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3937 Happy Valley Rd.Lafayette, CA 94549

Single Family · 4 Beds · 4 Full Baths · 1 Partial Bath · 4,538 Sq. ft. | 0.92 Acres
$8,398,000 Active

3937 Happy Valley Rd. Overview

Time on Site:
23 days
Visits:
0

A rare, gated Estate in one of Lafayette's most coveted neighborhoods. Set on just under a flat acre, this extraordinary single-level property (Kathleen Burke Design) offers an approximate total of 5,740 square feet of living space, which includes a beautifully appointed 1,202-square foot guest house. A private serpentine drive leads to lush gardens, mature specimen trees, and resort-inspired grounds that create an unparalleled sense of privacy and tranquility. The main residence features four bedrooms (two currently set up as a TV room and office with built-ins) and four and one half bathrooms, expansive living spaces with hardwood flooring throughout, a stunning chef's kitchen and island with professional-grade appliances, and seamless indoor-outdoor flow through multiple French doors opening to the spectacular backyard. The luxurious primary suite offers direct patio access, custom finishes, and a spa-inspired bath, dual walk-in closets are thoughtfully designed with extensive custom cabinetry by Lloyds Custom Cabinets. Outdoors, the property transforms into a private botanical haven where meandering garden paths, curated landscaping, mature trees, and expansive entertaining spaces create an atmosphere of serenity and seclusion rarely experienced. Designed for entertaining and everyday enjoyment, the grounds showcase a outdoor dining area, sparkling rectangular pool, separate spa, built-in BBQ station, putting green, firepit, multiple gathering areas, and beautifully curated landscaping. At the heart of the guest house is a spacious great room featuring vaulted ceilings, a large fireplace, and an open-concept kitchen and dining area - providing a welcoming escape ideal for extended stays, entertaining, or relaxed everyday living. The guest house includes: two bedrooms, full bath, and laundry. From sunrise to evening glow, this extraordinary property is simply magical at every hour of the day and evening. Other features include, but not limited to: a Elan Smart Home system, solar system with Tesla power walls/battery back-up, speaker-sound system throughout home; garage with ample storage and a catering/pantry closet.

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3937 Happy Valley Rd. Facts & Features

  • Type Single Family
  • Sq. ft. 4,538
  • Price/Sq.ft. $1,851
  • Lot 0.92 Acres

Details

General

School Information

  • School District: Acalanes (925) 280-3900

Green Features

  • Green Energy Efficient: Water Heater
  • Green Energy Generation: Solar

Building Information

  • New Construction: false
  • Year Built: 2009

Location/Region

  • Country: US
  • County Or Parish: Contra Costa
  • Subdivision Name: HAPPY VALLEY RD

General Information

  • Listing Terms: Cash,Conventional
  • Parcel Number: 2461200111
  • Property Condition: Existing
  • Property Sub Type: Single Family Residence
  • Property Type: Residential
  • Special Listing Conditions: Standard

Interior

Parking Information

  • Garage Spaces: 2
  • Garage: true

Beds/Baths

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

Building Interior

  • Building Area Source: Other
  • Building Area Total: 4538
  • Building Area Units: Square Feet

General Information

  • Accessibility Features: Other
  • Appliances: Dishwasher,Double Oven,Gas Range,Microwave,Oven,Refrigerator,Trash Compactor,Dryer,Washer,Gas Water Heater,Tankless Water Heater
  • Basement: Crawl Space
  • Electric: Photovoltaics Seller Owned
  • Fireplace Features: Gas,Gas Starter,Living Room,Stone,Other
  • Fireplace: true
  • Fireplaces Total: 1
  • Flooring: Hardwood,Tile,Carpet
  • Interior Features: Dining Area,Family Room,Formal Dining Room,In-Law Floorplan,Office,Storage,Breakfast Nook,Counter - Solid Surface,Pantry,Updated Kitchen,Central Vacuum,Sound System,Smart Home
  • Laundry Features: Dryer,Laundry Room,Washer,Cabinets,Sink
  • Levels: One Story
  • Living Area: 4538
  • Living Area Units: Square Feet
  • Power Production Type: Photovoltaics
  • Rooms Total: 11
  • Security Features: Fire Alarm,Security Alarm - Owned,Carbon Monoxide Detector(s),Security Gate,Security System Owned,Smoke Detector(s)
  • Spa Features: Heated
  • Spa: true
  • Stories: 1
  • Window Features: Double Pane Windows,Screens,Window Coverings

