$7,000,000
SOLD JUL 7, 2025
6 Beds
5.5 Baths
4,958 Sq Ft
0.66 Acres

Recently Sold

$1,412 Per Sq Ft

9% Above List Price

4 Days on Market

Highlights

  • In Ground Pool
  • Updated Kitchen
  • Traditional Architecture
  • Happy Valley Elementary School Rated A
  • Fireplace in Primary Bedroom
  • Wood Flooring

About This Home

As of July 2025

Tucked behind a gated circular driveway, 3890 Happy Valley Road blends timeless architecture with modern ease. Renovated in 2025 by Martin Homes Team with quality and attention to detail throughout. Set on a flat .66-acre lot with 6BD, 5.5BA, detached guest house, 3-car garage, and pool. Ideal single-level layout with vaulted ceilings, custom woodwork, and both formal and casual living areas—perfect for indoor/outdoor California living. The kitchen stuns with an 18-ft Fleetwood door, oversized Cristallo island, custom Blueline cabinetry with Walnut Island, Subzero wine/refrigeration wall, 48” Wolf range, built-in espresso bar, and walk-in pantry. Family room, formal dining, and living room flow seamlessly together. Magical yard with lush, mature landscaping, fully remodeled black-bottom Pebble Tec pool, paver deck, built-in BBQ, Montana steel firepit, new steel gate & fencing. The 1,170 SF ADU (2020) offers an en-suite bedroom, full kitchen, laundry & open-concept living—ideal for guests or WFH. Upgrades include 10” Italian white oak floors, Kolby windows, custom ceilings, steel pivot door, Trustile doors, Rejuvenation lighting, and two Mendota fireplaces. All just minutes to top-rated schools, Lafayette trails, charming downtown & commute access.

Last Agent to Sell the Property

Erin Martin

Compass License #01922810 Listed on: 06/19/2025

Compass

Co-Listed By

Darrick Martin

Compass License #02006564

Last Buyer's Agent

Dana Green

Compass License #01482454

Compass

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $8,407

Year Built

  • Built in 1939

Lot Details

  • 0.66 Acre Lot
  • Back and Front Yard

Parking

  • 3 Car Detached Garage
  • Front Facing Garage
  • Garage Door Opener

Home Design

  • Traditional Architecture
  • Slab Foundation
  • Composition Shingle Roof
  • Metal Roof
  • Wood Siding

Interior Spaces

  • 1-Story Property
  • Self Contained Fireplace Unit Or Insert
  • Gas Fireplace
  • Family Room with Fireplace
  • 2 Fireplaces

Kitchen

  • Updated Kitchen
  • Double Oven
  • Built-In Range
  • Microwave
  • Plumbed For Ice Maker

Flooring

  • Wood
  • Carpet
  • Tile

Bedrooms and Bathrooms

  • 6 Bedrooms
  • Fireplace in Primary Bedroom

Laundry

  • Dryer
  • Washer
  • 220 Volts In Laundry

Pool

  • In Ground Pool
  • Gunite Pool
  • Outdoor Pool

Utilities

  • Zoned Heating and Cooling System
  • Thermostat
  • 220 Volts in Kitchen
  • High-Efficiency Water Heater
  • Gas Water Heater

Listing and Financial Details

  • Assessor Parcel Number 2460600113

Community Details

Overview

  • No Home Owners Association
  • Happy Valley Rd Subdivision

Recreation

  • Black Bottom Community Pool

Home Details

Home Type

Single Family

Est. Annual Taxes

$8,407

Year Built

Built in 1939

Lot Details

0

Parking

3

Listing Details

  • Stories: 1
  • Year Built: 1939
  • Property Sub Type: Detached
  • Prop. Type: Residential
  • Co List Office Mls Id: CCCOMPS01
  • Subdivision Name: Happy Valley Rd
  • Directions: Mt Diablo to Happy Valley Rd
  • Architectural Style: Traditional
  • Garage Yn: Yes
  • Unit Levels: One Story
  • New Construction: No
  • Efficiency: Insulation - Other, Thermostat, Water Heater
  • Special Features: VirtualTour

Interior Features

  • Flooring: Hardwood Flrs Throughout, Tile, Carpet
  • Appliances: Double Oven, Gas Range, Plumbed For Ice Maker, Microwave, Range, Refrigerator, Dryer, Washer, Gas Water Heater
  • Full Bathrooms: 5
  • Total Bedrooms: 6
  • Fireplace Features: Family Room, Insert, Gas, Master Bedroom
  • Fireplaces: 2
  • Fireplace: Yes
  • Room Kitchen Features: 220 Volt Outlet, Stone Counters, Double Oven, Gas Range/Cooktop, Ice Maker Hookup, Kitchen Island, Microwave, Pantry, Range/Oven Built-in, Refrigerator, Updated Kitchen, Other

