3947 Happy Valley Rd, Lafayette, CA 94549

Off Market Aug 2023 for $13M

$11,765,112

Est. refi paymentEst. refi $89,447/mo

•

8,960

sq ft

3947 Happy Valley Rd, Lafayette, CA 94549

About this home

Single-familyProperty Type

1996Year Built

1.51 acresLot Size

$1,313Est. Price/Sq.Ft.

5 car garageParking

Listed by Stella Tsakonas •DRE #01363574 • Compass

Listed by Stephanie Mull •DRE #01955633 • Compass

Bought with Denise Paulson •DRE #01268099 • Compass

Redfin checked: 2 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #41037658

Redfin Estimate

$11,765,112

$1.9M since sold in August 2023$264K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 189.4% higher than the average sale price ($4.07M) of 6 comparable homes.

SOLD JUL 20, 2026
$3,570,000
A
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
B
5 beds4.5 baths4,830 sq ft
1248 Upper Happy Valley Rd, Lafayette, CA 94549
SOLD JUN 25, 2026
$3,475,000
C
5 beds4.5 baths3,900 sq ft
1059 Lizann Dr, Lafayette, CA 94549
SOLD MAR 25, 2026
$5,300,000
D
5 beds4.5 baths4,718 sq ft
20 Monticello Ct, Lafayette, CA 94549
SOLD MAY 13, 2026
$3,550,000
E
5 beds4.5 baths5,020 sq ft
1006 Howard Hills Rd, Lafayette, CA 94549
SOLD APR 20, 2026
$4,200,000
F
4 beds4.5 baths4,418 sq ft
1161 Oleander Dr, Lafayette, CA 94549

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Earn from this home

Sell

$809,444

Est. take-home

List your home with Redfin and save $58,826

Refinance

Est. cash available

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Rent

$9,888/mo

Redfin rental estimate

List your home for rent

Market trends in 94549, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.8%

0.2% MoM

Median sale price

$2.0M

$26K MoM

Avg. days on market

17d

2 days MoM

Recently sold homes

103

4 MoM

New listings for sale

OPEN SUN, 1PM TO 4PM
$2,995,000
5 beds5 baths4,605 sq ft
6 Tanglewood Ln, Lafayette, CA 94549
NEW 4 HRS AGO
$1,495,000
4 beds2.5 baths2,473 sq ft
499 Silverado Dr, Lafayette, CA 94549
NEW 8 HRS AGO
$2,195,000
4 beds3 baths2,925 sq ft
31 Richelle Ct, Lafayette, CA 94549
OPEN SAT, 2PM TO 4PM
$1,495,000
3 beds2 baths1,820 sq ft
37 Chapel Dr, Lafayette, CA 94549
OPEN SAT, 1PM TO 4PM
$2,599,000
5 beds3.5 baths4,075 sq ft
20 Northridge Ln, Lafayette, CA 94549
NEW 25 HRS AGO
$12,000,000
5 beds5.5 baths6,924 sq ft
1232 Rose Ln, Lafayette, CA 94549
NEW 28 HRS AGO
3213 Stanley Blvd, Lafayette, CA 94549
$989,000
2 beds1 bath888 sq ft
3213 Stanley Blvd, Lafayette, CA 94549
Tom Linthicum RE Company
COMING SOON
$2,799,000
5 beds3.5 baths3,500 sq ft
809 Mountain View Dr, Lafayette, CA 94549
OPEN SAT, 12PM TO 2PM
$1,695,000
6 beds2 baths1,890 sq ft
946 Hough Ave, Lafayette, CA 94549
(415) 660-9955
OPEN SAT, 1PM TO 4PM
$2,998,000
5 beds4 baths3,450 sq ft
1332 Reliez Valley Rd, Lafayette, CA 94549
See all

