Alameda County  »  20047 Garnet CT

20047 Garnet Court, Castro Valley, CA 94546 Property Information

20047 Garnet Court, Castro Valley, CA 94546 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

20047 Garnet Court, Castro Valley, CA 94546
static Mapbox map

Address

Primary address 20047 Garnet Court, Castro Valley
Zip code 94546
County Alameda
Parcel ID 84C-669-40

Sales & Tax Overview for 20047 Garnet 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 06/11/2004
Sale price $445,000
Arm's length
Property tax $7,497

Lot & Building Information for 20047 Garnet Court, Castro Valley

Building sqft 1,410
Building class Single Family Residential Homes Used as Such (1100)
Acreage 0.12
Units 1
Year built 1947
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 Single Family Residential (R1-CSU-RV)
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 20047 Garnet 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 20047 Garnet 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 20047 Garnet Court, Castro Valley

What is the year built & the total sq. ft. for 20047 Garnet Court, Castro Valley, CA 94546?

20047 Garnet Court, Castro Valley, CA 94546 was built in 1947 and has a total of 1,410 square feet.

What is the assessed value of 20047 Garnet Court, Castro Valley, CA 94546 and the property tax paid?

Assessed at $644,090, the tax amount paid for 20047 Garnet Court, Castro Valley, CA 94546 is $7,497.

When was 20047 Garnet Court, Castro Valley, CA 94546 last sold?

20047 Garnet Court, Castro Valley, CA 94546 was last sold in 07/01/2016.

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, Apr 09, 2026 How to Do a Title Search on Property Yourself: A Step-by-Step Online GuideĀ 
A property title search is the process of reviewing public records to confirm who legally owns a property and whether there are any liens, mortgages or legal claims attached to it. Explore our step-by-step guide explaining how you can perform a title search yourself. 
Laura Pop-Badiu, Mar 31, 2026 Property Owners Map: How to See Ownership Details and Parcel Lines
If you’re trying to find property owners by map, evaluate nearby parcels or understand how properties connect, a map-based approach makes the process faster, clearer and more intuitive.
Eliza Theiss, Mar 19, 2026 Cheaper in the City? Nearly 100 Communities in Suburban NYC Surpass $1M
New Yorkers planning a move to the suburbs increasingly find their options limited, after suburban home values shot up twice as fast as NYC medians over the last decade. While larger homes and better prices were long the norm outside the five boroughs, today, many NYC buyers find their option restricted to a handful of suburban markets.
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 20047 Garnet Court, Castro Valley

Create a free account to view the complete sales history for 20047 Garnet Court, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
06/11/2004 $445,000
10/29/1993 $184,000
       
       
       
Access the complete sales history for 20047 Garnet Court, Castro Valley with a free account.
Sign up

Title Documents for 20047 Garnet 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
07/01/2016 Trust Transfer Deed
10/16/2008 Deed
01/24/2008 Deed
06/11/2004 Deed
06/11/1996 Deed
10/29/1993 Deed
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 20047 Garnet Court, Castro Valley

Access detailed property tax data for 20047 Garnet Court, Castro Valley, CA 94546. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $7,497
Market value $644,090

Assessment History for 20047 Garnet Court, Castro Valley

Here's the assessment & property tax history for 20047 Garnet 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 $644,090 1.164 $7,497 +0.69%
2024-2025 $631,464 1.1791 $7,446 -48.84%
2023-2024 $619,083 2.3508 $14,553 +101.36%
2022-2023 $606,946 1.1908 $7,228 +2.52%
2021-2022 $595,048 1.1848 $7,050 +2.29%

Permits for 20047 Garnet Court, Castro Valley

The complete history of permits filed for 20047 Garnet 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.

Issued Permit Type Status
01/12/2017
       
       
       
       
Unlock the permit history for 20047 Garnet Court, Castro Valley with a free account.
Sign up

Castro Valley residential market stats

Median Sale Price
$1,042,500
-3.4% YoY
Median Price/Sqft
$652
-4.7% YoY
Alameda County Median Sale Price
$1,020,000
-4.2% 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 20047 Garnet 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 20047 Garnet 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)
Marshall Elementary School 9 Public K-5 491 0.04
Early Bird Montessori School NR Private PK, K-1 30 0.41
Early Bird Montessori School NR Private PK, K-1 30 0.41
Redwood Christian Elementary School NR Private K-5 282 0.68
Vannoy Elementary School 7 Public K-5 441 0.71

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Creekside Middle School 8 Public 6-8 760 0.26
Castro Valley Adult And Career Education NR Public 0 0.75
Redwood Christian Schools NR Private K-12 706 0.76
Alma Preschool NR Public 52 0.78
Special Education-Preschool-Laurel NR Public 1 0.80

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Castro Valley Adult And Career Education NR Public 0 0.75
Redwood Christian Schools NR Private K-12 706 0.76
Alma Preschool NR Public 52 0.78
Special Education-Preschool-Laurel NR Public 1 0.80
Castro Valley High School 9 Public 9-12 2,799 0.83

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

Neighbors for 20047 Garnet Court, Castro Valley

Here are the neighbors for 20047 Garnet Court, Castro Valley.

Address Square feet Purchase date Purchase price
20079 Topaz CT, Castro Valley 1,767 04/11/2022
20585 Center St, Castro Valley 3,610 10/19/2016
4250 Gem Ave, Castro Valley 1,268
4282 Gem Ave, Castro Valley 1,728 06/17/2010 $400,000
4225 Gem Ave, Castro Valley 1,080 10/31/2016 $589,000
20023 Topaz CT, Castro Valley 1,322 11/16/2007 $510,000
19953 Center St, Castro Valley 928 08/20/2019
4034 Meadowview Dr, Castro Valley 1,709 09/15/2020
20641 Center St, Castro Valley 1,062 08/05/2020 $775,000
20065 Garnet CT, Castro Valley 1,515 06/04/2008
20060 Garnet CT, Castro Valley 2,135 09/06/2023
4244 Gem Ave, Castro Valley 1,258 09/22/2020
4339 Omega Ave, Castro Valley 1,726 10/11/2023 $1,150,000
4217 Gem Ave, Castro Valley 1,080 06/05/2018
20021 Onyx CT, Castro Valley 1,631 06/30/2025
4102 Greenacre Rd, Castro Valley 1,124 04/09/2007
4086 Greenacre Rd, Castro Valley 1,124 01/14/2016 $625,000
20077 Onyx CT, Castro Valley 1,080 05/01/2008 $89,000
4275 Omega Ave, Castro Valley 1,470 11/18/2019 $760,000
4259 Omega Ave, Castro Valley 1,217 10/27/2017

Nearby ZIP Codes for 20047 Garnet Court, Castro Valley

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