3646 Happy Valley Rd

Lafayette, CA
$ 2,995,000 Beds 4 Baths 3.5 Sq 3,470
Monthly Estimate* How much can I afford?

Tucked down a private country lane beneath Happy Valley’s majestic oaks, 3646 Happy Valley Road is a striking contemporary retreat where exceptional design, privacy and resort-style living come together beautifully. From the moment you arrive, custom modern fencing, curated drought-tolerant landscaping and a dramatic entry walkway create an unforgettable first impression. Inside, the expansive great room is a showstopper, with soaring ceilings, a statement chandelier and walls of Marvin sliding glass doors that blur the line between indoors and out. A sleek wet bar adds another layer of effortless entertaining.The living space flows effortlessly to an extraordinary covered loggia designed for year-round California living, complete with a motorized louvered pergola, ceiling fan, built-in firepit table and outdoor TV, all overlooking the sparkling pool and lush, mature landscape. It is an entertainer’s dream and a private sanctuary all in one. At the heart of the home, the chef’s kitchen is both stunning and beautifully functional, featuring an oversized waterfall island, crisp white cabinetry, premium appliances and sculptural globe pendants. Kitchen overlooks beautiful family room with fireplace and built in cabinetry and tranquil views of the outdoors. The adjoining formal dining room brings personality and sophistication to every gathering. The thoughtfully designed main level offers three spacious bedrooms, two-and-a-half baths, plus an exceptional combination laundry room, mudroom and office space conveniently located off the garage. Upstairs, the entire primary level feels like a private escape. The serene primary suite features a spa-inspired bath, custom walk-in closet and an expansive adjoining loft, ideal for a home office, lounge, fitness space, quiet retreat, or even a baby nursery! Every detail of this home has been thoughtfully considered. With its architectural presence, sophisticated interiors, seamless indoor/outdoor connection and spectacular resort-inspired backyard, 3546 Happy Valley Road captures the very best of the Happy Valley lifestyle.

Active

  • Price
  • $ 2,995,000
  • City
  • Lafayette
  • Bedrooms
  • 4
  • Full Bathrooms
  • 3
  • County
  • Contra Costa
  • Half Bathrooms
  • 1
  • Area
  • Lot Size
  • 0.32 Acres
  • Zip
  • 94549
  • Sqr Footage
  • 3,470
  • Year Built
  • 1949
  • Style
  • Modern/High Tech
  • MLS#
  • 41148759
Listed By: Julie Dudum Del Santo with Dudum Real Estate Group; 925-818-5500
Data Source: Bay East MLS, CCAR MLS, or bridgeMLS

Features

General

Living Area 3470
Sewer Public Sewer
Heating Forced Air
Cooling Central Air
Roof Other
Appliances Dishwasher,Refrigerator
Garage Spaces 2
Architectural Style Modern/High Tech
Pool Features Gas Heat
Construction Materials Stucco
Year Built 1949
Electric No Solar
Stories Count 2
Levels Two Story
Property Subtype Detached
County Contra Costa
New Construction false
Property Type Residential
HOA false
Subdivision Name Happy Valley
Garage Y/N true
Total Rooms 9
Full Baths 3
Status Active
Directions Happy Valley Rd, Right down private lane 3646
City Lafayette
MLS Area Listing
Lot Size Square Feet 13939
Property Condition Existing
Standard Status Active

Interior Features

Interior Amenities Den,Formal Dining Room,Office,Breakfast Bar,Updated Kitchen
Flooring Hardwood,Carpet
Total Fireplaces 1
Fireplace Features Family Room
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N true
Laundry Features Laundry Room
Total Bedrooms 4
Kitchen Features Breakfast Bar,Stone Counters,Dishwasher,Eat-in Kitchen,Refrigerator,Updated Kitchen
Total Baths 4
1/2 Baths 1

Exterior Features

Exterior Amenities Back Yard,Front Yard
Fencing Fenced
Parking Features Attached,Garage Door Opener
Lot Features Level,Premium Lot,Landscaped
Water Source Public
Lot Size Area 13939.2
Building Area Total 3470
Lot Size Acres 0.32
ADU Y/N false

Amenities

  • Foreclosure
  • Views
  • Short Sale
  • New Construction
  • Adult 55+
  • Lease To Own
  • No HOA Fees
  • Furnished
  • Primary On Main
  • Air Conditioning
  • Seller Finance
  • Green
  • Fixer Upper
  • Horse
  • Golf
  • Fireplace
  • Deck
  • Garage
  • Basement
  • Pool

Affordability Calculator

$3,786

Per Month

Based on the average sale price from the Newark, CA office

  • Monthly Principal & interest $2,658
  • Monthly Property Taxes $1,062
  • Monthly Home Insurance $67
Adjust Payment Options
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Let's determine your purchasing power. Working with my mortgage partner, you'll have the information you need to shop for a home with confidence.

Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA, or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

Schools

Elementary School Unknown Elementary School
Middle School
High School Unknown High School

Price History

9/18/2026 Listed $2,995,000

Property vs Zip Code Average in 94549

Price
AVG $2.65M
$3M
Year Built
AVG 1974
1949

Areas That We Cover

3646 Happy Valley Rd Lafayette, CA is a Single Family Home for sale at $2995000 with 3470 sqft and a lot size of 0.32 Acres Acre(s). 3646 Happy Valley Rd Lafayette has 4 bedrooms, 3 baths and was built in 1949. The property's zip code is 94549 which is in Lafayette, CA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

All information deemed reliable, but not guaranteed, and should be independently verified. The real estate information and related content displayed on this site is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.