Provided by Redfin

Sale history for 3947 Happy Valley Rd

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #41037658

Aug 30, 2023

Sold

$13,690,000

$1,528/sq ft

Aug 30, 2023

Listed

$13,690,000

$1,528/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #40935142

Jul 19, 2021

Sold

$11,500,000

$1,283/sq ft

Jul 8, 2021

Pending

—

Mar 12, 2021

Listed

$11,500,000

$1,283/sq ft

Welcome to a Lafayette family oasis: a traditional estate ideally suited for modern times. This gorgeous gated property embodies New England-inspired elegance across 1.5 park-like acres. Staying home never felt so good. Custom craftsmanship is found throughout the compound’s three buildings of expansive spaces totaling 8,960 sq. ft., 7 BR/8.5 BA. French doors open to sunlit patios for the best in indoor-outdoor living. The light-filled main residence, with its five-star chef's kitchen and oversized stone fireplaces, is comfortable and capacious. The La Cornue handcrafted French range and rotisserie are a chef’s dream. Movie nights in the home theatre will become a family favorite. The gracious carriage house, charming studio guest house and custom children’s playhouse accommodate a wide range of needs. Outside, beautiful grounds, oversized porches, swimming pool, cabana and spa make this a special property that offers a unique blend of privacy, pleasure, tranquility and security.

Public Records

Jun 30, 1994

Sold

$1,300,000

$145/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$154,054 (+1.7%)

$10,404,000 + $4,129,076

$14,533,076

2024

$151,510 (+16.0%)

$10,200,000 + $3,763,800

$13,963,800

2023

$130,560 (+1.3%)

$10,000,000 + $3,690,000

$13,690,000

2022

$128,914 (+169.8%)

$8,160,000 + $3,570,000

$11,730,000

2021

$47,776 (−0.4%)

$8,000,000 + $3,500,000

$11,500,000

2020

$47,956 (+1.6%)

$2,555,888 + $1,599,330

$4,155,218

2019

$47,196 (+3.7%)

$2,529,681 + $1,582,931

$4,112,612

2018

$45,524 (+1.8%)

$2,480,080 + $1,551,894

$4,031,974

2017

$44,716 (+1.8%)

$2,383,776 + $1,491,633

$3,875,409

2016

$43,938 (+2.8%)

$2,383,776 + $1,491,633

$3,875,409

2015

$42,757 (+0.8%)

$2,337,036 + $1,462,386

$3,799,422

2014

$42,431 (+14.5%)

$2,256,841 + $1,412,205

$3,669,046

2013

$37,069 (+1.2%)

$2,256,841 + $1,412,205

$3,669,046

2012

$36,621 (+5.9%)

$2,000,000 + $1,208,310

$3,208,310

2011

$34,575 (−10.5%)

$2,000,000 + $1,200,000

$3,200,000

2010

$38,626 (+8.1%)

$1,854,448 + $1,145,552

$3,000,000

2009

$35,740 (−0.8%)

$2,092,745 + $1,292,755

$3,385,500

2008

$36,046

$1,932,335 + $1,193,665

$3,126,000

Tax history for 3947 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$154,054 (+1.7%)

$10,404,000 + $4,129,076

$14,533,076

2024

$151,510 (+16.0%)

$10,200,000 + $3,763,800

$13,963,800

2023

$130,560 (+1.3%)

$10,000,000 + $3,690,000

$13,690,000

2022

$128,914 (+169.8%)

$8,160,000 + $3,570,000

$11,730,000

2021

$47,776 (−0.4%)

$8,000,000 + $3,500,000

$11,500,000

2020

$47,956 (+1.6%)

$2,555,888 + $1,599,330

$4,155,218

2019

$47,196 (+3.7%)

$2,529,681 + $1,582,931

$4,112,612

2018

$45,524 (+1.8%)

$2,480,080 + $1,551,894

$4,031,974

2017

$44,716 (+1.8%)

$2,383,776 + $1,491,633

$3,875,409

2016

$43,938 (+2.8%)

$2,383,776 + $1,491,633

$3,875,409

2015

$42,757 (+0.8%)

$2,337,036 + $1,462,386

$3,799,422

2014

$42,431 (+14.5%)

$2,256,841 + $1,412,205

$3,669,046

2013

$37,069 (+1.2%)

$2,256,841 + $1,412,205

$3,669,046

2012

$36,621 (+5.9%)

$2,000,000 + $1,208,310

$3,208,310

2011

$34,575 (−10.5%)

$2,000,000 + $1,200,000

$3,200,000

2010

$38,626 (+8.1%)

$1,854,448 + $1,145,552

$3,000,000

2009

$35,740 (−0.8%)

$2,092,745 + $1,292,755

$3,385,500

2008

$36,046

$1,932,335 + $1,193,665

$3,126,000

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

Public record

Public record
Permits

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

1.51 Acres

Year renovated

2015

Sq. Ft.

