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$3,198,000 Just Listed

  • For Sale
  • Active
  • Single Family
  • 5 Beds
  • 4 Full Baths
  • 1 Partial Bath
  • 3 Car Garage
  • Updated 16 hours ago

Next open house:

Open House: 1:30 PM - 5:00 PM

Saturday 5/16 1:30 PM - 5:00 PM

4120 Happy Valley Rd,Lafayette, CA 94549

4120 Happy Valley RdLafayetteCA94549

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Join us at 4120 Happy Valley Rd on:

  • Open House: 1:30 PM - 5:00 PM

    Sunday 5/17 1:30 PM - 5:00 PM

    4120 Happy Valley Rd,Lafayette, CA 94549
    4120 Happy Valley RdLafayetteCA94549
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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.

Full Property Details for 4120 Happy Valley Rd

General

  • Price: $3,198,000
  • Status: Active
  • Type: Single Family
  • Source: MAX
  • MLS ID: 41134196
  • Updated: Today (5/13/2026)
  • Added to Site: Today

Interior

  • Number of Rooms: 14
  • Interior Features: Formal Dining Room, Office, Storage, Utility Room, Breakfast Bar, Pantry, Updated Kitchen
  • Number of Fireplaces: 2
  • Fireplace(s): Dining Room, Family Room, Gas
  • Appliances: Dishwasher, Gas Range, Microwave, Refrigerator
  • Flooring: Carpet, Wood, Other

Rooms

Bathrooms

  • Total Bathrooms: 5
  • Full Bathrooms: 4
  • Partial Bathrooms: 1

Bedrooms

  • Total Bedrooms: 5

Other Rooms

  • Kitchen: 220-Volt Outlet, Breakfast Bar, Dishwasher, Gas Range/Cooktop, Kitchen Island, Microwave, Pantry, Refrigerator, Updated Kitchen
  • Laundry: Dryer, Laundry Room, Washer, Cabinets, Sink

Additional Information

  • Equipment: Other

Exterior

  • Exterior Features: Back Yard, Side Yard, Sprinklers Automatic, Landscape Back, Yard Space

Parking

  • Attached garage: Yes
  • Garage Spaces: 3
  • Parking Features: Attached, Int Access From Garage, Garage Door Opener

Location

  • Area: Listing
  • County: Contra Costa
  • Subdivision: Happy Valley
  • Driving Directions: * Take CA-24 West toward Walnut Creek/Lafayette * Exit at Alcalanes, to Happy Valley Rd.

Heating & Cooling

  • Central air: Yes
  • Cooling Type: Ceiling Fan(s), Central Air
  • Heating Type: Zoned

Utilities

  • Sewer: Public Sewer
  • Water: Public

Structural Information

  • Architectural Style: Contemporary
  • Exterior Const.: Stucco, Wood Siding
  • Roof: Tile
  • Stories/Levels: Two Story
  • Year Built: 1990

Lot Features

  • Property View: Forest, Hills, Trees/Woods
  • Lot Size (Acres): 0.36
  • Lot Dimensions: 15856
  • Lot Features: Sloped Up, Security Gate
  • Fencing (Description): Partial Fence, Fenced, Partial

Financial Considerations

  • For Sale: Yes
  • Price Per Sq. Ft.: $619

Disclosures and Reports

  • Property ID: 2470100039

Listed by Compass, Claire Anderson

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Listing agent

— 4120 Happy Valley Rd —

  • Claire Anderson

    Compass

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 4120 Happy Valley Rd

School Districts:Acalanes Union High School District, Lafayette Elementary School District
NameGradesDistance
Happy Valley Elementary School, Lafayette, CA
3855 Happy Valley Road, Lafayette, CA 94549
K-51.1 mi
M. H. Stanley Middle School
3455 School Street, Lafayette, CA 94549
6-82.9 mi
Acalanes High School
1200 Pleasant Hill Road, Lafayette, CA 94549
9-123.5 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 4120 Happy Valley Rd Get Price Alerts and Save Property

Date
Details
Price
Change
Source
5/13/2026
Listed
$3,198,000
77.67%
MLS
9/18/2024
Sold
$1,800,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 4120 Happy Valley Rd

Year
Property Taxes
Change
Tax Assessment
Change
2025
$371
-1%
$5,000
-10%
2023
$376
—
$5,576
2%
2023
$376
—
$5,467
2%
2022
$375
—
$5,360
2%
2021
$374
—
$5,255
1%
2020
$374
—
$5,202
2%
2019
$374
1%
$5,100
2%
2018
$372
10%
$5,000
145%
2017
$339
4%
$2,040
2%
2016
$327
—
$2,000
-2%
2015
$327
—
$2,039
2%
2014
$327
2%
$2,000
39%
2013
$320
—
$1,440
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 4120 Happy Valley Rd

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Listed by Compass, Claire Anderson

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4120 Happy Valley Rd, Lafayette, CA 94549 (MLS# 41134196) is a Single Family property with 5 bedrooms, 4 full bathrooms and 1 partial bathroom. 4120 Happy Valley Rd is currently listed for $3,198,000 and was received on May 13, 2026. Want to learn more about 4120 Happy Valley Rd? Do you have questions about finding other Single Family real estate for sale in Lafayette? You can browse all Lafayette real estate or contact a Coldwell Banker agent to request more information.

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