Google street view image for 3960 Happy Valley Rd, Lafayette, CA 94549

OFF MARKET

$3,165,586

•

4 ba

•

4,403

sq ft

3960 Happy Valley Rd, Lafayette, CA 94549

About this home

3960 Happy Valley Rd is a 4,403 square foot house on a 5.83 acre lot with 3 bedrooms and 4 bathrooms. Based on Redfin's Lafayette data, we estimate the home's value is $3,165,586.

Single-familyProperty Type

1980Year Built

5.83 acresLot Size

$719Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$3,165,586

$68K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11% lower than the average sale price ($3.56M) of 6 comparable homes.

SOLD MAR 5, 2026
$2,575,000
A
4 beds4 baths4,180 sq ft
4500 Canyon Rd, Lafayette, CA 94549
SOLD JUN 25, 2026
$3,475,000
B
5 beds4.5 baths3,900 sq ft
1059 Lizann Dr, Lafayette, CA 94549
SOLD AUG 21, 2026
$4,250,000
C
4 beds3.5 baths3,399 sq ft
3814 Happy Valley Rd, Lafayette, CA 94549
SOLD MAY 13, 2026
$3,550,000
D
5 beds4.5 baths5,020 sq ft
1006 Howard Hills Rd, Lafayette, CA 94549
SOLD AUG 26, 2026
$4,800,000
E
4 beds3.5 baths4,033 sq ft
3954 S Peardale Dr, Lafayette, CA 94549
SOLD DEC 29, 2025
$2,700,000
F
4 beds4 baths4,150 sq ft
3938 Los Arabis Dr, Lafayette, CA 94549

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Earn from this home

Sell

$2,998,393

Est. take-home

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Rent

$9,844/mo

Redfin rental estimate

List your home for rent

Market trends in 94549, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.8%

0.2% MoM

Median sale price

$2.0M

$26K MoM

Avg. days on market

17d

2 days MoM

Recently sold homes

103

4 MoM

New listings for sale

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NEW 8 HRS AGO
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OPEN SAT, 2PM TO 4PM
$1,495,000
3 beds2 baths1,820 sq ft
37 Chapel Dr, Lafayette, CA 94549
OPEN SAT, 1PM TO 4PM
$2,599,000
5 beds3.5 baths4,075 sq ft
20 Northridge Ln, Lafayette, CA 94549
NEW 25 HRS AGO
$12,000,000
5 beds5.5 baths6,924 sq ft
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NEW 28 HRS AGO
3213 Stanley Blvd, Lafayette, CA 94549
$989,000
2 beds1 bath888 sq ft
3213 Stanley Blvd, Lafayette, CA 94549
Tom Linthicum RE Company
COMING SOON
$2,799,000
5 beds3.5 baths3,500 sq ft
809 Mountain View Dr, Lafayette, CA 94549
OPEN SAT, 12PM TO 2PM
$1,695,000
6 beds2 baths1,890 sq ft
946 Hough Ave, Lafayette, CA 94549
(415) 660-9955
OPEN SAT, 1PM TO 4PM
$2,998,000
5 beds4 baths3,450 sq ft
1332 Reliez Valley Rd, Lafayette, CA 94549
See all

Provided by Redfin

Sale history for 3960 Happy Valley Rd

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2025

$17,668 (+1.7%)

$530,826 + $932,911

$1,463,737

2024

$17,367 (+1.8%)

$520,418 + $914,619

$1,435,037

2023

$17,063 (+1.6%)

$510,214 + $896,686

$1,406,900

2022

$16,801 (+3.0%)

$500,210 + $879,104

$1,379,314

2021

$16,316 (−0.2%)

$490,402 + $861,867

$1,352,269

2020

$16,355 (+2.8%)

$480,787 + $844,968

$1,325,755

2019

$15,910 (+3.6%)

$475,858 + $836,304

$1,312,162

2018

$15,351 (+1.7%)

$466,528 + $819,906

$1,286,434

2017

$15,088 (+1.9%)

$448,413 + $788,069

$1,236,482

2016

$14,806 (+2.8%)

$448,413 + $788,069

$1,236,482

2015

$14,405 (+0.9%)

$439,621 + $772,617

$1,212,238

2014

$14,277 (+1.2%)

$424,536 + $746,105

$1,170,641

2013

$14,112 (+3.1%)

$424,536 + $746,105

$1,170,641

2012

$13,689 (+1.5%)

$422,618 + $742,733

$1,165,351

2011

$13,482 (+2.2%)

$414,332 + $728,170

$1,142,502

2010

$13,192 (+35.6%)

$406,208 + $713,893

$1,120,101

2009

$9,729 (−24.1%)

$403,173 + $708,558

$1,111,731

2008

$12,812

$95,947 + $710,242

$806,189

Tax history for 3960 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$17,668 (+1.7%)

$530,826 + $932,911

$1,463,737

2024

$17,367 (+1.8%)

$520,418 + $914,619

$1,435,037

2023

$17,063 (+1.6%)

