4120 Happy Valley Rd

5,165 Sq. Ft.
$619 / Sq. Ft.
5,165
Sq. Ft.
$619
per Sq. Ft.

Description

Set in Lafayette’s highly sought after Happy Valley neighborhood, this stunning contemporary retreat blends luxury, privacy, and everyday functionality across 5,165± sq ft with 5 bedrooms and 4.5 baths. Thoughtfully designed with soaring ceilings, expansive windows, white plank flooring, and an open concept layout, the home is filled with natural light and seamless indoor outdoor flow. The designer kitchen opens beautifully to spacious living and entertaining areas, while multiple private decks create...Set in Lafayette’s highly sought after Happy Valley neighborhood, this stunning contemporary retreat blends luxury, privacy, and everyday functionality across 5,165± sq ft with 5 bedrooms and 4.5 baths. Thoughtfully designed with soaring ceilings, expansive windows, white plank flooring, and an open concept layout, the home is filled with natural light and seamless indoor outdoor flow. The designer kitchen opens beautifully to spacious living and entertaining areas, while multiple private decks create a true retreat-like setting surrounded by mature greenery. Unwind in the spa inspired primary suite featuring a soaking tub, sauna, huge walk in closet, tranquil views, and a serene resort feel. Located approximately 0.8 miles to top-rated Happy Valley Elementary, this amazing property offers the best of Lafayette living with convenience, style, and comfort. Back on the market with major improvements, including installation of a French drain system, significant roof repairs, and completion of several home inspection and Section 1 items, offering buyers added confidence and value.

Listing Agent

  1. Claire Anderson

    Claire Anderson

    Listing Agent

    Compass

    DRE #01513554

    P: (510)-435-7822

Property Details for 4120 Happy Valley Road

City
LAFAYETTE
Dist Neighborhood Subdiv
HAPPY VALLEY
Building Type
Detached
Property Sub Type
Detached
Style
Contemporary
Garage Spaces
3
Garage/Parking
Attached, Int Access From Garage
View
Forest, Hills, Trees/Woods

Open Houses

Wednesday, Jun 3rd5:00 PM - 7:30 PM
LISTING UPDATED: 05/29/2026 08:11 PM

Property Details for 4120 Happy Valley Road

StatusActive
MLS #41134196
Days on Compass21
Taxes-
HOA Fees-
Condo/Co-op Fees-
Property TypeSingle Family
MLS TypeResidential / Detached
Year Built1990
Lot Size0.36 AC / 15,856 SF
CountyContra Costa County
Buyer's Agent Compensation2.5%
Compensation Remarksnone

Location

Listing Courtesy of Compass, Claire Anderson, DRE #01513554
Add your commute

Building Information for 4120 Happy Valley Road

Stories2Year Built1990Building Size-Lot Size0.36 AC / 15,856 SF

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$17,738 per month

30 year fixed, 6.36% Interest

Principal and Interest

$15,936

Property Taxes

$1,802

HOA Dues

$0

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Property Information for 4120 Happy Valley Road

