Google street view image for 4124 Happy Valley Rd, Lafayette, CA 94549

Off market sep 2012 for $2M

$3,331,625

Est. refi paymentEst. refi $9,368/mo

•

5 ba

•

4,423

sq ft

4124 Happy Valley Rd, Lafayette, CA 94549

About this home

4124 Happy Valley Rd is a 4,423 square foot house on a 4.15 acre lot with 4 bedrooms and 5 bathrooms. - it last sold on September 27, 2012 for $2,023,000. Based on Redfin's Lafayette data, we estimate the home's value is $3,331,625.

Single-familyProperty Type

1978Year Built

4.15 acresLot Size

$753Est. Price/Sq.Ft.

3 car garageParking

Source:Public Records

Redfin Estimate

$3,331,625

$1.3M since sold in September 2012$389K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 15% higher than the average sale price ($2.90M) of 6 comparable homes.

SOLD JUN 25, 2026
$3,475,000
A
5 beds4.5 baths3,900 sq ft
1059 Lizann Dr, Lafayette, CA 94549
SOLD OCT 27, 2026
$2,115,000
B
5 beds3 baths4,579 sq ft
128 Diablo View Dr, Orinda, CA 94563
SOLD SEP 21, 2026
$3,250,000
C
4 beds4 baths4,453 sq ft
16 Valley View Ln, Orinda, CA 94563
SOLD SEP 17, 2026
$3,200,000
D
5 beds4.5 baths4,645 sq ft
74 Yarrow Valley Ln, Orinda, CA 94563
SOLD NOV 6, 2026
$2,769,000
E
5 beds4.5 baths4,986 sq ft
4120 Happy Valley Rd, Lafayette, CA 94549
SOLD MAR 5, 2026
$2,575,000
F
4 beds4 baths4,180 sq ft
4500 Canyon Rd, Lafayette, CA 94549

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Earn from this home

Sell

$2,071,715

Est. take-home

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Refinance

Est. cash available

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Rent

$9,503/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
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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 4124 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2026

$30,816 (+2.7%)

$1,336,439 + $1,279,574

$2,616,013

2025

$30,005 (+1.7%)

$1,336,439 + $1,279,574

$2,616,013

2024

$29,500 (+1.7%)

$1,310,235 + $1,254,485

$2,564,720

2023

$29,002 (+1.5%)

$1,284,545 + $1,229,888

$2,514,433

2022

$28,562 (+3.0%)

$1,259,358 + $1,205,773

$2,465,131

2021

$27,738 (−0.5%)

$1,234,665 + $1,182,131

$2,416,796

2020

$27,880 (+2.3%)

$1,210,456 + $1,158,952

$2,369,408

2019

$27,241 (+3.7%)

$1,198,045 + $1,147,069

$2,345,114

2018

$26,278 (+1.7%)

$1,174,554 + $1,124,578

$2,299,132

2017

$25,827 (+1.8%)

$1,128,946 + $1,080,910

$2,209,856

2016

$25,372 (+2.8%)

$1,128,946 + $1,080,910

$2,209,856

2015

$24,692 (+0.8%)

$1,106,810 + $1,059,716

$2,166,526

2014

$24,500 (+3.9%)

$1,068,830 + $1,023,353

$2,092,183

2013

$23,579 (+179.8%)

$1,068,830 + $1,023,353

$2,092,183

2012

$8,427 (+1.7%)

$1,064,000 + $959,000

$2,023,000

2011

$8,290 (+3.2%)

$134,641 + $526,416

$661,057

2010

$8,032 (+1.1%)

$132,001 + $516,095

$648,096

2009

$7,946 (+1.7%)

$131,015 + $512,238

$643,253

2008

$7,812

$131,327 + $513,455

$644,782

Tax history for 4124 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2026

$30,816 (+2.7%)

$1,336,439 + $1,279,574

$2,616,013

2025

$30,005 (+1.7%)

$1,336,439 + $1,279,574

$2,616,013

2024

$29,500 (+1.7%)

$1,310,235 + $1,254,485

$2,564,720

2023

$29,002 (+1.5%)

$1,284,545 + $1,229,888

$2,514,433

2022

$28,562 (+3.0%)

$1,259,358 + $1,205,773

$2,465,131

2021

$27,738 (−0.5%)

$1,234,665 + $1,182,131

$2,416,796

2020

$27,880 (+2.3%)

$1,210,456 + $1,158,952

$2,369,408

2019

$27,241 (+3.7%)

$1,198,045 + $1,147,069

$2,345,114

2018

$26,278 (+1.7%)

$1,174,554 + $1,124,578

$2,299,132

2017

$25,827 (+1.8%)

$1,128,946 + $1,080,910

$2,209,856

2016

$25,372 (+2.8%)

$1,128,946 + $1,080,910

$2,209,856

2015

$24,692 (+0.8%)

$1,106,810 + $1,059,716

$2,166,526

2014

$24,500 (+3.9%)

$1,068,830 + $1,023,353

$2,092,183

2013

$23,579 (+179.8%)

$1,068,830 + $1,023,353

$2,092,183

2012

$8,427 (+1.7%)

$1,064,000 + $959,000

$2,023,000

2011

$8,290 (+3.2%)

$134,641 + $526,416

$661,057

2010

$8,032 (+1.1%)

$132,001 + $516,095

$648,096

2009

$7,946 (+1.7%)

$131,015 + $512,238

$643,253

2008

$7,812

$131,327 + $513,455

$644,782

*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

Jun 11, 2019 • Final

Building - residential solar photovoltaic

Install a new roof-mounted photovoltaic system on a residential building.

