Google satellite image for 3983 Happy Valley Rd, Lafayette, CA 94549

Off market nov 1987 for $1.3M

$6,319,787

Est. refi paymentEst. refi $7,479/mo

•

6 ba

•

5,775

sq ft

3983 Happy Valley Rd, Lafayette, CA 94549

About this home

3983 Happy Valley Rd is a 5,775 square foot house on a 0.92 acre lot with 5 bedrooms and 6 bathrooms. - it last sold on November 04, 1987 for $1,350,000. Based on Redfin's Lafayette data, we estimate the home's value is $6,319,787.

Single-familyProperty Type

1976Year Built

0.92 acresLot Size

$1,094Est. Price/Sq.Ft.

3 car garageParking

Source:Public Records

Redfin Estimate

$6,319,787

$5.0M since sold in November 1987$192K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 48.6% higher than the average sale price ($4.25M) of 6 comparable homes.

SOLD NOV 3, 2026
$8,125,000
A
6 beds5.5 baths5,740 sq ft
3937 Happy Valley Rd, Lafayette, CA 94549
SOLD NOV 6, 2026
$2,769,000
B
5 beds4.5 baths4,986 sq ft
4120 Happy Valley Rd, Lafayette, CA 94549
SOLD SEP 9, 2026
$3,550,000
C
5 beds3.5 baths3,890 sq ft
3907 Happy Valley Rd, Lafayette, CA 94549
SOLD JUL 20, 2026
$3,570,000
D
6 beds5 baths5,755 sq ft
1 Gardiner Ct, Orinda, CA 94563
SOLD MAY 11, 2026
1248 Upper Happy Valley Rd, Lafayette, CA 94549
$4,295,000
E
5 beds4.5 baths4,830 sq ft
1248 Upper Happy Valley Rd, Lafayette, CA 94549
SOLD SEP 17, 2026
$3,200,000
F
5 beds4.5 baths4,645 sq ft
74 Yarrow Valley Ln, Orinda, CA 94563

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Earn from this home

Sell

$5,986,998

Est. take-home

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Refinance

Est. cash available

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Rent

$9,883/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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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
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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 3983 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2026

$51,149 (+0.4%)

$3,500,000 + $1,000,000

$4,500,000

2025

$50,932 (+2.0%)

$3,500,000 + $1,000,000

$4,500,000

2024

$49,950 (+1.4%)

$3,500,000 + $1,000,000

$4,500,000

2023

$49,245 (−0.4%)

$3,075,000 + $1,325,000

$4,400,000

2022

$49,430 (+12.3%)

$3,000,000 + $1,325,000

$4,325,000

2021

$44,029 (+0.9%)

$3,405,000 + $920,000

$4,325,000

2020

$43,649 (−0.2%)

$3,100,000 + $775,000

$3,875,000

2019

$43,755 (+6.5%)

$2,970,000 + $805,000

$3,775,000

2018

$41,091 (+2.6%)

$2,971,812 + $803,188

$3,775,000

2017

$40,061 (+4.7%)

$2,755,322 + $744,678

$3,500,000

2016

$38,265 (+12.0%)

$2,755,322 + $744,678

$3,500,000

2015

$34,169 (+2.1%)

$2,622,279 + $708,721

$3,331,000

2014

$33,461 (+6.2%)

$2,282,981 + $617,019

$2,900,000

2013

$31,505 (+1.1%)

$2,282,981 + $617,019

$2,900,000

2012

$31,157 (−11.6%)

$2,157,810 + $583,190

$2,741,000

2011

$35,256 (−13.2%)

$2,157,810 + $583,190

$2,741,000

2010

$40,601

$2,440,427 + $659,573

$3,100,000

2009

$40,587 (−10.0%)

$2,834,045 + $765,955

$3,600,000

2008

$45,087

$2,834,044 + $765,956

$3,600,000

Tax history for 3983 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2026

$51,149 (+0.4%)

$3,500,000 + $1,000,000

$4,500,000

2025

$50,932 (+2.0%)

$3,500,000 + $1,000,000

$4,500,000

2024

$49,950 (+1.4%)

$3,500,000 + $1,000,000

$4,500,000

2023

$49,245 (−0.4%)

$3,075,000 + $1,325,000

$4,400,000

2022

$49,430 (+12.3%)

$3,000,000 + $1,325,000

$4,325,000

2021

$44,029 (+0.9%)

$3,405,000 + $920,000

$4,325,000

2020

$43,649 (−0.2%)

$3,100,000 + $775,000

$3,875,000

2019

$43,755 (+6.5%)

$2,970,000 + $805,000

$3,775,000

2018

$41,091 (+2.6%)

$2,971,812 + $803,188

$3,775,000

2017

$40,061 (+4.7%)

$2,755,322 + $744,678

$3,500,000

2016

$38,265 (+12.0%)

$2,755,322 + $744,678

$3,500,000

2015

$34,169 (+2.1%)

$2,622,279 + $708,721

$3,331,000

2014

$33,461 (+6.2%)

$2,282,981 + $617,019

$2,900,000

2013

$31,505 (+1.1%)

$2,282,981 + $617,019

$2,900,000

2012

$31,157 (−11.6%)

$2,157,810 + $583,190

$2,741,000

2011

$35,256 (−13.2%)

$2,157,810 + $583,190

$2,741,000

2010

$40,601

$2,440,427 + $659,573

$3,100,000

2009

$40,587 (−10.0%)

$2,834,045 + $765,955

$3,600,000

2008

$45,087

$2,834,044 + $765,956

$3,600,000

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

Permits

Jun 20, 2012 • Final

Building - residential mechanical

Replace an existing furnace and install a new coil.

