, 3-bathroom single family at 3646 Happy Valley Rd is listed at $3,295,000 ($950/sqft). The estimated monthly payment is $14,278 based on 20% down at 6.5% interest.

Key features include: Built in 1949, 0.32 acre lot, 2 stories, Private pool, Fireplace. Interior Features: Den, Formal Dining Room, Office. Exterior Features: Back Yard, Front Yard.

This property is listed by Julie Dudum Del Santo and can be reached at 9258185500 or julie@dudum.com.

JS

Julie Dudum Del Santo

Agent at Dudum Real Estate Group

(925) 818-5500

Listed by Dudum Real Estate Group · View on Broker Site

MLS# 41137402· Source: listhub· Updated 1 days ago

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.

3646 Happy Valley Rd, Lafayette, CA 94549

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