Google satellite image for 4059 Happy Valley Rd, Lafayette, CA 94549

Off market mar 1971 for $126K

$3,979,106

Est. refi paymentEst. refi $856/mo

•

4 ba

•

3,594

sq ft

4059 Happy Valley Rd, Lafayette, CA 94549

About this home

4059 Happy Valley Rd is a 3,594 square foot house on a 1.26 acre lot with 4 bedrooms and 4 bathrooms. - it last sold on March 25, 1971 for $126,500. Based on Redfin's Lafayette data, we estimate the home's value is $3,979,106.

Single-familyProperty Type

1956Year Built

1.26 acresLot Size

$1,107Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$3,979,106

$3.9M since sold in March 1971$72K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 13.8% higher than the average sale price ($3.50M) of 5 comparable homes.

SOLD AUG 24, 2026
$3,800,000
A
4 beds3 baths3,125 sq ft
18 Sycamore Rd, Orinda, CA 94563
SOLD AUG 21, 2026
$4,250,000
B
4 beds3.5 baths3,399 sq ft
3814 Happy Valley Rd, Lafayette, CA 94549
SOLD OCT 15, 2026
$3,375,000
C
3 beds3 baths2,686 sq ft
1232 Upper Happy Vly, Lafayette, CA 94549
SOLD JUN 2, 2026
$3,950,000
D
4 beds3 baths3,311 sq ft
3853 Palo Alto Dr, Lafayette, CA 94549
SOLD OCT 27, 2026
$2,115,000
E
5 beds3 baths4,579 sq ft
128 Diablo View Dr, Orinda, CA 94563

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Earn from this home

Sell

$3,769,203

Est. take-home

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Est. cash available

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Rent

$9,006/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

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$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
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See all

Provided by Redfin

Sale history for 4059 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2026

$35,790 (+2.6%)

$2,369,949 + $705,251

$3,075,200

2025

$34,890 (+1.7%)

$2,369,949 + $705,251

$3,075,200

2024

$34,304 (+1.7%)

$2,323,480 + $691,423

$3,014,903

2023

$33,729 (+1.5%)

$2,277,922 + $677,866

$2,955,788

2022

$33,219 (+4.6%)

$2,233,257 + $664,575

$2,897,832

2021

$31,750 (−0.3%)

$2,189,468 + $651,545

$2,841,013

2020

$31,855 (+1.9%)

$2,146,538 + $592,005

$2,738,543

2019

$31,254 (+4.5%)

$2,124,528 + $579,214

$2,703,742

2018

$29,896 (+2.3%)

$2,082,871 + $567,857

$2,650,728

2017

$29,236 (+2.3%)

$2,001,992 + $509,885

$2,511,877

2016

$28,587 (+4.8%)

$2,001,992 + $509,885

$2,511,877

2015

$27,273 (+7.6%)

$1,962,738 + $487,162

$2,449,900

2014

$25,335 (+0.6%)

$1,767,683 + $392,817

$2,160,500

2013

$25,174 (+8.9%)

$1,767,683 + $392,817

$2,160,500

2012

$23,125 (−9.7%)

$1,767,682 + $392,818

$2,160,500

2011

$25,617 (+1.4%)

$1,635,546 + $363,454

$1,999,000

2010

$25,257 (+48.6%)

$1,813,554 + $403,012

$2,216,566

2009

$17,000 (−46.7%)

$1,800,000 + $400,000

$2,200,000

2008

$31,883

$728,750 + $728,750

$1,457,500

Tax history for 4059 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2026

$35,790 (+2.6%)

$2,369,949 + $705,251

$3,075,200

2025

$34,890 (+1.7%)

$2,369,949 + $705,251

$3,075,200

2024

$34,304 (+1.7%)

$2,323,480 + $691,423

$3,014,903

2023

$33,729 (+1.5%)

$2,277,922 + $677,866

$2,955,788

2022

$33,219 (+4.6%)

$2,233,257 + $664,575

$2,897,832

2021

$31,750 (−0.3%)

$2,189,468 + $651,545

$2,841,013

2020

$31,855 (+1.9%)

$2,146,538 + $592,005

$2,738,543

2019

$31,254 (+4.5%)

$2,124,528 + $579,214

$2,703,742

2018

$29,896 (+2.3%)

$2,082,871 + $567,857

$2,650,728

2017

$29,236 (+2.3%)

$2,001,992 + $509,885

$2,511,877

2016

$28,587 (+4.8%)

$2,001,992 + $509,885

$2,511,877

2015

$27,273 (+7.6%)

$1,962,738 + $487,162

$2,449,900

2014

$25,335 (+0.6%)

$1,767,683 + $392,817

$2,160,500

2013

$25,174 (+8.9%)

$1,767,683 + $392,817

$2,160,500

2012

$23,125 (−9.7%)

$1,767,682 + $392,818

$2,160,500

2011

$25,617 (+1.4%)

$1,635,546 + $363,454

$1,999,000

2010

$25,257 (+48.6%)

$1,813,554 + $403,012

$2,216,566

2009

$17,000 (−46.7%)

$1,800,000 + $400,000

$2,200,000

2008

$31,883

$728,750 + $728,750

$1,457,500

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

Permits

Nov 6, 2015 • Final

Building/residential/ad/single family addition

Convert an existing unconditioned barn into a conditioned office and bathroom. Install wall assemblies for shingles according to the submitted plans.

