OFF MARKET

Off Market Mar 2008 for $3.6M

$5,406,157

Est. refi paymentEst. refi $12,439/mo

•

4,300

sq ft

3959 Happy Valley Rd, Lafayette, CA 94549

About this home

Single-familyProperty Type

1950Year Built

1.1 acresLot Size

$1,257Est. Price/Sq.Ft.

3 car garageParking

Listed by Traci Miller •DRE #01038042 • Pacific Union International

Bought with Nancy Rothman •DRE #01016626 • Pacific Union International

Redfin checked: 3 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40283184

Redfin Estimate

$5,406,157

$1.8M since sold in March 2008$50K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 38.4% higher than the average sale price ($3.91M) of 6 comparable homes.

SOLD NOV 14, 2025
$4,250,000
A
4 beds4.5 baths4,502 sq ft
1133 Estates Dr, Lafayette, CA 94549
SOLD SEP 4, 2025
$3,700,000
B
4 beds4.5 baths4,640 sq ft
1121 Estates 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 APR 20, 2026
$4,200,000
D
4 beds4.5 baths4,418 sq ft
1161 Oleander Dr, Lafayette, CA 94549
SOLD JUN 25, 2026
$3,195,000
E
4 beds4.5 baths3,110 sq ft
18 Saint James Ct, Orinda, CA 94563
SOLD MAY 15, 2026
$3,300,000
F
4 beds4 baths3,530 sq ft
1122 Via Media, Lafayette, CA 94549

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Earn from this home

Sell

$3,604,334

Est. take-home

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Refinance

Est. cash available

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Rent

$10,048/mo

Redfin rental estimate

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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
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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
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See all

Provided by Redfin

Sale history for 3959 Happy Valley Rd

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #40283184

Mar 25, 2008

Sold

$3,605,000

$838/sq ft

Feb 25, 2008

Listing Removed

—

Jan 14, 2008

Price Changed

$3,875,000

$901/sq ft

Aug 23, 2007

Price Changed

$4,175,000

$971/sq ft

Jul 14, 2007

Listed

$4,475,000

$1,041/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #40156333

May 25, 2006

Sold

$2,125,000

$494/sq ft

Apr 25, 2006

Listing Removed

—

Apr 8, 2006

Listed

$2,150,000

$500/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$45,841 (+8.3%)

$1,800,000 + $2,200,000

$4,000,000

2024

$42,330 (+5.2%)

$1,800,000 + $2,200,000

$4,000,000

2023

$40,232 (+5.4%)

$1,700,000 + $2,000,000

$3,700,000

2022

$38,180 (+2.5%)

$1,649,236 + $1,850,764

$3,500,000

2021

$37,234 (+1.4%)

$1,800,000 + $1,500,000

$3,300,000

2020

$36,722 (−0.1%)

$1,500,000 + $1,750,000

$3,250,000

2019

$36,762 (+4.9%)

$1,486,356 + $1,663,644

$3,150,000

2018

$35,038 (+4.8%)

$1,486,356 + $1,663,644

$3,150,000

2017

$33,441 (+3.5%)

$1,400,000 + $1,500,000

$2,900,000

2016

$32,297 (+1.3%)

$1,400,000 + $1,500,000

$2,900,000

2015

$31,893 (+4.8%)

$1,317,430 + $1,474,570

$2,792,000

2014

$30,421 (+6.1%)

$1,255,666 + $1,370,334

$2,626,000

2013

$28,685 (+8.2%)

$1,255,666 + $1,370,334

$2,626,000

2012

$26,507 (−18.5%)

$1,188,484 + $1,297,016

$2,485,500

2011

$32,507 (−15.3%)

$1,156,144 + $1,159,356

$2,315,500

2010

$38,398

$1,423,024 + $1,426,976

$2,850,000

2009

$38,378 (+38.7%)

$1,697,643 + $1,702,357

$3,400,000

2008

$27,676

$1,697,643 + $1,702,357

$3,400,000

Tax history for 3959 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$45,841 (+8.3%)

$1,800,000 + $2,200,000

$4,000,000

2024

$42,330 (+5.2%)

$1,800,000 + $2,200,000

$4,000,000

2023

$40,232 (+5.4%)

$1,700,000 + $2,000,000

$3,700,000

2022

$38,180 (+2.5%)

$1,649,236 + $1,850,764

$3,500,000

2021

$37,234 (+1.4%)

$1,800,000 + $1,500,000

$3,300,000

2020

$36,722 (−0.1%)

$1,500,000 + $1,750,000

$3,250,000

2019

$36,762 (+4.9%)

$1,486,356 + $1,663,644

$3,150,000

2018

$35,038 (+4.8%)

$1,486,356 + $1,663,644

$3,150,000

2017

$33,441 (+3.5%)

$1,400,000 + $1,500,000

$2,900,000

2016

$32,297 (+1.3%)

$1,400,000 + $1,500,000

$2,900,000

2015

$31,893 (+4.8%)

$1,317,430 + $1,474,570

$2,792,000

2014

$30,421 (+6.1%)

$1,255,666 + $1,370,334

$2,626,000

2013

$28,685 (+8.2%)

$1,255,666 + $1,370,334

$2,626,000

2012

$26,507 (−18.5%)

$1,188,484 + $1,297,016

$2,485,500

2011

$32,507 (−15.3%)

$1,156,144 + $1,159,356

$2,315,500

2010

$38,398

$1,423,024 + $1,426,976

$2,850,000

2009

$38,378 (+38.7%)

$1,697,643 + $1,702,357

$3,400,000

2008

$27,676

$1,697,643 + $1,702,357

$3,400,000

*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

1.1 Acres

Year renovated

1980

Sq. Ft.

