9785 Alcosta Blvd is a 1,918 square foot house on a 10,640 square foot lot with 4 bedrooms and 2 bathrooms. - it last sold on June 26, 2013 for $675,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,344,264.
Single-familyProperty Type
1983Year Built
10,640 sq ftLot Size
$701Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$1,344,264
$669K since sold in June 2013$3,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 12.6% lower than the average sale price ($1.54M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40158742
May 2, 2006
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #40152526
Apr 19, 2006
Listing Removed
—
Public Records
Jul 31, 2003
Sold
$614,000
$320/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #10230572
Feb 21, 1997
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #27230572
Jan 27, 1997
Listing Removed
—
Public Records
Jun 11, 1987
Sold
$192,000
$100/sq ft
Public Records
Jan 1, 1979
Sold
$75,000
$39/sq ft
Public Records
Oct 1, 1977
Sold
$87,000
$45/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$10,170 (+3.3%)
$628,023 + $219,802
$847,825
2025
$9,847 (+2.0%)
$628,023 + $219,802
$847,825
2024
$9,653 (+1.6%)
$615,709 + $215,493
$831,202
2023
$9,499 (+0.7%)
$603,637 + $211,268
$814,905
2022
$9,431 (+2.9%)
$591,801 + $207,126
$798,927
2021
$9,168 (+0.7%)
$580,198 + $203,065
$783,263
2020
$9,106 (+1.4%)
$568,822 + $199,084
$767,906
2019
$8,983 (+3.9%)
$562,990 + $197,043
$760,033
2018
$8,650 (+3.7%)
$551,951 + $193,180
$745,131
2017
$8,338 (+1.2%)
$530,519 + $185,680
$716,199
2016
$8,237 (+1.0%)
$530,519 + $185,680
$716,199
2015
$8,156 (+1.2%)
$520,117 + $182,040
$702,157
2014
$8,061 (+10.0%)
$502,270 + $175,794
$678,064
2013
$7,328 (+17.4%)
$502,270 + $175,794
$678,064
2012
$6,243 (−7.2%)
$426,200 + $189,300
$615,500
2011
$6,728 (+0.6%)
$361,456 + $160,544
$522,000
2010
$6,685 (+0.4%)
$391,924 + $174,076
$566,000
2009
$6,658 (−20.0%)
$392,269 + $174,231
$566,500
2008
$8,325
$392,269 + $174,231
$566,500
Tax history for 9785 Alcosta Blvd
Year
Property tax
Land + Additions
Assessment*
2026
$10,170 (+3.3%)
$628,023 + $219,802
$847,825
2025
$9,847 (+2.0%)
$628,023 + $219,802
$847,825
2024
$9,653 (+1.6%)
$615,709 + $215,493
$831,202
2023
$9,499 (+0.7%)
$603,637 + $211,268
$814,905
2022
$9,431 (+2.9%)
$591,801 + $207,126
$798,927
2021
$9,168 (+0.7%)
$580,198 + $203,065
$783,263
2020
$9,106 (+1.4%)
$568,822 + $199,084
$767,906
2019
$8,983 (+3.9%)
$562,990 + $197,043
$760,033
2018
$8,650 (+3.7%)
$551,951 + $193,180
$745,131
2017
$8,338 (+1.2%)
$530,519 + $185,680
$716,199
2016
$8,237 (+1.0%)
$530,519 + $185,680
$716,199
2015
$8,156 (+1.2%)
$520,117 + $182,040
$702,157
2014
$8,061 (+10.0%)
$502,270 + $175,794
$678,064
2013
$7,328 (+17.4%)
$502,270 + $175,794
$678,064
2012
$6,243 (−7.2%)
$426,200 + $189,300
$615,500
2011
$6,728 (+0.6%)
$361,456 + $160,544
$522,000
2010
$6,685 (+0.4%)
$391,924 + $174,076
$566,000
2009
$6,658 (−20.0%)
$392,269 + $174,231
$566,500
2008
$8,325
$392,269 + $174,231
$566,500
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
RS-10
Single-Family Residential Zone
The RS zone is applied to areas of the City appropriate for single-family residential land uses in neighborhoods at a density of three to six units per net acre, subject to appropriate standards. The specific allowable density for each parcel is shown on the Zoning Map by a numerical suffix residential density designator (see Section D2-8). Minimum lot size for new parcels ranges from 3,500 to 12,000 sq ft. Depending upon the applicable residential density designator, the RS zone is consistent with and implements the Single Family Low Density, Single Family Low-Medium Density, and Single Family Medium Density land use classifications of the General Plan.
Permitted uses
Include but are not limited to:
Day care facility
Housing-Single unit
Housing-Senior
Housing-Student
Housing-Other
Jan 30, 2010 • Final
Building/residential/rp/repair
Remodel
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: 9
Exterior
View Information
View: Good
Property Information
Subdivision Name: SUBDIVISION 4441
Living Sq. Ft: 1,918
Ground Floor Sq. Ft: 1,918
Building Sq. Ft: 1,918
# of Stories: 1
Legal Description: T04441 L0007 B EX MR
Parking & Garage Information
Garage/Parking Sq. Ft: 420
Lot Information
# of Buildings: 1
Land Sq. Ft: 10,640
Legal Lot Number: 7
Acres: 0.2443
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,918
Stories: 1.0
Lot Size: 10,640 square feet
Style: Single Family Residential
Year Built: 1983
Year Renovated: 1995
County: Contra Costa County
APN: 2106810076
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Walt Disney Elementary School
Public K-5 • Assigned • 0.3mi
10/10
Pine Valley Middle School
Public 6-8 • Assigned • 0.8mi
10/10
California High School
Public 9-12 • Assigned • 0.9mi
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...