Google street view image for 819 Keystone Way, Livermore, CA 94550

Off market apr 2010 for $485K

$1,295,653

Est. refi paymentEst. refi $3,759/mo

•

3 ba

•

1,928

sq ft

819 Keystone Way, Livermore, CA 94550

About this home

819 Keystone Way is a 1,928 square foot house on a 6,153 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on April 20, 2010 for $485,000. Based on Redfin's Livermore data, we estimate the home's value is $1,295,653.

Single-familyProperty Type

1965Year Built

6,153 sq ftLot Size

$672Est. Price/Sq.Ft.

2 car garageParking

Source:Public Records

Redfin Estimate

$1,295,653

$811K since sold in April 2010$5,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 1.1% higher than the average sale price ($1.28M) of 6 comparable homes.

SOLD OCT 2, 2026
$1,210,000
A
4 beds3 baths1,679 sq ft
746 Leland Way, Livermore, CA 94550
SOLD AUG 10, 2026
$1,249,000
B
4 beds2 baths1,660 sq ft
649 Canterbury Ave, Livermore, CA 94550
SOLD AUG 19, 2026
$1,350,000
C
4 beds2.5 baths2,297 sq ft
783 Via Del Sol, Livermore, CA 94550
SOLD JUN 15, 2026
$1,175,000
D
4 beds2 baths1,679 sq ft
775 Catalina Dr, Livermore, CA 94550
SOLD APR 3, 2026
$1,450,000
E
4 beds2 baths1,938 sq ft
575 Bell Ave, Livermore, CA 94550
SOLD JUN 15, 2026
$1,255,000
F
4 beds2 baths1,794 sq ft
435 El Caminito, Livermore, CA 94550

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Earn from this home

Sell

$996,631

Est. take-home

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Est. cash available

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Rent

$4,173/mo

Redfin rental estimate

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Market trends in 94550, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

100.0%

0.4% MoM

Median sale price

$1.3M

$15K MoM

Avg. days on market

16d

2 days MoM

Recently sold homes

119

2 MoM

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See all

Provided by Redfin

Sale history for 819 Keystone Way

Year

Property tax

Land + Additions

Assessment*

2025

$8,280 (+2.1%)

$191,556 + $446,965

$638,521

2024

$8,113 (+1.5%)

$187,801 + $438,202

$626,003

2023

$7,990 (+1.5%)

$184,120 + $429,613

$613,733

2022

$7,874 (+2.1%)

$176,971 + $412,933

$589,904

2021

$7,714 (+3.0%)

$176,971 + $412,933

$589,904

2020

$7,488 (−0.4%)

$173,502 + $404,840

$578,342

2019

$7,519 (+2.2%)

$171,724 + $400,691

$572,415

2018

$7,358 (+2.6%)

$168,358 + $392,835

$561,193

2017

$7,170 (+3.8%)

$161,822 + $377,585

$539,407

2016

$6,905 (+6.6%)

$161,822 + $377,585

$539,407

2015

$6,480 (+1.8%)

$158,650 + $370,184

$528,834

2014

$6,368 (−0.5%)

$153,208 + $357,486

$510,694

2013

$6,400 (+2.2%)

$153,208 + $357,486

$510,694

2012

$6,265 (+1.0%)

$152,517 + $355,874

$508,391

2011

$6,200 (+320.1%)

$149,527 + $348,897

$498,424

2010

$1,476 (+1.2%)

$146,595 + $342,056

$488,651

2009

$1,459 (+1.5%)

$13,486 + $60,402

$73,888

2008

$1,437

$13,518 + $60,546

$74,064

Tax history for 819 Keystone Way

Year

Property tax

Land + Additions

Assessment*

2025

$8,280 (+2.1%)

$191,556 + $446,965

$638,521

2024

$8,113 (+1.5%)

$187,801 + $438,202

$626,003

2023

$7,990 (+1.5%)

$184,120 + $429,613

$613,733

2022

$7,874 (+2.1%)

$176,971 + $412,933

$589,904

2021

$7,714 (+3.0%)

$176,971 + $412,933

$589,904

2020

$7,488 (−0.4%)

$173,502 + $404,840

$578,342

2019

$7,519 (+2.2%)

$171,724 + $400,691

$572,415

2018

$7,358 (+2.6%)

$168,358 + $392,835

$561,193

2017

$7,170 (+3.8%)

$161,822 + $377,585

$539,407

2016

$6,905 (+6.6%)

$161,822 + $377,585

$539,407

2015

$6,480 (+1.8%)

$158,650 + $370,184

$528,834

2014

$6,368 (−0.5%)

$153,208 + $357,486

$510,694

2013

$6,400 (+2.2%)

$153,208 + $357,486

$510,694

2012

$6,265 (+1.0%)

$152,517 + $355,874

$508,391

2011

$6,200 (+320.1%)

$149,527 + $348,897

$498,424

2010

$1,476 (+1.2%)

$146,595 + $342,056

$488,651

2009

$1,459 (+1.5%)

$13,486 + $60,402

$73,888

2008

$1,437

$13,518 + $60,546

$74,064

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

Permits

Jul 17, 2019 • Final

Dwelling

Remove and replace windows and sliding glass doors as a retrofit project.

