9627 Alcosta Blvd is a 3,104 square foot multi-family home on a 10,530 square foot lot with 5 bedrooms and 3 bathrooms. - it last sold on February 07, 2003 for $527,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,418,440.
Multi-familyProperty Type
1978Year Built
10,530 sq ftLot Size
$457Est. Price/Sq.Ft.
3 car garageParking
Source:Public Records
Redfin Estimate
$1,418,441
$891K since sold in February 2003$39K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 24.4% lower than the average sale price ($1.88M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #22028753
Jul 20, 2017
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #40106749
Sep 26, 2005
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #40094250
Sep 2, 2005
Listing Removed
—
Public Records
Feb 7, 2003
Sold
$527,000
$170/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #22037333
Jan 3, 2003
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #10237971
Jul 25, 1997
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #27237971
Jun 30, 1997
Listing Removed
—
Public Records
Apr 17, 1991
Sold
$265,000
$85/sq ft
Public Records
Jul 6, 1988
Sold
$224,000
$72/sq ft
Public Records
Apr 21, 1986
Sold
$179,500
$58/sq ft
Public Records
Aug 1, 1978
Sold
$101,000
$33/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$11,051 (+3.4%)
$472,725 + $409,722
$882,447
2025
$10,689 (+2.1%)
$472,725 + $409,722
$882,447
2024
$10,474 (+6.9%)
$463,456 + $401,689
$865,145
2023
$9,797 (+0.7%)
$454,369 + $393,813
$848,182
2022
$9,726 (+2.0%)
$445,460 + $386,092
$831,552
2021
$9,533 (+0.7%)
$436,726 + $378,522
$815,248
2020
$9,469 (+1.4%)
$428,163 + $371,100
$799,263
2019
$9,342 (+6.0%)
$423,773 + $367,295
$791,068
2018
$8,816 (+3.7%)
$415,464 + $360,094
$775,558
2017
$8,498 (+1.2%)
$399,332 + $331,695
$731,027
2016
$8,395 (+1.0%)
$399,332 + $331,695
$731,027
2015
$8,313 (+1.2%)
$391,502 + $325,192
$716,694
2014
$8,216 (+1.0%)
$378,069 + $314,034
$692,103
2013
$8,135 (+2.8%)
$378,069 + $314,034
$692,103
2012
$7,914 (+1.7%)
$376,361 + $312,615
$688,976
2011
$7,779 (+1.4%)
$368,982 + $306,486
$675,468
2010
$7,674 (+0.1%)
$361,748 + $300,477
$662,225
2009
$7,662 (+3.6%)
$359,045 + $298,232
$657,277
2008
$7,398
$359,898 + $298,941
$658,839
Tax history for 9627 Alcosta Blvd
Year
Property tax
Land + Additions
Assessment*
2026
$11,051 (+3.4%)
$472,725 + $409,722
$882,447
2025
$10,689 (+2.1%)
$472,725 + $409,722
$882,447
2024
$10,474 (+6.9%)
$463,456 + $401,689
$865,145
2023
$9,797 (+0.7%)
$454,369 + $393,813
$848,182
2022
$9,726 (+2.0%)
$445,460 + $386,092
$831,552
2021
$9,533 (+0.7%)
$436,726 + $378,522
$815,248
2020
$9,469 (+1.4%)
$428,163 + $371,100
$799,263
2019
$9,342 (+6.0%)
$423,773 + $367,295
$791,068
2018
$8,816 (+3.7%)
$415,464 + $360,094
$775,558
2017
$8,498 (+1.2%)
$399,332 + $331,695
$731,027
2016
$8,395 (+1.0%)
$399,332 + $331,695
$731,027
2015
$8,313 (+1.2%)
$391,502 + $325,192
$716,694
2014
$8,216 (+1.0%)
$378,069 + $314,034
$692,103
2013
$8,135 (+2.8%)
$378,069 + $314,034
$692,103
2012
$7,914 (+1.7%)
$376,361 + $312,615
$688,976
2011
$7,779 (+1.4%)
$368,982 + $306,486
$675,468
2010
$7,674 (+0.1%)
$361,748 + $300,477
$662,225
2009
$7,662 (+3.6%)
$359,045 + $298,232
$657,277
2008
$7,398
$359,898 + $298,941
$658,839
*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
Oct 4, 2018 • Final
Alteration, remodel, repair - building residential
Remodel
Nov 16, 2017 • 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: 12
Exterior
Property Information
Living Sq. Ft: 3,104
Ground Floor Sq. Ft: 1,899
Building Sq. Ft: 3,104
# of Stories: 1
Legal Description: T04440 L0013 B EX MR
Parking & Garage Information
Garage/Parking Sq. Ft: 587
Lot Information
# of Buildings: 1
Land Sq. Ft: 10,530
Legal Lot Number: 13
Acres: 0.2417
County Use Description: DUPLEX
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 3.0
Sq. Ft.: 3,104
Stories: 1.0
Lot Size: 10,530 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1978
Year Renovated: 1988
County: Contra Costa County
APN: 2106610039
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 • 0.4mi
10/10
Pine Valley Middle School
Public 6-8 • Assigned • 0.8mi
10/10
California High School
Public 9-12 • Assigned • 1.1mi
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...