9702 Alcosta Blvd is a 2,834 square foot house on a 0.35 acre lot with 5 bedrooms and 4.5 bathrooms. - it last sold on April 23, 2013 for $790,000. Based on Redfin's San Ramon data, we estimate the home's value is $2,044,954.
Single-familyProperty Type
2024Year Built
0.35 acresLot Size
$722Est. Price/Sq.Ft.
3 car garageParking
Source:Public Records
Redfin Estimate
$2,044,954
$1.3M since sold in April 2013$13K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 18% higher than the average sale price ($1.73M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #28517060
Aug 12, 1998
Listing Removed
—
Public Records
Mar 26, 1984
Sold
$59,500
$21/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$14,602 (+3.3%)
$628,023 + $624,351
$1,252,374
2025
$14,141 (+5.7%)
$628,023 + $624,351
$1,252,374
2024
$13,375 (+21.8%)
$615,709 + $612,109
$1,227,818
2023
$10,980 (+0.7%)
$603,637 + $555,107
$1,158,744
2022
$10,901 (+2.0%)
$591,801 + $343,243
$935,044
2021
$10,685 (+0.6%)
$580,198 + $336,513
$916,711
2020
$10,616 (+1.3%)
$568,822 + $329,915
$898,737
2019
$10,477 (+3.8%)
$562,990 + $326,533
$889,523
2018
$10,090 (+3.7%)
$551,951 + $320,131
$872,082
2017
$9,728 (+1.2%)
$530,519 + $307,700
$838,219
2016
$9,615 (+1.0%)
$530,519 + $307,700
$838,219
2015
$9,521 (+1.1%)
$520,117 + $301,667
$821,784
2014
$9,413 (+47.8%)
$502,270 + $291,316
$793,586
2013
$6,371 (+2.8%)
$502,270 + $291,316
$793,586
2012
$6,199 (+1.8%)
$147,672 + $380,651
$528,323
2011
$6,092 (+1.5%)
$144,777 + $373,188
$517,965
2010
$6,005 (+0.2%)
$141,939 + $365,871
$507,810
2009
$5,991 (+3.7%)
$140,879 + $363,137
$504,016
2008
$5,775
$141,214 + $364,000
$505,214
Tax history for 9702 Alcosta Blvd
Year
Property tax
Land + Additions
Assessment*
2026
$14,602 (+3.3%)
$628,023 + $624,351
$1,252,374
2025
$14,141 (+5.7%)
$628,023 + $624,351
$1,252,374
2024
$13,375 (+21.8%)
$615,709 + $612,109
$1,227,818
2023
$10,980 (+0.7%)
$603,637 + $555,107
$1,158,744
2022
$10,901 (+2.0%)
$591,801 + $343,243
$935,044
2021
$10,685 (+0.6%)
$580,198 + $336,513
$916,711
2020
$10,616 (+1.3%)
$568,822 + $329,915
$898,737
2019
$10,477 (+3.8%)
$562,990 + $326,533
$889,523
2018
$10,090 (+3.7%)
$551,951 + $320,131
$872,082
2017
$9,728 (+1.2%)
$530,519 + $307,700
$838,219
2016
$9,615 (+1.0%)
$530,519 + $307,700
$838,219
2015
$9,521 (+1.1%)
$520,117 + $301,667
$821,784
2014
$9,413 (+47.8%)
$502,270 + $291,316
$793,586
2013
$6,371 (+2.8%)
$502,270 + $291,316
$793,586
2012
$6,199 (+1.8%)
$147,672 + $380,651
$528,323
2011
$6,092 (+1.5%)
$144,777 + $373,188
$517,965
2010
$6,005 (+0.2%)
$141,939 + $365,871
$507,810
2009
$5,991 (+3.7%)
$140,879 + $363,137
$504,016
2008
$5,775
$141,214 + $364,000
$505,214
*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
Jun 8, 2021 • Final
Addition - building residential
Addition
Oct 15, 2016 • 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: 13
Exterior
Property Information
Subdivision Name: SUBDIVISION 5612
Living Sq. Ft: 2,921
Ground Floor Sq. Ft: 1,934
Building Sq. Ft: 2,921
# of Stories: 2
Legal Description: T05612 L0027 B EX MR
Parking & Garage Information
Garage/Parking Sq. Ft: 772
Lot Information
# of Buildings: 1
Land Sq. Ft: 15,200
Legal Lot Number: 27
Acres: 0.3489
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 4.5
Sq. Ft.: 2,834
Stories: 2.0
Parking Spaces: 3
Basement: No
Accessible: No
Lot Size: 0.35 acres
Style: Single Family Residential
Year Built: 2024
Year Renovated: 2000
County: Contra Costa County
APN: 2107510279
HOA Dues: —
Garage: Yes
Features: —
Home facts updated by owner on Aug 9, 2025
Around this home
Schools
K - 12
Preschool & daycare
Walt Disney Elementary School
Public K-5 • Assigned • 0.4mi
10/10
Pine Valley Middle School
Public 6-8 • Assigned • 0.8mi
10/10
California High School
Public 9-12 • Assigned • 1.0mi
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...