OFF MARKET

Off Market Nov 2022 for $5.4M

$6,337,088

Est. refi paymentEst. refi $32,884/mo

•

4,937

sq ft

3936 Happy Valley Rd, Lafayette, CA 94549

About this home

This is what dreams are made of! A fabulously unique single level home with soaring ceilings & walls of glass built by a student of Frank Lloyd Wright on an unbelievable private over 3-acre parcel in the heart of coveted Happy Valley with loads of potential & perfectly dreamy as-is. This prime parcel is perched off the street, behind a gate with a lovely floor plan including grand living & entertaining spaces inside & out. Be swept back in time (in a good way) as you enter the custom door & welcoming foyer which opens to the light filled living & dining rooms with walls of windows and oversized sliding glass doors to the flat backyard with gleaming pool, level lawn, outdoor covered lounge, beautiful gardens/landscaping California living at its best! The bedroom wing consists of four ensuite bedrooms, all with walk-in closets, including the primary suite as well as a generous office with separate entrance. A separate 1bed, 1 bath ADU could double as a pool house. a flat upper-level area with accessible driveway is large enough to build a tennis court, another home, or? This fabulous home, in an enclave of the highest luxury homes in the Lafayette area, close to town, commute, &12 years of top-rated schools is perfectly dreamy as-is & has bigger dream potential written all over it!

Single-familyProperty Type

1951Year Built

3.38 acresLot Size

$1,284Est. Price/Sq.Ft.

4 car garageParking

Listed by Amy Smith •DRE #01855959 • Village Associates Real Estate

Bought with Fritz Hochfellner •DRE #00869381 • Compass

Redfin checked: 2 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #41010725

Redfin Estimate

$6,337,088

$907K since sold in November 2022$28K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 6.2% higher than the average sale price ($5.97M) of 6 comparable homes.

SOLD BY REDFIN JUL 14, 2026
$2,590,000
A
5 beds3.5 baths4,280 sq ft
858 Mountain View Dr, Lafayette, CA 94549
SOLD MAY 7, 2026
$9,000,000
B
5 beds6.5 baths6,211 sq ft
4090 Happy Valley Rd, Lafayette, CA 94549
SOLD MAR 11, 2026
$4,250,000
C
5 beds4.5 baths5,014 sq ft
4040 Los Arabis Dr, Lafayette, CA 94549
SOLD JUN 1, 2026
$9,600,108
D
6 beds6 baths5,270 sq ft
3958 S Peardale Dr, Lafayette, CA 94549
SOLD NOV 26, 2025
$2,850,000
E
5 beds5.5 baths4,897 sq ft
3949 Canyon Dr, Lafayette, CA 94549
SOLD MAY 6, 2026
$7,500,000
F
5 beds5.5 baths5,310 sq ft
8 Sycamore Rd, Orinda, CA 94563

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Earn from this home

Sell

$1,968,391

Est. take-home

List your home with Redfin and save $31,685

Refinance

Est. cash available

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Rent

$9,886/mo

Redfin rental estimate

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Market trends in 94549, CA

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.9%

0.2% MoM

Median sale price

$2.0M

$452 MoM

Avg. days on market

18d

0 days MoM

Recently sold homes

15 MoM

New listings for sale

$825,000
2 beds1.5 baths1,038 sq ft
917 Hough Ave #9, Lafayette, CA 94549
COMING SOON
$2,498,000
5 beds3.5 baths4,350 sq ft
857A Mountain View Dr, Lafayette, CA 94549
$2,100,000
4 beds2.5 baths2,086 sq ft
829 Reliez Station Rd, Lafayette, CA 94549
$1,587,000
4 beds3 baths2,392 sq ft
16 Ruth Ct, Lafayette, CA 94549
$1,925,000
4 beds3 baths2,228 sq ft
859 Mountain View Dr, Lafayette, CA 94549
OPEN TUE, 11AM TO 2PM
$2,495,000
3 beds3 baths2,686 sq ft
1232 Upper Happy Vly, Lafayette, CA 94549
$2,195,000
3 beds2 baths1,658 sq ft
210 Lafayette Cir #302, Lafayette, CA 94549
$3,999,000
4 beds3.5 baths4,114 sq ft
3647 Happy Valley Rd, Lafayette, CA 94549
$2,995,000
4 beds3.5 baths4,076 sq ft
2 Reliez Manor Ct, Lafayette, CA 94549
COMING SOON
$1,699,000
3 beds2 baths1,956 sq ft
3149 Indian Way, Lafayette, CA 94549
See all

