3790A Happy Valley Rd, Lafayette, CA 94549

Off market mar 2016 for $3.9M

$4,727,802

Est. refi paymentEst. refi $4,135/mo

•

4,407

sq ft

3790A Happy Valley Rd, Lafayette, CA 94549

About this home

Single-familyProperty Type

1964Year Built

1.08 acresLot Size

$1,073Est. Price/Sq.Ft.

1 car garageParking

Listed by Amy Smith •DRE #01855959 • Village Associates Real Estate

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

Redfin checked: a minute ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40732768

Redfin Estimate

$4,727,802

$828K since sold in March 2016$94K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 31.5% higher than the average sale price ($3.60M) of 6 comparable homes.

SOLD SEP 9, 2026
$3,550,000
A
5 beds3.5 baths3,890 sq ft
3907 Happy Valley Rd, 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 MAR 5, 2026
$2,220,000
E
5 beds3 baths4,093 sq ft
3912 Quail Ridge Rd, Lafayette, CA 94549
SOLD JUN 2, 2026
$3,950,000
F
4 beds3 baths3,311 sq ft
3853 Palo Alto Dr, Lafayette, CA 94549

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Earn from this home

Sell

$2,078,592

Est. take-home

List your home with Redfin and save $23,639

Refinance

Est. cash available

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Rent

$9,592/mo

Redfin rental estimate

List your home for rent

Market trends in 94549, CA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

101.4%

0.4% MoM

Median sale price

$1.8M

$151K MoM

Avg. days on market

17d

0 days MoM

Recently sold homes

9 MoM

New listings for sale

OPEN TODAY, 2PM TO 4PM
$2,240,000
5 beds4.5 baths4,418 sq ft
3252 Alta Ln, Lafayette, CA 94549
OPEN SUN, 1PM TO 4PM
$1,750,000
3 beds2 baths1,820 sq ft
1154 Robles Ct, Lafayette, CA 94549
OPEN TODAY, 1PM TO 4PM
$1,649,000
3 beds2 baths1,643 sq ft
1042 Sunnybrook Dr, Lafayette, CA 94549
OPEN TODAY, 1PM TO 4PM
$2,895,000
5 beds3 baths2,648 sq ft
1035 Upper Happy Valley Rd, Lafayette, CA 94549
OPEN TODAY, 2PM TO 4PM
$2,995,000
4 beds4.5 baths4,225 sq ft
3370 Stage Coach Dr, Lafayette, CA 94549
OPEN TODAY, 1PM TO 4PM
$1,900,000
4 beds3 baths2,105 sq ft
3235 Andreasen Dr, Lafayette, CA 94549
OPEN TODAY, 2PM TO 4PM
$2,750,000
4 beds3 baths3,528 sq ft
3891 Quail Ridge Rd, Lafayette, CA 94549
OPEN SUN, 2PM TO 4PM
$1,950,000
3 beds3.5 baths2,900 sq ft
3696 Boyer Cir, Lafayette, CA 94549
OPEN SUN, 1PM TO 4PM
$2,085,000
5 beds3 baths2,557 sq ft
4025 Mario Way, Lafayette, CA 94549
OPEN SUN, 2PM TO 4PM
$1,595,000
3 beds2 baths1,455 sq ft
3402 Hall Ln, Lafayette, CA 94549
See all

Provided by Redfin

Sale history for 3790A Happy Valley Rd

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #40732768

Mar 17, 2016

Sold

$3,900,000

$885/sq ft

Mar 17, 2016

Listed

$3,900,000

$885/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #20029471

Aug 18, 2001

Listing Removed

—

bridgeMLS, Bay East AOR, or Contra Costa AOR #11065614

Nov 15, 2000

Sold

$1,850,000

$420/sq ft

Sep 28, 2000

Listing Removed

—

Sep 1, 2000

Listed

$1,995,000

$453/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #20032361

Nov 15, 2000

Sold

$1,850,000

$420/sq ft

Sep 28, 2000

Listing Removed

—

Sep 1, 2000

Listed

$1,995,000

$453/sq ft

Public Records

Dec 5, 1995

Sold

$850,000

$193/sq ft

Public Records

Feb 1, 1980

Sold

$240,000

$54/sq ft

Public Records

Jun 1, 1979

Sold

$210,000

$48/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$32,127 (+1.7%)

