OFF MARKET

Off Market Aug 2010 for $2.2M

$3,907,703

Est. refi paymentEst. refi $14,281/mo

•

3,658

sq ft

3668 Happy Valley Rd, Lafayette, CA 94549

About this home

Single-familyProperty Type

1964Year Built

0.77 acresLot Size

$1,068Est. Price/Sq.Ft.

2 car garageParking

Listed by Susan Zeh Layng •DRE #00970956 • Village Associates Real Estate

Bought with Patricia Battersby •DRE #854469 • Village Associates Real Estate

Redfin checked: a minute ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40460732

Redfin Estimate

$3,907,703

$1.6M since sold in August 2010$58K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 39.8% higher than the average sale price ($2.79M) of 6 comparable homes.

SOLD APR 7, 2026
$1,902,130
A
4 beds2 baths2,407 sq ft
3927 Woodside Ct, Lafayette, CA 94549
SOLD JUN 2, 2026
$3,950,000
B
4 beds3 baths3,311 sq ft
3853 Palo Alto Dr, Lafayette, CA 94549
SOLD JUN 17, 2026
$2,365,000
C
4 beds3 baths2,531 sq ft
1119 Oak Hill Rd, Lafayette, CA 94549
SOLD MAY 15, 2026
$2,450,000
D
4 beds2 baths2,686 sq ft
3958 Los Arabis Dr, Lafayette, CA 94549
SOLD MAY 15, 2026
$3,300,000
E
4 beds4 baths3,530 sq ft
1122 Via Media, Lafayette, CA 94549
SOLD JUL 27, 2026
$2,800,000
F
5 beds3.5 baths3,169 sq ft
1038 Pine Ln, Lafayette, CA 94549

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Earn from this home

Sell

$2,586,549

Est. take-home

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Est. cash available

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Rent

$8,642/mo

Redfin rental estimate

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Market trends in 94549, CA

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.9%

0.2% MoM

Median sale price

$2.0M

$452 MoM

Avg. days on market

18d

0 days MoM

Recently sold homes

15 MoM

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3647 Happy Valley Rd, Lafayette, CA 94549
OPEN TODAY, 2PM TO 4PM
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See all

Provided by Redfin

Sale history for 3668 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$33,914 (+1.7%)

$1,633,495 + $1,357,107

$2,990,602

2024

$33,343 (+1.7%)

$1,601,466 + $1,330,498

$2,931,964

2023

$32,782 (+1.5%)

$1,570,065 + $1,304,410

$2,874,475

2022

$32,284 (+6.1%)

$1,539,280 + $1,278,834

$2,818,114

2021

$30,440 (−1.4%)

$1,509,099 + $1,253,759

$2,762,858

2020

$30,877 (+1.8%)

$1,430,000 + $1,195,000

$2,625,000

2019

$30,328 (+5.4%)

$1,432,434 + $1,190,066

$2,622,500

2018

$28,765 (+1.8%)

$1,406,489 + $1,168,511

$2,575,000

2017

$28,256 (+1.9%)

$1,327,289 + $1,102,711

$2,430,000

2016

$27,730 (+4.6%)

$1,327,289 + $1,102,711

$2,430,000

2015

$26,498 (+13.9%)

$1,299,705 + $1,079,795

$2,379,500

2014

$23,266 (+0.7%)

$1,082,041 + $898,959

$1,981,000

2013

$23,115 (+1.2%)

$1,082,041 + $898,959

$1,981,000

2012

$22,852 (−13.2%)

$1,082,041 + $898,959

$1,981,000

2011

$26,332 (+145.9%)

$1,082,041 + $898,959

$1,981,000

2010

$10,710 (+0.7%)

$1,250,000 + $1,038,500

$2,288,500

2009

$10,638 (+1.7%)

$276,458 + $602,921

$879,379

2008

$10,457

$277,115 + $604,354

$881,469

Tax history for 3668 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$33,914 (+1.7%)

$1,633,495 + $1,357,107

$2,990,602

2024

$33,343 (+1.7%)

$1,601,466 + $1,330,498

$2,931,964

2023

$32,782 (+1.5%)

$1,570,065 + $1,304,410

$2,874,475

2022

$32,284 (+6.1%)

$1,539,280 + $1,278,834

$2,818,114

2021

$30,440 (−1.4%)

$1,509,099 + $1,253,759

$2,762,858

2020

$30,877 (+1.8%)

$1,430,000 + $1,195,000

$2,625,000

2019

$30,328 (+5.4%)

$1,432,434 + $1,190,066

$2,622,500

2018

$28,765 (+1.8%)

$1,406,489 + $1,168,511

$2,575,000

2017

$28,256 (+1.9%)

$1,327,289 + $1,102,711

$2,430,000

2016

$27,730 (+4.6%)

$1,327,289 + $1,102,711

$2,430,000

2015

$26,498 (+13.9%)

$1,299,705 + $1,079,795

$2,379,500

2014

$23,266 (+0.7%)

$1,082,041 + $898,959

$1,981,000

2013

$23,115 (+1.2%)

$1,082,041 + $898,959

$1,981,000

2012

$22,852 (−13.2%)

$1,082,041 + $898,959

$1,981,000

2011

$26,332 (+145.9%)

$1,082,041 + $898,959

$1,981,000

2010

$10,710 (+0.7%)

$1,250,000 + $1,038,500

$2,288,500

2009

$10,638 (+1.7%)

$276,458 + $602,921

$879,379

2008

$10,457

$277,115 + $604,354

$881,469

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Public record
Permits

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

0.77 Acres

Year renovated

1985

Sq. Ft.

