3830 Seven Hills Rd is a 1,587 square foot house on a 7,140 square foot lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Castro Valley data, we estimate the home's value is $1,108,406.
Single-familyProperty Type
1938Year Built
7,140 sq ftLot Size
$698Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,108,406
$39K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.9% lower than the average sale price ($1.19M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$5,772 (+2.4%)
$159,628 + $262,872
$422,500
2024
$5,636 (+1.9%)
$159,628 + $262,872
$422,500
2023
$5,533 (+2.2%)
$156,498 + $257,719
$414,217
2022
$5,416 (+2.7%)
$150,422 + $247,713
$398,135
2021
$5,273 (+2.4%)
$150,422 + $247,713
$398,135
2020
$5,151 (−1.7%)
$147,473 + $242,856
$390,329
2019
$5,238 (+2.9%)
$145,961 + $240,367
$386,328
2018
$5,088 (+2.7%)
$143,100 + $235,655
$378,755
2017
$4,953 (+5.1%)
$137,544 + $226,506
$364,050
2016
$4,711 (+7.0%)
$137,544 + $226,506
$364,050
2015
$4,403 (+1.5%)
$134,848 + $222,065
$356,913
2014
$4,338 (+63.9%)
$130,221 + $214,446
$344,667
2013
$2,647 (+2.4%)
$130,221 + $214,446
$344,667
2012
$2,585 (+1.5%)
$112,266 + $83,955
$196,221
2011
$2,548 (+0.8%)
$110,065 + $82,309
$192,374
2010
$2,527
$107,907 + $80,696
$188,603
2009
$2,529 (+4.5%)
$107,101 + $80,092
$187,193
2008
$2,419
$107,355 + $80,283
$187,638
Tax history for 3830 Seven Hills Rd
Year
Property tax
Land + Additions
Assessment*
2025
$5,772 (+2.4%)
$159,628 + $262,872
$422,500
2024
$5,636 (+1.9%)
$159,628 + $262,872
$422,500
2023
$5,533 (+2.2%)
$156,498 + $257,719
$414,217
2022
$5,416 (+2.7%)
$150,422 + $247,713
$398,135
2021
$5,273 (+2.4%)
$150,422 + $247,713
$398,135
2020
$5,151 (−1.7%)
$147,473 + $242,856
$390,329
2019
$5,238 (+2.9%)
$145,961 + $240,367
$386,328
2018
$5,088 (+2.7%)
$143,100 + $235,655
$378,755
2017
$4,953 (+5.1%)
$137,544 + $226,506
$364,050
2016
$4,711 (+7.0%)
$137,544 + $226,506
$364,050
2015
$4,403 (+1.5%)
$134,848 + $222,065
$356,913
2014
$4,338 (+63.9%)
$130,221 + $214,446
$344,667
2013
$2,647 (+2.4%)
$130,221 + $214,446
$344,667
2012
$2,585 (+1.5%)
$112,266 + $83,955
$196,221
2011
$2,548 (+0.8%)
$110,065 + $82,309
$192,374
2010
$2,527
$107,907 + $80,696
$188,603
2009
$2,529 (+4.5%)
$107,101 + $80,092
$187,193
2008
$2,419
$107,355 + $80,283
$187,638
*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
Feb 15, 2018 • Final
Building
Tear off and replace the existing roofing with new asphalt shingles on a residential building. Use the existing roof deck and recycle the old materials.
Roofing
Aug 4, 1998 • Final
Building
Work on re-roofing.
Roofing
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: Floor Furnace
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Exterior Wall: Stucco
Building Type: Detached
View Information
View: Good
Property Information
Subdivision Name: CASTRO VALLEY
Living Sq. Ft: 1,587
Building Sq. Ft: 1,587
# of Units: 1
# of Stories: 1
Parking & Garage Information
# of Parking Spaces: 1
Parking Type: Undefined Type - 1 Car Garage
Garage / Carport Type: Undefined Type - 1 Car
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,140
Legal Lot Number: 16
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1639
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,587
Stories: 1.0
Lot Size: 7,140 square feet
Style: Single Family Residential
Year Built: 1938
Year Renovated: 1952
County: Alameda County
APN: 084D117501000
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Chabot Elementary School
Public K-5 • Assigned • 0.4mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 1.6mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.6mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
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