bridgeMLS, Bay East AOR, or Contra Costa AOR #10523402
Jan 11, 1999
Sold
$339,900
$119/sq ft
Nov 30, 1998
Listing Removed
—
Nov 20, 1998
Listed
$339,900
$119/sq ft
BEAUTIFUL FROM ITS CURB APPEAL TO ITS LARGE PRIVATE PARK-LIKE BACKYARD. NEUTRAL COLOR CARPETS AND WALLS. A/C, DUAL-PANE WINDOWS,
bridgeMLS, Bay East AOR, or Contra Costa AOR #28523402
Jan 1, 1999
Sold
$340,000
$119/sq ft
Nov 20, 1998
Listed
$339,900
$119/sq ft
Public Records
May 8, 1985
Sold
$182,000
$64/sq ft
Public Records
Feb 15, 1984
Sold
$62,500
$22/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$15,062 (+2.0%)
$494,776 + $844,371
$1,339,147
2024
$14,765 (+1.6%)
$485,075 + $827,815
$1,312,890
2023
$14,536 (+15.4%)
$475,564 + $811,584
$1,287,148
2022
$12,595 (+2.0%)
$466,240 + $795,671
$1,261,911
2021
$12,344 (+0.6%)
$457,099 + $613,403
$1,070,502
2020
$12,267 (+1.3%)
$448,137 + $601,376
$1,049,513
2019
$12,109 (+3.8%)
$443,542 + $595,210
$1,038,752
2018
$11,660 (+9.9%)
$434,846 + $583,540
$1,018,386
2017
$10,609 (+4.1%)
$392,835 + $527,165
$920,000
2016
$10,189 (+7.6%)
$392,835 + $527,165
$920,000
2015
$9,467 (+8.8%)
$373,407 + $501,093
$874,500
2014
$8,700 (+11.3%)
$311,279 + $417,721
$729,000
2013
$7,817 (+13.3%)
$311,279 + $417,721
$729,000
2012
$6,902 (−8.0%)
$278,827 + $374,173
$653,000
2011
$7,503 (+0.7%)
$245,735 + $329,765
$575,500
2010
$7,453 (−3.9%)
$269,007 + $360,993
$630,000
2009
$7,756 (−10.4%)
$269,007 + $360,993
$630,000
2008
$8,654
$282,030 + $378,470
$660,500
Tax history for 9496 Alcosta Blvd
Year
Property tax
Land + Additions
Assessment*
2025
$15,062 (+2.0%)
$494,776 + $844,371
$1,339,147
2024
$14,765 (+1.6%)
$485,075 + $827,815
$1,312,890
2023
$14,536 (+15.4%)
$475,564 + $811,584
$1,287,148
2022
$12,595 (+2.0%)
$466,240 + $795,671
$1,261,911
2021
$12,344 (+0.6%)
$457,099 + $613,403
$1,070,502
2020
$12,267 (+1.3%)
$448,137 + $601,376
$1,049,513
2019
$12,109 (+3.8%)
$443,542 + $595,210
$1,038,752
2018
$11,660 (+9.9%)
$434,846 + $583,540
$1,018,386
2017
$10,609 (+4.1%)
$392,835 + $527,165
$920,000
2016
$10,189 (+7.6%)
$392,835 + $527,165
$920,000
2015
$9,467 (+8.8%)
$373,407 + $501,093
$874,500
2014
$8,700 (+11.3%)
$311,279 + $417,721
$729,000
2013
$7,817 (+13.3%)
$311,279 + $417,721
$729,000
2012
$6,902 (−8.0%)
$278,827 + $374,173
$653,000
2011
$7,503 (+0.7%)
$245,735 + $329,765
$575,500
2010
$7,453 (−3.9%)
$269,007 + $360,993
$630,000
2009
$7,756 (−10.4%)
$269,007 + $360,993
$630,000
2008
$8,654
$282,030 + $378,470
$660,500
*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
Feb 20, 2016 • Final
Miscellaneous - re-roof
Roofing
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
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 8
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: Ranch
Building Construction Quality: Good
Property Information
Living Sq. Ft: 2,859
Ground Floor Sq. Ft: 2,859
Building Sq. Ft: 3,387
# of Stories: 1
Legal Description: T05612 L0009 B EX MR
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 528
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 15,200
Legal Lot Number: 9
Acres: 0.3489
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 3.0
Sq. Ft.: 2,859
Stories: 1.0
Lot Size: 0.35 acres
Style: Single Family Residential
Year Built: 1984
Year Renovated: 2000
County: Contra Costa County
APN: 2107510097
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
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
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