Google street view image for 4008 Happy Valley Rd, Lafayette, CA 94549

Off market nov 2019 for $3.1M

$3,992,713

Est. refi paymentEst. refi $21,406/mo

•

4 ba

•

3,915

sq ft

4008 Happy Valley Rd, Lafayette, CA 94549

About this home

4008 Happy Valley Rd is a 3,915 square foot house on a 1.12 acre lot with 4 bedrooms and 4 bathrooms. - it last sold on November 08, 2019 for $3,175,000. Based on Redfin's Lafayette data, we estimate the home's value is $3,992,713.

Single-familyProperty Type

1951Year Built

1.12 acresLot Size

$1,020Est. Price/Sq.Ft.

2 car garageParking

Source:Public Records

Redfin Estimate

$3,992,713

$818K since sold in November 2019$65K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 6.9% higher than the average sale price ($3.74M) of 6 comparable homes.

SOLD SEP 9, 2026
$3,550,000
A
5 beds3.5 baths3,890 sq ft
3907 Happy Valley 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 AUG 26, 2026
$4,800,000
C
4 beds3.5 baths4,033 sq ft
3954 S Peardale Dr, Lafayette, CA 94549
SOLD OCT 27, 2026
$2,115,000
D
5 beds3 baths4,579 sq ft
128 Diablo View Dr, Orinda, CA 94563
SOLD JUN 4, 2026
$3,450,000
E
6 beds4.5 baths4,354 sq ft
3 Honey Hill Ct, Orinda, CA 94563
SOLD NOV 14, 2025
$4,250,000
F
4 beds4.5 baths4,502 sq ft
1133 Estates Dr, Lafayette, CA 94549

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Earn from this home

Sell

$1,602,096

Est. take-home

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Refinance

Est. cash available

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Rent

$9,453/mo

Redfin rental estimate

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Market trends in 94549, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

102.4%

+1.0% MoM

Median sale price

$1.8M

$948 MoM

Avg. days on market

17d

0 days MoM

Recently sold homes

1 MoM

New listings for sale

COMING SOON
1003 Woodbury Rd #104, Lafayette, CA 94549
$1,092,000
2 beds2 baths1,110 sq ft
1003 Woodbury Rd #104, Lafayette, CA 94549
COMING SOON
$1,299,000
3 beds2 baths1,651 sq ft
490 Florence Dr, Lafayette, CA 94549
OPEN TODAY, 1PM TO 4PM
$1,495,000
3 beds2 baths1,670 sq ft
3241 Judith Ln, Lafayette, CA 94549
3D WALKTHROUGH
$2,895,000
4 beds4.5 baths4,225 sq ft
3370 Stage Coach Dr, Lafayette, CA 94549
OPEN TODAY, 1PM TO 4PM
$2,975,000
4 beds3 baths2,619 sq ft
4022 Happy Valley Rd, Lafayette, CA 94549
3D WALKTHROUGH
$999,000
3 beds3 baths2,443 sq ft
1175 Oleander Dr, Lafayette, CA 94549
OPEN TODAY, 2PM TO 4PM
$2,695,000
5 beds3 baths2,484 sq ft
3208 Camino Colorados, Lafayette, CA 94549
See all

Provided by Redfin

Sale history for 4008 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2026

$40,845 (+2.5%)

$2,426,251 + $1,115,517

$3,541,768

2025

$39,855 (+1.7%)

$2,426,251 + $1,115,517

$3,541,768

2024

$39,186 (+1.7%)

$2,378,678 + $1,093,645

$3,472,323

2023

$38,533 (+1.5%)

$2,332,038 + $1,072,201

$3,404,239

2022

$37,950 (+3.0%)

$2,286,312 + $1,051,178

$3,337,490

2021

$36,853 (−0.6%)

$2,241,483 + $1,030,567

$3,272,050

2020

$37,077 (+98.1%)

