OFF MARKET

Off Market Jul 2019 for $3.5M

$4,330,285

Est. refi paymentEst. refi $22,652/mo

•

5,235

sq ft

3660 Happy Valley Rd, Lafayette, CA 94549

About this home

Extraordinary gated estate with private setting! 5 BRs, 6.5 baths, 5235 sf. .69 Acre. Impressive stone entry leads to dramatic foyer w/high ceiling & wrought iron staircase. Living & dining rooms have hdwd floors & windows w/view to stunning back yard. Kitchen has rich wood cabinets, large island, granite counters, stainless appliances, gas range, walk-in pantry & opens to family room. Adjoining dining area has French doors opening to outdoor entertaining spaces. En suite room is ideal for home office, guests. Upstairs, all bedrooms are en suite, 3 w/walk-in closets. Master retreat has vaulted ceiling, 2 large walk-in closets w/built-ins & private deck overlooks the lovely grounds. Master bath has large shower, & luxurious tub. Adjoining bonus rm w/French doors is perfect for office, library, workouts. The yard is an entertainer's dream, w/large sparkling pool, 2 lawns. 4 car garage for car enthusiast! Ample parking, walk to town, BART. Close to fwy, shops and dining. Top schools!

Single-familyProperty Type

1954Year Built

0.69 acresLot Size

$827Est. Price/Sq.Ft.

4 car garageParking

Listed by Linda Ehrich •DRE #01330298 • Village Associates Real Estate

Listed by Ashley Battersby •DRE #01407784 • Village Associates Real Estate

Bought with Caitlin Hudson •DRE #01948905 • Compass

Redfin checked: a minute ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40867387

Redfin Estimate

$4,330,285

$830K since sold in July 2019$8,000 since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 7.2% lower than the average sale price ($4.67M) of 6 comparable homes.

SOLD BY REDFIN JUL 14, 2026
$2,590,000
A
5 beds3.5 baths4,280 sq ft
858 Mountain View Dr, Lafayette, CA 94549
SOLD JUN 1, 2026
$9,600,108
B
6 beds6 baths5,270 sq ft
3958 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 MAY 15, 2026
$3,300,000
D
4 beds4 baths3,530 sq ft
1122 Via Media, Lafayette, CA 94549
SOLD FEB 17, 2026
$4,900,000
E
6 beds5 baths5,450 sq ft
3957 Rancho Rd, Lafayette, CA 94549
SOLD JUL 27, 2026
$2,800,000
F
5 beds3.5 baths3,169 sq ft
1038 Pine Ln, Lafayette, CA 94549

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

Earn from this home

Sell

$1,704,945

Est. take-home

List your home with Redfin and save $21,651

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$10,155/mo

Redfin rental estimate

List your home for rent

Market trends in 94549, CA

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.9%

0.2% MoM

Median sale price

$2.0M

$452 MoM

Avg. days on market

18d

0 days MoM

Recently sold homes

15 MoM

New listings for sale

OPEN TODAY, 1PM TO 4PM
$825,000
2 beds1.5 baths1,038 sq ft
917 Hough Ave #9, Lafayette, CA 94549
COMING SOON
$2,498,000
5 beds3.5 baths4,350 sq ft
857A Mountain View Dr, Lafayette, CA 94549
OPEN TODAY, 12PM TO 4PM
$2,100,000
4 beds2.5 baths2,086 sq ft
829 Reliez Station Rd, Lafayette, CA 94549
OPEN TODAY, 1PM TO 4PM
$1,587,000
4 beds3 baths2,392 sq ft
16 Ruth Ct, Lafayette, CA 94549
OPEN TODAY, 1PM TO 4PM
$1,925,000
4 beds3 baths2,228 sq ft
859 Mountain View Dr, Lafayette, CA 94549
OPEN TODAY, 2PM TO 4PM
$2,495,000
3 beds3 baths2,686 sq ft
1232 Upper Happy Vly, Lafayette, CA 94549
OPEN TODAY, 1PM TO 4PM
$2,195,000
3 beds2 baths1,658 sq ft
210 Lafayette Cir #302, Lafayette, CA 94549
OPEN TODAY, 1PM TO 4PM
$3,999,000
4 beds3.5 baths4,114 sq ft
3647 Happy Valley Rd, Lafayette, CA 94549
OPEN TODAY, 2PM TO 4PM
$2,995,000
4 beds3.5 baths4,076 sq ft
2 Reliez Manor Ct, Lafayette, CA 94549
COMING SOON
$1,699,000
3 beds2 baths1,956 sq ft
3149 Indian Way, Lafayette, CA 94549
See all

