OFF MARKET

Off Market May 2012 for $1.8M

$3,472,471

Est. refi paymentEst. refi $12,087/mo

•

3,796

sq ft

4109 Happy Valley Rd, Lafayette, CA 94549

About this home

Single-familyProperty Type

1978Year Built

1.24 acresLot Size

$915Est. Price/Sq.Ft.

2 car garageParking

Listed by Nancy Rothman •DRE #01016626 • Pacific Union International

Bought with Dan Weil •DRE #01109700 • Village Associates Real Estate

Redfin checked: a minute ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40568874

Redfin Estimate

$3,472,471

$1.6M since sold in May 2012$117K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.3% higher than the average sale price ($3.46M) 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 MAR 30, 2026
$3,400,000
C
4 beds4 baths3,463 sq ft
147 Amber Valley Dr, Orinda, CA 94563
SOLD JUN 10, 2026
$1,630,000
D
4 beds3 baths2,420 sq ft
742 Miner Rd, Orinda, CA 94563
SOLD AUG 24, 2026
$3,800,000
E
4 beds3 baths3,125 sq ft
18 Sycamore Rd, Orinda, CA 94563
SOLD JUN 25, 2026
$2,900,000
F
5 beds3.5 baths3,620 sq ft
41 Kellie Ann Ct, Orinda, CA 94563

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Earn from this home

Sell

$2,306,166

Est. take-home

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Refinance

Est. cash available

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Rent

$9,626/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

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OPEN SAT, 2PM TO 4PM
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3 beds2 baths1,820 sq ft
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OPEN SAT, 1PM TO 4PM
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5 beds3.5 baths4,075 sq ft
20 Northridge Ln, Lafayette, CA 94549
NEW 25 HRS AGO
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5 beds5.5 baths6,924 sq ft
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NEW 28 HRS AGO
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2 beds1 bath888 sq ft
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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
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(415) 660-9955
OPEN SAT, 1PM TO 4PM
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See all

Provided by Redfin

Sale history for 4109 Happy Valley Rd

Date

Event

Price

Public Records

May 15, 2012

Sold

$1,850,000

$487/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #40568874

May 16, 2012

Sold

—

Apr 16, 2012

Pending

—

Apr 6, 2012

Listed

$1,795,000

$473/sq ft

Public Records

Jun 23, 1998

Sold

$967,500

$255/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #10239497

Jun 24, 1998

Listing Removed

—

Feb 23, 1998

Sold

$967,000

$255/sq ft

Jun 24, 1997

Listed

$998,500

$263/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #27239497

May 23, 1998

Sold

$967,000

$255/sq ft

Feb 23, 1998

Listing Removed

—

Jun 24, 1997

Listed

$998,500

$263/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$27,313 (+1.7%)

$1,217,112 + $1,153,052

$2,370,164

2024

$26,851 (+1.7%)

$1,193,248 + $1,130,444

$2,323,692

2023

$26,395 (+1.5%)

$1,169,851 + $1,108,279

$2,278,130

2022

$25,993 (+3.0%)

$1,146,913 + $1,086,549

$2,233,462

2021

$25,241 (−0.5%)

$1,124,425 + $1,065,245

$2,189,670

2020

$25,360 (+2.2%)

$1,102,378 + $1,044,358

$2,146,736

2019

$24,824 (+3.7%)

$1,091,075 + $1,033,650

$2,124,725

2018

$23,946 (+1.7%)

$1,069,682 + $1,013,383

$2,083,065

2017

$23,536 (+1.8%)

$1,028,146 + $974,033

$2,002,179

2016

$23,117 (+2.8%)

$1,028,146 + $974,033

$2,002,179

2015

$22,497 (+0.8%)

$1,007,987 + $954,935

$1,962,922

2014

$22,319 (+1.1%)

$973,399 + $922,167

$1,895,566

2013

$22,078 (+53.7%)

$973,399 + $922,167

$1,895,566

2012

$14,365 (+1.5%)

$969,000 + $918,000

$1,887,000

2011

$14,149 (+2.1%)

$603,846 + $600,550

$1,204,396

2010

$13,856 (+0.4%)

$592,006 + $588,775

$1,180,781

2009

$13,800 (+1.8%)

$587,582 + $584,375

$1,171,957

2008

$13,562

$588,978 + $585,764

$1,174,742

Tax history for 4109 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$27,313 (+1.7%)

$1,217,112 + $1,153,052

$2,370,164

2024

$26,851 (+1.7%)

$1,193,248 + $1,130,444

$2,323,692

2023

$26,395 (+1.5%)

$1,169,851 + $1,108,279

$2,278,130

2022

$25,993 (+3.0%)

$1,146,913 + $1,086,549

$2,233,462

2021

$25,241 (−0.5%)

$1,124,425 + $1,065,245

$2,189,670

2020

$25,360 (+2.2%)

$1,102,378 + $1,044,358

$2,146,736

2019

$24,824 (+3.7%)

$1,091,075 + $1,033,650

$2,124,725

2018

$23,946 (+1.7%)