$2,197,533 + $1,010,360

$3,207,893

2019

$18,714 (+37.7%)

$2,175,000 + $1,000,000

$3,175,000

2018

$13,589 (+1.7%)

$1,224,000 + $306,000

$1,530,000

2017

$13,358 (+1.9%)

$731,020 + $341,669

$1,072,689

2016

$13,105 (+2.8%)

$731,020 + $341,669

$1,072,689

2015

$12,751 (+0.9%)

$716,687 + $334,970

$1,051,657

2014

$12,635 (+1.2%)

$692,094 + $323,476

$1,015,570

2013

$12,485 (+3.1%)

$692,094 + $323,476

$1,015,570

2012

$12,111 (+1.5%)

$688,967 + $322,015

$1,010,982

2011

$11,927 (+2.4%)

$675,458 + $315,701

$991,159

2010

$11,647 (+0.6%)

$662,214 + $309,511

$971,725

2009

$11,580 (+1.7%)

$657,265 + $307,198

$964,463

2008

$11,383

$658,827 + $307,928

$966,755

Tax history for 4008 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2026

$40,845 (+2.5%)

$2,426,251 + $1,115,517

$3,541,768

2025

$39,855 (+1.7%)

$2,426,251 + $1,115,517

$3,541,768

2024

$39,186 (+1.7%)

$2,378,678 + $1,093,645

$3,472,323

2023

$38,533 (+1.5%)

$2,332,038 + $1,072,201

$3,404,239

2022

$37,950 (+3.0%)

$2,286,312 + $1,051,178

$3,337,490

2021

$36,853 (−0.6%)

$2,241,483 + $1,030,567

$3,272,050

2020

$37,077 (+98.1%)

$2,197,533 + $1,010,360

$3,207,893

2019

$18,714 (+37.7%)

$2,175,000 + $1,000,000

$3,175,000

2018

$13,589 (+1.7%)

$1,224,000 + $306,000

$1,530,000

2017

$13,358 (+1.9%)

$731,020 + $341,669

$1,072,689

2016

$13,105 (+2.8%)

$731,020 + $341,669

$1,072,689

2015

$12,751 (+0.9%)

$716,687 + $334,970

$1,051,657

2014

$12,635 (+1.2%)

$692,094 + $323,476

$1,015,570

2013

$12,485 (+3.1%)

$692,094 + $323,476

$1,015,570

2012

$12,111 (+1.5%)

$688,967 + $322,015

$1,010,982

2011

$11,927 (+2.4%)

$675,458 + $315,701

$991,159

2010

$11,647 (+0.6%)

$662,214 + $309,511

$971,725

2009

$11,580 (+1.7%)

$657,265 + $307,198

$964,463

2008

$11,383

$658,827 + $307,928

$966,755

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

Permits

Mar 18, 2021 • Final

Building/residential/mir/miscellaneous residential

Install a backup generator with a sound-deadening enclosure.

Generator

Mar 19, 2020 • Final

Building/grading/gl/grading lafayette

Fill in an existing pool and remove pervious pavers to replace with grass.

Demolition

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: 16

Exterior

Pool Information
Has Pool

Property Information
Subdivision Name: ACALANES RHO
Living Sq. Ft: 3,915
Ground Floor Sq. Ft: 3,915
Building Sq. Ft: 3,915
# of Stories: 1
Legal Description: RO ACALANES 1.12 AC

Parking & Garage Information
Garage/Parking Sq. Ft: 523

Lot Information
# of Buildings: 1
Land Sq. Ft: 48,787
Acres: 1.12
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 4
Baths: 4.0
Sq. Ft.: 3,915
Stories: 1.0
Lot Size: 1.12 acres
Style: Single Family Residential
Year Built: 1951
Year Renovated: 2010
County: Contra Costa County
APN: 2460300029