$861,855 + $1,960,809

$2,822,664

2024

$31,586 (+1.7%)

$844,956 + $1,922,362

$2,767,318

2023

$31,053 (+1.5%)

$828,389 + $1,884,669

$2,713,058

2022

$30,581 (+3.0%)

$812,147 + $1,847,715

$2,659,862

2021

$29,696 (−0.5%)

$796,223 + $1,811,486

$2,607,709

2020

$29,856 (+2.0%)

$780,611 + $1,775,967

$2,556,578

2019

$29,273 (+3.7%)

$772,607 + $1,757,757

$2,530,364

2018

$28,237 (+1.7%)

$757,458 + $1,723,292

$2,480,750

2017

$27,753 (+1.8%)

$728,046 + $1,656,375

$2,384,421

2016

$27,266 (+2.7%)

$728,046 + $1,656,375

$2,384,421

2015

$26,537 (+0.8%)

$713,771 + $1,623,898

$2,337,669

2014

$26,333 (+1.1%)

$689,279 + $1,568,174

$2,257,453

2013

$26,055 (+3.1%)

$689,279 + $1,568,174

$2,257,453

2012

$25,280 (+1.5%)

$686,164 + $1,561,087

$2,247,251

2011

$24,918 (+1.5%)

$672,710 + $1,530,478

$2,203,188

2010

$24,561

$659,520 + $1,500,469

$2,159,989

2009

$24,560 (+1.8%)

$654,591 + $1,489,255

$2,143,846

2008

$24,133

$656,147 + $1,492,793

$2,148,940

Tax history for 3790A Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$32,127 (+1.7%)

$861,855 + $1,960,809

$2,822,664

2024

$31,586 (+1.7%)

$844,956 + $1,922,362

$2,767,318

2023

$31,053 (+1.5%)

$828,389 + $1,884,669

$2,713,058

2022

$30,581 (+3.0%)

$812,147 + $1,847,715

$2,659,862

2021

$29,696 (−0.5%)

$796,223 + $1,811,486

$2,607,709

2020

$29,856 (+2.0%)

$780,611 + $1,775,967

$2,556,578

2019

$29,273 (+3.7%)

$772,607 + $1,757,757

$2,530,364

2018

$28,237 (+1.7%)

$757,458 + $1,723,292

$2,480,750

2017

$27,753 (+1.8%)

$728,046 + $1,656,375

$2,384,421

2016

$27,266 (+2.7%)

$728,046 + $1,656,375

$2,384,421

2015

$26,537 (+0.8%)

$713,771 + $1,623,898

$2,337,669

2014

$26,333 (+1.1%)

$689,279 + $1,568,174

$2,257,453

2013

$26,055 (+3.1%)

$689,279 + $1,568,174

$2,257,453

2012

$25,280 (+1.5%)

$686,164 + $1,561,087

$2,247,251

2011

$24,918 (+1.5%)

$672,710 + $1,530,478

$2,203,188

2010

$24,561

$659,520 + $1,500,469

$2,159,989

2009

$24,560 (+1.8%)

$654,591 + $1,489,255

$2,143,846

2008

$24,133

$656,147 + $1,492,793

$2,148,940

*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

0.92 Acres

Year renovated

2004

Sq. Ft.

5,140

Year built

2003

Style

Single Family Residential

County

Contra Costa County

APN

2450200031

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 10, 2026.

Jun 5, 2025 • Final

Building - residential re-roof

Remove asphalt shingles and install new asphalt shingles. A cool roof or cool roof exception is required at final inspection.

Roofing

Aug 8, 2023 • Final

Building - residential mechanical

Replace the air conditioning condenser. A HERS report may be required at the final inspection.

