OFF MARKET

Off Market Aug 2010 for $2.7M

$5,220,192

Est. refi paymentEst. refi $15,364/mo

•

4,807

sq ft

3815 Happy Valley Rd, Lafayette, CA 94549

About this home

Single-familyProperty Type

1938Year Built

1.23 acresLot Size

$1,086Est. Price/Sq.Ft.

4 car garageParking

Listed by Jeff Hart •DRE #01110603 • Alain Pinel Realtors

Bought with Patricia Battersby •DRE #854469 • Village Associates Real Estate

Redfin checked: 2 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40341909

Redfin Estimate

$5,220,192

$2.4M since sold in August 2010$471K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 35.4% higher than the average sale price ($3.85M) 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 JUL 9, 2026
$4,800,000
C
4 beds3.5 baths4,511 sq ft
1165 Glen Rd, Lafayette, CA 94549
SOLD NOV 14, 2025
$4,250,000
D
4 beds4.5 baths4,502 sq ft
1133 Estates Dr, Lafayette, CA 94549
SOLD AUG 18, 2026
$2,600,000
E
3 beds3 baths3,475 sq ft
1066 Dolores Dr, Lafayette, CA 94549
SOLD FEB 23, 2026
$2,430,000
F
4 beds3.5 baths3,322 sq ft
1076 N Thompson Rd, Lafayette, CA 94549

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

Earn from this home

Sell

$3,589,132

Est. take-home

List your home with Redfin and save $26,101

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$10,106/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 3815 Happy Valley Rd

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #40341909

Aug 11, 2010

Sold

$2,795,000

$581/sq ft

Jul 17, 2010

Pending

—

Jun 16, 2010

Price Changed

$2,900,000

$603/sq ft

May 3, 2010

Price Changed

$2,999,999

$624/sq ft

May 3, 2010

Relisted

—

May 1, 2010

Listing Removed

—

Apr 24, 2010

Relisted

—

Apr 7, 2010

Pending

—

Mar 13, 2010

Relisted

—

Jan 29, 2010

Pending

—

Jan 4, 2010

Price Changed

$3,099,000

$645/sq ft

May 4, 2009

Price Changed

$3,399,000

$707/sq ft

Feb 9, 2009

Price Changed

$3,699,000

$770/sq ft

Oct 4, 2008

Price Changed

$3,900,000

$811/sq ft

Oct 4, 2008

Relisted

—

Sep 2, 2008

Listing Removed

—

Aug 18, 2008

Price Changed

$3,800,000

$791/sq ft

Jun 30, 2008

Price Changed

$3,999,000

$832/sq ft

May 13, 2008

Listed

$4,185,000

$871/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$42,718 (+1.7%)

$1,787,695 + $2,023,166

$3,810,861

2024

$42,002 (+1.7%)

$1,752,643 + $1,983,497

$3,736,140

2023

$41,303 (+1.5%)

$1,718,278 + $1,944,605

$3,662,883

2022

$40,678 (+3.0%)

$1,684,587 + $1,906,476

$3,591,063

2021

$39,502 (−0.6%)

$1,651,556 + $1,869,095

$3,520,651

2020

$39,750 (+1.7%)

$1,619,173 + $1,832,447

$3,451,620

2019

$39,069 (+3.7%)

$1,602,571 + $1,813,658

$3,416,229

2018

$37,686 (+1.7%)

$1,571,149 + $1,778,097

$3,349,246

2017

$37,040 (+1.7%)

$1,510,141 + $1,709,052

$3,219,193

2016

$36,405 (+2.7%)

$1,510,141 + $1,709,052

$3,219,193

2015

$35,435 (+1.4%)

$1,480,531 + $1,675,542

$3,156,073

2014

$34,953 (+1.0%)

$1,429,728 + $1,597,746

$3,027,474

2013

$34,594 (+4.6%)

$1,429,728 + $1,597,746

$3,027,474

2012

$33,078 (+3.4%)

$1,423,267 + $1,590,526

$3,013,793

2011

$31,979 (+240.0%)

$1,395,360 + $1,514,440

$2,909,800

2010

$9,407 (+0.8%)

$1,368,000 + $1,427,000

$2,795,000

2009

$9,328 (+2.6%)

$80,705 + $680,351

$761,056

2008

$9,093

$80,897 + $681,968

$762,865

Tax history for 3815 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$42,718 (+1.7%)

$1,787,695 + $2,023,166

$3,810,861

2024

$42,002 (+1.7%)

$1,752,643 + $1,983,497

$3,736,140

2023

$41,303 (+1.5%)

$1,718,278 + $1,944,605

$3,662,883

2022

$40,678 (+3.0%)

$1,684,587 + $1,906,476

$3,591,063

2021

$39,502 (−0.6%)

$1,651,556 + $1,869,095

$3,520,651

2020

$39,750 (+1.7%)

$1,619,173 + $1,832,447

$3,451,620

2019

$39,069 (+3.7%)

$1,602,571 + $1,813,658

$3,416,229

2018

$37,686 (+1.7%)

$1,571,149 + $1,778,097

$3,349,246

2017

$37,040 (+1.7%)

$1,510,141 + $1,709,052

$3,219,193

2016

$36,405 (+2.7%)

$1,510,141 + $1,709,052

$3,219,193

2015

$35,435 (+1.4%)

$1,480,531 + $1,675,542

$3,156,073

2014

$34,953 (+1.0%)

$1,429,728 + $1,597,746

$3,027,474

2013

$34,594 (+4.6%)

$1,429,728 + $1,597,746

$3,027,474

2012

$33,078 (+3.4%)

$1,423,267 + $1,590,526

$3,013,793

2011

$31,979 (+240.0%)

$1,395,360 + $1,514,440

$2,909,800

2010

$9,407 (+0.8%)

$1,368,000 + $1,427,000

$2,795,000

2009

$9,328 (+2.6%)

$80,705 + $680,351

$761,056

2008

$9,093

$80,897 + $681,968

$762,865

*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

1.23 Acres

Year renovated

1979

Sq. Ft.

