NOT LISTED FOR SALE

3828 Happy Valley Rd Lafayette, CA 94549

Happy Valley Neighborhood

Estimated Value: $6,751,000 - $7,066,382

5 Beds
6.5 Baths
7,500 Sq Ft
$926/Sq Ft Est. Value

Sale Details

Date Sold: September 3, 2025

Last sale price $7,000,000 $933 Per Sq Ft

Est. 1% decrease in value since last sale

Current estimated payment $42,007 / mo

Highlights

  • In Ground Pool
  • Custom Home
  • 71,438 Sq Ft lot
  • Happy Valley Elementary School Rated A
  • Updated Kitchen
  • View of Hills

About This Home

As of September 2025

Extraordinary ultra-private 1.64 acre estate in the heart of Lafayette’s Happy Valley. This iconic estate was transformed by Kellie Beaubelle of The Beaubelle Group who ensured the design not only looked beautiful but lived beautifully. Enter through a double-gated circular drwy. 7500+/-SF. Single lvl home. White oak flrs. Custom Bellbridge wool carpet. Moroccan plaster walls. Curated fixtures. Raised ceilings. Multiple French drs. 5 bds. 6.5 bths w/marble finishes, custom vanities, fixtures. Inclds pvt au pair/guest ste. & luxurious primary retreat w/spa-inspired en suite, dual vanities, free-standing tub, dual walk-in closet rms w/custom built-ins. Adjacent workout rm. Great rm w/frpl, 3 sets of French drs open to bkyd. Formal dining rm. Executive office w/frpl. Bonus/game rm w/frpl. Spectacular gourmet kitchen w/Viola marble counters, custom cabinetry, 60” Wolf dual oven range, 48’ Thermador frig/freezer + extra Sub-Zero frig, 50+bottle wine frig, dual Bosch DWs. Sitting rm w/built-in banquette, cabinetry. Park-like bkyd. Brick patio. 42-ft pool. Tennis ct. Sprawling synthetic turf. Lush foliage. Mature trees. 3, 2-car garages, 2 mudrms w/built-ins. Endless possibilities to further develop land. Less than 2 mi to downtown; easy walk to Happy Valley Elem.

Last Agent to Sell the Property

Glenn Beaubelle

Compass License #00678426 Listed on: 09/02/2025

Compass

Last Buyer's Agent

Ann Newton Cane

Golden Gate Sotheby's Int'l Re License #02084093

Golden Gate Sotheby's Int'l Re

Home Details

Home Type

  • Single Family

Year Built

  • Built in 1950

Lot Details

  • 1.64 Acre Lot
  • Lot Sloped Up
  • Back and Front Yard

Parking

  • 6 Car Direct Access Garage
  • Side Facing Garage
  • Garage Door Opener

Home Design

  • Custom Home
  • Traditional Architecture
  • Raised Foundation
  • Composition Shingle Roof
  • Wood Siding

Interior Spaces

  • 1-Story Property
  • Fireplace With Gas Starter
  • Stone Fireplace
  • Double Pane Windows
  • Bay Window
  • Window Screens
  • Living Room with Fireplace
  • 3 Fireplaces
  • Den with Fireplace
  • Recreation Room with Fireplace
  • Views of Hills
  • Security Gate

Kitchen

  • Updated Kitchen
  • Breakfast Area or Nook
  • Double Oven
  • Gas Range
  • Free-Standing Range
  • Microwave
  • Dishwasher
  • Solid Surface Countertops

Flooring

  • Engineered Wood
  • Carpet
  • Tile

Bedrooms and Bathrooms

  • 5 Bedrooms

Laundry

  • Dryer
  • Washer

Pool

  • In Ground Pool
  • Gas Heated Pool
  • Gunite Pool
  • Pool Sweep

Utilities

  • Zoned Heating and Cooling System
  • Power Generator
  • Tankless Water Heater
  • Gas Water Heater

Community Details

  • No Home Owners Association
  • Happy Valley Subdivision

Listing and Financial Details

  • Assessor Parcel Number 2460900083

Home Details

Home Type

Single Family

Year Built

Built in 1950

Lot Details

1.64 Acres

Parking

6

Listing Details

  • Stories: 1
  • Year Built: 1950
  • Property Sub Type: Detached
  • Prop. Type: Residential
  • Subdivision Name: Happy Valley
  • Directions: Mt Diablo Blvd or Deerhill Rd to Happy Valley Road
  • Architectural Style: Custom, Traditional
  • Garage Yn: Yes
  • Unit Levels: One Story
  • New Construction: No
  • Special Features: None

Interior Features

  • Flooring: Hardwood, Tile, Carpet, Engineered Wood
  • Appliances: Dishwasher, Double Oven, Gas Range, Microwave, Free-Standing Range, Refrigerator, Dryer, Washer, Gas Water Heater, Tankless Water Heater
  • Full Bathrooms: 6
  • Total Bedrooms: 5
  • Fireplace Features: Den, Gas Starter, Living Room, Recreation Room, Stone, Other
  • Fireplaces: 3
  • Fireplace: Yes
  • Window Features: Double Pane Windows, Bay Window(s), Screens
  • Room Kitchen Features: Breakfast Nook, Counter - Solid Surface, Stone Counters, Dishwasher, Double Oven, Eat-in Kitchen, Disposal, Gas Range/Cooktop, Kitchen Island, Microwave, Pantry, Range/Oven Free Standing, Refrigerator, Updated Kitchen