HVAC

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: 1
Covered Spaces: 1
Parking Features: Attached, Space Per Unit - 1, Guest, Parking Lot, Garage Door Opener

Interior

Virtual Tour

Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 3
Other Bathrooms Included Features: Shower Over Tub, Solid Surface, Stall Shower, Tile, Updated Baths
Primary Bathroom Included Features: Skylight, Stall Shower, Sunken Tub, Tile, Tub with Jets, Updated Baths

Interior Features
Interior Features: Bonus/Plus Room, Kitchen/Family Combo, Office, Breakfast Bar, Breakfast Nook, Counter - Solid Surface, Stone Counters, Eat-in Kitchen, Kitchen Island, Updated Kitchen, Wet Bar
Appliances: Dishwasher, Double Oven, Disposal, Gas Range, Microwave, Oven, Refrigerator
Laundry Features: Laundry Room
Street Level Features: 5 Bedrooms, 3 Baths, Primary Bedrm Suite - 1, Laundry Facility, No Steps to Entry, Main Entry
Window Features: Double Pane Windows, Skylight(s)
Has Fireplace
Flooring: Hardwood, Tile, Carpet

Room Information
Kitchen Features: 220 Volt Outlet,Breakfast Bar,Breakfast Nook,Counter - Solid Surface,Counter - Stone,Dishwasher,Double Oven,Eat In Kitchen,Garbage Disposal,Gas Range/Cooktop,Island,Microwave,Oven Built-in,Refrigerator,Skylight(s),Updated Kitchen,Wet Bar,Other
Rooms Total: 12
Fireplace Features: Free Standing, Living Room, Pellet Stove, Wood Burning
Basement: Crawl Space

Exterior

Building Information
Construction Materials: Composition Shingles, Wood Siding
Building Area Total: 4,407
Foundation Details: Raised, Slab

Exterior Features
Patio And Porch Features: Deck, Patio
Exterior Features: Back Yard, Front Yard, Garden/Play, Side Yard, Sprinklers Automatic, Sprinklers Back, Sprinklers Front, Sprinklers Side, Storage
Fencing: Fenced
Roof: Shingle

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

Property Information
Living Area: 4407
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1964

Lot Information
Lot Size Square Feet: 47044
Lot Size Area: 1.08
Lot Size Units: Acres
Lot Size Acres: 1.08
Lot Features: Level, Premium Lot
Zoning: 1001

Utilities

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

Heating & Cooling
Has Heating
Heating: Zoned
Cooling: Zoned

Location

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

Public facts

Beds: 5
Baths: 4.0
Sq. Ft.: 5,140
Stories: 2.0
Lot Size: 0.92 acres
Style: Single Family Residential
Year Built: 2003
Year Renovated: 2004
County: Contra Costa County
APN: 2450200031

Home facts updated by county records on Oct 10, 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 • 2.1mi

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

$4.49M – $5.44M

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Home values near 3790A Happy Valley Rd

Data from public records.

Address	Redfin Estimate
3786 Happy Valley Road, Lafayette, CA 4 Beds \| 3 Baths \| 3228 Sq. Ft.	$3,216,171
3806 Happy Valley Road, Lafayette, CA 4 Beds \| 5 Baths \| 3776 Sq. Ft.	$3,468,032

Address	Redfin Estimate
3810 Happy Valley Road, Lafayette, CA 5 Beds \| 3 Baths \| 3178 Sq. Ft.	$3,218,109
3796 Happy Valley Road, Lafayette, CA 5 Beds \| 5 Baths \| 7325 Sq. Ft.	$11,322,379

Address	Redfin Estimate
3808 Happy Valley Road, Lafayette, CA 4 Beds \| 4 Baths \| 5596 Sq. Ft.	$4,571,109
3783 Happy Valley Road, Lafayette, CA 3 Beds \| 2 Baths \| 2233 Sq. Ft.	$1,933,250

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2016. 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 3790A Happy Valley Rd

Tax history for 3790A 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 3790A Happy Valley Rd

More real estate resources