Google satellite image for 4037 Happy Valley Rd, Lafayette, CA 94549

Off market apr 2018 for $3.9M

$5,383,433

Est. refi paymentEst. refi $26,695/mo

•

7 ba

•

11,188

sq ft

4037 Happy Valley Rd, Lafayette, CA 94549

About this home

4037 Happy Valley Rd is a 11,188 square foot house on a 1.84 acre lot with 4 bedrooms and 7 bathrooms. - it last sold on April 03, 2018 for $3,999,000. Based on Redfin's Lafayette data, we estimate the home's value is $5,383,433.

Single-familyProperty Type

2021Year Built

1.84 acresLot Size

$481Est. Price/Sq.Ft.

4 car garageParking

Source:Public Records

Redfin Estimate

$5,383,433

$1.4M since sold in April 2018$549K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 46.6% higher than the average sale price ($3.67M) of 6 comparable homes.

SOLD AUG 21, 2026
$4,250,000
A
4 beds3.5 baths3,399 sq ft
3814 Happy Valley Rd, Lafayette, CA 94549
SOLD AUG 26, 2026
$4,800,000
B
4 beds3.5 baths4,033 sq ft
3954 S Peardale Dr, Lafayette, CA 94549
SOLD NOV 14, 2025
$4,250,000
C
4 beds4.5 baths4,502 sq ft
1133 Estates 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 SEP 21, 2026
$3,250,000
E
4 beds4 baths4,453 sq ft
16 Valley View Ln, Orinda, CA 94563
SOLD OCT 15, 2026
$3,375,000
F
3 beds3 baths2,686 sq ft
1232 Upper Happy Vly, Lafayette, CA 94549

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$2,475,803

Est. take-home

List your home with Redfin and save $26,917

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$9,865/mo

Redfin rental estimate

List your home for rent

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 4037 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2026

$111,727 (+2.1%)

$3,481,755 + $6,538,914

$10,020,669

2025

$109,462 (+1.7%)

$3,481,755 + $6,538,914

$10,020,669

2024

$107,683 (+15.5%)

$3,413,486 + $6,410,700

$9,824,186

2023

$93,218 (+37.8%)

$3,346,555 + $6,285,000

$9,631,555

2022

$67,630 (+83.4%)

$3,280,937 + $5,000,000

$8,280,937

2021

$36,875 (−24.1%)

$3,216,605 + $2,700,000

$5,916,605

2020

$48,579 (+1.6%)

$3,153,535

2019

$47,814 (+26.8%)

$3,121,200 + $1,039,359

$4,160,559

2018

$37,702 (+41.0%)

$3,060,000 + $1,018,980

$4,078,980

2017

$26,748 (+8.9%)

$1,350,000 + $950,000

$2,300,000

2016

$24,558 (−1.0%)

$1,350,000 + $950,000

$2,300,000

2015

$24,797 (−29.2%)

$1,200,000 + $900,000

$2,100,000

2014

$35,042 (+1.1%)

$1,650,919 + $1,350,752

$3,001,671

2013

$34,652 (+3.1%)

$1,650,919 + $1,350,752

$3,001,671

2012

$33,602 (+1.5%)

$1,643,458 + $1,344,648

$2,988,106

2011

$33,105 (+1.3%)

$1,611,234 + $1,318,283

$2,929,517

2010

$32,676 (−0.1%)

$1,579,642 + $1,292,435

$2,872,077

2009

$32,715 (+1.8%)

$1,567,837 + $1,282,776

$2,850,613

2008

$32,151

$1,571,562 + $1,285,824

$2,857,386

Tax history for 4037 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2026

$111,727 (+2.1%)

$3,481,755 + $6,538,914

$10,020,669

2025

$109,462 (+1.7%)

$3,481,755 + $6,538,914

$10,020,669

2024

$107,683 (+15.5%)

$3,413,486 + $6,410,700

$9,824,186

2023

$93,218 (+37.8%)

$3,346,555 + $6,285,000

$9,631,555

2022

$67,630 (+83.4%)

$3,280,937 + $5,000,000

$8,280,937

2021

$36,875 (−24.1%)

$3,216,605 + $2,700,000

$5,916,605

2020

$48,579 (+1.6%)

$3,153,535

2019

$47,814 (+26.8%)

$3,121,200 + $1,039,359

$4,160,559

2018

$37,702 (+41.0%)

$3,060,000 + $1,018,980

$4,078,980

2017

$26,748 (+8.9%)

$1,350,000 + $950,000

$2,300,000

2016

$24,558 (−1.0%)

