3890 Happy Valley Rd
Lafayette, CA 94549
Map
- 6 beds
- 6 baths
- 4,958 sqft
- ~3/4 acre lot
- $1,289 per sqft
- 1939 build
- – on site
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 checked:
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Last updated Jun 27, 2025
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MLS# 41101988 —
This home is listed in more than one place. See it here.
The Building
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Year Built:1939
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Building Area Units:Square Feet
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New Construction:false
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Construction Materials:Wood Siding
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Architectural Style:Traditional
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Roof:Shingle
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Foundation Details:Slab
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Stories:1
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Levels:One Story
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Basement:Crawl Space
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Security Features:Fire Sprinkler System
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Green Energy Efficient:Insulation - Other
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Building Area Total:4958
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Building Area Source:Measured
Interior
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Interior Features:Office
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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
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Flooring:Hardwood Flrs Throughout
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Rooms Total:11
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Fireplace:true
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Fireplaces Total:2
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Fireplace Features:Family Room
Room Dimensions
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Living Area:4958
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Living Area Units:Square Feet
Location
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Directions:Mt Diablo to Happy Valley Rd
The Property
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Property Type:Residential
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Property Subtype:Single Family Residence
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Property Condition:Existing
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Exterior Features:Garden
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Parcel Number:2460600113
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Lot Features:Level
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Lot Size Area:0.66
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Lot Size Acres:0.66
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Lot Size SqFt:28750
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Lot Size Units:Acres
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Fencing:Fenced
Listing Agent
- Contact info:
- Agent phone:
- (925) 951-3817
Beds
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Bedrooms Total:6
Baths
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Total Baths:6
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Full Baths:5
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Partial Baths:1
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Bath Includes:Solid Surface
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Bath Includes:Solid Surface
The Listing
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Listing Terms:Cash
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Virtual Tour URL Branded:https://3890happyvalleyroad.relahq.com
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Virtual Tour URL Unbranded:https://3890happyvalleyroad.relahq.com/?mls
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Special Listing Conditions:Standard
Heating & Cooling
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Heating:Zoned
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Heating:true
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Cooling:Central Air
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Cooling:true
Utilities
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Utilities:Cable Available
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Electric:No Solar
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Electric On Property:true
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Green Water Conservation:Low Flow Shower
Appliances
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Appliances:Double Oven
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Laundry Features:220 Volt Outlet
Schools
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High School District:Acalanes (925) 280-3900
The Community
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Subdivision Name:HAPPY VALLEY RD
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Association:false
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Pool Private:true
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Pool Features:Black Bottom
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Pets Allowed:Yes
Parking
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Garage:true
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Attached Garage:false
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Garage Spaces:3
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Carport:false
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Parking Features:Detached
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Covered Spaces:3
Monthly cost estimate
Asking price
$6,395,000
| Expense | Monthly cost |
|---|---|
|
Mortgage
This calculator is intended for planning and education purposes only. It relies on assumptions and information provided by you regarding your goals, expectations and financial situation, and should not be used as your sole source of information. The output of the tool is not a loan offer or solicitation, nor is it financial or legal advice. |
$34,243
|
| Taxes | N/A |
| Insurance | $1,758 |
| Utilities | $295 See report |
| Total | $36,296/mo.* |
| *This is an estimate |
Walk Score®
Provided by WalkScore® Inc.
Walk Score is the most well-known measure of walkability for any address. It is based on the distance to a variety of nearby services and pedestrian friendliness. Walk Scores range from 0 (Car-Dependent) to 100 (Walker’s Paradise).
Bike Score®
Provided by WalkScore® Inc.
Bike Score evaluates a location's bikeability. It is calculated by measuring bike infrastructure, hills, destinations and road connectivity, and the number of bike commuters. Bike Scores range from 0 (Somewhat Bikeable) to 100 (Biker’s Paradise).
Soundscore™
Provided by HowLoud
Soundscore is an overall score that accounts for traffic, airport activity, and local sources. A Soundscore rating is a number between 50 (very loud) and 100 (very quiet).
Air Pollution Index
Provided by ClearlyEnergy
The air pollution index is calculated by county or urban area using the past three years data. The index ranks the county or urban area on a scale of 0 (best) - 100 (worst) across the United Sates.
Sale history
| Date | Event | Source | Price | % Change |
|---|---|---|---|---|
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6/23/25
Jun 23, 2025
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Pending | BRIDGE | $6,395,000 | |
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6/19/25
Jun 19, 2025
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Listed / Active | BRIDGE | $6,395,000 | 63.6% (59.3% / YR) |
|
5/24/24
May 24, 2024
|
CRMLS_CA | $3,910,000 | 3.0% |
