OFF MARKET

Off Market Feb 2024 for $3.2M

$4,443,304

Est. refi paymentEst. refi $24,915/mo

•

5,596

sq ft

3808 Happy Valley Rd, Lafayette, CA 94549

About this home

Priced $195K under appraisal!! Nestled discreetly along Happy Valley Rd, this 1.13-acre estate offers 230 feet of road setback for utmost privacy. With 4 bedrooms, 3 full and 2 half baths, formal dining, family room, breakfast nook and an expansive 5590 sq ft of living space, this residence has been tastefully expanded years ago by the current owner to cater to entertainment and family gatherings. The expansion showcases a spacious room with a charming fireplace and a beautifully crafted wood library. Another generous room features a grand fireplace, a full bar, and a gaming area. The additional kitchen boasts commercial-grade appliances, including a professional stove, refrigerators, and dishwashers. A wine room precedes this culinary haven. The rear yard off the bedrooms offers seclusion, with an in ground pool with spa. The rear yard off the expanded portion, featuring a large deck extending to a former Koi pond with a bridge. With your personal touches, this home is poised to become a masterpiece. Discover refined living at the Happy Valley Rd Estate. A must see home.

Single-familyProperty Type

1938Year Built

1.12 acresLot Size

$794Est. Price/Sq.Ft.

2 car garageParking

Listed by Chris Moulis •DRE #00446234 • RE/MAX Accord

Bought with Angela Clay •DRE #01361143 • Dudum Real Estate Group

Redfin checked: 4 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #41046507

Redfin Estimate

$4,443,304

$1.2M since sold in February 2024$34K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 31.4% higher than the average sale price ($3.38M) of 6 comparable homes.

SOLD JUL 9, 2026
$4,800,000
A
4 beds3.5 baths4,511 sq ft
1165 Glen Rd, Lafayette, CA 94549
SOLD FEB 23, 2026
$2,430,000
B
4 beds3.5 baths3,322 sq ft
1076 N Thompson Rd, Lafayette, CA 94549
SOLD NOV 14, 2025
$4,250,000
C
4 beds4.5 baths4,502 sq ft
1133 Estates Dr, Lafayette, CA 94549
SOLD MAY 15, 2026
$3,300,000
D
4 beds4 baths3,530 sq ft
1122 Via Media, Lafayette, CA 94549
SOLD JUN 12, 2026
$2,810,000
E
4 beds3.5 baths2,442 sq ft
1125 Glen Rd, Lafayette, CA 94549
SOLD DEC 29, 2025
$2,700,000
F
4 beds4 baths4,150 sq ft
3938 Los Arabis Dr, Lafayette, CA 94549

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Earn from this home

Sell

$1,768,031

Est. take-home

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Refinance

Est. cash available

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Rent

$9,801/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

$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
$2,100,000
4 beds2.5 baths2,086 sq ft
829 Reliez Station Rd, Lafayette, CA 94549
$1,587,000
4 beds3 baths2,392 sq ft
16 Ruth Ct, Lafayette, CA 94549
$1,925,000
4 beds3 baths2,228 sq ft
859 Mountain View Dr, Lafayette, CA 94549
OPEN SEP 1, 11AM TO 2PM
$2,495,000
3 beds3 baths2,686 sq ft
1232 Upper Happy Vly, Lafayette, CA 94549
$2,195,000
3 beds2 baths1,658 sq ft
210 Lafayette Cir #302, Lafayette, CA 94549
$3,999,000
4 beds3.5 baths4,114 sq ft
3647 Happy Valley Rd, Lafayette, CA 94549
$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 3808 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$37,594 (+1.7%)

$2,080,800 + $1,248,480

$3,329,280

2024

$36,963 (+70.3%)

$2,040,000 + $1,224,000

$3,264,000

2023

$21,699 (+1.5%)

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

$3,200,000

2022

$21,376 (+3.0%)

$445,324 + $1,419,248

$1,864,572

2021

$20,757 (−0.5%)

$436,593 + $1,391,420

$1,828,013

2020

$20,860 (+2.4%)

$428,033 + $1,364,138

$1,792,171

2019

$20,370 (+3.7%)

$423,645 + $1,350,151

$1,773,796

2018

$19,647 (+1.9%)

$415,339 + $1,323,678

$1,739,017

2017

$19,287 (+1.8%)

$399,212 + $1,272,279

$1,671,491

2016

$18,950 (+2.8%)

$399,212 + $1,272,279

$1,671,491

2015

$18,439 (+0.8%)

$391,385 + $1,247,333

$1,638,718

2014

$18,296 (+1.1%)

$377,956 + $1,204,531

$1,582,487

2013

$18,099 (+3.1%)

$377,956 + $1,204,531

$1,582,487

2012

$17,553 (+1.5%)

$376,248 + $1,199,088

$1,575,336

2011

$17,297 (−1.2%)

$368,871 + $1,175,577

$1,544,448

2010

$17,501 (+1.4%)

$361,639 + $1,152,527

$1,514,166

2009

$17,259 (+1.8%)

$358,937 + $1,143,914

$1,502,851

2008

$16,961

$359,790 + $1,128,132

$1,487,922

Tax history for 3808 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$37,594 (+1.7%)

