SOLD... OVER ASKING PRICE ... One of Castro Valleys most desired streets for a quiet life ... Walking distance to schools... public transportation... markets, etc... Unique flat 14,660 sq.ft lot is perfect for so many needs... ADU or 2nd house, private park like play area, possible parking for someone's personal business vehicles, boats, motor homes... etc... The SOLAR is paid for, not leased, tank-less water heater, new central air and heat, detached 2 car garage with added work shop and storage... there is a fenced dog area... detached storage building... and trees to provide privacy...
Single-familyProperty Type
1947Year Built
0.34 acresLot Size
$697Est. Price/Sq.Ft.
2 car garageParking
Listed by Dennis Ritter•DRE #01084316• Berkshire Hathaway Home Services
Bought with Lee Supnet•DRE #01861810• SKYE Real Estate
bridgeMLS, Bay East AOR, or Contra Costa AOR #40986668
May 13, 2022
Sold
$1,550,000
$750/sq ft
Apr 21, 2022
Pending
—
Apr 2, 2022
Listed
$1,499,000
$726/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40811881
Mar 29, 2018
Sold
$1,000,000
$484/sq ft
Mar 7, 2018
Pending
—
Feb 27, 2018
Listed
$889,950
$431/sq ft
+33
Open Sunday March 4th 1-4pm One of Castro Valley's Prettiest Streets! Cozy and Charming home with a huge beautiful park-like backyard. Spacious single level home, 4 bedrooms, 2 baths, large living room, family room, and library room. Sunny and bright kitchen has been updated with cherry cabinets, and stainless steel appliances. Gleaming wide plank hardwood floors in the living room. The family room's French doors look out to the back yard. Inside laundry, dual pane windows, owned solar, cement RV Parking pad & side access, plus extra off street parking to double detached garage. Close to Castro valley award winning schools. Zoned R1-CSU-RV double check with county. Fruit trees
Public Records
Feb 8, 1979
Sold
$54,500
$26/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$9,622 (+2.3%)
$374,383 + $374,383
$748,766
2024
$9,407 (+1.6%)
$374,383 + $374,383
$748,766
2023
$9,256 (−31.6%)
$367,043 + $367,043
$734,086
2022
$13,526 (+2.6%)
$321,657 + $750,533
$1,072,190
2021
$13,186 (+2.3%)
$321,657 + $750,533
$1,072,190
2020
$12,888 (−1.9%)
$315,351 + $735,819
$1,051,170
2019
$13,134 (+308.3%)
$312,120 + $728,280
$1,040,400
2018
$3,216 (+2.8%)
$306,000 + $714,000
$1,020,000
2017
$3,129 (+5.1%)
$78,067 + $134,010
$212,077
2016
$2,976 (+7.0%)
$78,067 + $134,010
$212,077
2015
$2,781 (+2.0%)
$76,537 + $131,383
$207,920
2014
$2,727 (+1.5%)
$73,911 + $126,875
$200,786
2013
$2,688 (+2.4%)
$73,911 + $126,875
$200,786
2012
$2,626 (+1.5%)
$73,577 + $126,302
$199,879
2011
$2,588 (+0.8%)
$72,134 + $123,826
$195,960
2010
$2,566
$70,720 + $121,398
$192,118
2009
$2,569 (+4.5%)
$70,192 + $120,491
$190,683
2008
$2,458
$70,358 + $120,777
$191,135
Tax history for 18973 Sandy Rd
Year
Property tax
Land + Additions
Assessment*
2025
$9,622 (+2.3%)
$374,383 + $374,383
$748,766
2024
$9,407 (+1.6%)
$374,383 + $374,383
$748,766
2023
$9,256 (−31.6%)
$367,043 + $367,043
$734,086
2022
$13,526 (+2.6%)
$321,657 + $750,533
$1,072,190
2021
$13,186 (+2.3%)
$321,657 + $750,533
$1,072,190
2020
$12,888 (−1.9%)
$315,351 + $735,819
$1,051,170
2019
$13,134 (+308.3%)
$312,120 + $728,280
$1,040,400
2018
$3,216 (+2.8%)
$306,000 + $714,000
$1,020,000
2017
$3,129 (+5.1%)
$78,067 + $134,010
$212,077
2016
$2,976 (+7.0%)
$78,067 + $134,010
$212,077
2015
$2,781 (+2.0%)
$76,537 + $131,383
$207,920
2014
$2,727 (+1.5%)
$73,911 + $126,875
$200,786
2013
$2,688 (+2.4%)
$73,911 + $126,875
$200,786
2012
$2,626 (+1.5%)
$73,577 + $126,302
$199,879
2011
$2,588 (+0.8%)
$72,134 + $123,826
$195,960
2010
$2,566
$70,720 + $121,398
$192,118
2009
$2,569 (+4.5%)
$70,192 + $120,491
$190,683
2008
$2,458
$70,358 + $120,777
$191,135
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Zoning
Permits
Beds
4
Baths
2
Stories
1
Lot width
—
Lot depth
—
Lot size
0.34 Acres
Year renovated
1955
Sq. Ft.