Provided by Redfin

Sale history for 3660 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$43,712 (+1.7%)

$2,454,138 + $1,450,172

$3,904,310

2024

$42,980 (+1.7%)

$2,406,018 + $1,421,738

$3,827,756

2023

$42,265 (+1.5%)

$2,358,842 + $1,393,861

$3,752,703

2022

$41,626 (+3.0%)

$2,312,591 + $1,366,531

$3,679,122

2021

$40,422 (−0.6%)

$2,267,247 + $1,339,737

$3,606,984

2020

$40,679 (+63.9%)

$2,222,792 + $1,313,468

$3,536,260

2019

$24,817 (+3.7%)

$2,200,000 + $1,300,000

$3,500,000

2018

$23,940 (+1.7%)

$1,191,885 + $890,571

$2,082,456

2017

$23,529 (+1.8%)

$1,145,603 + $855,990

$2,001,593

2016

$23,111 (+2.8%)

$1,145,603 + $855,990

$2,001,593

2015

$22,491 (+0.8%)

$1,123,141 + $839,206

$1,962,347

2014

$22,313 (+1.1%)

$1,084,601 + $810,410

$1,895,011

2013

$22,072 (+3.1%)

$1,084,601 + $810,410

$1,895,011

2012

$21,414 (+4.6%)

$1,079,700 + $806,748

$1,886,448

2011

$20,473 (+8.1%)

$1,058,530 + $790,930

$1,849,460

2010

$18,941 (+1.6%)

$1,037,775 + $718,069

$1,755,844

2009

$18,640 (+7.5%)

$1,030,019 + $603,584

$1,633,603

2008

$17,341

$1,032,466 + $580,546

$1,613,012

Tax history for 3660 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$43,712 (+1.7%)

$2,454,138 + $1,450,172

$3,904,310

2024

$42,980 (+1.7%)

$2,406,018 + $1,421,738

$3,827,756

2023

$42,265 (+1.5%)

$2,358,842 + $1,393,861

$3,752,703

2022

$41,626 (+3.0%)

$2,312,591 + $1,366,531

$3,679,122

2021

$40,422 (−0.6%)

$2,267,247 + $1,339,737

$3,606,984

2020

$40,679 (+63.9%)

$2,222,792 + $1,313,468

$3,536,260

2019

$24,817 (+3.7%)

$2,200,000 + $1,300,000

$3,500,000

2018

$23,940 (+1.7%)

$1,191,885 + $890,571

$2,082,456

2017

$23,529 (+1.8%)

$1,145,603 + $855,990

$2,001,593

2016

$23,111 (+2.8%)

$1,145,603 + $855,990

$2,001,593

2015

$22,491 (+0.8%)

$1,123,141 + $839,206

$1,962,347

2014

$22,313 (+1.1%)

$1,084,601 + $810,410

$1,895,011

2013

$22,072 (+3.1%)

$1,084,601 + $810,410

$1,895,011

2012

$21,414 (+4.6%)

$1,079,700 + $806,748

$1,886,448

2011

$20,473 (+8.1%)

$1,058,530 + $790,930

$1,849,460

2010

$18,941 (+1.6%)

$1,037,775 + $718,069

$1,755,844

2009

$18,640 (+7.5%)

$1,030,019 + $603,584

$1,633,603

2008

$17,341

$1,032,466 + $580,546

$1,613,012

*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

0.69 Acres

Year renovated

2000

Sq. Ft.