4,925

Year built

1938

Style

Single Family Residential

County

Contra Costa County

APN

2440100044

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2026.

Aug 14, 2013 • Final

Building/residential/mir/miscellaneous residential

Construct a new outdoor fireplace, seat walls, and a barbecue area according to the provided plans.

Remodel

Jun 4, 2013 • Final

Building/residential/p/pool

Remodel an existing swimming pool and add a new spa. Replace the concrete patio.

Pool and hot tub

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

Parking

Parking Information
Has Attached Garage
Garage Spaces: 4
Covered Spaces: 4
Parking Features: Attached, Detached

Interior

Virtual Tour

Bathroom Information
# of Bathrooms Total: 6
# of Bathrooms Full: 5
# of Bathrooms Partial: 1
Other Bathrooms Included Features: Stall Shower, Tile
Primary Bathroom Included Features: Solid Surface, Stall Shower, Tub with Jets

Interior Features
Interior Features: Au Pair, Family Room, Formal Dining Room, Stone Counters, Kitchen Island
Appliances: Gas Range, Oven, Refrigerator
Laundry Features: Laundry Room
Street Level Features: 3 Bedrooms, Primary Bedrm Suite - 1
Fireplaces Total: 3
Has Fireplace
Flooring: Carpet

Room Information
Kitchen Features: Counter - Stone,Gas Range/Cooktop,Island,Oven Built-in,Refrigerator
Rooms Total: 11
Fireplace Features: Family Room, Living Room

Exterior

Building Information
Construction Materials: Stucco
Building Area Total: 4,807
Foundation Details: Raised

Exterior Features
Exterior Features: Back Yard, Front Yard
Door Features: Mirrored Closet Door(s)

Pool Information
Pool Features: In Ground, Pool Cover
Has Private Pool

Property Information
Living Area: 4807
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1938

Lot Information
Lot Size Square Feet: 53578
Lot Size Area: 1.23
Lot Size Units: Acres
Lot Size Acres: 1.23
Lot Features: Premium Lot

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Zoned, Natural Gas
Cooling: Zoned

Location

School Information
High School District: Lafayette (925) 280-3900

Public facts

Beds: 4
Baths: 5.0
Sq. Ft.: 4,925
Stories: 1.0
Lot Size: 1.23 acres
Style: Single Family Residential
Year Built: 1938
Year Renovated: 1979
County: Contra Costa County
APN: 2440100044

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Happy Valley Elementary School

Public K-5 • Assigned • 0.2mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 1.8mi

8/10

Acalanes High School

Public 9-12 • Assigned • 2.3mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

5/10 Flood Factor

Estimated 19-29% chance 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 95° 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

$4.96M – $6.00M

Reach more buyers when you sell with Redfin. Save up to $52,202 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

OPEN SUN, 1PM TO 4PM

$2,995,000

5 beds5 baths4,605 sq ft

6 Tanglewood Ln, Lafayette, CA 94549

OPEN SAT, 1PM TO 4PM

$1,495,000

3 beds2 baths1,621 sq ft

1064 Leland Dr, Lafayette, CA 94549

OPEN SAT, 9AM TO 7PM

$1,399,000

3 beds2 baths2,039 sq ft

612 Tahos Rd, Orinda, CA 94563

NEW 28 HRS AGO

$989,000

2 beds1 bath888 sq ft

3213 Stanley Blvd, Lafayette, CA 94549

Tom Linthicum RE Company

$2,998,888

5 beds4 baths2,621 sq ft

1543 Rancho View Dr, Lafayette, CA 94549

Top Realty

OPEN SAT, 1PM TO 4PM

$1,925,000

4 beds3 baths2,228 sq ft

859 Mountain View Dr, Lafayette, CA 94549

New listings for sale in 94549

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

$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

Home values near 3815 Happy Valley Rd

Data from public records.

Address	Redfin Estimate
3827 Happy Valley Road, Lafayette, CA 3 Beds \| 3 Baths \| 3165 Sq. Ft.	$2,836,078
3820 Happy Valley Road, Lafayette, CA 6 Beds \| - Baths \| 9281 Sq. Ft.	$9,302,842

Address	Redfin Estimate
3808 Happy Valley Road, Lafayette, CA 4 Beds \| 4 Baths \| 5596 Sq. Ft.	$4,608,636
3814 Happy Valley Road, Lafayette, CA 4 Beds \| 3.5 Baths \| 3399 Sq. Ft.	$4,335,554

Address	Redfin Estimate
3806 Happy Valley Road, Lafayette, CA 4 Beds \| 5 Baths \| 3776 Sq. Ft.	$3,190,654
3825 Happy Valley Road, Lafayette, CA 4 Beds \| 4 Baths \| 4804 Sq. Ft.	$4,014,256

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2008. This data may not match . Learn more.

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.

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	Pasadena, 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 3815 Happy Valley Rd

Tax history for 3815 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 3815 Happy Valley Rd

More real estate resources