4490 Seven Hills Rd is a 1,218 square foot house on a 0.29 acre lot with 3 bedrooms and 2 bathrooms. - it last sold on April 16, 1997 for $227,000. Based on Redfin's Castro Valley data, we estimate the home's value is $1,151,743.
Single-familyProperty Type
1958Year Built
0.29 acresLot Size
$946Est. Price/Sq.Ft.
1 car garageParking
Source:Public Records
Redfin Estimate
$1,151,743
$925K since sold in April 1997$17K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.4% lower than the average sale price ($1.23M) of 5 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #27590977
Mar 19, 1997
Listing Removed
—
Year
Property tax
Land + Additions
Assessment*
2025
$5,072 (+2.5%)
$111,131 + $259,307
$370,438
2024
$4,950 (+1.9%)
$108,952 + $254,222
$363,174
2023
$4,856 (+2.2%)
$106,816 + $249,238
$356,054
2022
$4,750 (+2.7%)
$102,669 + $239,561
$342,230
2021
$4,624 (+2.4%)
$102,669 + $239,561
$342,230
2020
$4,516 (−1.6%)
$100,656 + $234,864
$335,520
2019
$4,591 (+3.0%)
$99,624 + $232,457
$332,081
2018
$4,459 (+2.8%)
$97,671 + $227,901
$325,572
2017
$4,339 (+5.1%)
$93,880 + $219,053
$312,933
2016
$4,127 (+7.0%)
$93,880 + $219,053
$312,933
2015
$3,857 (+1.6%)
$92,039 + $214,759
$306,798
2014
$3,796 (+1.1%)
$88,882 + $207,391
$296,273
2013
$3,754 (+2.2%)
$88,882 + $207,391
$296,273
2012
$3,673 (+1.4%)
$88,480 + $206,454
$294,934
2011
$3,621 (+0.8%)
$86,745 + $202,407
$289,152
2010
$3,594 (−0.3%)
$85,045 + $198,439
$283,484
2009
$3,603 (+3.9%)
$84,409 + $196,956
$281,365
2008
$3,469
$84,610 + $197,424
$282,034
Tax history for 4490 Seven Hills Rd
Year
Property tax
Land + Additions
Assessment*
2025
$5,072 (+2.5%)
$111,131 + $259,307
$370,438
2024
$4,950 (+1.9%)
$108,952 + $254,222
$363,174
2023
$4,856 (+2.2%)
$106,816 + $249,238
$356,054
2022
$4,750 (+2.7%)
$102,669 + $239,561
$342,230
2021
$4,624 (+2.4%)
$102,669 + $239,561
$342,230
2020
$4,516 (−1.6%)
$100,656 + $234,864
$335,520
2019
$4,591 (+3.0%)
$99,624 + $232,457
$332,081
2018
$4,459 (+2.8%)
$97,671 + $227,901
$325,572
2017
$4,339 (+5.1%)
$93,880 + $219,053
$312,933
2016
$4,127 (+7.0%)
$93,880 + $219,053
$312,933
2015
$3,857 (+1.6%)
$92,039 + $214,759
$306,798
2014
$3,796 (+1.1%)
$88,882 + $207,391
$296,273
2013
$3,754 (+2.2%)
$88,882 + $207,391
$296,273
2012
$3,673 (+1.4%)
$88,480 + $206,454
$294,934
2011
$3,621 (+0.8%)
$86,745 + $202,407
$289,152
2010
$3,594 (−0.3%)
$85,045 + $198,439
$283,484
2009
$3,603 (+3.9%)
$84,409 + $196,956
$281,365
2008
$3,469
$84,610 + $197,424
$282,034
*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
R1
Single-Family Residence Districts
Single-family residence districts, hereinafter designated as R-1 districts, are established to provide for and protect established neighborhoods of one-family dwellings, and to provide space in suitable locations for additional development of this kind, together with appropriate community facilities and allowance for restricted interim cultivation of the soil compatible with such low-density residential development.
Permitted uses
Include but are not limited to:
Housing-Single unit
Agriculture-Cropland
Agriculture-Grove / orchard
Sep 19, 2022 • Final
Building
Upgrade the main electrical panel.
Electrical
Jul 25, 2022 • Final
Building
Install a roof-mounted solar photovoltaic system with modules and a sub-panel.
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
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 5
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: Rectangular Design
Construction Type: Wood
Building Construction Quality: Average
Property Information
Subdivision Name: LANGAN
Living Sq. Ft: 1,218
Building Sq. Ft: 1,218
# of Units: 1
# of Stories: 1
Legal Description: LOT 5,6
Lot Information
# of Buildings: 1
Land Sq. Ft: 12,488
Legal Lot Number: 5,6
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.2867
Depth Footage: 220
Front Footage: 56
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,218
Stories: 1.0
Lot Size: 0.29 acres
Style: Single Family Residential
Year Built: 1958
Year Renovated: 1959
County: Alameda County
APN: 084C083000506
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
K - 12
Preschool & daycare
Proctor Elementary School
Public K-5 • Assigned • 0.5mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 1.0mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.4mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Castro Valley remains a highly competitive market. On average, homes are selling for 103.7% of their asking price, with nearly 60% of properties closing above list price.
Castro Valley's fall market offers great buyer leverage. While median prices hold steady around $1.2M, increased inventory gives you room to negotiate on homes needing updates. Turnkey properties still move fast in under 15 days, so act quickly with...