---
listing_id: CC41148759
status: Active
price: 2995000
beds: 4
baths_full: 3
baths_half: 1
sqft_living: 3470
sqft_lot: 13939
lot_acres: 0.32
year_built: 1949
property_type: Residential
property_subtype: Single Family Residence
address: "3646 Happy Valley Rd"
city: Lafayette
state: CA
zip: 94549
county: "Contra Costa County"
lat: 37.8955712
lng: -122.1266276
days_on_market: 0
hoa_fee: 
hoa_frequency: 
garage_spaces: 2
list_agent: "Julie Dudum Del Santo"
list_office: "Dudum Real Estate Group"
list_agent_phone: "(925) 818-5500"
list_agent_license: 01290985
mls_source: MAXEBRDI
modified: 2026-09-18
transaction_type: buy
---

Home | Contra Costa County | Lafayette | 94549 | 3646 Happy Valley Rd

3646 Happy Valley Rd, Lafayette, CA 94549

MLS: CC41148759 | Status: Active | Price: $2,995,000
Beds/Baths: 4 / 3 /1
Property Type: Residential

Quick Facts

Beds Baths Sq Ft Acres Lot Yr Built
4 3 /1 3,470 0.32 1949

Remarks

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 dinin

MLS Listing Information

Field Value
MLS # CC41148759
MLS Source Contra Costa Association of Realtors
Days on Site 0

Features

Interior Features

Feature Details
Bathrooms Primary - Shower(s) over Tub(s), Primary - Tile, Primary - Tub, Primary - Updated Bath(s), Updated Bath(s)
Kitchen Breakfast Bar, Countertop - Stone, Eat In Kitchen, Updated
Appliances Dishwasher, Refrigerator
Dining Room Formal Dining Room
Fireplace Family Room
Flooring Carpet - Wall to Wall, Hardwood
Laundry In Laundry Room
Cooling Central -1 Zone
Heating Forced Air

Exterior Features

Feature Details
Roof Other
Pool Heated - Gas

Parking, School, and Other Information

Feature Details
Garage/Parking Attached Garage, Garage, Gate/Door Opener, Garage: 2 Car(s)

Contact Information

Julie Dudum Del Santo
Dudum Real Estate Group
License #: 01290985
Phone: (925) 818-5500

School Ratings

School data provided by GreatSchools.org

Nearby Schools

School Type Grades Distance Rating
Lafayette Elementary School public K-5 0.69 mi 9
M. H. Stanley Middle School public 6-8 0.93 mi 8
Happy Valley Elementary School public K-5 1.06 mi 8
Springhill Elementary School public K-5 1.59 mi 7
Acalanes High School public 9-12 1.72 mi 10
Campolindo High School public 9-12 1.98 mi 10
Glorietta Elementary School public K-5 2.57 mi 10
Donald L. Rheem Elementary School public K-5 2.62 mi 8
Burton Valley Elementary School public K-5 2.95 mi 9
Acalanes Center For Independent Study public 9-12 3.04 mi 5
Acalanes Adult Education Center public UG 3.23 mi N/A
Parkmead Elementary School public K-5 3.24 mi 8
Orinda Intermediate School public 6-8 3.26 mi 10
Buena Vista Elementary School public K-5 3.34 mi 9
Tice Creek School public K-8 3.35 mi 9
Los Perales Elementary School public K-5 3.44 mi 9
Pleasant Hill Elementary School public K-5 3.49 mi 6
Del Rey Elementary School public K-5 3.74 mi 9
Las Lomas High School public 9-12 3.86 mi 10
Miramonte High School public 9-12 3.88 mi 10

Nearby Homes

Address Price Beds Baths Sq Ft Status
1332 Reliez Valley Road $2,998,000 5 4 3,450 PendingDoNotShow
20 Northridge Ln $2,599,000 5 3/1 4,075 Active
6 Tanglewood Lane $2,995,000 5 5 4,605 Active
11 Redwood Cir $2,995,000 4 3 3,707 Active

Disclosures

©2026 Contra Costa Association of Realtors. All rights reserved. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Information provided is for personal, non-commercial use by the viewer and may not be redistributed without explicit authorization from Contra Costa Association of Realtors.

Presently MLSListings.com displays Active, Contingent, Pending, and Recently Sold listings. Recently Sold listings are properties which were sold within the last three years. After that period listings are no longer displayed in MLSListings.com. Pending listings are properties under contract and no longer available for sale. Contingent listings are properties where there is an accepted offer, and seller may be seeking back-up offers. Active listings are available for sale.

This listing information is up-to-date as of September 18, 2026. For the most current information, please contact Julie Dudum Del Santo, (925) 818-5500.