4,408

Year built

1950

Style

Single Family Residential

County

Contra Costa County

APN

2461600021

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2026.

Jul 22, 2025 • Final

Building/residential/cg/carport garage

Construct a new detached garage featuring an unconditioned recreation room. The project includes exterior stucco and the installation of a bar sink.

Addition

Grading

Jul 22, 2025 • Final

Building/residential/r/adu-2nd unit

Construct a new detached accessory dwelling unit on an existing property. Install fire sprinklers and a solar photovoltaic system. All construction must comply with ember-resistant standards for high fire hazard severity zones.

ADU

Electrical

Fire sprinkler

New construction

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
Garage Spaces: 3
Covered Spaces: 3
Parking Features: Detached, Garage Door Opener

Interior

Bathroom Information
# of Bathrooms Total: 6
# of Bathrooms Full: 4
# of Bathrooms Partial: 2
Other Bathrooms Included Features: Shower Over Tub, Stall Shower, Tile, Tub, Updated Baths
Primary Bathroom Included Features: Stall Shower, Tub, Updated Baths

Interior Features
Interior Features: Den, Dining Area, Family Room, Library, Office, Storage, Study, Breakfast Bar, Stone Counters, Eat-in Kitchen, Kitchen Island, Updated Kitchen
Appliances: Dishwasher, Double Oven, Electric Range, Disposal, Gas Range, Plumbed For Ice Maker, Microwave, Oven, Range, Refrigerator, Self Cleaning Oven, Dryer, Washer, Electric Water Heater
Laundry Features: 220 Volt Outlet, Dryer, Gas Dryer Hookup, Laundry Closet, Laundry Room
Street Level Features: 4 Bedrooms, 0.5 Bath, 4 Baths, Laundry Facility
Fireplaces Total: 3
Has Fireplace
Flooring: Hardwood, Tile, Carpet, Wood

Room Information
Kitchen Features: 220 Volt Outlet,Breakfast Bar,Counter - Stone,Dishwasher,Double Oven,Eat In Kitchen,Electric Range/Cooktop,Garbage Disposal,Gas Range/Cooktop,Ice Maker Hookup,Island,Microwave,Oven Built-in,Range/Oven Built-in,Refrigerator,Self-Cleaning Oven,Updated Kitchen
Rooms Total: 10
Fireplace Features: Brick, Den, Living Room, Stone, Wood Burning

Exterior

Building Information
Construction Materials: Brick, Stucco
Building Area Total: 4,300
Foundation Details: Raised, Slab

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

Pool Information
Pool Features: Gunite, In Ground, No Heat, Pool Sweep
Has Private Pool

Property Information
Living Area: 4300
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1950

Lot Information
Other Structures: Guest House
Lot Size Square Feet: 47916
Lot Size Area: 1.1
Lot Size Units: Acres
Lot Size Acres: 1.1
Lot Features: Level, Premium Lot

Utilities

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

Heating & Cooling
Has Heating
Heating: Forced Air, Natural Gas
Cooling: Central Air

Location

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

Public facts

Beds: 4
Baths: 5.0
Sq. Ft.: 4,408
Stories: 1.0
Lot Size: 1.1 acres
Style: Single Family Residential
Year Built: 1950
Year Renovated: 1980
County: Contra Costa County
APN: 2461600021

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Happy Valley Elementary School

Public K-5 • Assigned • 0.4mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 2.3mi

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

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

$5.14M – $6.22M

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Home values near 3959 Happy Valley Rd

Data from public records.

Address	Redfin Estimate
3915 Happy Valley Rd, Lafayette, CA 6 Beds \| 6.5 Baths \| 6940 Sq. Ft.	$9,697,281
3938 Happy Valley Rd, Lafayette, CA 5 Beds \| 5.5 Baths \| - Sq. Ft.	$4,395,234

Address	Redfin Estimate
3955 Happy Valley Rd, Lafayette, CA 7 Beds \| 8.5 Baths \| 13737 Sq. Ft.	$7,362,693
3936 Happy Valley Rd, Lafayette, CA 5 Beds \| 5.5 Baths \| 4937 Sq. Ft.	$6,337,088

Address	Redfin Estimate
3957 Happy Valley Rd, Lafayette, CA 4 Beds \| 3 Baths \| 3440 Sq. Ft.	$3,865,312
3937 Happy Valley Rd, Lafayette, CA 3 Beds \| 5 Baths \| 4208 Sq. Ft.	$6,937,410

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2007. 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 3959 Happy Valley Rd

Tax history for 3959 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 3959 Happy Valley Rd

More real estate resources