HVAC

Jan 30, 2010 • Final

Building/residential/al/alteration

Remodel a bathroom, bedroom, and den.

Bathroom

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: 14

Exterior

Pool Information
Has Pool

Property Information
Living Sq. Ft: 5,775
Ground Floor Sq. Ft: 3,261
Building Sq. Ft: 5,775
# of Stories: 2
Legal Description: PARCEL MAP 45 PG 10 PCL B

Parking & Garage Information
Garage/Parking Sq. Ft: 888

Lot Information
# of Buildings: 1
Land Sq. Ft: 40,075
Acres: 0.92
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 5
Baths: 6.0
Sq. Ft.: 5,775
Stories: 2.0
Lot Size: 0.92 acres
Style: Single Family Residential
Year Built: 1976
Year Renovated: 1983
County: Contra Costa County
APN: 2461600187

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 • 0.4mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 2.4mi

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

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

$6.00M – $7.27M

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OPEN TODAY, 1PM TO 4PMHOT HOME

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Home values near 3983 Happy Valley Rd

Data from public records.

Address	Redfin Estimate
3955 Happy Valley Rd, Lafayette, CA 7 Beds \| 8.5 Baths \| 13737 Sq. Ft.	$7,099,206
3959 Happy Valley Rd, Lafayette, CA 4 Beds \| 5 Baths \| 4408 Sq. Ft.	$5,217,625
3975 Happy Valley Rd, Lafayette, CA 5 Beds \| 5 Baths \| 6254 Sq. Ft.	$6,022,776
3981 Happy Valley Rd, Lafayette, CA 5 Beds \| 5 Baths \| 4734 Sq. Ft.	$3,541,756
4001 Happy Valley Rd, Lafayette, CA 4 Beds \| 4 Baths \| 4498 Sq. Ft.	$5,103,487
1 Hilldale Rd, Lafayette, CA 4 Beds \| 4 Baths \| 3406 Sq. Ft.	$2,931,968
4 Hilldale Rd, Lafayette, CA 4 Beds \| 5 Baths \| 4734 Sq. Ft.	$4,611,522

Address	Redfin Estimate
3957 Happy Valley Rd, Lafayette, CA 4 Beds \| 3 Baths \| 3440 Sq. Ft.	$3,857,929
3995 Happy Valley Rd, Lafayette, CA 4 Beds \| 4 Baths \| 3389 Sq. Ft.	$2,893,079
3947 Happy Valley Rd, Lafayette, CA 4 Beds \| 6 Baths \| 5588 Sq. Ft.	$12,573,345
3991 Happy Valley Rd, Lafayette, CA 7 Beds \| 6 Baths \| 7403 Sq. Ft.	$6,927,488
3993 Happy Valley Rd, Lafayette, CA 3 Beds \| 5 Baths \| 4823 Sq. Ft.	$4,195,568
1248 Upper Happy Valley Rd, Lafayette, CA 5 Beds \| 4.5 Baths \| 4830 Sq. Ft.	$4,033,345
1182 Upper Happy Valley Rd, Lafayette, CA 5 Beds \| 5 Baths \| 4684 Sq. Ft.	$5,018,386

Address	Redfin Estimate
3938 Happy Valley Rd, Lafayette, CA 5 Beds \| 5.5 Baths \| - Sq. Ft.	$4,505,378
3965 Happy Valley Rd, Lafayette, CA 5 Beds \| 4 Baths \| 3726 Sq. Ft.	$4,026,428
3969 Happy Valley Rd, Lafayette, CA 4 Beds \| 3 Baths \| 2773 Sq. Ft.	$2,872,565
3997 Happy Valley Rd, Lafayette, CA 4 Beds \| 3 Baths \| 2465 Sq. Ft.	$2,520,833
1232 Upper Happy Valley Rd, Lafayette, CA 3 Beds \| 3 Baths \| 2686 Sq. Ft.	$2,593,170
1242 Upper Happy Valley Rd Apartment 1240, Lafayette, CA 4 Beds \| 3 Baths \| 3870 Sq. Ft.	$2,842,678
1180 Upper Happy Valley Rd, Lafayette, CA 6 Beds \| 4 Baths \| 4242 Sq. Ft.	$3,381,447

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About this home

Redfin Estimate

Earn from this home

Market trends in 94549, CA

Sale history for 3983 Happy Valley Rd

Tax history for 3983 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 3983 Happy Valley Rd

More real estate resources