9508 Alcosta Blvd is a 2,573 square foot house on a 0.35 acre lot with 3 bedrooms and 2 bathrooms. - it last sold on October 25, 2016 for $970,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,761,420.
Single-familyProperty Type
1984Year Built
0.35 acresLot Size
$685Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$1,761,420
$791K since sold in October 2016$3,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2% lower than the average sale price ($1.80M) of 6 comparable homes.
Lovely home which sit's on extra large lot. The home is elevated from Alcosta and does have lots of privacy. The home has been meticulously maintained and features some original hardwood floors, an updated kitchen with white cabinets, granite tile...
counter tops and stainless appliances. Lovely yard with mature trees and large deck too.
10 years ago• May not reflect the current state of the home
Cozy single story home right on Alcosta Blvd. Updated kitchen and baths. Hardwood floors and carpets throughout. Great backyard with mature trees, tool shed and grass area. Laundry in the garage.
11 years ago• May not reflect the current state of the home
Roya Safi
Redfin Associate agent
Sale history for 9508 Alcosta Blvd
Date
Event
Price
Public Records
Oct 25, 2016
Sold
$970,000
$377/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40742107
Aug 29, 2016
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #40719726
Nov 30, 2015
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #10502326
Jan 8, 1998
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #27502326
Dec 14, 1997
Listing Removed
—
Public Records
Jul 29, 1985
Sold
$185,000
$72/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$14,110 (+3.3%)
$587,159 + $620,305
$1,207,464
2025
$13,665 (+2.0%)
$587,159 + $620,305
$1,207,464
2024
$13,395 (+1.6%)
$575,647 + $608,143
$1,183,790
2023
$13,186 (+0.7%)
$564,360 + $596,219
$1,160,579
2022
$13,091 (+2.0%)
$553,295 + $584,529
$1,137,824
2021
$12,830 (+0.6%)
$542,447 + $573,068
$1,115,515
2020
$12,751 (+1.3%)
$531,811 + $561,832
$1,093,643
2019
$12,586 (+3.8%)
$526,358 + $556,072
$1,082,430
2018
$12,120 (+8.7%)
$516,038 + $545,169
$1,061,207
2017
$11,147 (+108.9%)
$496,000 + $474,000
$970,000
2016
$5,336 (+0.9%)
$496,000 + $474,000
$970,000
2015
$5,286 (+1.2%)
$156,458 + $272,182
$428,640
2014
$5,224 (+1.0%)
$151,090 + $262,843
$413,933
2013
$5,171 (+2.7%)
$151,090 + $262,843
$413,933
2012
$5,035 (+1.7%)
$150,408 + $261,656
$412,064
2011
$4,949 (+1.5%)
$147,459 + $256,526
$403,985
2010
$4,873 (+0.3%)
$144,568 + $251,497
$396,065
2009
$4,858 (+3.9%)
$143,488 + $249,618
$393,106
2008
$4,676
$143,829 + $250,212
$394,041
Tax history for 9508 Alcosta Blvd
Year
Property tax
Land + Additions
Assessment*
2026
$14,110 (+3.3%)
$587,159 + $620,305
$1,207,464
2025
$13,665 (+2.0%)
$587,159 + $620,305
$1,207,464
2024
$13,395 (+1.6%)
$575,647 + $608,143
$1,183,790
2023
$13,186 (+0.7%)
$564,360 + $596,219
$1,160,579
2022
$13,091 (+2.0%)
$553,295 + $584,529
$1,137,824
2021
$12,830 (+0.6%)
$542,447 + $573,068
$1,115,515
2020
$12,751 (+1.3%)
$531,811 + $561,832
$1,093,643
2019
$12,586 (+3.8%)
$526,358 + $556,072
$1,082,430
2018
$12,120 (+8.7%)
$516,038 + $545,169
$1,061,207
2017
$11,147 (+108.9%)
$496,000 + $474,000
$970,000
2016
$5,336 (+0.9%)
$496,000 + $474,000
$970,000
2015
$5,286 (+1.2%)
$156,458 + $272,182
$428,640
2014
$5,224 (+1.0%)
$151,090 + $262,843
$413,933
2013
$5,171 (+2.7%)
$151,090 + $262,843
$413,933
2012
$5,035 (+1.7%)
$150,408 + $261,656
$412,064
2011
$4,949 (+1.5%)
$147,459 + $256,526
$403,985
2010
$4,873 (+0.3%)
$144,568 + $251,497
$396,065
2009
$4,858 (+3.9%)
$143,488 + $249,618
$393,106
2008
$4,676
$143,829 + $250,212
$394,041
*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
Mar 9, 2018 • Final
Retaining wall - building miscellaneous
Grading
May 2, 2017 • 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
Interior
Room Information
# of Rooms: 10
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: SUBDIVISION 5612
Living Sq. Ft: 2,573
Ground Floor Sq. Ft: 2,573
Building Sq. Ft: 2,573
# of Stories: 1
Legal Description: T05612 L0010 B EX MR
Parking & Garage Information
Garage/Parking Sq. Ft: 640
Lot Information
# of Buildings: 1
Land Sq. Ft: 15,200
Legal Lot Number: 10
Acres: 0.3489
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 2,573
Stories: 1.0
Lot Size: 0.35 acres
Style: Single Family Residential
Year Built: 1984
Year Renovated: 1998
County: Contra Costa County
APN: 2107510105
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 • 0.6mi
10/10
Pine Valley Middle School
Public 6-8 • Assigned • 0.9mi
10/10
California High School
Public 9-12 • Assigned • 1.3mi
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...