OFF MARKET

Off Market Oct 2018 for $2.8M

$3,133,719

Est. refi paymentEst. refi $5,309/mo

•

1,879

sq ft

3788 Happy Valley Rd, Lafayette, CA 94549

About this home

Nestled on a tree-lined private lane this nearly one-acre, pancake-flat dream property is a rare find in Happy Valley with enormous potential! The quiet setting, ability to expand and premium lot and location combine to provide endless possibilities for this classic Happy Valley single-story. Features include light-filled dining/living room, sunroom, newer paint, and fresh carpet. The expansive level backyard includes a pool, patios, mature landscape, lawns, pool shed and large side yard. Dream big or move-in and enjoy this delightful property as you make changes over time. Perfectly located minutes from Hwy. 24, BART, Lafayette Reservoir, town and trails. In addition, it is ideally situated close to Happy Valley Elementary School and in the top-rated Lafayette and Acalanes Unified School Districts.

Single-familyProperty Type

1951Year Built

0.98 acresLot Size

$1,668Est. Price/Sq.Ft.

2 car garageParking

Listed by Dana Green •DRE #01482454 • Compass

Bought with Dana Green •DRE #01482454 • Pacific Union International

Redfin checked: a few seconds ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40841440

Redfin Estimate

$3,133,719

$284K since sold in October 2018$53K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 63.9% higher than the average sale price ($1.91M) of 6 comparable homes.

SOLD NOV 14, 2025
$1,850,000
A
3 beds2 baths2,158 sq ft
3580 Boyer Cir, Lafayette, CA 94549
SOLD OCT 27, 2025
$2,051,104
B
3 beds2 baths1,977 sq ft
1104 Via Roble, Lafayette, CA 94549
SOLD JUN 15, 2026
$3,400,000
C
3 beds2.5 baths2,522 sq ft
21 Cosso Ct, Lafayette, CA 94549
SOLD SEP 10, 2025
$1,100,000
D
3 beds2 baths1,728 sq ft
1133 N Thompson Rd, Lafayette, CA 94549
SOLD MAR 3, 2026
$1,649,000
E
3 beds2 baths2,365 sq ft
700 Miner, Orinda, CA 94563
SOLD JUN 25, 2026
$1,425,000
F
3 beds2 baths1,626 sq ft
4073 Legion Ct, Lafayette, CA 94549

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Earn from this home

Sell

$1,056,199

Est. take-home

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Refinance

Est. cash available

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Rent

$5,934/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

COMING SOON
$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 SUN, 12PM TO 4PM
$2,100,000
4 beds2.5 baths2,086 sq ft
829 Reliez Station Rd, Lafayette, CA 94549
OPEN SUN, 1PM TO 4PM
$1,587,000
4 beds3 baths2,392 sq ft
16 Ruth Ct, Lafayette, CA 94549
OPEN SUN, 1PM TO 4PM
$1,925,000
4 beds3 baths2,228 sq ft
859 Mountain View Dr, Lafayette, CA 94549
OPEN SUN, 2PM TO 4PM
$2,495,000
3 beds3 baths2,686 sq ft
1232 Upper Happy Vly, Lafayette, CA 94549
OPEN SUN, 1PM TO 4PM
$2,195,000
3 beds2 baths1,658 sq ft
210 Lafayette Cir #302, Lafayette, CA 94549
OPEN SUN, 1PM TO 4PM
$3,999,000
4 beds3.5 baths4,114 sq ft
3647 Happy Valley Rd, Lafayette, CA 94549
OPEN SUN, 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 3788 Happy Valley Rd

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #40841440

Oct 24, 2018

Sold

$2,850,000

$1,517/sq ft

Oct 17, 2018

Pending

—

Oct 5, 2018

Listed

$2,195,000

$1,168/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #10244553

Feb 4, 1998

Sold

$854,000

$454/sq ft

Nov 5, 1997

Listing Removed

—

Sep 7, 1997

Listed

$829,000

$441/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #27244553

Nov 5, 1997

Sold

$854,000

$454/sq ft

Sep 29, 1997

Listing Removed

—

Sep 7, 1997

Listed

$829,000

$441/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$37,413 (+1.7%)

$2,870,608 + $441,631

$3,312,239

2024

$36,785 (+1.7%)

$2,814,322 + $432,972

$3,247,294

2023

$36,170 (+3.6%)

$2,759,140 + $424,483

$3,183,623

2022

$34,918 (+3.0%)

$2,705,040 + $416,160

$3,121,200

2021

$33,909 (−0.6%)

$2,102,356 + $893,501

$2,995,857

2020

$34,107 (+1.9%)

$2,061,134 + $875,982

$2,937,116

2019

$33,483 (+128.6%)

$2,040,000 + $867,000

$2,907,000

2018

$14,648 (+6.2%)

$2,000,000 + $850,000

$2,850,000

2017

$13,791 (+1.9%)

$584,721 + $615,952

$1,200,673

2016

$13,538 (+2.8%)

$584,721 + $615,952

$1,200,673

2015

$13,163 (+0.9%)

$573,256 + $603,875

$1,177,131

2014

$13,050 (+14.0%)

$553,586 + $583,154

$1,136,740

2013

$11,446 (+7.4%)

$553,586 + $583,154

$1,136,740

2012

$10,657 (−6.0%)

$486,995 + $513,005

$1,000,000

2011

$11,342 (−7.1%)

$458,262 + $482,738

$941,000

2010

$12,205 (−0.5%)