Exterior Features

  • Roof: Composition Shingles
  • Lot Features: Level, Premium Lot, Sloped Up, Back Yard, Front Yard, Landscaped, Security Gate, Sprinklers In Rear
  • Pool Features: Gas Heat, Gunite, In Ground, Pool Sweep, Outdoor Pool
  • Pool Private: Yes
  • View: Hills
  • Construction Type: Wood Siding
  • Foundation Details: Raised
  • Property Condition: Existing

Garage/Parking

  • Garage Spaces: 6
  • Parking Features: Attached, Int Access From Garage, Enclosed, Garage Faces Side, Garage Door Opener

Utilities

  • Heating: Zoned
  • Cooling: Central Air
  • Laundry Features: Dryer, Laundry Room, Washer, Sink
  • Cooling Y N: Yes
  • Heating Yn: Yes
  • Electric: No Solar, Generator
  • Water Source: Public

Condo/Co-op/Association

  • Association: No

Schools

  • Senior High School District: Acalanes (925) 280-3900

Lot Info

  • Lot Size Sq Ft: 71438
  • Parcel Number: 2460900083

Ownership History

Date Name Owned For Owner Type

Purchase Details

Listed on
Sep 2, 2025
Closed on
Aug 27, 2025
Sold by
Mint 1031 Llc
Bought by
3828 Happy Valley Llc
Seller's Agent
Glenn Beaubelle
Compass
Buyer's Agent
Ann Newton Cane
Golden Gate Sotheby's Int'l Re
List Price
$7,000,000
Sold Price
$7,000,000
Views
13
Current Estimated Value
$6,945,346

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
-$54,654
Avg. Annual Appreciation
-1.15%

Purchase Details

Closed on
Sep 10, 2019
Sold by
Rosebud Lp
Bought by
Mint 1031 Llc

Purchase Details

Closed on
Oct 20, 2015
Sold by
Timken William R and Timken Judith P
Bought by
Timken Jean K

Purchase Details

Closed on
Oct 31, 2012
Sold by
Timken William R and Timken Judith P
Bought by
Timken Jean K

Purchase Details

Closed on
Dec 6, 2007
Sold by
Timken Jean K
Bought by
Rosebud Lp

Purchase Details

Closed on
Sep 10, 2007
Sold by
Timken William R and Timken Judith P
Bought by
Timken William R and Timken Judith P

Purchase Details

Closed on
Mar 3, 2000
Sold by
Timken William R and Timken Judith P
Bought by
Timken William R and Timken Judith P
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
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Average Value
Not Available
List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Buyer Sale Price Title Company
3828 Happy Valley Llc $7,000,000 First American Title
Mint 1031 Llc $4,500,000 Chicago Title Company
Timken Jean K -- None Available
Timken Jean K -- None Available
Rosebud Lp -- None Available
Timken William R -- None Available
Timken William R -- None Available
Timken William R -- None Available
Timken William R -- None Available
Timken William R -- --
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft
09/03/2025 09/03/25 Sold $7,000,000 0.0% $933 / Sq Ft
09/02/2025 09/02/25 Pending -- -- --
09/02/2025 09/02/25 For Sale $7,000,000 -- $933 / Sq Ft
Source: Contra Costa Association of REALTORS®

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $59,163 $5,251,405 $3,280,937 $1,970,468
2024 $53,749 $4,824,907 $3,216,605 $1,608,302
2023 $53,749 $4,730,302 $3,153,535 $1,576,767
2022 $52,937 $4,637,551 $3,091,701 $1,545,850
2021 $51,406 $4,546,620 $3,031,080 $1,515,540
2019 $13,793 $1,144,184 $101,067 $1,043,117
2018 $13,306 $1,121,750 $99,086 $1,022,664
2017 $13,656 $1,099,756 $97,144 $1,002,612
2016 $12,821 $1,078,193 $95,240 $982,953
2015 $12,474 $1,061,999 $93,810 $968,189
2014 $12,474 $1,041,197 $91,973 $949,224
Source: Public Records

Agents Affiliated with this Home

  • Glenn Beaubelle

    Seller's Agent in 2025

    Glenn Beaubelle

    Compass

    (925) 254-1212

    12 in this area

    84 Total Sales

    Glenn Beaubelle
    Section Image
  • Ann Newton Cane

    Buyer's Agent in 2025

    Ann Newton Cane

    Golden Gate Sotheby's Int'l Re

    (415) 999-0253

    21 in this area

    136 Total Sales

    Ann Newton Cane
    Section Image
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Map

Source: Contra Costa Association of REALTORS®

MLS Number: 41110095

Contra Costa Association of REALTORS®

APN: 246-090-008-3

California Contra Costa County Lafayette 94549 Happy Valley

3828 Happy Valley Rd, Lafayette, CA

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Contra Costa Association of REALTORS® Bay East ©2026. BridgeMLS ©2026, CCAR ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, BridgeMLS or CCAR MLS. 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.

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