SOLD OCT 7, 2026

Sold on oct 2026

$3,200,000

•

3,470

sq ft

3646 Happy Valley Rd, Lafayette, CA 94549

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About this home

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.

Single-familyProperty Type

1949Year Built

0.32 acresLot Size

$922Price/Sq.Ft.

2 car garageParking

Listed by Julie Dudum Del Santo •DRE #01290985 • Dudum Real Estate Group

Bought with Cheyenne Ward •DRE #01927689 • District Homes

Redfin checked: 2 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #41148759

Redfin Estimate

$2,924,428

$276K since sold in October 2026$577K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 13.6% lower than the average sale price ($3.38M) of 6 comparable homes.

SOLD SEP 24, 2026
$2,600,000
A
4 beds3 baths2,825 sq ft
1196 Monticello Rd, Lafayette, CA 94549
SOLD AUG 21, 2026
$4,250,000
B
4 beds3.5 baths3,399 sq ft
3814 Happy Valley Rd, Lafayette, CA 94549
SOLD JUN 12, 2026
$2,810,000
C
4 beds3.5 baths2,442 sq ft
1125 Glen Rd, Lafayette, CA 94549
SOLD AUG 26, 2026
$4,800,000
D
4 beds3.5 baths4,033 sq ft
3954 S Peardale Dr, Lafayette, CA 94549
SOLD OCT 5, 2026
$3,920,000
E
5 beds3 baths3,174 sq ft
848 Santa Maria Way, Lafayette, CA 94549
SOLD SEP 30, 2026
$1,930,000
F
4 beds2 baths2,919 sq ft
3 Mountain View Pl, Lafayette, CA 94549

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Market trends in 94549, CA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

101.4%

0.4% MoM

Median sale price

$1.8M

$151K MoM

Avg. days on market

17d

0 days MoM

Recently sold homes

9 MoM

New listings for sale

OPEN SUN, 2PM TO 4PM
$2,599,000
5 beds3.5 baths4,075 sq ft
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COMING SOON
$630,322
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80 Woodbury Highlands Pl #14, Lafayette, CA 94549
OPEN SAT, 1PM TO 3PM
$1,695,000
5 beds3.5 baths3,985 sq ft
34 Sunrise Ln, Lafayette, CA 94549
FOR SALE BY OWNER
$1,480,000
— beds— baths— sq ft
3894 El Nido Ranch Rd, Lafayette, CA 94549
OPEN SAT, 2PM TO 4PM
$4,250,000
5 beds5 baths3,940 sq ft
1143 Upper Happy Valley Rd, Lafayette, CA 94549
OPEN TODAY, 4PM TO 6PM
$2,240,000
5 beds4.5 baths4,418 sq ft
3252 Alta Ln, Lafayette, CA 94549
HOT HOME
$1,750,000
3 beds2 baths1,820 sq ft
1154 Robles Ct, Lafayette, CA 94549
$1,649,000
3 beds2 baths1,643 sq ft
1042 Sunnybrook Dr, Lafayette, CA 94549
$2,895,000
5 beds3 baths2,648 sq ft
1035 Upper Happy Valley Rd, Lafayette, CA 94549
OPEN SAT, 12PM TO 2PM
$2,995,000
4 beds4.5 baths4,225 sq ft
3370 Stage Coach Dr, Lafayette, CA 94549
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Rental estimate

Est. $9,020 per month, based on comparable rentals

Sale and tax history for 3646 Happy Valley Rd

Sale History
Tax History

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #41148759

Oct 7, 2026

Sold

$3,200,000

$922/sq ft

Sep 25, 2026

Pending

—

Sep 18, 2026

Listed

$2,995,000

$863/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #41137402

Jun 25, 2026

Listing Removed

—

bridgeMLS, Bay East AOR, or Contra Costa AOR #11145462

Sep 10, 2002

Sold

$950,000

$274/sq ft

Jul 29, 2002

Listing Removed

—

Jun 27, 2002

Listed

$999,900

$288/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #11139103

Jun 26, 2002

Listing Removed

—

Public Records

Jan 8, 1998

Sold

$680,000

$196/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #10245943

Jan 9, 1998

Listing Removed

—

Oct 19, 1997

Sold

$680,000

$196/sq ft

Oct 12, 1997

Listed

$689,000

$199/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #27245943

Jan 9, 1998

Sold

$680,000

$196/sq ft

Oct 19, 1997

Listing Removed

—

Oct 12, 1997

Listed

$689,000

$199/sq ft

Public Records

Jun 1, 1988

Sold

$299,000

$86/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$17,473 (+1.7%)

$812,507 + $635,224

$1,447,731

2024

$17,175 (+1.8%)

$796,576 + $622,769

$1,419,345

2023

$16,874 (+1.6%)

$780,957 + $610,558

$1,391,515

2022

$16,615 (+3.0%)

$765,645 + $598,587

$1,364,232

2021

$16,134 (+1.7%)

$750,633 + $586,850

$1,337,483

2020

$15,865 (+2.9%)

$735,915 + $575,344

$1,311,259

2019

$15,424 (+3.7%)

$728,370 + $541,732

$1,270,102

2018

$14,881 (+1.7%)

$714,089 + $531,110

$1,245,199

2017

$14,626 (+1.9%)

$686,361 + $510,488

$1,196,849

2016

$14,351 (+2.8%)

$686,361 + $510,488

$1,196,849

2015

$13,962 (+0.9%)

$672,903 + $500,479

$1,173,382

2014

$13,836 (+1.2%)

$649,813 + $483,306

$1,133,119

2013

$13,675 (+3.1%)

$649,813 + $483,306

$1,133,119

2012

$13,264 (+1.5%)

$646,877 + $481,122

$1,127,999

2011

$13,062 (+2.2%)

$634,194 + $471,689

$1,105,883

2010

$12,775 (+0.5%)

$621,759 + $462,441

$1,084,200

2009

$12,714 (+2.7%)

$617,113 + $458,985

$1,076,098

2008

$12,385

$618,580 + $460,076

$1,078,656

Public record

Public record
Permits

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

0.32 Acres

Year renovated

1972

Sq. Ft.