Exterior Features

  • Roof: Composition Shingles, Metal
  • Lot Features: Level, Premium Lot, Back Yard, Front Yard, Landscaped, Sprinklers In Rear
  • Pool Features: Black Bottom, Gunite, In Ground, Outdoor Pool
  • Pool Private: Yes
  • Construction Type: Wood Siding
  • Foundation Details: Slab
  • Property Condition: Existing

Garage/Parking

  • Garage Spaces: 3
  • Parking Features: Detached, Garage Faces Front, Garage Door Opener

Utilities

  • Heating: Zoned, Other, MultiUnits
  • Cooling: Central Air
  • Laundry Features: 220 Volt Outlet, Dryer, Gas Dryer Hookup, Laundry Room, Washer, Electric, Sink
  • Cooling Y N: Yes
  • Heating Yn: Yes
  • Electric: No Solar, 220 Volts in Kitchen
  • Water Source: Public

Condo/Co-op/Association

  • Association: No
  • Pets Allowed: Yes

Schools

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

Lot Info

  • Lot Size Sq Ft: 28750
  • Parcel Number: 2460600113

Ownership History

Date Name Owned For Owner Type

Purchase Details

Listed on
Jun 19, 2025
Closed on
Jul 1, 2025
Sold by
Martin Family Trust and Martin Darrick R
Bought by
Elizabeth K Reardon Trust and Reardon
Seller's Agent
Erin Martin
Compass
Buyer's Agent
Dana Green
Compass
List Price
$6,395,000
Sold Price
$7,000,000
Premium/Discount to List
$605,000
9.46%
Views
35

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
-100.00%

Purchase Details

Listed on
Apr 22, 2024
Closed on
May 16, 2024
Sold by
Grannis Family Trust and Moore Virginia E
Bought by
Martin Family Trust and Martin
Seller's Agent
Julie Dudum Del Santo
Dudum Real Estate Group
Buyer's Agent
Erin Martin
Compass
List Price
$3,795,000
Sold Price
$3,910,000
Premium/Discount to List
$115,000
3.03%
Views
4

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
68.20%
Original Mortgage
$2,346,000
Interest Rate
6.63%
Mortgage Type
New Conventional
Source: Public Records

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Range of Values:

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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Purchase History

Date Type Sale Price Title Company
Grant Deed $7,000,000 Old Republic Title
Grant Deed $3,910,000 Old Republic Title
Source: Public Records

Mortgage History

Date Status Loan Amount Loan Type
Previous Owner $2,346,000 New Conventional
Source: Public Records

Property History

Date Event Price Change Sq Ft Price
07/07/2025 07/07/25 Sold $7,000,000 +9.5% $1,412 / Sq Ft
06/23/2025 06/23/25 Pending -- -- --
06/19/2025 06/19/25 For Sale $6,395,000 +63.6% $1,290 / Sq Ft
02/04/2025 02/04/25 Off Market $3,910,000 -- --
05/24/2024 05/24/24 Sold $3,910,000 +3.0% $835 / Sq Ft
04/26/2024 04/26/24 Pending -- -- --
04/22/2024 04/22/24 For Sale $3,795,000 -- $810 / Sq Ft
Source: Contra Costa Association of REALTORS®

Tax History Compared to Growth

Source: Public Records

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 $8,407 $3,988,200 $3,060,000 $928,200
2024 $8,234 $579,006 $60,048 $518,958
2023 $8,234 $567,654 $58,871 $508,783
2022 $8,420 $556,524 $57,717 $498,807
2021 $8,159 $545,613 $56,586 $489,027
2019 $4,859 $325,659 $54,908 $270,751
2018 $4,683 $319,275 $53,832 $265,443
2017 $4,598 $313,016 $52,777 $260,239
2016 $3,903 $306,880 $51,743 $255,137
2015 $3,782 $302,271 $50,966 $251,305
2014 $3,728 $296,351 $49,968 $246,383
Source: Public Records

Agents Affiliated with this Home

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Map

Source: Contra Costa Association of REALTORS®

MLS Number: 41101988

Contra Costa Association of REALTORS®

APN: 246-060-011-3