Electrical

Solar

Dec 21, 2016 • Final

Building/residential/ad/single family addition

Remodel the master bedroom, master bathroom, laundry room, and kitchen. Relocate a skylight, replace windows, and relocate walls in the kitchen and master suite area. Install new electrical, plumbing, and mechanical systems, including a heating and air conditioning replacement.

Bathroom

Electrical

HVAC

Kitchen

Plumbing

Remodel

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: 10

Exterior

Pool Information
Has Pool

Property Information
Living Sq. Ft: 4,423
Ground Floor Sq. Ft: 1,846
Building Sq. Ft: 4,423
# of Stories: 2
Legal Description: REC OF SURVEY 66 LSM 22 POR PCL A

Parking & Garage Information
Garage/Parking Sq. Ft: 638

Lot Information
# of Buildings: 1
Land Sq. Ft: 180,774
Acres: 4.15
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 4
Baths: 5.0
Sq. Ft.: 4,423
Stories: 2.0
Lot Size: 4.15 acres
Style: Single Family Residential
Year Built: 1978
Year Renovated: 1990
County: Contra Costa County
APN: 3652600267

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 • 1.0mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 3.0mi

8/10

Acalanes High School

Public 9-12 • Assigned • 3.5mi

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

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

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

$3.17M – $3.83M

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Home values near 4124 Happy Valley Rd

Data from public records.

Address	Redfin Estimate
4082 Happy Valley Road, Lafayette, CA 4 Beds \| 3 Baths \| 3665 Sq. Ft.	$3,297,673
4110 Happy Valley Road, Lafayette, CA 7 Beds \| 5.5 Baths \| 5729 Sq. Ft.	$4,438,441
4130 Happy Valley Road, Orinda, CA 5 Beds \| 6 Baths \| 5853 Sq. Ft.	$4,512,721
4120 Happy Valley Road, Lafayette, CA 5 Beds \| 4.5 Baths \| 4986 Sq. Ft.	$2,552,910
4101 Happy Valley Road, Lafayette, CA 5 Beds \| 4 Baths \| 4307 Sq. Ft.	$3,797,718
4090 Happy Valley Road, Lafayette, CA 5 Beds \| 6.5 Baths \| 6211 Sq. Ft.	$8,306,768
4 White Pine Lane, Lafayette, CA 3 Beds \| 4 Baths \| 3700 Sq. Ft.	$2,255,575

Address	Redfin Estimate
4116 Happy Valley Road, Lafayette, CA 5 Beds \| 4 Baths \| 4830 Sq. Ft.	$3,640,260
4105 Happy Valley Road, Lafayette, CA 4 Beds \| 2.5 Baths \| 3086 Sq. Ft.	$2,901,497
4107 Happy Valley Road, Lafayette, CA 5 Beds \| 5.5 Baths \| 6230 Sq. Ft.	$4,643,831
4134 Happy Valley Road, Orinda, CA 5 Beds \| 6 Baths \| 4721 Sq. Ft.	$3,935,936
4087 Happy Valley Road, Lafayette, CA 5 Beds \| 5 Baths \| 4934 Sq. Ft.	$4,169,544
231 Sundown Terrace, Orinda, CA 6 Beds \| 5 Baths \| 4657 Sq. Ft.	$4,133,533
239 Sundown Terrace, Orinda, CA 5 Beds \| 3 Baths \| 3648 Sq. Ft.	$2,978,808

Address	Redfin Estimate
4100 Happy Valley Road, Lafayette, CA 4 Beds \| 5 Baths \| 6157 Sq. Ft.	$6,121,422
4103 Happy Valley Road, Lafayette, CA 4 Beds \| 2.5 Baths \| 3027 Sq. Ft.	$2,474,099
4128 Happy Valley Road, Lafayette, CA 5 Beds \| 4.5 Baths \| 4800 Sq. Ft.	$3,521,249
4109 Happy Valley Road, Lafayette, CA 6 Beds \| 4 Baths \| 3796 Sq. Ft.	$3,271,379
4081 Happy Valley Road, Lafayette, CA 4 Beds \| 4 Baths \| 3606 Sq. Ft.	$2,941,529
235 Sundown Terrace, Orinda, CA 4 Beds \| 4 Baths \| 3802 Sq. Ft.	$3,239,069

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About this home

Redfin Estimate

Earn from this home

Market trends in 94549, CA

Sale history for 4124 Happy Valley Rd

Tax history for 4124 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 4124 Happy Valley Rd

More real estate resources