5,588

Year built

1996

Style

Single Family Residential

County

Contra Costa County

APN

2461200129

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2026.

Oct 7, 2025 • Final

Building/grading/gl/grading lafayette

Perform grading work for a new detached accessory dwelling unit. The work includes cutting and filling soil to prepare the site.

ADU

Grading

Jul 28, 2025 • Active

Building - residential re-roof

Replace the existing roof on the main house with materials of the same kind. A cool roof or cool roof exception is required at the final inspection.

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

Parking

Parking Information
Has Garage
Garage Spaces: 5
Covered Spaces: 5
Parking Features: Detached, Off Street

Interior

Bathroom Information
# of Bathrooms Total: 9
# of Bathrooms Full: 8
# of Bathrooms Partial: 1

Interior Features
Interior Features: Bonus/Plus Room, Office, Counter - Solid Surface, Eat-in Kitchen, Pantry
Appliances: Dishwasher, Disposal, Microwave, Free-Standing Range, Refrigerator, Gas Water Heater
Laundry Features: Laundry Room
Street Level Features: 0.5 Bath, Main Entry
Fireplaces Total: 2
Has Fireplace
Flooring: Hardwood, Tile, Carpet

Room Information
Kitchen Features: Counter - Solid Surface,Dishwasher,Eat In Kitchen,Garbage Disposal,Microwave,Pantry,Range/Oven Free Standing,Refrigerator
Rooms Total: 17
Fireplace Features: Living Room

Exterior

Building Information
Construction Materials: Wood Shingles, Wood Siding
Building Area Total: 8,960

Exterior Features
Exterior Features: Entry Gate
Roof: Shingle

Mobile Home Information
Skirt: Stone

Pool Information
Pool Features: Pool Cover, Pool/Spa Combo
Has Private Pool
Has Spa

Property Information
Living Area: 8960
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1996

Lot Information
Lot Size Square Feet: 65776
Lot Size Area: 1.51
Lot Size Units: Acres
Lot Size Acres: 1.51
Lot Features: Premium Lot

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Zoned
Cooling: Zoned

Public facts

Beds: 4
Baths: 6.0
Sq. Ft.: 5,588
Stories: 2.0
Lot Size: 1.51 acres
Style: Single Family Residential
Year Built: 1996
Year Renovated: 2015
County: Contra Costa County
APN: 2461200129

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Happy Valley Elementary School

Public K-5 • Assigned • 0.3mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 2.3mi

8/10

Acalanes High School

Public 9-12 • Assigned • 2.8mi

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

2% 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

15 unhealthy days expected this year, 16 days in 30 years

Provided by First Street

Historical weather

Lafayette, CA • 94549

Average low and high temperatures (°F)

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

$11.18M – $13.53M

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(415) 660-9955

Home values near 3947 Happy Valley Rd

Data from public records.

Address	Redfin Estimate
3900 Happy Valley Rd, Lafayette, CA 5 Beds \| 3 Baths \| 2896 Sq. Ft.	$2,904,804
3957 Happy Valley Rd, Lafayette, CA 4 Beds \| 3 Baths \| 3440 Sq. Ft.	$3,782,419

Address	Redfin Estimate
3915 Happy Valley Rd, Lafayette, CA 6 Beds \| 6.5 Baths \| 6940 Sq. Ft.	$10,118,109
3938 Happy Valley Rd, Lafayette, CA 5 Beds \| 5.5 Baths \| - Sq. Ft.	$4,358,499

Address	Redfin Estimate
3955 Happy Valley Rd, Lafayette, CA 7 Beds \| 8.5 Baths \| 13737 Sq. Ft.	$8,622,277
3936 Happy Valley Rd, Lafayette, CA 5 Beds \| 5.5 Baths \| 4937 Sq. Ft.	$6,348,311

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2023. This data may not match . Learn more.

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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 3947 Happy Valley Rd

Tax history for 3947 Happy Valley Rd

Public record

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 3947 Happy Valley Rd

More real estate resources