5,235

Year built

1954

Style

Single Family Residential

County

Contra Costa County

APN

2441600042

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2026.

Aug 10, 2020 • Final

Building/residential/al/alteration

Renovate the existing dining room roof and the balcony roof deck for the second bedroom. Replace windows and doors.

Remodel

Jul 1, 2019 • Final

Building/residential/ad/single family addition

Construct a new addition including a garage with a master bedroom and bathroom above, connected to the house by a breezeway. Expand the entry area, reconfigure the office sliding glass door, and install a new fireplace.

Addition

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, RV/Boat Parking, Secured, Guest, Garage Door Opener

Interior

Virtual Tour

Bathroom Information
# of Bathrooms Total: 7
# of Bathrooms Full: 6
# of Bathrooms Partial: 1
Other Bathrooms Included Features: Stall Shower, Tile
Primary Bathroom Included Features: Stall Shower, Tile, Tub with Jets, Updated Baths

Interior Features
Interior Features: Dining Area, Family Room, Formal Dining Room, Kitchen/Family Combo, Breakfast Bar, Breakfast Nook, Stone Counters, Kitchen Island, Pantry
Appliances: Dishwasher, Double Oven, Electric Range, Disposal, Plumbed For Ice Maker, Microwave, Oven, Range, Refrigerator, Gas Water Heater
Laundry Features: 220 Volt Outlet, Laundry Room
Upper Level Features: 4 Bedrooms, Primary Bedrm Retreat, Laundry Facility
Street Level Features: 1 Bedroom, 2.5 Baths, Main Entry
Window Features: Double Pane Windows, Window Coverings, Skylight(s)
Fireplaces Total: 2
Has Fireplace
Flooring: Hardwood, Tile, Carpet

Room Information
Kitchen Features: 220 Volt Outlet,Breakfast Bar,Breakfast Nook,Counter - Stone,Dishwasher,Double Oven,Electric Range/Cooktop,Garbage Disposal,Ice Maker Hookup,Island,Microwave,Oven Built-in,Pantry,Range/Oven Built-in,Refrigerator
Rooms Total: 13
Fireplace Features: Family Room, Insert, Gas Starter, Stone
Basement: Crawl Space

Exterior

Building Information
Construction Materials: Stone, Stucco
Building Area Total: 5,235
Foundation Details: Raised, Slab

Exterior Features
Patio And Porch Features: Deck, Patio, Covered
Exterior Features: Back Yard, Front Yard, Garden/Play, Sprinklers Automatic, Sprinklers Back, Sprinklers Front
Fencing: Fenced
Roof: Shingle

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

Property Information
Living Area: 5235
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1954

Lot Information
Other Structures: Shed(s)
Lot Size Square Feet: 30056
Lot Size Area: 0.69
Lot Size Units: Acres
Lot Size Acres: 0.69
Lot Features: Level, Premium Lot, Secluded

Utilities

Utility Information
Water Source: Public
Electric: 220 Volts in Kitchen
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Zoned
Cooling: Ceiling Fan(s), Zoned

Location

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

Public facts

Beds: 5
Baths: 7.0
Sq. Ft.: 5,235
Stories: 2.0
Lot Size: 0.69 acres
Style: Single Family Residential
Year Built: 1954
Year Renovated: 2000
County: Contra Costa County
APN: 2441600042

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Happy Valley Elementary School

Public K-5 • Assigned • 1.0mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 1.0mi

8/10

Acalanes High School

Public 9-12 • Assigned • 1.7mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