Provided by Redfin

Sale history for 3936 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$63,482 (+1.7%)

$3,183,624 + $2,578,735

$5,762,359

2024

$62,421 (+1.7%)

$3,121,200 + $2,528,172

$5,649,372

2023

$61,393 (+538.4%)

$3,060,000 + $2,478,600

$5,538,600

2022

$9,616 (+3.0%)

$3,000,000 + $2,430,000

$5,430,000

2021

$9,339 (+0.2%)

$177,076 + $520,572

$697,648

2020

$9,316 (+4.2%)

$173,604 + $510,365

$683,969

2019

$8,942 (+3.6%)

$171,824 + $505,132

$676,956

2018

$8,631 (+1.7%)

$168,455 + $495,228

$663,683

2017

$8,484 (+2.1%)

$161,914 + $475,999

$637,913

2016

$8,308 (+2.8%)

$161,914 + $475,999

$637,913

2015

$8,079 (+1.1%)

$158,740 + $466,666

$625,406

2014

$7,991 (+1.4%)

$153,294 + $450,653

$603,947

2013

$7,884 (+3.1%)

$153,294 + $450,653

$603,947

2012

$7,645 (+1.7%)

$152,602 + $448,617

$601,219

2011

$7,518 (+3.5%)

$149,610 + $439,821

$589,431

2010

$7,264 (+1.2%)

$146,677 + $431,198

$577,875

2009

$7,175 (+1.7%)

$145,581 + $427,976

$573,557

2008

$7,054

$145,927 + $428,993

$574,920

Tax history for 3936 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$63,482 (+1.7%)

$3,183,624 + $2,578,735

$5,762,359

2024

$62,421 (+1.7%)

$3,121,200 + $2,528,172

$5,649,372

2023

$61,393 (+538.4%)

$3,060,000 + $2,478,600

$5,538,600

2022

$9,616 (+3.0%)

$3,000,000 + $2,430,000

$5,430,000

2021

$9,339 (+0.2%)

$177,076 + $520,572

$697,648

2020

$9,316 (+4.2%)

$173,604 + $510,365

$683,969

2019

$8,942 (+3.6%)

$171,824 + $505,132

$676,956

2018

$8,631 (+1.7%)

$168,455 + $495,228

$663,683

2017

$8,484 (+2.1%)

$161,914 + $475,999

$637,913

2016

$8,308 (+2.8%)

$161,914 + $475,999

$637,913

2015

$8,079 (+1.1%)

$158,740 + $466,666

$625,406

2014

$7,991 (+1.4%)

$153,294 + $450,653

$603,947

2013

$7,884 (+3.1%)

$153,294 + $450,653

$603,947

2012

$7,645 (+1.7%)

$152,602 + $448,617

$601,219

2011

$7,518 (+3.5%)

$149,610 + $439,821

$589,431

2010

$7,264 (+1.2%)

$146,677 + $431,198

$577,875

2009

$7,175 (+1.7%)

$145,581 + $427,976

$573,557

2008

$7,054

$145,927 + $428,993

$574,920

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Public record
Permits

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

3.38 Acres

Year renovated

1951

Sq. Ft.

3,986

Year built

1951

Style

Single Family Residential

County

Contra Costa County

APN

2460500289

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2026.

Apr 14, 2025 • Final

Building - residential ess/battery storage

Install a battery backup system to an existing grid-tied photovoltaic system.

Battery

Electrical

Solar

Feb 20, 2024 • Final

Building - residential solar photovoltaic

Install a new roof-mounted grid-tied photovoltaic system and a new electrical sub-panel.

