3814 Happy Valley Rd Lafayette, CA ^$ 5,500,000

3814 Happy Valley Rd

^$ 5,500,000

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Recently Listed

3814 Happy Valley Rd

Lafayette, CA, 94549

^$ 5,500,000

Bedrooms4 Baths3.1 Sq 3,399

Monthly Estimate*

^$ 33,864

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Single Family Home for sale in Lafayette, CA

for $5,500,000 with 4 bedrooms and 3 full baths, 1 half bath. This 3,399 square foot home was built in 1949 on a lot size of 1.32.

Opportunity of a lifetime in Happy Valley. A step back in time . . . this beautiful estate home is perfectly situated on unquestionably one of the most spectacular flat 1.32± acre parcels in the valley. Up a private lane, away from the hustle and bustle, this gracious single-level home and its breathtaking sunbathed grounds and tennis court offers unlimited possibilities to live a lifestyle like few others. Must see to appreciate the allure and magnitude of its splendor.

Single Family Active

Price

^$ 5,500,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 0

Style

Other Traditional Mid Century Modern

Lot Size

1.32

Year Built

1949

Town/City

Lafayette

County/Region

Contra Costa

MLS | Web ID

41133976

Features

General

Living Area 3399

Sewer Public Sewer

Heating Forced Air

Cooling None

Utilities Cable Connected Internet Available Natural Gas Connected Individual Electric Meter Individual Gas Meter

Roof Unknown Elastomeric

Appliances Dishwasher Double Oven Gas Range Microwave Oven Range Refrigerator Gas Water Heater

Garage Spaces 2

Architectural Style Other Traditional Mid Century Modern

Pool Features Possible Pool Site None

Construction Materials Wood Siding

Pets Allowed Yes

Year Built 1949

Electric No Solar Generator

View Park/Greenbelt Vineyard

Stories Count 1

Levels One Story

Property Subtype Detached

Accessibility None

County Contra Costa

New Construction false

Property Type Residential

HOA false

Energy Efficient None

Subdivision Name Happy Valley

Garage Y/N true

Total Rooms 11

Full Baths 3

Status Active

Directions Mt Diablo Blvd to Happy Valley Rd to Valory Lane..

City Lafayette

High School District Acalanes (925) 280-3900

MLS Area Listing

Lot Size Square Feet 57499

Property Condition Existing

Virtual Tour https://3814happyvalley.com/mls

Standard Status Active

Elementary School District Lafayette (925) 280-3900

Interior

Interior Amenities Family Room Formal Dining Room Office Counter - Solid Surface

Flooring Hardwood Parquet Tile Carpet

Total Fireplaces 2

Fireplace Features Family Room Free Standing Living Room

Air Conditioning Y/N false

Heating Y/N true

Window Features Skylight(s)

Fireplace Y/N true

Laundry Features Hookups Only Laundry Closet

Total Bedrooms 4

Kitchen Features Counter - Solid Surface Dishwasher Double Oven Eat-in Kitchen Gas Range/Cooktop Microwave Oven Built-in Range/Oven Built-in Refrigerator Skylight(s)

Total Baths 4

1/2 Baths 1

Exterior

Exterior Amenities Garden Back Yard Front Yard Garden/Play Side Yard Other Entry Gate Private Entrance Yard Space

Fencing Fenced Front Yard

Parking Features Attached Off Street RV/Boat Parking Workshop in Garage Enclosed Parking Lot Garage Faces Side

Lot Features Level Premium Lot Rectangular Lot Secluded Vineyard Back Yard Front Yard Pool Site Private Landscaped

Water Source Public Meter on Site

Lot Size Area 1.32

Building Area Total 3399

Lot Size Acres 1.32

ADU Y/N false

* Excluded Features

List By

Chris Swim

Listing Agent

Compass

Broker

chris@chrisswim.com

Affordability Calculator

$33,864

Per Month

Monthly Principal & Interest: $33,864
Monthly Property Taxes: --
Monthly Home Insurance: --

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Interest Rate

Yearly Property Taxes

Yearly Home Insurance

Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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Nearby

Trends
Schools

Single family listings in Lafayette, CA

Average List Price ^$2,496,463

Percent of Sale Price 55%

About Lafayette, CA

24,417 Population

5% Since 2002

^$144,888 Median Income

47.85 Median Age

33% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

4474300 Elementary School

0 Middle School

Unknown High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
5/8/2026	$5,500,000		Listed Price

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3814 Happy Valley Rd, Lafayette, CA, 94549 is a Single Family Home for sale at $5,500,000 with 3,399 sqft and a lot size of 1.32. 3814 Happy Valley Rd has 4 bedrooms, 3.1 baths, and was built in 1949. The property's zip code is 94549 which is in Lafayette, CA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Bay East ©2026. CCAR ©2026. bridgeMLS ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated at 05/20/2026 08:25 AM UTC

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3814 Happy Valley Rd

Single Family Home for sale in Lafayette, CA

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