8/10 Flood Factor

Estimated 80%+ chance of a flood reaching the building in the next 30 years

3/10 Fire Factor

0.77% chance of being in a wildfire in next 30 years

3/10 Heat Factor

7 days above 93° 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

$4.11M – $4.98M

Reach more buyers when you sell with Redfin. Save up to $43,303 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

OPEN TODAY, 1PM TO 4PM

$2,295,000

4 beds3.5 baths4,015 sq ft

65 Bates Blvd, Orinda, CA 94563

OPEN TODAY, 12PM TO 4PM

$2,100,000

4 beds2.5 baths2,086 sq ft

829 Reliez Station Rd, Lafayette, CA 94549

OPEN TODAY, 2PM TO 4PM

$2,995,000

4 beds3.5 baths4,076 sq ft

2 Reliez Manor Ct, Lafayette, CA 94549

3D WALKTHROUGH

$5,495,000

4 beds4 baths4,131 sq ft

694 Los Palos Dr, Lafayette, CA 94549

$700,000

Land— sq ft

3541 Old Mountain View Dr, Lafayette, CA 94549

OPEN TODAY, 12PM TO 4PM

$1,650,000

3 beds2 baths2,326 sq ft

783 Moraga Rd, Lafayette, CA 94549

New listings for sale in 94549

OPEN TODAY, 1PM TO 4PM

$825,000

2 beds1.5 baths1,038 sq ft

917 Hough Ave #9, Lafayette, CA 94549

COMING SOON

$2,498,000

5 beds3.5 baths4,350 sq ft

857A Mountain View Dr, Lafayette, CA 94549

OPEN TODAY, 12PM TO 4PM

$2,100,000

4 beds2.5 baths2,086 sq ft

829 Reliez Station Rd, Lafayette, CA 94549

OPEN TODAY, 1PM TO 4PM

$1,587,000

4 beds3 baths2,392 sq ft

16 Ruth Ct, Lafayette, CA 94549

OPEN TODAY, 1PM TO 4PM

$1,925,000

4 beds3 baths2,228 sq ft

859 Mountain View Dr, Lafayette, CA 94549

OPEN TODAY, 2PM TO 4PM

$2,495,000

3 beds3 baths2,686 sq ft

1232 Upper Happy Vly, Lafayette, CA 94549

OPEN TODAY, 1PM TO 4PM

$2,195,000

3 beds2 baths1,658 sq ft

210 Lafayette Cir #302, Lafayette, CA 94549

OPEN TODAY, 1PM TO 4PM

$3,999,000

4 beds3.5 baths4,114 sq ft

3647 Happy Valley Rd, Lafayette, CA 94549

OPEN TODAY, 2PM TO 4PM

$2,995,000

4 beds3.5 baths4,076 sq ft

2 Reliez Manor Ct, Lafayette, CA 94549

Home values near 3660 Happy Valley Rd

Data from public records.

Address	Redfin Estimate
3670 Happy Valley Road, Lafayette, CA 3 Beds \| 3 Baths \| 2713 Sq. Ft.	$3,435,372
3666 Happy Valley Road, Lafayette, CA 6 Beds \| 7.5 Baths \| 6890 Sq. Ft.	$6,249,623

Address	Redfin Estimate
3667 Happy Valley Road, Lafayette, CA 4 Beds \| 4 Baths \| 2515 Sq. Ft.	$2,702,110
3664 Happy Valley Road, Lafayette, CA 4 Beds \| 3 Baths \| 2906 Sq. Ft.	$2,810,819

Address	Redfin Estimate
3653 Happy Valley Road, Lafayette, CA 4 Beds \| 4 Baths \| 2984 Sq. Ft.	$2,990,713
3656 Happy Valley Road, Lafayette, CA 5 Beds \| 5 Baths \| 7000 Sq. Ft.	$5,200,040

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2019. 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 3660 Happy Valley Rd

Tax history for 3660 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 3660 Happy Valley Rd

More real estate resources