Exterior

Parking Information

  • Parking Features: Attached,Int Access From Garage,Other,Enclosed,Garage Faces Side,Garage Door Opener

Lot Information

  • Lot Features: Level,Premium Lot,Secluded,Back Yard,Front Yard,Landscaped,Private,Security Gate,Sprinklers In Rear
  • Lot Size Acres: 0.92
  • Lot Size Area: 0.92
  • Lot Size Square Feet: 40075
  • Lot Size Units: Acres
  • Water Source: Public

Waterfront/View

    Building Exterior/Construction

    • Architectural Style: Traditional
    • Attached Garage: false
    • Construction Materials: Composition Shingles,Stone,Wood Shingles
    • Roof: Shingle

    General Information

    • Carport: false
    • Covered Spaces: 2
    • Exterior Features: Lighting,Back Yard,Front Yard,Garden/Play,Side Yard,Sprinklers Automatic,Sprinklers Front,Sprinklers Side,Storage,Entry Gate,Landscape Back,Landscape Front,Private Entrance,Storage Area,Yard Space
    • Fencing: Fenced,Front Yard,Wood
    • Other Structures: Shed(s)
    • Pool Features: Gas Heat,In Ground,Pool Cover,Pool Sweep,Outdoor Pool
    • Pool Private: true
    • Sewer: Public Sewer
    • Utilities: Internet Available

    3937 Happy Valley Rd. Neighborhood

    Community

    94549 (Lafayette) Demographics

    46
    Median Age
    1,515
    Population Density (per sq. mile)
    79%
    College Educated
    $185,950
    Estimated Median Income
    7,935
    Estimated Total Home Owners
    2,895
    Estimated Total Renters
    73% / 27%
    Estimated Owner / Renter Divide
    3
    Estimated Average Household Size
    Community data courtesy of LiveBy, Inc.

    Schools

    School data courtesy of LiveBy, Inc. School ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating.

    3937 Happy Valley Rd. Monthly Cost

    $
    $ %
    %
    $
    $
    * All calculations are estimates and provided by Reliance Network, for informational purposes only. Actual amounts may vary. ** Assumes 6.50% APR, 20% down payment, and conventional 30-year fixed rate first mortgage. Rates cited are for instructional purposes only; current rates are subject to change at any time without notice. You should not make any decisions based simply on the information provided. Additional required amounts such as taxes, insurance, homeowner association dues, assessments, mortgage insurance premiums, flood insurance or other such required payments should also be considered. Contact your mortgage company for current rates and additional information. Any mortgage broker or insurance agent that may appear is independent and is not affiliated with, endorsed by, or provided by the MLS.

    3937 Happy Valley Rd. Market Data

    Based on the last 30 days in this zip code

    $2,113,582
    Average List Price
    $801
    Average Price per Square Foot
    33
    Properties Sold
    61
    Average Days on Market
    175
    Properties for Sale
    Calculations provided by Reliance Network

    3937 Happy Valley Rd. History

    Date Event Value Agent
    6/15/2026Source: bridgeMLS Status Change
    Active
    6/8/2026Source: bridgeMLS Status Change
    New
    6/7/2026Source: bridgeMLS Added to Database
    June 07, 2026
    6/7/2026Source: CRMLS Added to Database
    June 07, 2026
    Listing provided courtesy of Compass- MLS# 41137525MLS Provider