Alameda County  »  6683 Giannini CT

6683 Giannini Court, Castro Valley, CA 94552 Property Information

6683 Giannini Court, Castro Valley, CA 94552 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

6683 Giannini Court, Castro Valley, CA 94552
static Mapbox map

Address

Primary address 6683 Giannini Court, Castro Valley
Zip code 94552
County Alameda
Parcel ID 85A-6404-45

Sales & Tax Overview for 6683 Giannini Court, Castro Valley

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 02/02/2005
Sale price $630,000
Arm's length
Current property tax $10,139

Lot & Building Information for 6683 Giannini Court, Castro Valley

Building sqft 1,354
Building class Single Family Residential - Planned Development Tract with Common Area (1800)
Acreage 0.14
Units 1
Year built 1985
Stories 1
Bedrooms 3
Bathrooms 2
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Planned Development (PD-1529)
School district Castro Vly Unif SCH

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 6683 Giannini Court, Castro Valley

Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:

  • • Improvements for 6683 Giannini Court, Castro Valley , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
Unlock all property data with a free account.
Sign up

About 6683 Giannini Court, Castro Valley

What is the year built & the total sq. ft. for 6683 Giannini Court, Castro Valley, CA 94552?

6683 Giannini Court, Castro Valley, CA 94552 was built in 1985 and has a total of 1,354 square feet.

What is the assessed value of 6683 Giannini Court, Castro Valley, CA 94552 and the property tax paid?

Assessed at $878,080, the tax amount paid for 6683 Giannini Court, Castro Valley, CA 94552 is $10,220.

When was 6683 Giannini Court, Castro Valley, CA 94552 last sold and what was the last sale price?

6683 Giannini Court, Castro Valley, CA 94552 was last sold in 02/02/2005 for $630,000.

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

Real Estate Reports:
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 6683 Giannini Court, Castro Valley

Create a free account to view the complete sales history for 6683 Giannini Court, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
02/02/2005 $630,000
04/30/1998 $258,500
04/19/1991 $275,000
       
       
Access the complete sales history for 6683 Giannini Court, Castro Valley with a free account.
Sign up

*Here are the three most recent sales for this property.


Title Documents for 6683 Giannini Court, Castro Valley

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Maturity Document Doc image
06/02/2015 Deed of Trust
02/02/2005 Deed
04/30/1998 Deed
04/19/1991 Deed
               
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 6683 Giannini Court, Castro Valley

Access detailed property tax data for 6683 Giannini Court, Castro Valley, CA 94552. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Base tax $10,221
Current property tax $10,139
Market value $878,080

Assessment History for 6683 Giannini Court, Castro Valley

Here's the assessment & property tax history for 6683 Giannini Court, Castro Valley, including the evolution of the total tax rate and corresponding property tax.

Year Assessment value Total tax rate Property tax Year over year change
2025-2026 $878,080 1.164 $10,221 +0.69%
2024-2025 $860,868 1.1791 $10,150 -48.84%
2023-2024 $843,991 2.3508 $19,841 +101.36%
2022-2023 $827,447 1.1908 $9,853 +2.52%
2021-2022 $811,225 1.1848 $9,611 +2.28%

Permits for 6683 Giannini Court, Castro Valley

The complete history of permits filed for 6683 Giannini Court, Castro Valley, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Castro Valley residential market stats

Median Sale Price
$989,000
-8.4% YoY
Median Price/Sqft
$669
3.4% YoY
Alameda County Median Sale Price
$965,000
-7.1% YoY

Access a detailed real estate market overview of Castro Valley so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Castro Valley and compare it to other neighborhoods in Alameda County.

Check out recently sold homes in Castro-Valley and see how their prices compare.

Risk

Create a free account to unlock extended information for 6683 Giannini Court, Castro Valley, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s) X (See more on map)
Fire hazard zone See more on map
Faults and tsunami inundation zone map
Landslides and liquefaction map

Transportation

Access the detailed traffic volume map for 6683 Giannini Court, Castro Valley to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

View daily traffic map

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Jensen Ranch Elementary School 9 Public K-5 382 0.29
Liberty School NR Private 1-12 0 0.70
Palomares Elementary School 8 Public K-5 121 1.56
Independent Elementary School 8 Public K-5 634 1.61
Vannoy Elementary School 7 Public K-5 441 1.63

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Liberty School NR Private 1-12 0 0.70
Canyon Middle School 6 Public 6-8 1,332 1.32
Creekside Middle School 8 Public 6-8 760 1.97
Castro Valley Adult And Career Education NR Public 0 2.21
Alma Preschool NR Public 52 2.24

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Liberty School NR Private 1-12 0 0.70
Castro Valley Adult And Career Education NR Public 0 2.21
Alma Preschool NR Public 52 2.24
Redwood Christian Schools NR Private K-12 706 2.34
Castro Valley High School 9 Public 9-12 2,799 2.60

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 6683 Giannini Court, Castro Valley

Here are the neighbors for 6683 Giannini Court, Castro Valley.

Address Square feet Purchase date Purchase price
19000 Masterson Pl, Castro Valley 2,479 09/20/2019
19108 Masterson Pl, Castro Valley 1,354 10/17/2022
6684 Bowie Way, Castro Valley 1,420 01/07/2014
19280 Edwin Markham Dr, Castro Valley 2,645 10/10/2012 $721,000
19140 Edwin Markham Dr, Castro Valley 1,977 05/19/2008
18968 Masterson Pl, Castro Valley 2,241 10/23/2007 $750,000
19036 Masterson Pl, Castro Valley 2,488 09/17/2019 $1,100,000
18803 Clement Dr, Castro Valley 1,657 03/29/2002
19051 Clement Dr, Castro Valley 2,978 03/05/1993 $380,000
6670 Bowie Way, Castro Valley 1,956 07/07/2017
6655 Giannini CT, Castro Valley 2,228 07/14/2023
19101 Clement Dr, Castro Valley 1,354 07/22/2021 $1,300,000
19072 Masterson Pl, Castro Valley 1,950 08/29/2018
19144 Masterson Pl, Castro Valley 2,737 06/07/2019 $1,070,000
19350 Edwin Markham Dr, Castro Valley 2,324
18837 Clement Dr, Castro Valley 1,808 08/25/2023
19210 Edwin Markham Dr, Castro Valley 766 07/13/2016
18969 Masterson Pl, Castro Valley 1,354 04/30/1997 $262,000
6656 Bowie Way, Castro Valley 2,228 04/01/2025 $909
6614 Bowie Way, Castro Valley 3,090 07/09/2021 $1,605,000

Nearby ZIP Codes for 6683 Giannini Court, Castro Valley

Not sure if we cover all the data-points you need? View sample full report View sample full report