$1,350,000 + $950,000

$2,300,000

2015

$24,797 (−29.2%)

$1,200,000 + $900,000

$2,100,000

2014

$35,042 (+1.1%)

$1,650,919 + $1,350,752

$3,001,671

2013

$34,652 (+3.1%)

$1,650,919 + $1,350,752

$3,001,671

2012

$33,602 (+1.5%)

$1,643,458 + $1,344,648

$2,988,106

2011

$33,105 (+1.3%)

$1,611,234 + $1,318,283

$2,929,517

2010

$32,676 (−0.1%)

$1,579,642 + $1,292,435

$2,872,077

2009

$32,715 (+1.8%)

$1,567,837 + $1,282,776

$2,850,613

2008

$32,151

$1,571,562 + $1,285,824

$2,857,386

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

Permits

May 28, 2024 • Final

Building/residential/r/adu-2nd unit

Construct a detached accessory dwelling unit with two bedrooms and two bathrooms. Install required fire sprinklers and comply with ember resistant construction standards for high fire hazard zones. Install a solar photovoltaic system under a separate permit.

ADU

Fire sprinkler

Nov 3, 2023 • Final

Building/residential/p/pool

Construct a new swimming pool and spa. Install a pier foundation for the swimming pool and relocate the spa to the opposite side of the pool.

Electrical

Grading

Plumbing

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

Interior

Room Information
# of Rooms: 17

Exterior

Pool Information
Has Pool

Property Information
Living Sq. Ft: 11,188
Ground Floor Sq. Ft: 8,814
Building Sq. Ft: 11,188
# of Stories: 1
Legal Description: REC OF SURVEY 45 LSM 15 POR PCLS A & C

Parking & Garage Information
Garage/Parking Sq. Ft: 1,146

Lot Information
# of Buildings: 1
Land Sq. Ft: 80,000
Acres: 1.8365
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 4
Baths: 7.0
Sq. Ft.: 11,188
Stories: 1.0
Lot Size: 1.84 acres
Style: Single Family Residential
Year Built: 2021
Year Renovated: 2023
County: Contra Costa County
APN: 2470310273

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 • 0.7mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 2.6mi

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

$5.12M – $6.19M

Reach more buyers when you sell with Redfin. Save up to $53,834 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

OPEN TODAY, 1PM TO 4PMHOT HOME

$2,975,000

4 beds3 baths2,619 sq ft

4022 Happy Valley Rd, Lafayette, CA 94549

Private office • Home gym • Updated kitchen

OPEN TODAY, 2:30PM TO 4PM

$1,595,000

3 beds2 baths1,455 sq ft

3402 Hall Ln, Lafayette, CA 94549

Private lane • Eichler style • 14 ceilings

OPEN TODAY, 2PM TO 4PM

$3,395,000

5 beds3.5 baths4,361 sq ft

124 Camino Sobrante, Orinda, CA 94563

Mature landscaping • Tree-lined drive • 0.38 acre lot

OPEN TODAY, 2PM TO 4PM

$2,295,000

4 beds3 baths2,649 sq ft

48 Via Floreado, Orinda, CA 94563

Renovated in 2022 • Expansive windows • Artificial turf

OPEN TODAY, 2PM TO 4PM3D WALKTHROUGH

$2,495,000

3 beds4 baths4,455 sq ft

9 Northridge Ln, Lafayette, CA 94549

Gated lane • Entertainment areas • Fireplace

OPEN TODAY, 1PM TO 4PM3D WALKTHROUGH

$1,980,000

4 beds3 baths2,708 sq ft

3 Harran Cir, Orinda, CA 94563

Remodeled • Move-in ready • Stunning living room

New listings for sale in 94549

COMING SOON

$1,092,000

2 beds2 baths1,110 sq ft

1003 Woodbury Rd #104, Lafayette, CA 94549

Neighborhood shops • Local trails • Quiet place

COMING SOON

$1,299,000

3 beds2 baths1,651 sq ft

490 Florence Dr, Lafayette, CA 94549

Backyard oasis • Inviting patio • Built-in firepit

OPEN TODAY, 1PM TO 4PM3D WALKTHROUGH

$1,495,000

3 beds2 baths1,670 sq ft

3241 Judith Ln, Lafayette, CA 94549

Designer kitchen • Custom art wall • Spa inspired bath

3D WALKTHROUGH

$2,895,000

4 beds4.5 baths4,225 sq ft

3370 Stage Coach Dr, Lafayette, CA 94549

Gated neighborhood • Miele appliances • Wine refrigerator

OPEN TODAY, 1PM TO 4PMHOT HOME

$2,975,000

4 beds3 baths2,619 sq ft

4022 Happy Valley Rd, Lafayette, CA 94549

Private office • Home gym • Updated kitchen

3D WALKTHROUGH

$999,000

3 beds3 baths2,443 sq ft

1175 Oleander Dr, Lafayette, CA 94549

One acre property • Mature trees • Private retreat

OPEN TODAY, 2PM TO 4PM

$2,695,000

5 beds3 baths2,484 sq ft

3208 Camino Colorados, Lafayette, CA 94549

Freshly renovated • Renovated kitchen • New flooring

Home values near 4037 Happy Valley Rd

Data from public records.