3,470

Year built

1949

Style

Single Family Residential

County

Contra Costa County

APN

2441800501

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 15, 2026.

Mar 12, 2021 • Final

Building/residential/al/alteration

Install a new metal patio cover at the back of the house and replace windows and doors. Install new exterior lighting on the building and landscape. The interior shearwall in the garage is omitted from the scope.

Electrical

Remodel

Nov 4, 2020 • Final

Building - residential re-roof

Tear off the existing roof and replace it with a new single-ply roof system on a flat roof.

Roofing

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Parking

Parking Information
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Attached, Garage Door Opener

Interior

Bathroom Information
# of Bathrooms Total: 4
# of Bathrooms Full: 3
# of Bathrooms Partial: 1
Other Bathrooms Included Features: Shower Over Tub, Updated Baths
Primary Bathroom Included Features: Stall Shower, Tile, Tub, Updated Baths

Interior Features
Interior Features: Den, Formal Dining Room, Office, Breakfast Bar, Updated Kitchen
Appliances: Dishwasher, Refrigerator
Laundry Features: Laundry Room
Upper Level Features: Primary Bedrm Suite - 1, Loft
Street Level Features: 3 Bedrooms, 2.5 Baths, Laundry Facility, Main Entry
Fireplaces Total: 1
Has Fireplace
Flooring: Hardwood, Carpet

Room Information
Kitchen Features: Breakfast Bar,Stone Counters,Dishwasher,Eat-in Kitchen,Refrigerator,Updated Kitchen
Rooms Total: 9
Room Type: Den, Formal Dining Room, Office, Kitchen, Laundry, Master Bathroom, Master Bedroom
Fireplace Features: Family Room

Exterior

Building Information
Construction Materials: Stucco
Building Area Total: 3,470

Exterior Features
Patio And Porch Features: Patio, Covered
Exterior Features: Back Yard, Front Yard
Fencing: Fenced

Pool Information
Pool Features: Gas Heat
Has Private Pool

Property Information
Living Area: 3470
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1949

Lot Information
Lot Size Square Feet: 13939
Lot Size Area: 0.32
Lot Size Units: Acres
Lot Size Acres: 0.32
Lot Features: Level, Premium Lot, Landscaped

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Forced Air
Cooling: Central Air

Public facts

Beds: 4
Baths: 4.0
Sq. Ft.: 3,470
Stories: 2.0
Lot Size: 0.32 acres
Style: Single Family Residential
Year Built: 1949
Year Renovated: 1972
County: Contra Costa County
APN: 2441800501

Home facts updated by county records on Oct 15, 2026

Around this home

Schools

Happy Valley Elementary School

Public K-5 • Assigned • 1.1mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 0.9mi

8/10

Acalanes High School

Public 9-12 • Assigned • 1.7mi

10/10

Provided by GreatSchools

Climate risks

7/10 Flood Factor

Estimated 74-82% chance of a flood reaching the building in the next 30 years

3/10 Fire Factor

0.77% chance of being in a wildfire in next 30 years

3/10 Heat Factor

7 days above 93° expected this year, 16 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

8/10 Air Factor

15 unhealthy days expected this year, 16 days in 30 years

Provided by First Street

Historical weather

Lafayette, CA • 94549

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

81/ 100

Very good sunlight

Sunscore

This home receives average direct sun exposure in Lafayette. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

9.8 hrs

5.5 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$2.78M – $3.36M

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Home values near 3646 Happy Valley Rd

Data from public records.

Address	Redfin Estimate
3648 Happy Valley Rd, Lafayette, CA 4 Beds \| 3.5 Baths \| 3689 Sq. Ft.	$3,462,734
3635 Happy Valley Ln, Lafayette, CA 3 Beds \| 2 Baths \| 1699 Sq. Ft.	$1,386,125

Address	Redfin Estimate
3644 Happy Valley Rd Apartment A, Lafayette, CA 4 Beds \| 3.5 Baths \| 3481 Sq. Ft.	$3,417,980
3629 Happy Valley Ln, Lafayette, CA 3 Beds \| 2 Baths \| 1645 Sq. Ft.	$1,792,650

Address	Redfin Estimate
3644 Happy Valley Rd Apartment B, Lafayette, CA 4 Beds \| 4 Baths \| 2720 Sq. Ft.	$2,070,629
3618 Happy Valley Ln, Lafayette, CA 3 Beds \| 3 Baths \| 1784 Sq. Ft.	$1,414,876

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2026. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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3646 Happy Valley Rd, Lafayette, CA 94549

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About this home

Redfin Estimate

Market trends in 94549, CA

Homeowner tools

Sale and tax history for 3646 Happy Valley Rd

Public record

Property details

Parking

Interior

Exterior

Utilities

Public facts

Around this home

Schools

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94549

Home values near 3646 Happy Valley Rd

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