$510,214 + $896,686

$1,406,900

2022

$16,801 (+3.0%)

$500,210 + $879,104

$1,379,314

2021

$16,316 (−0.2%)

$490,402 + $861,867

$1,352,269

2020

$16,355 (+2.8%)

$480,787 + $844,968

$1,325,755

2019

$15,910 (+3.6%)

$475,858 + $836,304

$1,312,162

2018

$15,351 (+1.7%)

$466,528 + $819,906

$1,286,434

2017

$15,088 (+1.9%)

$448,413 + $788,069

$1,236,482

2016

$14,806 (+2.8%)

$448,413 + $788,069

$1,236,482

2015

$14,405 (+0.9%)

$439,621 + $772,617

$1,212,238

2014

$14,277 (+1.2%)

$424,536 + $746,105

$1,170,641

2013

$14,112 (+3.1%)

$424,536 + $746,105

$1,170,641

2012

$13,689 (+1.5%)

$422,618 + $742,733

$1,165,351

2011

$13,482 (+2.2%)

$414,332 + $728,170

$1,142,502

2010

$13,192 (+35.6%)

$406,208 + $713,893

$1,120,101

2009

$9,729 (−24.1%)

$403,173 + $708,558

$1,111,731

2008

$12,812

$95,947 + $710,242

$806,189

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

Zoning and permits

Zoning
Permits

LR-5

Low-Density Residential District-5

The purposes of the low-density residential L-R-5 district include the following: Provide for areas of low-density residential uses consistent with the general plan and with the city’s primary objective of preservation and enhancement of its semi-rural residential character; Promote the health, safety and welfare of the community by protecting the land in the L-R-5 district from uses that would disturb the natural environment and increase geologic, pedologic, seismic, hydrologic or other inherent hazards; Preserve and maintain the scenic, recreational, biotic, historic and other resources of land in the L-R-5 district.

Permitted uses

Include but are not limited to:

Livestock production
Housing-Single unit

Dec 13, 2021 • Final

Building - residential re-roof

Tear off the existing wood shake roof. Install new plywood decking, underlayment, and shingles on a residential building.

Roofing

Feb 13, 2017 • Final

Building - residential mechanical

Replace three heating and air conditioning systems and associated ducting on a residential building.

HVAC

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

Interior

Room Information
# of Rooms: 12

Exterior

Pool Information
Has Pool

Property Information
Living Sq. Ft: 4,403
Ground Floor Sq. Ft: 2,862
Building Sq. Ft: 4,403
# of Stories: 2
Legal Description: POR RO ACALANES & POR RO CANADA DE PINOLE

Parking & Garage Information
Garage/Parking Sq. Ft: 800

Lot Information
# of Buildings: 1
Land Sq. Ft: 253,955
Acres: 5.83
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 4.0
Sq. Ft.: 4,403
Stories: 2.0
Lot Size: 5.83 acres
Style: Single Family Residential
Year Built: 1980
Year Renovated: 1982
County: Contra Costa County
APN: 2460400050

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Happy Valley Elementary School

Public K-5 • Assigned • 0.5mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 2.5mi

8/10

Acalanes High School

Public 9-12 • Assigned • 2.9mi

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

2% chance of being in a wildfire in next 30 years

2/10 Heat Factor

7 days above 92° expected this year, 15 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

$3.01M – $3.64M

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NEW 25 HRS AGO

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NEW 28 HRS AGO

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Tom Linthicum RE Company

COMING SOON

$2,799,000

5 beds3.5 baths3,500 sq ft

809 Mountain View Dr, Lafayette, CA 94549

OPEN SAT, 12PM TO 2PM

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6 beds2 baths1,890 sq ft

946 Hough Ave, Lafayette, CA 94549

(415) 660-9955

Home values near 3960 Happy Valley Rd

Data from public records.

Address	Redfin Estimate
4032 Happy Valley Rd, Lafayette, CA 5 Beds \| 5 Baths \| 4799 Sq. Ft.	$4,734,837
4036 Happy Valley Rd, Lafayette, CA 4 Beds \| 3 Baths \| 3461 Sq. Ft.	$3,793,096

Address	Redfin Estimate
3938 Happy Valley Rd, Lafayette, CA 5 Beds \| 5.5 Baths \| - Sq. Ft.	$4,358,499
3936 Happy Valley Rd, Lafayette, CA 5 Beds \| 5.5 Baths \| 4937 Sq. Ft.	$6,348,311

Address	Redfin Estimate
4034 Happy Valley Rd, Lafayette, CA 5 Beds \| 5 Baths \| 3909 Sq. Ft.	$4,905,163
3965 Happy Valley Rd, Lafayette, CA 5 Beds \| 4 Baths \| 3726 Sq. Ft.	$4,280,299

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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 3960 Happy Valley Rd

Tax history for 3960 Happy Valley Rd

Zoning and permits

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 3960 Happy Valley Rd

More real estate resources