Features
Feature Details
  • Fireplaces: 2
  • FIREPLACES: Dining Room, Family Room, Gas (FireplaceFeatures)
  • Flooring: Carpet, Other, Wood
  • Garage: Yes
  • Laundry: Dryer, Laundry Room, Washer, Cabinets, Sink
  • Pool Type: None
  • Pool: No
Room Details
  • Rooms Total: 14
  • Additional Rooms: Bonus / Hobby Room, Den / Study / Office, Storage, Sunroom, Utility Room, Basement - Unfinished
  • Kitchen Features: 220 Volt Outlet, Breakfast Bar, Dishwasher, Gas Range/Cooktop, Kitchen Island, Microwave, Pantry, Refrigerator, Updated Kitchen
  • Bedrooms Count: 5
  • Bathrooms Total Count: 4.0
  • Room Additional: Basement, BonusRoom, Formal Dining Room, Eat-In Kitchen, Office, Storage, Sun Porch, Utility Room
  • Bathrooms Half: 1
  • ADU Y/N: No
Utility Details
  • Cooling: Ceiling Fan(s), Central Air
  • Heating: Forced Air 2 Zns or More
  • Solar: None
Lot / Property Details
Home Owners Association
  • HOA: No
Property Details
  • Additional Equipment: Garage Door Opener, Other
  • City Transfer Tax: No
  • Construction Status: Existing
  • Exterior: Stucco, Wood Siding
  • Lot Description: Up Slope, Partial Fence, Security Gate
  • Lot Sq Ft Apx: 15856
  • Lot Size Square Feet: 15856.0
  • Roof: Tile
  • Sq Ft Apx: 5165
  • Stories: Two Story
  • Street Level: Other, Main Entry
  • Yard Description: Back Yard, Deck(s), Fenced, Patio, Side Yard, Sprinklers Automatic, Back Porch, Landscape Back, Partial Fence, Porch, Yard Space
  • Year Built: 1990
  • Acres: 0.36
Location Details
  • Directions to Property: * Take CA-24 West toward Walnut Creek/Lafayette * Exit at Alcalanes, to Happy Valley Rd.
  • FIPS Code: 06013
  • Parcel Number: 247-010-003-9
  • Printed Neighborhood Rpt: Yes
  • Board ID: Bridge AOR
Additional Information
Additional Information
  • Fireplace: Yes

Property History for 4120 Happy Valley Road

DateEvent & SourcePriceAppreciation
May 13, 2026

Temporarily Off Market

EBRD #41134196

May 13, 2026

Listed (Active)

EBRD #41134196

$3,198,000
May 13, 2026

Listed (Active)

MLSListings #EB41134196

$3,198,000
DateEvent & SourcePrice
05/13/2026

Temporarily Off Market

EBRD #41134196

05/13/2026

Listed (Active)

EBRD #41134196

$3,198,000
05/13/2026

Listed (Active)

MLSListings #EB41134196

$3,198,000

For completeness, we often displays two records for one sale: the MLS record and the public record.

Public Records for 4120 Happy Valley Road

Taxable ValueLand$1,000,000Additions$795,000Total$1,795,000
Tax Record2025$21,626 ($1,802 / month)
Home Facts
Beds5Total Finished SqFt4,986 SqFtAbove Grade Finished SqFt4,986 SqFtStories2Lot Size15,856 SqFtStyleSingle Family ResidenceYear Built1990Year Renovated2005ZoningR40CountyCONTRA COSTAAPN247-010-003-9

Schools near 4120 Happy Valley Road

This home is within Acalanes Union High School District.
Rating
School
Type
Grades
Distance
Public - K to 5
Public - 6 to 8
Public - 9 to 12
Public - 9 to 12
Rating
School
Distance
Happy Valley Elementary School
PublicK to 5

M. H. Stanley Middle School
Public6 to 8

Acalanes High School
Public9 to 12

Acalanes Center For Independent Study
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

Similar Homes

4120 Happy Valley Road is a single family home for sale in Lafayette, CA 94549. This property was listed for sale on May 10, 2026 by Compass, it's currently listed at $3,198,000. It has been on the market for a total of 21 days and was last sold on September 23, 2024. This listing's school districts are Acalanes Union High School District, Lafayette Elementary School District. Nearby schools include Happy Valley Elementary School, M. H. Stanley Middle School and Acalanes High School. 4120 Happy Valley Road is a 5-bed, 5-bath, 5,165 sqft single family home built in 1990.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of Compass, Claire Anderson, DRE #01513554

Based on information from one of the following Multiple Listing Services: San Francisco Association of Realtors, the MLSListings MLS, the BAREIS MLS, the EBRD MLS, Shasta Association of REALTORS® Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by San Francisco Association of Realtors, the MLSListings MLS, the BAREIS MLS, the EBRD MLS, Shasta Association of REALTORS® is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.