Remodel

Jul 6, 2010 • Final

Building - residential re-roof

Remove and replace the roof with class A composition shingles.

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

Interior

Room Information
# of Rooms: 12

Exterior

Property Information
Subdivision Name: ACALANES RHO
Living Sq. Ft: 3,594
Ground Floor Sq. Ft: 3,594
Building Sq. Ft: 3,594
# of Stories: 1
Legal Description: POR RO ACALANES

Lot Information
# of Buildings: 1
Land Sq. Ft: 54,886
Acres: 1.26
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 4
Baths: 4.0
Sq. Ft.: 3,594
Stories: 1.0
Lot Size: 1.26 acres
Style: Single Family Residential
Year Built: 1956
Year Renovated: 1985
County: Contra Costa County
APN: 2470200250

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 • 0.8mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 2.7mi

8/10

Acalanes High School

Public 9-12 • Assigned • 3.2mi

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, 15 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

$3.78M – $4.58M

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Home values near 4059 Happy Valley Rd

Data from public records.

Address	Redfin Estimate
4055 Happy Valley Rd, Lafayette, CA 4 Beds \| 4 Baths \| 3853 Sq. Ft.	$6,245,374
4067 Happy Valley Rd, Lafayette, CA 6 Beds \| 6.5 Baths \| 6383 Sq. Ft.	$7,545,829
4037 Happy Valley Rd, Lafayette, CA 4 Beds \| 7 Baths \| 11188 Sq. Ft.	$5,383,433
4075 Happy Valley Rd, Lafayette, CA 4 Beds \| 5 Baths \| 3710 Sq. Ft.	$4,927,816
6 Cricket Hill Rd, Lafayette, CA 6 Beds \| 7 Baths \| 8234 Sq. Ft.	$4,503,486
4050 Canyon Rd, Lafayette, CA 5 Beds \| 4 Baths \| 4867 Sq. Ft.	$2,763,408
1270 Medfield Rd, Lafayette, CA 4 Beds \| 3 Baths \| 3215 Sq. Ft.	$2,599,344

Address	Redfin Estimate
4040 Happy Valley Rd, Lafayette, CA 3 Beds \| 3 Baths \| 2607 Sq. Ft.	$2,349,138
4041 Happy Valley Rd, Lafayette, CA 4 Beds \| 2 Baths \| 2358 Sq. Ft.	$3,604,092
4051 Happy Valley Rd, Lafayette, CA 4 Beds \| 4 Baths \| 3726 Sq. Ft.	$4,994,729
4045 Happy Valley Rd, Lafayette, CA 6 Beds \| 7 Baths \| 7010 Sq. Ft.	—
3938 Canyon Rd, Lafayette, CA 4 Beds \| 5 Baths \| 3505 Sq. Ft.	$3,138,017
1 Rancho Diablo Rd, Lafayette, CA 4 Beds \| 3 Baths \| 3246 Sq. Ft.	$2,515,545
4 Rancho Diablo Rd, Lafayette, CA 3 Beds \| 2 Baths \| 1938 Sq. Ft.	$2,056,793

Address	Redfin Estimate
4069 Happy Valley Rd, Lafayette, CA 5 Beds \| 5 Baths \| 5813 Sq. Ft.	$4,911,763
4031 Happy Valley Rd, Lafayette, CA 4 Beds \| 3 Baths \| 3176 Sq. Ft.	$3,794,102
4060 Happy Valley Rd, Lafayette, CA 4 Beds \| 3 Baths \| 2910 Sq. Ft.	$2,437,156
7 Cricket Hill Rd, Lafayette, CA 4 Beds \| 3 Baths \| 4149 Sq. Ft.	$3,233,880
1240 Medfield Rd, Lafayette, CA 4 Beds \| 3 Baths \| 2442 Sq. Ft.	$2,331,590
3949 Canyon Rd, Lafayette, CA 5 Beds \| 5.5 Baths \| 4897 Sq. Ft.	$3,861,341
3939 Canyon Rd, Lafayette, CA 4 Beds \| 3 Baths \| 2696 Sq. Ft.	$2,520,477

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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 4059 Happy Valley Rd

Tax history for 4059 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 4059 Happy Valley Rd

More real estate resources