Google satellite image for 3812 Happy Valley Rd Unit F, Lafayette, CA 94549

Off Market Sep 1980 for $77K

$1,278,977

Est. refi paymentEst. refi $467/mo

•

1 ba

•

1,106

sq ft

3812 Happy Valley Rd Unit F, Lafayette, CA 94549

About this home

3812 Happy Valley Rd Unit F is a 1,106 square foot house on a 0.88 acre lot with 2 bedrooms and 1 bathroom. - it last sold on September 12, 1980 for $77,500. Based on Redfin's Lafayette data, we estimate the home's value is $1,278,977.

Single-familyProperty Type

1953Year Built

0.88 acresLot Size

$1,156Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,278,977

$1.2M since sold in September 1980$71K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 15.3% lower than the average sale price ($1.51M) of 6 comparable homes.

SOLD MAY 22, 2026
$1,215,000
A
2 beds1 bath1,083 sq ft
817 Mariposa Rd, Lafayette, CA 94549
SOLD MAR 3, 2026
$1,649,000
B
3 beds2 baths2,365 sq ft
700 Miner, Orinda, CA 94563
SOLD OCT 27, 2025
$2,051,104
C
3 beds2 baths1,977 sq ft
1104 Via Roble, Lafayette, CA 94549
SOLD AUG 25, 2026
$1,800,000
D
3 beds2 baths1,927 sq ft
4059 Fiora Pl, Lafayette, CA 94549
SOLD JUN 9, 2026
$1,250,000
E
4 beds2 baths1,608 sq ft
3320 Deer Hill Rd, Lafayette, CA 94549
SOLD SEP 10, 2025
$1,100,000
F
3 beds2 baths1,728 sq ft
1133 N Thompson Rd, Lafayette, CA 94549

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Earn from this home

Sell

$1,210,831

Est. take-home

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Est. cash available

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Rent

$3,732/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

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Provided by Redfin

Sale history for 3812 Happy Valley Rd Unit F

Year

Property tax

Land + Additions

Assessment*

2025

$3,341 (+1.6%)

$170,965 + $103,608

$274,573

2024

$3,289 (+1.7%)

$167,613 + $101,577

$269,190

2023

$3,233 (+1.6%)

$164,327 + $99,586

$263,913

2022

$3,182 (+2.9%)

$161,105 + $97,634

$258,739

2021

$3,093 (−0.5%)

$157,947 + $95,720

$253,667

2020

$3,109 (+11.4%)

$154,850 + $93,844

$248,694

2019

$2,792 (+3.6%)

$153,263 + $92,882

$246,145

2018

$2,696 (+1.7%)

$150,258 + $91,061

$241,319

2017

$2,651 (+2.1%)

$144,424 + $87,526

$231,950

2016

$2,597 (+2.6%)

$144,424 + $87,526

$231,950

2015

$2,531 (+0.6%)

$141,593 + $85,810

$227,403

2014

$2,515 (+0.9%)

$136,736 + $82,867

$219,603

2013

$2,493 (+2.9%)

$136,736 + $82,867

$219,603

2012

$2,422 (+4.7%)

$136,119 + $82,493

$218,612

2011

$2,314 (+0.6%)

$133,450 + $80,876

$214,326

2010

$2,300 (−8.0%)

$130,834 + $79,291

$210,125

2009

$2,500 (+1.7%)

$129,857 + $78,699

$208,556

2008

$2,460

$130,166 + $78,886

$209,052

Tax history for 3812 Happy Valley Rd Unit F

Year

Property tax

Land + Additions

Assessment*

2025

$3,341 (+1.6%)

$170,965 + $103,608

$274,573

2024

$3,289 (+1.7%)

$167,613 + $101,577

$269,190

2023

$3,233 (+1.6%)

$164,327 + $99,586

$263,913

2022

$3,182 (+2.9%)

$161,105 + $97,634

$258,739

2021

$3,093 (−0.5%)

$157,947 + $95,720

$253,667

2020

$3,109 (+11.4%)

$154,850 + $93,844

$248,694

2019

$2,792 (+3.6%)

$153,263 + $92,882

$246,145

2018

$2,696 (+1.7%)

$150,258 + $91,061

$241,319

2017

$2,651 (+2.1%)

$144,424 + $87,526

$231,950

2016

$2,597 (+2.6%)

$144,424 + $87,526

$231,950

2015

$2,531 (+0.6%)

$141,593 + $85,810

$227,403

2014

$2,515 (+0.9%)

$136,736 + $82,867

$219,603

2013

$2,493 (+2.9%)

$136,736 + $82,867

$219,603

2012

$2,422 (+4.7%)

$136,119 + $82,493

$218,612

2011

$2,314 (+0.6%)

$133,450 + $80,876

$214,326

2010

$2,300 (−8.0%)

$130,834 + $79,291

$210,125

2009

$2,500 (+1.7%)

$129,857 + $78,699

$208,556

2008

$2,460

$130,166 + $78,886

$209,052

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Property details

Interior

Room Information
# of Rooms: 5

Exterior

Pool Information
Has Pool

Property Information
Subdivision Name: ACALANES RHO
Living Sq. Ft: 1,106
Ground Floor Sq. Ft: 1,106
Building Sq. Ft: 1,106
# of Stories: 1
Legal Description: RO ACALANES .88 AC

Lot Information
# of Buildings: 1
Land Sq. Ft: 38,333
Acres: 0.88
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 2
Baths: 1.0
Sq. Ft.: 1,106
Stories: 1.0
Lot Size: 0.88 acres
Style: Single Family Residential
Year Built: 1953
Year Renovated: 1953
County: Contra Costa County
APN: 2460900141

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Happy Valley Elementary School

Public K-5 • Assigned • 0.3mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 1.9mi

8/10

Acalanes High School

Public 9-12 • Assigned • 2.2mi

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

$1.22M – $1.47M

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Home values near 3812 Happy Valley Rd Unit F

Data from public records.

Address	Redfin Estimate
3812 Happy Valley Rd Apt B, Lafayette, CA 2 Beds \| 2.5 Baths \| 1448 Sq. Ft.	$1,623,762
3812 Happy Valley Rd Apt E, Lafayette, CA 2 Beds \| 4 Baths \| 4111 Sq. Ft.	$4,530,869

Address	Redfin Estimate
3810 Happy Valley Rd, Lafayette, CA 5 Beds \| 3 Baths \| 3178 Sq. Ft.	$2,890,315
3830 Happy Valley Rd, Lafayette, CA 4 Beds \| 3 Baths \| 3718 Sq. Ft.	$3,683,131

Address	Redfin Estimate
3812 Happy Valley Rd Apt A, Lafayette, CA 2 Beds \| 1 Baths \| 882 Sq. Ft.	$1,246,520
3838 Happy Valley Rd, Lafayette, CA 4 Beds \| 3 Baths \| 3926 Sq. Ft.	$3,540,046

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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 3812 Happy Valley Rd Unit F

Tax history for 3812 Happy Valley Rd Unit F

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 3812 Happy Valley Rd Unit F

More real estate resources