$2,080,800 + $1,248,480

$3,329,280

2024

$36,963 (+70.3%)

$2,040,000 + $1,224,000

$3,264,000

2023

$21,699 (+1.5%)

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

$3,200,000

2022

$21,376 (+3.0%)

$445,324 + $1,419,248

$1,864,572

2021

$20,757 (−0.5%)

$436,593 + $1,391,420

$1,828,013

2020

$20,860 (+2.4%)

$428,033 + $1,364,138

$1,792,171

2019

$20,370 (+3.7%)

$423,645 + $1,350,151

$1,773,796

2018

$19,647 (+1.9%)

$415,339 + $1,323,678

$1,739,017

2017

$19,287 (+1.8%)

$399,212 + $1,272,279

$1,671,491

2016

$18,950 (+2.8%)

$399,212 + $1,272,279

$1,671,491

2015

$18,439 (+0.8%)

$391,385 + $1,247,333

$1,638,718

2014

$18,296 (+1.1%)

$377,956 + $1,204,531

$1,582,487

2013

$18,099 (+3.1%)

$377,956 + $1,204,531

$1,582,487

2012

$17,553 (+1.5%)

$376,248 + $1,199,088

$1,575,336

2011

$17,297 (−1.2%)

$368,871 + $1,175,577

$1,544,448

2010

$17,501 (+1.4%)

$361,639 + $1,152,527

$1,514,166

2009

$17,259 (+1.8%)

$358,937 + $1,143,914

$1,502,851

2008

$16,961

$359,790 + $1,128,132

$1,487,922

*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

1.13 Acres

Year renovated

1966

Sq. Ft.

5,596

Year built

1938

Style

Single Family Residential

County

Contra Costa County

APN

2450200155

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2026.

Jun 7, 2016 • Final

Building - residential electrical

Replace electrical sub panels and perform a partial rewiring of existing knob and tube wiring.

Electrical

Apr 4, 2016 • Final

Building - residential electrical

Remove and replace an existing electrical subpanel.

Electrical

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, RV/Boat Parking, Side Yard Access, Garage Door Opener

Interior

Virtual Tour

Bathroom Information
# of Bathrooms Total: 5
# of Bathrooms Full: 3
# of Bathrooms Partial: 2

Interior Features
Interior Features: Family Room, Formal Dining Room, Library, Kitchen Island, Wet Bar
Appliances: Dishwasher, Disposal, Gas Range, Grill Built-In, Gas Water Heater
Laundry Features: Hookups Only, Laundry Closet, Stacked Only
Street Level Features: 4 Bedrooms, 3.5 Baths, Laundry Facility, Main Entry
Fireplaces Total: 3
Has Fireplace
Flooring: Hardwood, Tile, Carpet

Room Information
Kitchen Features: Dishwasher,Garbage Disposal,Gas Range/Cooktop,Grill Built-in,Island,Wet Bar,Other
Rooms Total: 15
Fireplace Features: Brick, Den, Family Room, Living Room, Wood Burning

Exterior

Building Information
Construction Materials: Wood Siding
Building Area Total: 5,596

Exterior Features
Patio And Porch Features: Deck
Exterior Features: Backyard, Back Yard, Front Yard, Storage
Fencing: Fenced

Pool Information
Pool Features: Gunite, In Ground, Spa, Pool House, Outdoor Pool
Has Private Pool
Has Spa

Property Information
Living Area: 5596
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1938

Lot Information
Lot Size Square Feet: 49005
Lot Size Area: 1.13
Lot Size Units: Acres
Lot Size Acres: 1.13
Lot Features: Level, Regular, Landscape Front, Landscape Back

Utilities

Utility Information
Water Source: Public

Heating & Cooling
Has Heating
Heating: Zoned, Natural Gas
Cooling: Ceiling Fan(s), Zoned

Public facts

Beds: 4
Baths: 4.0
Sq. Ft.: 5,596
Stories: 1.0
Lot Size: 1.12 acres
Style: Single Family Residential
Year Built: 1938
Year Renovated: 1966
County: Contra Costa County
APN: 2450200155

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Happy Valley Elementary School

Public K-5 • Assigned • 0.2mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 1.8mi

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

$4.22M – $5.11M

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Home values near 3808 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
3830 Happy Valley Road, Lafayette, CA 4 Beds \| 3 Baths \| 3718 Sq. Ft.	$3,917,175

Address	Redfin Estimate
3790 Happy Valley Road, Lafayette, CA 5 Beds \| 3 Baths \| 4407 Sq. Ft.	$4,861,062
3827 Happy Valley Road, Lafayette, CA 3 Beds \| 3 Baths \| 3165 Sq. Ft.	$2,950,116

Address	Redfin Estimate
3810 Happy Valley Road, Lafayette, CA 5 Beds \| 3 Baths \| 3178 Sq. Ft.	$3,182,288
3806 Happy Valley Road, Lafayette, CA 4 Beds \| 5 Baths \| 3776 Sq. Ft.	$3,161,580

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2024. 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 3808 Happy Valley Rd

Tax history for 3808 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 3808 Happy Valley Rd

More real estate resources