2,066
Year built
1947
Style
Single Family Residential
County
Alameda County
APN
084C081601400
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 27, 2026.
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
Mar 12, 2026 • Final
Building
Install an energy storage system with batteries and a new electrical panel.
Battery
Electrical
Solar
Oct 30, 2025 • Final
Building
Construct a new detached accessory dwelling unit at the rear of the property. The project includes a covered front entry porch, a new electrical subpanel, a mini split system outdoor unit, and a water heater.
New construction
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
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Detached, Off Street, RV/Boat Parking, Side Yard Access, Workshop in Garage, RV Access
Interior
Bathroom Information
# of Bathrooms Total: 2
# of Bathrooms Full: 2
Other Bathrooms Included Features: Stall Shower, Updated Baths
Primary Bathroom Included Features: Stall Shower, Tub, Updated Baths
Interior Features
Interior Features: Den, Dining Area, Family Room, Office, Storage, Workshop, Breakfast Bar, Counter - Solid Surface, Eat-in Kitchen, Updated Kitchen
Appliances: Dishwasher, Disposal, Gas Range, Free-Standing Range, Refrigerator, Tankless Water Heater
Laundry Features: Hookups Only, Laundry Room
Street Level Features: 4 Bedrooms, 2 Baths, Primary Bedrm Suite - 1, Laundry Facility, Main Entry
Fireplace Features: Brick, Living Room, Wood Burning
Basement: Crawl Space
Exterior
Building Information
Construction Materials: Stucco
Building Area Total: 2,066
Exterior Features
Patio And Porch Features: Patio, Rear Porch
Exterior Features: Backyard, Garden, Back Yard, Dog Run, Front Yard, Garden/Play, Side Yard, Sprinklers Automatic, Storage, Landscape Back, Landscape Front, Storage Area
Fencing: Fenced, Back Yard
Roof: Shingle
Property Information
Living Area: 2066
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1947
Lot Information
Other Structures: Shed(s)
Lot Size Square Feet: 14668
Lot Size Area: 0.34
Lot Size Units: Acres
Lot Size Acres: 0.34
Lot Features: Level, Premium Lot, Front Yard
Utilities
Utility Information
Water Source: Public
Electric: Photovoltaics Seller Owned
Sewer: Public Sewer
Utilities: All Public Utilities
Heating & Cooling
Has Heating
Heating: Forced Air, Natural Gas
Cooling: Central Air
Location
School Information
High School District: Castro Valley (510) 537-3000
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 2,066
Stories: 1.0
Lot Size: 0.34 acres
Style: Single Family Residential
Year Built: 1947
Year Renovated: 1955
County: Alameda County
APN: 084C081601400
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Proctor Elementary School
Public K-5 • Assigned • 0.7mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 0.7mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.5mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Castro Valley's late-summer market shows a clear split. While median prices hold near $1.2M, increased inventory gives buyers leverage on older properties. However, immaculate homes still go pending in under 15 days. A strong, clean offer is key!
Strong buyer demand keeps the Castro Valley market moving incredibly fast. With homes frequently selling above their $1.2 million median price, decisive action is essential. To win here, buyers need to submit competitive offers quickly and minimize...
Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2022. This data may not match public records. Learn more.