Address	Redfin Estimate
4055 Happy Valley Road, Lafayette, CA 4 Beds \| 4 Baths \| 3853 Sq. Ft.	$6,245,374
4067 Happy Valley Road, Lafayette, CA 6 Beds \| 6.5 Baths \| 6383 Sq. Ft.	$7,545,829
4031 Happy Valley Road, Lafayette, CA 4 Beds \| 3 Baths \| 3176 Sq. Ft.	$3,794,102
4045 Happy Valley Road, Lafayette, CA 6 Beds \| 7 Baths \| 7010 Sq. Ft.	—
4059 Happy Valley Road, Lafayette, CA 4 Beds \| 4 Baths \| 3594 Sq. Ft.	$3,979,106
4026 Canyon Road, Lafayette, CA 5 Beds \| 5 Baths \| 5602 Sq. Ft.	$4,781,075
4 Rancho Diablo Road, Lafayette, CA 3 Beds \| 2 Baths \| 1938 Sq. Ft.	$2,056,793

Address	Redfin Estimate
4032 Happy Valley Road, Lafayette, CA 5 Beds \| 5 Baths \| 4799 Sq. Ft.	$4,479,742
4015 Happy Valley Road, Lafayette, CA 5 Beds \| 6 Baths \| 6011 Sq. Ft.	$4,882,816
4008 Happy Valley Road, Lafayette, CA 4 Beds \| 4 Baths \| 3915 Sq. Ft.	$3,992,713
4030 Happy Valley Road, Lafayette, CA 5 Beds \| 5 Baths \| 4128 Sq. Ft.	$3,357,121
3938 Canyon Road, Lafayette, CA 4 Beds \| 5 Baths \| 3505 Sq. Ft.	$3,138,017
1240 Medfield Road, Lafayette, CA 4 Beds \| 3 Baths \| 2442 Sq. Ft.	$2,331,590
3939 Canyon Road, Lafayette, CA 4 Beds \| 3 Baths \| 2696 Sq. Ft.	$2,520,477

Address	Redfin Estimate
4040 Happy Valley Road, Lafayette, CA 3 Beds \| 3 Baths \| 2607 Sq. Ft.	$2,349,138
4041 Happy Valley Road, Lafayette, CA 4 Beds \| 2 Baths \| 2358 Sq. Ft.	$3,604,092
4051 Happy Valley Road, Lafayette, CA 4 Beds \| 4 Baths \| 3726 Sq. Ft.	$4,994,729
4022 Happy Valley Road, Lafayette, CA 4 Beds \| 3 Baths \| 2619 Sq. Ft.	$3,210,793
4010 Canyon Road, Lafayette, CA 5 Beds \| 7 Baths \| 6225 Sq. Ft.	$5,240,304
1 Rancho Diablo Road, Lafayette, CA 4 Beds \| 3 Baths \| 3246 Sq. Ft.	$2,515,545
4008 Canyon Road, Lafayette, CA 4 Beds \| 4.5 Baths \| 3490 Sq. Ft.	$3,305,327

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

Redfin Brokerage Licenses

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

94553 homes for sale
94556 homes for sale
94595 homes for sale
94597 homes for sale
94549 homes for sale

Houses for rent in Lafayette	Agents near me	Irvine, CA homes for sale	Lafayette Housing Market
Houses for sale near me	San Diego, CA homes for sale	Fremont, CA homes for sale
Land for sale near me	San Francisco, CA homes for sale	Sacramento, CA homes for sale
Open Houses near me	Los Angeles, CA homes for sale	Lafayette Property Records
Condos for sale near me	San Jose, CA homes for sale	CA New Listings

Oakland homes for sale
San Francisco homes for sale
Fremont homes for sale

About this home

Redfin Estimate

Earn from this home

Market trends in 94549, CA

Sale history for 4037 Happy Valley Rd

Tax history for 4037 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 4037 Happy Valley Rd

More real estate resources