OFF MARKET

Off Market May 2022 for $4.3M

$3,961,027

Est. refi paymentEst. refi $28,128/mo

•

3,866

sq ft

3840 Happy Valley Rd, Lafayette, CA 94549

About this home

Tucked behind a gate in the heart of Happy Valley, this timeless home features stunning living spaces surrounded by manicured gardens. With Carmel charm, a tree-lined path leads to the light-filled entry hall and spacious living room. The single-story floorplan with wonderful indoor/outdoor living flows features an updated kitchen designed for serious chefs as well as casual dining and is adjacent to the family room. The park-like yard is a gardener’s dream, with spaces for entertaining as well as everyday enjoyment. Wander along the sparkling pool past the bright pink Azaleas to two turf lawns, mature landscaping, inviting brick patios, and gated garden with raised beds. This rare, gated enclave with 5 homes offers a prestigious setting perfectly paired with a magical neighborhood feel. The ideal location is within steps of Happy Valley Elementary, downtown shops and restaurants, BART, Hwy. 24/680, top-rated schools, Oakwood Athletic Club & the Lafayette Reservoir and Rim Trail.

Single-familyProperty Type

1947Year Built

0.78 acresLot Size

$1,025Est. Price/Sq.Ft.

2 car garageParking

Listed by Dana Green •DRE #01482454 • Compass

Bought with Meredith Peterson •DRE #01310587 • Compass

Redfin checked: 2 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40990129

Redfin Estimate

$3,961,027

$344K since sold in May 2022$14K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.5% higher than the average sale price ($3.79M) of 6 comparable homes.

SOLD AUG 26, 2026
$4,800,000
A
4 beds3.5 baths4,033 sq ft
3954 S Peardale Dr, Lafayette, CA 94549
SOLD JUL 27, 2026
$2,800,000
B
5 beds3.5 baths3,169 sq ft
1038 Pine Ln, Lafayette, CA 94549
SOLD AUG 21, 2026
$4,250,000
C
4 beds3.5 baths3,399 sq ft
3814 Happy Valley Rd, Lafayette, CA 94549
SOLD JUL 9, 2026
$4,800,000
D
4 beds3.5 baths4,511 sq ft
1165 Glen Rd, Lafayette, CA 94549
SOLD OCT 6, 2025
$3,275,000
E
4 beds3.5 baths3,622 sq ft
1257 Panorama Dr, Lafayette, CA 94549
SOLD JUN 12, 2026
$2,810,000
F
4 beds3.5 baths2,442 sq ft
1125 Glen Rd, Lafayette, CA 94549

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Earn from this home

Sell

$595,073

Est. take-home

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Refinance

Est. cash available

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Rent

$9,583/mo

Redfin rental estimate

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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 5 HRS AGO
$1,495,000
4 beds2.5 baths2,473 sq ft
499 Silverado Dr, Lafayette, CA 94549
NEW 9 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 26 HRS AGO
$12,000,000
5 beds5.5 baths6,924 sq ft
1232 Rose Ln, Lafayette, CA 94549
NEW 29 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 3840 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$43,954 (+1.1%)

$3,200,000 + $650,000

$3,850,000

2024

$43,494 (−13.1%)

$3,000,000 + $850,000

$3,850,000

2023

$50,043 (+175.6%)

$2,800,000 + $1,000,000

$3,800,000

2022

$18,159 (+3.0%)

$3,371,100 + $1,020,000

$4,391,100

2021

$17,634 (−0.3%)

$811,585 + $664,340

$1,475,925

2020

$17,685 (+2.7%)

$795,672 + $651,314

$1,446,986

2019

$17,226 (+3.7%)

$787,514 + $644,636

$1,432,150

2018

$16,620 (+1.7%)

$772,073 + $631,997

$1,404,070

2017

$16,335 (+1.9%)

$742,094 + $607,456

$1,349,550

2016

$16,033 (+2.8%)

$742,094 + $607,456

$1,349,550

2015

$15,600 (+0.9%)

$727,544 + $595,546

$1,323,090

2014

$15,465 (+1.2%)

$702,579 + $575,111

$1,277,690

2013

$15,288 (+3.1%)

$702,579 + $575,111

$1,277,690

2012

$14,830 (+49.4%)

$699,404 + $572,512

$1,271,916

2011

$9,924 (+2.8%)

$685,691 + $561,287

$1,246,978

2010

$9,656 (+0.8%)

$246,384 + $550,282

$796,666

2009

$9,579 (+1.7%)

$244,543 + $546,170

$790,713

2008

$9,416

$245,124 + $547,468

$792,592

Tax history for 3840 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$43,954 (+1.1%)

$3,200,000 + $650,000

$3,850,000

2024

$43,494 (−13.1%)

$3,000,000 + $850,000

$3,850,000

2023

$50,043 (+175.6%)

$2,800,000 + $1,000,000

$3,800,000

2022

$18,159 (+3.0%)

$3,371,100 + $1,020,000

$4,391,100

2021

$17,634 (−0.3%)

$811,585 + $664,340

$1,475,925

2020

$17,685 (+2.7%)

$795,672 + $651,314

$1,446,986

2019

$17,226 (+3.7%)

$787,514 + $644,636

$1,432,150

2018

$16,620 (+1.7%)

$772,073 + $631,997

$1,404,070

2017

$16,335 (+1.9%)