Battery

Electrical

Solar

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Parking

Parking Information
Has Attached Garage
Garage Spaces: 4
Covered Spaces: 4
Parking Features: Attached, Workshop in Garage

Interior

Virtual Tour

Bathroom Information
# of Bathrooms Total: 6
# of Bathrooms Full: 5
# of Bathrooms Partial: 1
ADU Baths Full: 1
Other Bathrooms Included Features: Shower Over Tub, Skylight, Solid Surface, Stall Shower, Tile, Tub, Window
Primary Bathroom Included Features: Solid Surface, Stall Shower, Sunken Tub, Tile, Tub with Jets, Updated Baths, Double Sinks, Multiple Shower Heads, Stone

Interior Features
Interior Features: Live/Work Unit, Den, Family Room, In-Law Floorplan, Kitchen/Family Combo, Breakfast Bar, Breakfast Nook, Stone Counters, Eat-in Kitchen, Pantry, Wet Bar, Sound System
Appliances: Dishwasher, Double Oven, Gas Range, Oven, Refrigerator, Trash Compactor, Gas Water Heater, Tankless Water Heater
Laundry Features: 220 Volt Outlet, Hookups Only
Street Level Features: 5 Bedrooms, 5+ Baths, Primary Bedrm Suite - 1, Primary Bedrm Suites - 2, No Steps to Entry, Main Entry
Window Features: Window Coverings
Fireplaces Total: 3
Has Fireplace
Flooring: Hardwood, Laminate, Tile, Carpet

Room Information
Kitchen Features: Breakfast Bar,Breakfast Nook,Counter - Stone,Dishwasher,Double Oven,Eat In Kitchen,Gas Range/Cooktop,Oven Built-in,Pantry,Refrigerator,Trash Compactor,Wet Bar
ADU Has Kitchen
Rooms Total: 10
Fireplace Features: Brick, Den, Family Room, Insert, Gas, Gas Starter, Living Room

Exterior

Building Information
Construction Materials: Stucco
Building Area Total: 4,937

Exterior Features
Patio And Porch Features: Deck, Patio, Covered
Exterior Features: Backyard, Garden, Back Yard, Front Yard, Garden/Play, Side Yard, Sprinklers Automatic
Fencing: Fenced
Roof: Shingle

Pool Information
Pool Features: In Ground
Has Private Pool

Property Information
Living Area: 4937
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1951
Has ADU

Lot Information
Other Structures: Guest House
Lot Size Square Feet: 147320
Lot Size Area: 3.38
Lot Size Units: Acres
Lot Size Acres: 3.38
Lot Features: Level, Premium Lot, Front Yard

Utilities

Utility Information
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Forced Air, Fireplace Insert, Fireplace(s)
Cooling: Ceiling Fan(s), Central Air

Public facts

Beds: 4
Baths: 5.0
Sq. Ft.: 3,986
Stories: 2.0
Lot Size: 3.38 acres
Style: Single Family Residential
Year Built: 1951
Year Renovated: 1951
County: Contra Costa County
APN: 2460500289

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Happy Valley Elementary School

Public K-5 • Assigned • 0.3mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 2.3mi

8/10

Acalanes High School

Public 9-12 • Assigned • 2.8mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

4/10 Fire Factor

2% chance of being in a wildfire in next 30 years

3/10 Heat Factor

7 days above 92° expected this year, 16 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

8/10 Air Factor

15 unhealthy days expected this year, 16 days in 30 years

Provided by First Street

Historical weather

Lafayette, CA • 94549

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 11.5 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

11.5 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$6.02M – $7.29M

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Home values near 3936 Happy Valley Rd

Data from public records.

Address	Redfin Estimate
3900 Happy Valley Rd, Lafayette, CA 5 Beds \| 3 Baths \| 2896 Sq. Ft.	$2,986,212
3893 Happy Valley Rd, Lafayette, CA 3 Beds \| 3 Baths \| 2715 Sq. Ft.	$2,386,430

Address	Redfin Estimate
3915 Happy Valley Rd, Lafayette, CA 6 Beds \| 6.5 Baths \| 6940 Sq. Ft.	$9,697,281
3957 Happy Valley Rd, Lafayette, CA 4 Beds \| 3 Baths \| 3440 Sq. Ft.	$3,865,312

Address	Redfin Estimate
3955 Happy Valley Rd, Lafayette, CA 7 Beds \| 8.5 Baths \| 13737 Sq. Ft.	$7,362,693
3938 Happy Valley Rd, Lafayette, CA 5 Beds \| 5.5 Baths \| - Sq. Ft.	$4,395,234

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2022. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 94549, CA

Sale history for 3936 Happy Valley Rd

Tax history for 3936 Happy Valley Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94549

Home values near 3936 Happy Valley Rd

More real estate resources