Dramatic open floorplan. Lots of natural light, volume ceilings, plantation shutters, slab granite in kitchen, travertine floors. Great view of the valley and city. Gorgeous setting among the 4 Heritage Oak trees. Possible pool site
Single-familyProperty Type
1998Year Built
0.29 acresLot Size
$647Est. Price/Sq.Ft.
3 car garageParking
Listed by Bonnie King•DRE #00970355• Compass
Bought with Doug Ledeboer•DRE #01857625• Empire Realty Associates
bridgeMLS, Bay East AOR, or Contra Costa AOR #40573221
Jul 5, 2012
Sold
$925,000
$280/sq ft
Jun 11, 2012
Pending
—
May 8, 2012
Listed
$939,000
$284/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40412971
Sep 22, 2009
Sold
$990,000
$299/sq ft
Sep 3, 2009
Listing Removed
—
Aug 12, 2009
Contingent
—
Jul 11, 2009
Price Changed
$999,000
$302/sq ft
Jun 3, 2009
Listed
$1,024,000
$310/sq ft
+4
Four Oaks gracious 5 Bdrm w/den (5th shows as office now). No HOA! Travertine floors, beautiful slab granite kitchen, plantation shutters thru-out, large rooms, fabulous setting nestled among the "4 Heritage Oaks" w/ valley views. See Conf Remarks.
Year
Property tax
Land + Additions
Assessment*
2025
$13,280 (+2.0%)
$514,975 + $646,864
$1,161,839
2024
$13,019 (+1.6%)
$504,878 + $634,181
$1,139,059
2023
$12,817 (+0.7%)
$494,979 + $621,747
$1,116,726
2022
$12,724 (+2.0%)
$485,274 + $609,556
$1,094,830
2021
$12,473 (+0.7%)
$475,759 + $597,604
$1,073,363
2020
$12,386 (+1.2%)
$466,431 + $585,887
$1,052,318
2019
$12,236 (+3.8%)
$461,649 + $579,880
$1,041,529
2018
$11,788 (+3.7%)
$452,598 + $568,510
$1,021,108
2017
$11,370 (+1.1%)
$435,024 + $546,435
$981,459
2016
$11,242 (+1.0%)
$435,024 + $546,435
$981,459
2015
$11,133 (+1.3%)
$426,495 + $535,721
$962,216
2014
$10,988 (+1.0%)
$411,861 + $517,338
$929,199
2013
$10,883 (+4.2%)
$411,861 + $517,338
$929,199
2012
$10,449 (+5.2%)
$410,000 + $515,000
$925,000
2011
$9,931 (−6.5%)
$447,980 + $439,020
$887,000
2010
$10,625 (+32.6%)
$423,233 + $414,767
$838,000
2009
$8,013 (+3.5%)
$458,081 + $448,919
$907,000
2008
$7,743
$304,348 + $372,398
$676,746
Tax history for 9500 Westside Dr
Year
Property tax
Land + Additions
Assessment*
2025
$13,280 (+2.0%)
$514,975 + $646,864
$1,161,839
2024
$13,019 (+1.6%)
$504,878 + $634,181
$1,139,059
2023
$12,817 (+0.7%)
$494,979 + $621,747
$1,116,726
2022
$12,724 (+2.0%)
$485,274 + $609,556
$1,094,830
2021
$12,473 (+0.7%)
$475,759 + $597,604
$1,073,363
2020
$12,386 (+1.2%)
$466,431 + $585,887
$1,052,318
2019
$12,236 (+3.8%)
$461,649 + $579,880
$1,041,529
2018
$11,788 (+3.7%)
$452,598 + $568,510
$1,021,108
2017
$11,370 (+1.1%)
$435,024 + $546,435
$981,459
2016
$11,242 (+1.0%)
$435,024 + $546,435
$981,459
2015
$11,133 (+1.3%)
$426,495 + $535,721
$962,216
2014
$10,988 (+1.0%)
$411,861 + $517,338
$929,199
2013
$10,883 (+4.2%)
$411,861 + $517,338
$929,199
2012
$10,449 (+5.2%)
$410,000 + $515,000
$925,000
2011
$9,931 (−6.5%)
$447,980 + $439,020
$887,000
2010
$10,625 (+32.6%)
$423,233 + $414,767
$838,000
2009
$8,013 (+3.5%)
$458,081 + $448,919
$907,000
2008
$7,743
$304,348 + $372,398
$676,746
*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
4
Baths
4
Stories
2
Lot width
—
Lot depth
—
Lot size
0.29 Acres
Year renovated
1999
Sq. Ft.
3,308
Year built
1998
Style
Single Family Residential
County
Contra Costa County
APN
2111300402
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 13, 2026.
Sep 26, 2022 • Final
Water heater/softener - plumbing
Plumbing
Water heater
Feb 12, 2021 • Final
Miscellaneous - plumbing
Plumbing
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: 3
Covered Spaces: 3
Parking Features: Attached, Int Access From Garage, Side Yard Access, Garage Door Opener
Interior
Virtual Tour
Bathroom Information
# of Bathrooms Total: 4
# of Bathrooms Full: 4
Other Bathrooms Included Features: Shower Over Tub, Tile
Primary Bathroom Included Features: Stall Shower, Tile, Tub
Interior Features
Interior Features: Bonus/Plus Room, Family Room, Formal Dining Room, Kitchen/Family Combo, Office, Breakfast Bar, Breakfast Nook, Stone Counters, Eat-in Kitchen, Central Vacuum, Sound System
Appliances: Dishwasher, Disposal, Gas Range, Microwave, Oven, Self Cleaning Oven, Trash Compactor, Gas Water Heater
Laundry Features: 220 Volt Outlet, Gas Dryer Hookup, Laundry Room
Upper Level Features: 4 Bedrooms, Primary Bedrm Suite - 1
Street Level Features: 1 Bedroom, 1 Bath, Laundry Facility, Main Entry
Exterior Features: Back Yard, Front Yard, Side Yard, Sprinklers Automatic, Sprinklers Back, Sprinklers Front, Sprinklers Side
Fencing: Fenced
Mobile Home Information
Model: Imperial Oak
Property Information
Living Area: 3308
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1998
Lot Information
Lot Size Square Feet: 12530
Lot Size Area: 0.287649
Lot Size Units: Acres
Lot Size Acres: 0.287649
Lot Features: Premium Lot
Utilities
Utility Information
Sewer: Public Sewer
Heating & Cooling
Has Heating
Heating: Zoned
Cooling: Zoned
Location
School Information
High School District: San Ramon Valley (925) 552-5500
Public facts
Beds: 4
Baths: 4.0
Sq. Ft.: 3,308
Stories: 2.0
Lot Size: 0.29 acres
Style: Single Family Residential
Year Built: 1998
Year Renovated: 1999
County: Contra Costa County
APN: 2111300402
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
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, 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...
Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2012. This data may not match public records. Learn more.