3900 Happy Valley Rd, Lafayette, CA 94549

Off Market Jun 2000 for $1M

$2,986,212

Est. refi paymentEst. refi $2,920/mo

•

2,896

sq ft

3900 Happy Valley Rd, Lafayette, CA 94549

About this home

Single-familyProperty Type

1958Year Built

1 acresLot Size

$1,031Est. Price/Sq.Ft.

1 spaceParking

Listed by Laurie Baker • Prudential California Realty

Bought with Dorothy Hamilton • Prudential California Realty

Redfin checked: a minute ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #11049568

Redfin Estimate

$2,986,212

$1.9M since sold in June 2000$33K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 13.8% higher than the average sale price ($2.62M) of 6 comparable homes.

SOLD JUL 27, 2026
$2,800,000
A
5 beds3.5 baths3,169 sq ft
1038 Pine Ln, Lafayette, CA 94549
SOLD JUN 10, 2026
$1,630,000
B
4 beds3 baths2,420 sq ft
742 Miner Rd, Orinda, CA 94563
SOLD JUN 2, 2026
$3,950,000
C
4 beds3 baths3,311 sq ft
3853 Palo Alto Dr, Lafayette, CA 94549
SOLD DEC 9, 2025
$1,400,000
D
5 beds3 baths2,875 sq ft
1126 N Thompson Rd, Lafayette, CA 94549
SOLD MAY 15, 2026
$2,450,000
E
4 beds2 baths2,686 sq ft
3958 Los Arabis Dr, Lafayette, CA 94549
SOLD JUN 15, 2026
$3,512,500
F
5 beds3.5 baths3,608 sq ft
368 Dalewood Dr, Orinda, CA 94563

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Earn from this home

Sell

$2,659,436

Est. take-home

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Refinance

Est. cash available

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Rent

$9,413/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

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857A Mountain View Dr, Lafayette, CA 94549
OPEN SUN, 12PM TO 4PM
$2,100,000
4 beds2.5 baths2,086 sq ft
829 Reliez Station Rd, Lafayette, CA 94549
OPEN SUN, 1PM TO 4PM
$1,587,000
4 beds3 baths2,392 sq ft
16 Ruth Ct, Lafayette, CA 94549
OPEN SUN, 1PM TO 4PM
$1,925,000
4 beds3 baths2,228 sq ft
859 Mountain View Dr, Lafayette, CA 94549
OPEN SUN, 2PM TO 4PM
$2,495,000
3 beds3 baths2,686 sq ft
1232 Upper Happy Vly, Lafayette, CA 94549
OPEN SUN, 1PM TO 4PM
$2,195,000
3 beds2 baths1,658 sq ft
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OPEN SUN, 1PM TO 4PM
$3,999,000
4 beds3.5 baths4,114 sq ft
3647 Happy Valley Rd, Lafayette, CA 94549
OPEN SUN, 2PM TO 4PM
$2,995,000
4 beds3.5 baths4,076 sq ft
2 Reliez Manor Ct, Lafayette, CA 94549
COMING SOON
$1,699,000
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See all

Provided by Redfin

Sale history for 3900 Happy Valley Rd

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #11049568

Jun 1, 2000

Sold

$1,050,000

$363/sq ft

May 1, 2000

Listing Removed

—

Apr 24, 2000

Listed

$995,000

$344/sq ft

Public Records

Sep 11, 1996

Sold

$680,000

$235/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #10221478

Sep 11, 1996

Listing Removed

—

Jul 21, 1996

Listed

$228/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #26221478

Sep 11, 1996

Sold

$680,000

$235/sq ft

Jul 24, 1996

Listing Removed

—

Jul 21, 1996

Listed

$659,000

$228/sq ft

Public Records

Oct 1, 1991

Sold

$630,000

$218/sq ft

Public Records

Oct 1, 1978

Sold

$235,500

$81/sq ft

** Price available after signing in.

Year

Property tax

Land + Additions

Assessment*

2025

$23,416 (+1.7%)

$783,853 + $1,220,120

$2,003,973

2024

$23,020 (+1.7%)

$768,484 + $1,196,197

$1,964,681

2023

$22,625 (+1.6%)

$753,416 + $1,172,743

$1,926,159

2022

$22,279 (+3.0%)

$738,644 + $1,149,749

$1,888,393

2021

$21,635 (−0.4%)

$724,161 + $1,127,205

$1,851,366

2020

$21,722 (+2.4%)

$709,962 + $1,105,103

$1,815,065

2019

$21,223 (+3.7%)

$702,683 + $1,093,772

$1,796,455

2018

$20,474 (+1.7%)

$688,905 + $1,072,326

$1,761,231

2017

$20,123 (+1.8%)

$662,155 + $1,030,687

$1,692,842

2016

$19,759 (+2.8%)

$662,155 + $1,030,687

$1,692,842

2015

$19,228 (+0.8%)

$649,172 + $1,010,478

$1,659,650

2014

$19,070 (+1.1%)

$626,896 + $975,804

$1,602,700

2013

$18,859 (+3.1%)

$626,896 + $975,804

$1,602,700

2012

$18,297 (+1.5%)

$624,063 + $971,394

$1,595,457

2011

$18,028 (+9.0%)

$611,827 + $952,348

$1,564,175

2010

$16,538 (+0.5%)

$599,831 + $933,675

$1,533,506

2009

$16,459 (−0.6%)

$582,145 + $833,355

$1,415,500

2008

$16,560

$582,145 + $833,355

$1,415,500

Tax history for 3900 Happy Valley Rd

Year

Property tax

Land + Additions

Assessment*

2025

$23,416 (+1.7%)