$1,069,682 + $1,013,383

$2,083,065

2017

$23,536 (+1.8%)

$1,028,146 + $974,033

$2,002,179

2016

$23,117 (+2.8%)

$1,028,146 + $974,033

$2,002,179

2015

$22,497 (+0.8%)

$1,007,987 + $954,935

$1,962,922

2014

$22,319 (+1.1%)

$973,399 + $922,167

$1,895,566

2013

$22,078 (+53.7%)

$973,399 + $922,167

$1,895,566

2012

$14,365 (+1.5%)

$969,000 + $918,000

$1,887,000

2011

$14,149 (+2.1%)

$603,846 + $600,550

$1,204,396

2010

$13,856 (+0.4%)

$592,006 + $588,775

$1,180,781

2009

$13,800 (+1.8%)

$587,582 + $584,375

$1,171,957

2008

$13,562

$588,978 + $585,764

$1,174,742

*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

1.24 Acres

Year renovated

1990

Sq. Ft.

3,796

Year built

1978

Style

Single Family Residential

County

Contra Costa County

APN

2470100245

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2026.

Jan 11, 2021 • Final

Building - residential electrical

Install a whole house generator and an automatic transfer switch with a connection to natural gas.

Electrical

Gas

Generator

Nov 12, 2015 • Final

Building/residential/al/alteration

Bathroom

Kitchen

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: 2
Covered Spaces: 2
Parking Features: Attached, Int Access From Garage, Garage Door Opener

Interior

Virtual Tour

Bathroom Information
# of Bathrooms Total: 4
# of Bathrooms Full: 3
# of Bathrooms Partial: 1
Other Bathrooms Included Features: Shower Over Tub, Stall Shower, Tile, Tub with Jets
Primary Bathroom Included Features: Sauna, Skylight, Stall Shower, Tub with Jets

Interior Features
Interior Features: Family Room, Formal Dining Room, Office, Breakfast Bar, Stone Counters, Eat-in Kitchen, Kitchen Island, Updated Kitchen
Appliances: Dishwasher, Double Oven, Disposal, Gas Range, Microwave, Free-Standing Range, Refrigerator, Self Cleaning Oven, Dryer, Washer, Gas Water Heater
Laundry Features: Dryer, Laundry Room, Washer
Street Level Features: 4 Bedrooms, 3.5 Baths, Primary Bedrm Suite - 1, Laundry Facility, Main Entry
Window Features: Double Pane Windows, Window Coverings
Fireplaces Total: 2
Has Fireplace
Flooring: Hardwood, Tile, Carpet

Room Information
Kitchen Features: Breakfast Bar,Counter - Stone,Dishwasher,Double Oven,Eat In Kitchen,Garbage Disposal,Gas Range/Cooktop,Island,Microwave,Range/Oven Free Standing,Refrigerator,Self-Cleaning Oven,Updated Kitchen
Rooms Total: 10
Fireplace Features: Gas Starter, Living Room
Basement: Crawl Space

Exterior

Building Information
Construction Materials: Stucco
Building Area Total: 3,796

Exterior Features
Patio And Porch Features: Deck
Exterior Features: Back Yard, Sprinklers Automatic
Fencing: Fenced

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

Property Information
Living Area: 3796
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1978

Lot Information
Lot Size Square Feet: 54014
Lot Size Area: 1.24
Lot Size Units: Acres
Lot Size Acres: 1.24
Lot Features: Regular

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Zoned
Cooling: Zoned

Location

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

Public facts

Beds: 6
Baths: 4.0
Sq. Ft.: 3,796
Stories: 1.0
Lot Size: 1.24 acres
Style: Single Family Residential
Year Built: 1978
Year Renovated: 1990
County: Contra Costa County
APN: 2470100245

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 • 3.0mi

8/10

Acalanes High School

Public 9-12 • Assigned • 3.5mi

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

1% 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

14 unhealthy days expected this year, 15 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

$3.30M – $3.99M

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Home values near 4109 Happy Valley Rd

Data from public records.

Address	Redfin Estimate
4116 Happy Valley Rd, Lafayette, CA 6 Beds \| 5.5 Baths \| 5200 Sq. Ft.	$3,995,509
4103 Happy Valley Rd, Lafayette, CA 4 Beds \| 2.5 Baths \| 3027 Sq. Ft.	$2,644,795

Address	Redfin Estimate
4100 Happy Valley Rd, Lafayette, CA 4 Beds \| 5 Baths \| 6320 Sq. Ft.	$6,689,973
4130 Happy Valley Rd, Orinda, CA 5 Beds \| 6 Baths \| 5853 Sq. Ft.	$4,572,981

Address	Redfin Estimate
4105 Happy Valley Rd, Lafayette, CA 4 Beds \| 2.5 Baths \| 3086 Sq. Ft.	$2,627,790
4107 Happy Valley Rd, Lafayette, CA 5 Beds \| 5.5 Baths \| 6230 Sq. Ft.	$4,885,810

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2012. 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 4109 Happy Valley Rd

Tax history for 4109 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 4109 Happy Valley Rd

More real estate resources