Home facts updated by county records on Oct 30, 2026

Around this home

Schools

K - 12
Preschool & daycare

Happy Valley Elementary School

Public K-5 • Assigned • 0.6mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 2.5mi

8/10

Acalanes High School

Public 9-12 • Assigned • 3.1mi

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

1% chance of being in a wildfire in next 30 years

3/10 Heat Factor

7 days above 92° 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

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

Provided by First Street

Historical weather

Lafayette, CA • 94549

Average low and high temperatures (°F)

60°

43°

62°

46°

70°

50°

68°

49°

75°

52°

78°

54°

81°

56°

87°

58°

81°

60°

72°

54°

63°

48°

57°

45°

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

$3.79M – $4.59M

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Home values near 4008 Happy Valley Rd

Data from public records.

Address	Redfin Estimate
4032 Happy Valley Road, Lafayette, CA 5 Beds \| 5 Baths \| 4799 Sq. Ft.	$4,479,742
4036 Happy Valley Road, Lafayette, CA 4 Beds \| 3 Baths \| 3461 Sq. Ft.	$3,636,688
4041 Happy Valley Road, Lafayette, CA 4 Beds \| 2 Baths \| 2358 Sq. Ft.	$3,604,092
4037 Happy Valley Road, Lafayette, CA 4 Beds \| 7 Baths \| 11188 Sq. Ft.	$5,383,433
4045 Happy Valley Road, Lafayette, CA 6 Beds \| 7 Baths \| 7010 Sq. Ft.	—
4022 Happy Valley Road, Lafayette, CA 4 Beds \| 3 Baths \| 2619 Sq. Ft.	$3,210,793
2 Valley High, Lafayette, CA 5 Beds \| 4.5 Baths \| 4829 Sq. Ft.	$3,670,303

Address	Redfin Estimate
4040 Happy Valley Road, Lafayette, CA 3 Beds \| 3 Baths \| 2607 Sq. Ft.	$2,349,138
3995 Happy Valley Road, Lafayette, CA 4 Beds \| 4 Baths \| 3389 Sq. Ft.	$2,893,079
4031 Happy Valley Road, Lafayette, CA 4 Beds \| 3 Baths \| 3176 Sq. Ft.	$3,794,102
3991 Happy Valley Road, Lafayette, CA 7 Beds \| 6 Baths \| 7403 Sq. Ft.	$6,927,488
4030 Happy Valley Road, Lafayette, CA 5 Beds \| 5 Baths \| 4128 Sq. Ft.	$3,357,121
3972 Happy Valley Road, Lafayette, CA 4 Beds \| 4.5 Baths \| 7651 Sq. Ft.	$10,529,786
4010 Canyon Road, Lafayette, CA 5 Beds \| 7 Baths \| 6225 Sq. Ft.	$5,240,304

Address	Redfin Estimate
4034 Happy Valley Road, Lafayette, CA 5 Beds \| 5 Baths \| 3909 Sq. Ft.	$5,021,673
4015 Happy Valley Road, Lafayette, CA 5 Beds \| 6 Baths \| 6011 Sq. Ft.	$4,882,816
3981 Happy Valley Road, Lafayette, CA 5 Beds \| 5 Baths \| 4734 Sq. Ft.	$3,541,756
3997 Happy Valley Road, Lafayette, CA 4 Beds \| 3 Baths \| 2465 Sq. Ft.	$2,520,833
4001 Happy Valley Road, Lafayette, CA 4 Beds \| 4 Baths \| 4498 Sq. Ft.	$5,103,487
1248 Upper Happy Valley Road, Lafayette, CA 5 Beds \| 4.5 Baths \| 4830 Sq. Ft.	$4,033,345
4026 Canyon Road, Lafayette, CA 5 Beds \| 5 Baths \| 5602 Sq. Ft.	$4,781,075

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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 4008 Happy Valley Rd

Tax history for 4008 Happy Valley Rd

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 4008 Happy Valley Rd

More real estate resources