Wow This is a one of a kind, Two Living areas for the price of 1.Sharp remodeled 2 bedroom,with upgraded kitchen with Quartz counters,,1.5 remodeled baths in main house,new roof,clear termite new rear deck,new landscaping front and rear,new fencing.Laminate flooring.Central Air Conditioning,Bonus brand new permited junior adu with studio,full bathroom and small kitchen area.Use it as additional living space or rent out to lower your monthly payment.Walk to Lake Chabot Regional Park,Castro Valley community center,park and Highly rated Lake Chabot Elementary school,Can't pass this one up.
Single-familyProperty Type
1946Year Built
4,500 sq ftLot Size
$753Price/Sq.Ft.
Listed by Gregory Silva•DRE #00429177• EXP Realty of California, Inc
Contact: gsrealty@pacbell.net
Bought with Gregory Silva•DRE #00429177• EXP Realty of California, Inc
Est. $2,713 per month, based on comparable rentals
Sale and tax history for 3447 Seven Hills Rd
Sale History
Tax History
Date
Event
Price
bridgeMLS, Bay East AOR, or Contra Costa AOR #41139762
Sep 3, 2026
Sold
$870,000
$753/sq ft
Aug 11, 2026
Pending
—
Jun 26, 2026
Listed
$888,888
$770/sq ft
Year
Property tax
Land + Additions
Assessment*
2019
$8,786 (+497.0%)
$198,900 + $464,100
$663,000
2018
$1,472 (−8.7%)
$198,900 + $464,100
$663,000
2017
$1,613 (−17.2%)
$40,561 + $23,027
$63,588
2016
$1,947 (+8.3%)
$40,561 + $23,027
$63,588
2015
$1,798 (+29.4%)
$39,766 + $22,575
$62,341
2014
$1,389 (+16.1%)
$38,401 + $21,800
$60,201
2013
$1,196 (+2.9%)
$38,401 + $21,800
$60,201
2012
$1,162 (+1.5%)
$38,228 + $21,702
$59,930
2011
$1,145 (+1.0%)
$37,478 + $21,277
$58,755
2010
$1,133 (+0.7%)
$36,744 + $20,859
$57,603
2009
$1,125 (+7.2%)
$36,469 + $20,704
$57,173
2008
$1,049
$36,556 + $20,753
$57,309
Public record
Public record
Zoning
Permits
Beds
2
Baths
1
Stories
1
Lot width
—
Lot depth
—
Lot size
0.34 Acres
Year renovated
1950
Sq. Ft.
888
Year built
1946
Style
Single Family Residential
County
Alameda County
APN
084D130000403
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jun 18, 2024.
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 20, 2026 • Final
Building
Convert an existing attached garage into a junior accessory dwelling unit. The project includes a studio unit with one bathroom and the installation of a new mini-split system.
ADU
HVAC
Feb 10, 2026 • Final
Building
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
Parking
Parking Information
Parking Features: Parking Spaces, Parking Lot, No Garage
Interior
Virtual Tour
Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 2
# of Bathrooms Partial: 1
ADU Baths Full: 1
Interior Features
Interior Features: Updated Kitchen
Appliances: Dishwasher, Gas Range, Microwave, Gas Water Heater
Laundry Features: Laundry Closet
Street Level Features: 2 Bedrooms, 2.5 Baths
Flooring: Laminate
Room Information
Kitchen Features: Stone Counters,Dishwasher,Disposal,Gas Range/Cooktop,Microwave,Updated Kitchen
ADU Has Kitchen
Rooms Total: 7
Room Type: Basement, Living Room, Master Bathroom, Master Bedroom, Studio
Exterior
Building Information
Construction Materials: Stucco
Building Area Total: 1,155
Exterior Features
Patio And Porch Features: Deck, Front Porch
Exterior Features: Back Yard, Front Yard, Landscape Back, Landscape Front
Fencing: Fenced, Wood
Roof: Shingle
Property Information
Living Area: 1155
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1946
Has ADU
Lot Information
Lot Size Square Feet: 4500
Lot Size Area: 0.1
Lot Size Units: Acres
Lot Size Acres: 0.1
Lot Features: Premium Lot
Zoning: SB9 R 1
Utilities
Utility Information
Water Source: Public
Utilities: Cable Available, Natural Gas Connected
Heating & Cooling
Has Heating
Heating: Gravity, Natural Gas
Cooling: Central Air
Location
School Information
High School District: CASTRO VALLEY UNIFIED SCHOOL DISTRICT
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 888
Stories: 1.0
Lot Size: 0.34 acres
Style: Single Family Residential
Year Built: 1946
Year Renovated: 1950
County: Alameda County
APN: 084D130000403
Home facts updated by county records on Jun 18, 2024
Around this home
Schools
Chabot Elementary School
Public K-5 • Assigned • 0.3mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 1.9mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 1.0mi
9/10
Provided by GreatSchools
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...
Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2026. This data may not match public records. Learn more.