$783,853 + $1,220,120

$2,003,973

2024

$23,020 (+1.7%)

$768,484 + $1,196,197

$1,964,681

2023

$22,625 (+1.6%)

$753,416 + $1,172,743

$1,926,159

2022

$22,279 (+3.0%)

$738,644 + $1,149,749

$1,888,393

2021

$21,635 (−0.4%)

$724,161 + $1,127,205

$1,851,366

2020

$21,722 (+2.4%)

$709,962 + $1,105,103

$1,815,065

2019

$21,223 (+3.7%)

$702,683 + $1,093,772

$1,796,455

2018

$20,474 (+1.7%)

$688,905 + $1,072,326

$1,761,231

2017

$20,123 (+1.8%)

$662,155 + $1,030,687

$1,692,842

2016

$19,759 (+2.8%)

$662,155 + $1,030,687

$1,692,842

2015

$19,228 (+0.8%)

$649,172 + $1,010,478

$1,659,650

2014

$19,070 (+1.1%)

$626,896 + $975,804

$1,602,700

2013

$18,859 (+3.1%)

$626,896 + $975,804

$1,602,700

2012

$18,297 (+1.5%)

$624,063 + $971,394

$1,595,457

2011

$18,028 (+9.0%)

$611,827 + $952,348

$1,564,175

2010

$16,538 (+0.5%)

$599,831 + $933,675

$1,533,506

2009

$16,459 (−0.6%)

$582,145 + $833,355

$1,415,500

2008

$16,560

$582,145 + $833,355

$1,415,500

*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

1 Acre

Year renovated

1975

Sq. Ft.

3,537

Year built

1958

Style

Single Family Residential

County

Contra Costa County

APN

2460500040

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2026.

Sep 7, 2017 • Final

Building - residential electrical

Install a circuit for a level two interior electric vehicle charger. Reinstate the permit for a final inspection.

Electrical

Ev charger

Sep 20, 2010 • Final

Building/residential/p/pool

Construct a new swimming pool and spa according to the provided plans.

Pool and hot tub

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
Parking Features: Detached

Interior

Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 3
Other Bathrooms Included Features: Shower Over Tub, Stall Shower

Interior Features
Interior Features: Formal Dining Room, Kitchen/Family Combo, Central Vacuum
Appliances: Dishwasher, Double Oven, Disposal, Gas Range, Refrigerator, Self Cleaning Oven, Gas Water Heater
Laundry Features: 220 Volt Outlet, Laundry Room
Street Level Features: 3 Baths
Window Features: Window Coverings
Fireplaces Total: 2
Has Fireplace
Flooring: Hardwood, Tile

Room Information
Kitchen Features: 220 Volt Outlet,Dishwasher,Double Oven,Garbage Disposal,Gas Range/Cooktop,Refrigerator,Self-Cleaning Oven
Rooms Total: 9
Fireplace Features: Brick, Family Room, Raised Hearth, Stone, Wood Burning

Exterior

Building Information
Construction Materials: Wood Siding
Building Area Total: 2,896

Exterior Features
Patio And Porch Features: Deck
Exterior Features: Back Yard, Sprinklers Back, Sprinklers Front

Pool Information
Pool Features: Fiberglass, In Ground, Pool Cover, Solar Heat
Has Private Pool

Property Information
Living Area: 2896
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1958

Lot Information
Lot Size Square Feet: 43560
Lot Size Area: 1
Lot Size Units: Acres
Lot Size Acres: 1
Lot Features: Level, Regular, Sloped Up
Zoning: R-4

Utilities

Utility Information
Water Source: Public
Electric: 220 Volts in Kitchen

Heating & Cooling
Has Heating
Heating: Forced Air, Natural Gas
Cooling: No Air Conditioning

Location

Homeowners Association Information
Has Association
Association Name: CALL LISTING AGENT
Association Fee: $10
Association Fee Frequency: Annually

School Information
High School District: Lafayette (925) 280-3900

Public facts

Beds: 5
Baths: 4.0
Sq. Ft.: 3,537
Stories: 1.0
Lot Size: 1 acres
Style: Single Family Residential
Year Built: 1958
Year Renovated: 1975
County: Contra Costa County
APN: 2460500040

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Happy Valley Elementary School

Public K-5 • Assigned • 0.2mi

8/10

M. H. Stanley Middle School

Public 6-8 • Assigned • 2.2mi

8/10

Acalanes High School

Public 9-12 • Assigned • 2.7mi

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

$2.84M – $3.44M

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Home values near 3900 Happy Valley Rd

Data from public records.

Address	Redfin Estimate
3915 Happy Valley Road, Lafayette, CA 6 Beds \| 6.5 Baths \| 6940 Sq. Ft.	$9,697,281
3898 Happy Valley Road, Lafayette, CA 4 Beds \| 3 Baths \| 2743 Sq. Ft.	$3,420,849

Address	Redfin Estimate
3893 Happy Valley Road, Lafayette, CA 3 Beds \| 3 Baths \| 2715 Sq. Ft.	$2,386,430
3937 Happy Valley Road, Lafayette, CA 3 Beds \| 5 Baths \| 4208 Sq. Ft.	$6,937,410

Address	Redfin Estimate
3936 Happy Valley Road, Lafayette, CA 5 Beds \| 5.5 Baths \| 4937 Sq. Ft.	$6,337,088
16 Happy Valley Road, Lafayette, CA 5 Beds \| 3.5 Baths \| 3885 Sq. Ft.	$3,805,693

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2000. 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 3900 Happy Valley Rd

Tax history for 3900 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 3900 Happy Valley Rd

More real estate resources