$742,094 + $607,456

$1,349,550

2016

$16,033 (+2.8%)

$742,094 + $607,456

$1,349,550

2015

$15,600 (+0.9%)

$727,544 + $595,546

$1,323,090

2014

$15,465 (+1.2%)

$702,579 + $575,111

$1,277,690

2013

$15,288 (+3.1%)

$702,579 + $575,111

$1,277,690

2012

$14,830 (+49.4%)

$699,404 + $572,512

$1,271,916

2011

$9,924 (+2.8%)

$685,691 + $561,287

$1,246,978

2010

$9,656 (+0.8%)

$246,384 + $550,282

$796,666

2009

$9,579 (+1.7%)

$244,543 + $546,170

$790,713

2008

$9,416

$245,124 + $547,468

$792,592

*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

0.78 Acres

Year renovated

1995

Sq. Ft.

3,866

Year built

1947

Style

Single Family Residential

County

Contra Costa County

APN

2461000263

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2026.

Apr 29, 2020 • Final

Building - residential electrical

Replace and relocate the main electrical service panel to meet current gas meter clearance requirements. Install a new main electrical service with distribution to address overheating issues.

Electrical

Nov 26, 2019 • Final

Building - residential solar photovoltaic

Install a roof-mounted solar system on a residential building.

Electrical

Solar

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: 2
Has Carport
Covered Spaces: 2
Parking Features: Attached, Carport, Int Access From Garage

Interior

Virtual Tour

Bathroom Information
# of Bathrooms Total: 4
# of Bathrooms Full: 3
# of Bathrooms Partial: 1
Other Bathrooms Included Features: Shower Over Tub, Solid Surface, Tile, Updated Baths, Double Sinks, Window
Primary Bathroom Included Features: Solid Surface, Stall Shower, Tile, Updated Baths, Double Sinks, Walk-In Closet, Window, Walk-In Closet 2+

Interior Features
Interior Features: Formal Dining Room, Kitchen/Family Combo, Breakfast Bar, Breakfast Nook, Counter - Solid Surface, Eat-in Kitchen, Kitchen Island, Updated Kitchen
Appliances: Dishwasher, Disposal, Microwave, Range, Refrigerator, Gas Water Heater
Laundry Features: Dryer, Laundry Room, Washer, Cabinets, Sink
Street Level Features: 5 Bedrooms, 3.5 Baths, Laundry Facility, Main Entry
Fireplaces Total: 2
Has Fireplace
Flooring: Hardwood, Tile, Carpet

Room Information
Kitchen Features: Breakfast Bar,Breakfast Nook,Counter - Solid Surface,Dishwasher,Eat In Kitchen,Garbage Disposal,Island,Microwave,Range/Oven Built-in,Refrigerator,Updated Kitchen
Rooms Total: 10
Fireplace Features: Brick, Family Room, Insert, Living Room, Raised Hearth, Wood Burning

Exterior

Building Information
Construction Materials: Wood Siding
Building Area Total: 3,866
Foundation Details: Raised

Exterior Features
Patio And Porch Features: Patio
Exterior Features: Garden, Back Yard, Front Yard, Garden/Play, Side Yard, Entry Gate, Landscape Back, Landscape Front, Landscape Misc
Fencing: Partial Fence
Roof: Shingle

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

Property Information
Living Area: 3866
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1947

Lot Information
Other Structures: Shed(s)
Lot Size Square Feet: 33846
Lot Size Area: 0.78
Lot Size Units: Acres
Lot Size Acres: 0.78
Lot Features: Court, Level, Premium Lot, Front Yard, Landscape Front, Security Gate, Landscape Back, Landscape Misc

Utilities

Utility Information
Water Source: Public
Electric: Photovoltaics Seller Owned
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Zoned, Fireplace(s)
Cooling: Zoned

Location

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

Public facts

Beds: 3
Baths: 4.0
Sq. Ft.: 3,866
Stories: 1.0
Lot Size: 0.78 acres
Style: Single Family Residential
Year Built: 1947
Year Renovated: 1995
County: Contra Costa County
APN: 2461000263

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Happy Valley Elementary School

Public K-5 • Assigned • 0.1mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 2.0mi

8/10

Acalanes High School

Public 9-12 • Assigned • 2.4mi

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 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

$3.76M – $4.56M

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Land— sq ft

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Home values near 3840 Happy Valley Rd

Data from public records.

Address	Redfin Estimate
3862 Happy Valley Road, Lafayette, CA 5 Beds \| 5 Baths \| 3832 Sq. Ft.	$3,242,231
3827 Happy Valley Road, Lafayette, CA 3 Beds \| 3 Baths \| 3165 Sq. Ft.	$2,836,078

Address	Redfin Estimate
3830 Happy Valley Road, Lafayette, CA 4 Beds \| 3 Baths \| 3718 Sq. Ft.	$3,683,131
3848 Happy Valley Road, Lafayette, CA 5 Beds \| 4.5 Baths \| 3940 Sq. Ft.	$4,096,283

Address	Redfin Estimate
3838 Happy Valley Road, Lafayette, CA 4 Beds \| 3 Baths \| 3926 Sq. Ft.	$3,540,046
3820 Happy Valley Road, Lafayette, CA 6 Beds \| - Baths \| 9281 Sq. Ft.	$9,302,842

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2022. 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 3840 Happy Valley Rd

Tax history for 3840 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 3840 Happy Valley Rd

More real estate resources