OFF MARKET

Off Market Apr 2010 for $485K

$1,313,247

Est. refi paymentEst. refi $3,683/mo

•

1,928

sq ft

819 Keystone Way, Livermore, CA 94550

About this home

Single-familyProperty Type

1965Year Built

6,153 sq ftLot Size

$681Est. Price/Sq.Ft.

2 car garageParking

Listed by Sandee Utterback •DRE #00855150 • BHG Tri-Valley Realty

Bought with Marjie Kosic •DRE #01355424 • RE/MAX Accord

Redfin checked: 3 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40451684

Redfin Estimate

$1,313,247

$828K since sold in April 2010$13K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 1.6% higher than the average sale price ($1.29M) of 6 comparable homes.

SOLD AUG 10, 2026
$1,249,000
A
4 beds2 baths1,660 sq ft
649 Canterbury Ave, Livermore, CA 94550
SOLD JUN 15, 2026
$1,175,000
B
4 beds2 baths1,679 sq ft
775 Catalina Dr, Livermore, CA 94550
SOLD APR 3, 2026
$1,450,000
C
4 beds2 baths1,938 sq ft
575 Bell Ave, Livermore, CA 94550
SOLD JUN 23, 2026
$1,280,000
D
4 beds2 baths1,679 sq ft
1283 Laguna St, Livermore, CA 94550
SOLD JUN 15, 2026
$1,255,000
E
4 beds2 baths1,794 sq ft
435 El Caminito, Livermore, CA 94550
SOLD APR 22, 2026
637 Caliente Ave, Livermore, CA 94550
$1,350,000
F
4 beds2 baths1,696 sq ft
637 Caliente Ave, Livermore, CA 94550

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Earn from this home

Sell

$1,011,302

Est. take-home

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Refinance

Est. cash available

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Rent

$4,133/mo

Redfin rental estimate

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Market trends in 94550, CA

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.4%

0.5% MoM

Median sale price

$1.3M

$5K MoM

Avg. days on market

12d

2 days MoM

Recently sold homes

128

9 MoM

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COMING SOON
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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%)

$187,801 + $438,202

$626,003

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%)

$187,801 + $438,202

$626,003

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.

Public record

Public record
Permits

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

6,153 Sq. Ft.

Year renovated

1966

Sq. Ft.

1,928

Year built

1965

Style

Single Family Residential

County

Alameda County

APN

099 031704400

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 27, 2026.

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

Parking

Parking Information
Has Attached Garage
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Attached, Garage Door Opener

Interior

Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 2
# of Bathrooms Partial: 1
Other Bathrooms Included Features: Shower Over Tub
Primary Bathroom Included Features: Stall Shower

Interior Features
Interior Features: No Additional Rooms, Breakfast Bar, Breakfast Nook, Laminate Counters
Appliances: Dishwasher, Double Oven, Electric Range, Disposal, Plumbed For Ice Maker, Refrigerator, Gas Water Heater
Laundry Features: 220 Volt Outlet, In Garage
Upper Level Features: 3 Bedrooms, 2 Baths, Primary Bedrm Suite - 1
Street Level Features: 1 Bedroom, 0.5 Bath, Main Entry
Fireplaces Total: 1
Has Fireplace
Flooring: Linoleum, Carpet

Room Information
Kitchen Features: 220 Volt Outlet,Breakfast Bar,Breakfast Nook,Counter - Laminate,Dishwasher,Double Oven,Electric Range/Cooktop,Garbage Disposal,Ice Maker Hookup,Refrigerator
Rooms Total: 8
Fireplace Features: Living Room, Wood Burning
Basement: Crawl Space

Exterior

Building Information
Construction Materials: Stucco, Wood Siding
Building Area Total: 1,928
Builder Name: Sunset Homes
Foundation Details: Raised

Exterior Features
Patio And Porch Features: Patio
Exterior Features: Sprinklers Automatic, Sprinklers Back, Sprinklers Front
Door Features: Mirrored Closet Door(s)
Fencing: Fenced
Roof: Shingle

Mobile Home Information
Model: Casa Del Oro

Property Information
Living Area: 1928
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1965

Lot Information
Lot Size Square Feet: 6153
Lot Size Area: 0.14
Lot Size Units: Acres
Lot Size Acres: 0.14
Lot Features: Level
Zoning: 1001

Utilities

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

Heating & Cooling
Has Heating
Heating: Forced Air, Natural Gas
Cooling: Ceiling Fan(s), Central Air

Location

School Information
High School District: Livermore Valley (925) 606-3200

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 Jul 27, 2026

Around this home

Schools

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 market remains moderately competitive.Well price Property is attracting Buyer quickly. Buyers have some negotiating power on longer listed homes while Seller should price strategically and present homes well. overall demand remain healthy...
2 weeks ago • Livermore
Gagan Singh
Redfin Premier agent
651 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

$1.25M – $1.51M

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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.	$1,062,866
831 Keystone Way, Livermore, CA 4 Beds \| 2 Baths \| 1794 Sq. Ft.	$1,295,844

Address	Redfin Estimate
811 Keystone Way, Livermore, CA 4 Beds \| 3 Baths \| 1928 Sq. Ft.	$1,223,161
815 Keystone Way, Livermore, CA 4 Beds \| 3 Baths \| 2137 Sq. Ft.	$1,392,276

Address	Redfin Estimate
807 Keystone Way, Livermore, CA 3 Beds \| 2 Baths \| 1254 Sq. Ft.	$814,358
823 Keystone Way, Livermore, CA 3 Beds \| 2 Baths \| 1652 Sq. Ft.	$1,188,466

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2010. 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 94550, CA

Sale history for 819 Keystone Way

Tax history for 819 Keystone Way

Public record

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