2,744

Year built

1964

Style

Single Family Residential

County

Contra Costa County

APN

2441600125

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2026.

Jun 3, 2022 • Final

Building/residential/p/pool

Resurface an existing pool and spa. Remove and replace the surface, tile, and mastic. Split the main drain according to code requirements.

Pool and hot tub

Dec 7, 2021 • Final

Permit submittal

Resurface an existing pool and spa. Remove and replace the surface, tile, and mastic. Split the main drain according to code requirements.

Pool and hot tub

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: Detached, Guest, Garage Door Opener

Interior

Virtual Tour

Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 2
# of Bathrooms Partial: 1
Other Bathrooms Included Features: Shower Over Tub, Tile
Primary Bathroom Included Features: Split Bath, Tile, Tub with Jets

Interior Features
Interior Features: Bonus/Plus Room, Family Room, Formal Dining Room, Office, Breakfast Bar, Tile Counters, Eat-in Kitchen, Pantry, Sound System
Appliances: Dishwasher, Double Oven, Disposal, Gas Range, Oven, Refrigerator, Self Cleaning Oven, Gas Water Heater
Laundry Features: Laundry Room
Street Level Features: 4 Bedrooms, 2.5 Baths
Fireplaces Total: 2
Has Fireplace
Flooring: Hardwood, Linoleum, Tile, Vinyl, Carpet

Room Information
Kitchen Features: 220 Volt Outlet,Breakfast Bar,Counter - Tile,Dishwasher,Double Oven,Eat In Kitchen,Garbage Disposal,Gas Range/Cooktop,Oven Built-in,Pantry,Refrigerator,Self-Cleaning Oven
Rooms Total: 9
Fireplace Features: Family Room, Living Room, Raised Hearth, Stone
Basement: Crawl Space

Exterior

Building Information
Construction Materials: Brick, Wood Siding
Building Area Total: 3,658
Builder Name: Marchant

Exterior Features
Patio And Porch Features: Patio
Exterior Features: Back Yard, Front Yard, Garden/Play, Side Yard, Sprinklers Automatic, Sprinklers Back, Sprinklers Front, Sprinklers Side
Fencing: Fenced
Roof: Shake

Pool Information
Pool Features: Gas Heat, Gunite
Has Private Pool

Property Information
Living Area: 3658
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1964

Lot Information
Other Structures: Guest House
Lot Size Square Feet: 33440
Lot Size Area: 0.76
Lot Size Units: Acres
Lot Size Acres: 0.76
Lot Features: Level

Utilities

Utility Information
Water Source: Public
Electric: 220 Volts in Kitchen
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Zoned
Cooling: Whole House Fan

Location

School Information
High School District: Acalanes (925) 280-3900

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 2,744
Stories: 1.0
Lot Size: 0.77 acres
Style: Single Family Residential
Year Built: 1964
Year Renovated: 1985
County: Contra Costa County
APN: 2441600125

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Happy Valley Elementary School

Public K-5 • Assigned • 0.9mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 1.1mi

8/10

Acalanes High School

Public 9-12 • Assigned • 1.8mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

4/10 Fire Factor

0.93% 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

In this area, properties receive around 11.5 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

11.5 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$3.71M – $4.49M

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Home values near 3668 Happy Valley Rd

Data from public records.

Address	Redfin Estimate
3671 Happy Valley Rd, Lafayette, CA 5 Beds \| 4 Baths \| 3560 Sq. Ft.	$3,307,668
3667 Happy Valley Rd, Lafayette, CA 4 Beds \| 4 Baths \| 2515 Sq. Ft.	$2,702,110

Address	Redfin Estimate
3682 Happy Valley Rd, Lafayette, CA 4 Beds \| 3.5 Baths \| 3317 Sq. Ft.	$3,696,257
3675 Happy Valley Rd, Lafayette, CA 4 Beds \| 5 Baths \| 4139 Sq. Ft.	$4,807,051

Address	Redfin Estimate
3670 Happy Valley Rd, Lafayette, CA 3 Beds \| 3 Baths \| 2713 Sq. Ft.	$3,435,372
3653 Happy Valley Rd, Lafayette, CA 4 Beds \| 4 Baths \| 2984 Sq. Ft.	$2,990,713

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2010. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 94549, CA

Sale history for 3668 Happy Valley Rd

Tax history for 3668 Happy Valley Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94549

Home values near 3668 Happy Valley Rd

More real estate resources