9400 Westside Dr is a 3,368 square foot house on a 8,160 square foot lot with 4 bedrooms and 4 bathrooms. - it last sold on March 31, 2017 for $1,350,000. Based on Redfin's San Ramon data, we estimate the home's value is $2,054,390.
Single-familyProperty Type
1998Year Built
8,160 sq ftLot Size
$610Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$2,054,390
$704K since sold in March 2017$43K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2.8% lower than the average sale price ($2.11M) of 6 comparable homes.
Very well maintained San Ramon Henry Ranch home that is open, light and has an outstanding floorplan. Smaller backyard but functional. It could use some updating.
13 years ago• May not reflect the current state of the home
bridgeMLS, Bay East AOR, or Contra Costa AOR #40771457
Feb 28, 2017
Contingent
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #40768125
Feb 25, 2017
Listing Removed
—
Public Records
Nov 25, 2013
Sold
$1,130,000
$336/sq ft
Public Records
Aug 20, 1997
Sold
$5,600,000
$1,663/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$18,489 (+3.2%)
$828,655 + $769,465
$1,598,120
2025
$17,910 (+2.0%)
$828,655 + $769,465
$1,598,120
2024
$17,558 (+1.5%)
$812,407 + $754,378
$1,566,785
2023
$17,291 (+0.7%)
$796,478 + $739,587
$1,536,065
2022
$17,165 (+2.0%)
$780,861 + $725,086
$1,505,947
2021
$16,822 (+0.7%)
$765,550 + $710,869
$1,476,419
2020
$16,713 (+1.2%)
$750,540 + $696,931
$1,447,471
2019
$16,512 (+3.8%)
$742,845 + $689,785
$1,432,630
2018
$15,905 (+15.8%)
$728,280 + $676,260
$1,404,540
2017
$13,730 (+1.7%)
$686,558 + $506,997
$1,193,555
2016
$13,505 (+1.0%)
$686,558 + $506,997
$1,193,555
2015
$13,373 (+1.3%)
$673,097 + $497,056
$1,170,153
2014
$13,203 (+42.0%)
$650,000 + $480,000
$1,130,000
2013
$9,299 (+2.8%)
$650,000 + $480,000
$1,130,000
2012
$9,049 (+1.7%)
$254,613 + $526,164
$780,777
2011
$8,898 (+1.3%)
$249,621 + $515,848
$765,469
2010
$8,783 (+0.1%)
$244,727 + $505,734
$750,461
2009
$8,773 (+3.4%)
$242,898 + $501,955
$744,853
2008
$8,481
$243,476 + $503,148
$746,624
Tax history for 9400 Westside Dr
Year
Property tax
Land + Additions
Assessment*
2026
$18,489 (+3.2%)
$828,655 + $769,465
$1,598,120
2025
$17,910 (+2.0%)
$828,655 + $769,465
$1,598,120
2024
$17,558 (+1.5%)
$812,407 + $754,378
$1,566,785
2023
$17,291 (+0.7%)
$796,478 + $739,587
$1,536,065
2022
$17,165 (+2.0%)
$780,861 + $725,086
$1,505,947
2021
$16,822 (+0.7%)
$765,550 + $710,869
$1,476,419
2020
$16,713 (+1.2%)
$750,540 + $696,931
$1,447,471
2019
$16,512 (+3.8%)
$742,845 + $689,785
$1,432,630
2018
$15,905 (+15.8%)
$728,280 + $676,260
$1,404,540
2017
$13,730 (+1.7%)
$686,558 + $506,997
$1,193,555
2016
$13,505 (+1.0%)
$686,558 + $506,997
$1,193,555
2015
$13,373 (+1.3%)
$673,097 + $497,056
$1,170,153
2014
$13,203 (+42.0%)
$650,000 + $480,000
$1,130,000
2013
$9,299 (+2.8%)
$650,000 + $480,000
$1,130,000
2012
$9,049 (+1.7%)
$254,613 + $526,164
$780,777
2011
$8,898 (+1.3%)
$249,621 + $515,848
$765,469
2010
$8,783 (+0.1%)
$244,727 + $505,734
$750,461
2009
$8,773 (+3.4%)
$242,898 + $501,955
$744,853
2008
$8,481
$243,476 + $503,148
$746,624
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Sep 30, 2024 • Final
Bathroom remodel - building residential
Bathroom
Remodel
Sep 20, 2021 • Final
Photovoltaic - electrical
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
Interior
Room Information
# of Rooms: 11
Exterior
Property Information
Subdivision Name: FOUR OAKS SUB 8026
Living Sq. Ft: 3,368
Ground Floor Sq. Ft: 1,835
Building Sq. Ft: 3,368
# of Stories: 2
Legal Description: T8026 L47
Parking & Garage Information
Garage/Parking Sq. Ft: 420
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,160
Legal Lot Number: 47
Acres: 0.1873
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 4.0
Sq. Ft.: 3,368
Stories: 2.0
Lot Size: 8,160 square feet
Style: Single Family Residential
Year Built: 1998
Year Renovated: 2004
County: Contra Costa County
APN: 2111300477
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Neil A. Armstrong Elementary School
Public K-5 • Assigned • 0.5mi
10/10
Pine Valley Middle School
Public 6-8 • Assigned • 0.9mi
10/10
California High School
Public 9-12 • Assigned • 0.8mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
San Ramon remains competitive, with homes averaging 1 offer and selling in 29 days. Median price is $1.4M (+2.8%), while price per sq. ft. is $677 (-1.2%). Buyers have negotiation opportunities; sellers should price strategically.
San Ramon, Past 3 months,Median price $1.51M, down 4.5% YoY,Homes sold: 169 in July, up 1%,Days on market 20 days,Market Active but more balanced; slight seller advantage,Bottom line: Prices have softened, but homes are still selling relatively...