$486,995 + $513,005

$1,000,000

2009

$12,265 (−0.8%)

$525,729 + $553,808

$1,079,537

2008

$12,368

$526,978 + $555,124

$1,082,102

Tax history for 3788 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$37,413 (+1.7%)

$2,870,608 + $441,631

$3,312,239

2024

$36,785 (+1.7%)

$2,814,322 + $432,972

$3,247,294

2023

$36,170 (+3.6%)

$2,759,140 + $424,483

$3,183,623

2022

$34,918 (+3.0%)

$2,705,040 + $416,160

$3,121,200

2021

$33,909 (−0.6%)

$2,102,356 + $893,501

$2,995,857

2020

$34,107 (+1.9%)

$2,061,134 + $875,982

$2,937,116

2019

$33,483 (+128.6%)

$2,040,000 + $867,000

$2,907,000

2018

$14,648 (+6.2%)

$2,000,000 + $850,000

$2,850,000

2017

$13,791 (+1.9%)

$584,721 + $615,952

$1,200,673

2016

$13,538 (+2.8%)

$584,721 + $615,952

$1,200,673

2015

$13,163 (+0.9%)

$573,256 + $603,875

$1,177,131

2014

$13,050 (+14.0%)

$553,586 + $583,154

$1,136,740

2013

$11,446 (+7.4%)

$553,586 + $583,154

$1,136,740

2012

$10,657 (−6.0%)

$486,995 + $513,005

$1,000,000

2011

$11,342 (−7.1%)

$458,262 + $482,738

$941,000

2010

$12,205 (−0.5%)

$486,995 + $513,005

$1,000,000

2009

$12,265 (−0.8%)

$525,729 + $553,808

$1,079,537

2008

$12,368

$526,978 + $555,124

$1,082,102

*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

0.98 Acres

Year renovated

1975

Sq. Ft.

1,879

Year built

1951

Style

Single Family Residential

County

Contra Costa County

APN

2450200023

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2026.

Sep 3, 2014 • Final

Building - residential electrical

Upgrade the electrical service from 100 amps to 200 amps.

Electrical

Mar 31, 2014 • Final

Building/residential/al/alteration

Remove and replace windows in the same size and location.

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

Interior

Virtual Tour

Bathroom Information
# of Bathrooms Total: 2
# of Bathrooms Full: 2
Other Bathrooms Included Features: Shower Over Tub, Tile
Primary Bathroom Included Features: Stall Shower, Tile

Interior Features
Interior Features: Breakfast Nook, Counter - Solid Surface, Eat-in Kitchen, Updated Kitchen
Appliances: Dishwasher, Electric Range, Oven, Refrigerator, Gas Water Heater
Laundry Features: Hookups Only, Laundry Room
Street Level Features: 3 Bedrooms, 2 Baths, Laundry Facility
Fireplaces Total: 2
Has Fireplace
Flooring: Hardwood, Tile, Carpet

Room Information
Kitchen Features: Breakfast Nook,Counter - Solid Surface,Dishwasher,Eat In Kitchen,Electric Range/Cooktop,Oven Built-in,Refrigerator,Updated Kitchen
Rooms Total: 8
Fireplace Features: Brick, Insert, Living Room

Exterior

Building Information
Construction Materials: Concrete Block, Wood Siding
Building Area Total: 1,879
Foundation Details: Slab

Exterior Features
Patio And Porch Features: Patio
Exterior Features: Back Yard, Front Yard, Garden/Play, Side Yard, Sprinklers Back, Sprinklers Front, Storage
Door Features: Mirrored Closet Door(s)

Pool Information
Pool Features: In Ground, Solar Heat, Solar Pool Owned
Has Private Pool

Property Information
Living Area: 1879
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1951

Lot Information
Lot Size Square Feet: 42689
Lot Size Area: 0.98
Lot Size Units: Acres
Lot Size Acres: 0.98
Lot Features: Premium Lot

Utilities

Utility Information
Sewer: Public Sewer

Heating & Cooling
Has Heating
Cooling: Ceiling Fan(s), Wall/Window Unit(s)

Location

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

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,879
Stories: 1.0
Lot Size: 0.98 acres
Style: Single Family Residential
Year Built: 1951
Year Renovated: 1975
County: Contra Costa County
APN: 2450200023

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 • 1.7mi

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

1% 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

$2.98M – $3.60M

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Home values near 3788 Happy Valley Rd

Data from public records.

Address	Redfin Estimate
3786 Happy Valley Road, Lafayette, CA 4 Beds \| 3 Baths \| 3228 Sq. Ft.	$3,354,226
3767 Happy Valley Road, Lafayette, CA 4 Beds \| 3 Baths \| 2973 Sq. Ft.	$2,637,383

Address	Redfin Estimate
3790 Happy Valley Road, Lafayette, CA 5 Beds \| 3 Baths \| 4407 Sq. Ft.	$4,861,062
3806 Happy Valley Road, Lafayette, CA 4 Beds \| 5 Baths \| 3776 Sq. Ft.	$3,161,580

Address	Redfin Estimate
3808 Happy Valley Road, Lafayette, CA 4 Beds \| 4 Baths \| 5596 Sq. Ft.	$4,443,304
3796 Happy Valley Road, Lafayette, CA 5 Beds \| 5 Baths \| 7325 Sq. Ft.	$8,315,067

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2018. 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 3788 Happy Valley Rd

Tax history for 3788 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 3788 Happy Valley Rd

More real estate resources