Remodel

Dec 8, 2015 • Final

Water heater

Remove and replace a water heater.

Plumbing

Water heater

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

Interior

Room Information
# of Rooms: 8

Exterior

Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average

Property Information
Subdivision Name: 2596 LIVERMORE
Living Sq. Ft: 1,928
Building Sq. Ft: 1,928
# of Units: 1
# of Stories: 2
Legal Description: TRACT 1942 LOT 107

Lot Information
# of Buildings: 1
Land Sq. Ft: 6,153
Legal Lot Number: 107
Municipality Name: LIVERMORE INCORP
Acres: 0.1413
County Use Description: SINGLE FAMILY RESIDENTIAL HOME

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 1,928
Stories: 2.0
Lot Size: 6,153 square feet
Style: Single Family Residential
Year Built: 1965
Year Renovated: 1966
County: Alameda County
APN: 099 031704400

Home facts updated by county records on Sep 16, 2026

Around this home

Schools

K - 12
Preschool & daycare

Joe Michell K-8 School

Public K-8 • Assigned • 0.4mi

7/10

Granada High School

Public 9-12 • Assigned • 0.7mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Livermore’s housing market is cooling, with median sale prices down 9.2% year over year to $1.015 million. Buyers may find more negotiating opportunities as inventory rises, while sellers should price competitively and prepare their homes well to...
2 weeks ago • Livermore
Gagan Singh
Redfin Premier agent
656 deals
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Climate risks

1/10 Flood Factor

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

3/10 Fire Factor

0.31% chance of being in a wildfire in next 30 years

5/10 Heat Factor

7 days above 97° expected this year, 14 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

9/10 Air Factor

20 unhealthy days expected this year, 21 days in 30 years

Provided by First Street

Historical weather

Livermore, CA • 94550

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 11.7 hours in June and 4.8 hours in December, placing it above the U.S. average for solar exposure.

11.7 hrs

4.8 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.23M – $1.49M

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Home values near 819 Keystone Way

Data from public records.

Address	Redfin Estimate
835 Keystone Way, Livermore, CA 3 Beds \| 2 Baths \| 1519 Sq. Ft.	$1,062,264
831 Keystone Way, Livermore, CA 4 Beds \| 2 Baths \| 1794 Sq. Ft.	$1,289,933
829 Keystone Way, Livermore, CA 4 Beds \| 2.5 Baths \| 1943 Sq. Ft.	$1,287,670
816 Keystone Way, Livermore, CA 3 Beds \| 2 Baths \| 1370 Sq. Ft.	$1,031,459
754 Mayview Way, Livermore, CA 3 Beds \| 2 Baths \| 1970 Sq. Ft.	$1,300,463
768 Mayview Way, Livermore, CA 3 Beds \| 2 Baths \| 1254 Sq. Ft.	$1,043,151
763 Mayview Way, Livermore, CA 3 Beds \| 2 Baths \| 2740 Sq. Ft.	$1,207,733

Address	Redfin Estimate
811 Keystone Way, Livermore, CA 4 Beds \| 3 Baths \| 1928 Sq. Ft.	$1,219,511
815 Keystone Way, Livermore, CA - Beds \| 3 Baths \| 2426 Sq. Ft.	$1,380,346
806 Keystone Way, Livermore, CA 5 Beds \| 2 Baths \| 2129 Sq. Ft.	$1,454,352
810 Keystone Way, Livermore, CA 3 Beds \| 2 Baths \| 1390 Sq. Ft.	$1,052,708
780 Mayview Way, Livermore, CA 4 Beds \| 2 Baths \| 1254 Sq. Ft.	$1,043,521
804 Mayview Way, Livermore, CA 4 Beds \| 3 Baths \| 2380 Sq. Ft.	$1,438,793
751 Mayview Way, Livermore, CA 4 Beds \| 2 Baths \| 1665 Sq. Ft.	$1,150,402

Address	Redfin Estimate
807 Keystone Way, Livermore, CA 3 Beds \| 2 Baths \| 1254 Sq. Ft.	$783,336
823 Keystone Way, Livermore, CA 3 Beds \| 2 Baths \| 1652 Sq. Ft.	$1,149,543
822 Keystone Way, Livermore, CA 4 Beds \| 3 Baths \| 1928 Sq. Ft.	$1,233,871
830 Keystone Way, Livermore, CA 3 Beds \| 2 Baths \| 1665 Sq. Ft.	$1,002,270
769 Mayview Way, Livermore, CA 3 Beds \| 2 Baths \| 1665 Sq. Ft.	$1,117,784
775 Leland Way, Livermore, CA 3 Beds \| 2 Baths \| 1665 Sq. Ft.	$1,192,682
812 Mayview Way, Livermore, CA 3 Beds \| 2 Baths \| 1665 Sq. Ft.	$1,127,523

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About this home

Redfin Estimate

Earn from this home

Market trends in 94550, CA

Sale history for 819 Keystone Way

Tax history for 819 Keystone Way

Permits

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94550

Home values near 819 Keystone Way

More real estate resources