Alameda County  »  16846 Hallmark CT

16846 Hallmark Court, Castro Valley, CA 94552 Property Information

16846 Hallmark Court, Castro Valley, CA 94552 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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16846 Hallmark Court, Castro Valley, CA 94552
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Address

Primary address 16846 Hallmark Court, Castro Valley
Alternate address(es) 16840 Hallmark CT
Zip code 94552
County Alameda
Parcel ID 85-6314-50

Sales & Tax Overview for 16846 Hallmark 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 04/21/1988
Sale price $34,000
Arm's length
Current property tax $5,508

Lot & Building Information for 16846 Hallmark Court, Castro Valley

Building sqft 2,830
Building class Single Family Residential - Planned Development Tract with Common Area (1800)
Acreage 0.23
Units 1
Year built 1987
Stories 2
Bedrooms 5
Bathrooms 3
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Planned Development (PD-1591)
School district Castro Vly Unif SCH

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Other Property Data for 16846 Hallmark Court, Castro Valley

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  • • Improvements for 16846 Hallmark Court, Castro Valley , including their type, square footage, grade and when they were built.
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About 16846 Hallmark Court, Castro Valley

What is the year built & the total sq. ft. for 16846 Hallmark Court, Castro Valley, CA 94552?

16846 Hallmark Court, Castro Valley, CA 94552 was built in 1987 and has a total of 2,830 square feet.

What is the assessed value of 16846 Hallmark Court, Castro Valley, CA 94552 and the property tax paid?

Assessed at $480,236, the tax amount paid for 16846 Hallmark Court, Castro Valley, CA 94552 is $5,589.

When was 16846 Hallmark Court, Castro Valley, CA 94552 last sold?

16846 Hallmark Court, Castro Valley, CA 94552 was last sold in 06/14/2023.

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
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.
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Past Sales & Property History for 16846 Hallmark Court, Castro Valley

Create a free account to view the complete sales history for 16846 Hallmark Court, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
04/21/1988 $34,000

Title Documents for 16846 Hallmark 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
06/14/2023 Grant Deed to Revocable Trust
08/15/2013 Interspousal Transfer Deed
10/25/2002 Deed
01/28/1999 Deed
07/08/1998 Deed
07/08/1998 Deed
04/21/1988 Deed
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R: Recorded date
D: Document date

Property Taxes for 16846 Hallmark Court, Castro Valley

Access detailed property tax data for 16846 Hallmark 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 $5,590
Current property tax $5,508
Market value $480,236

Assessment History for 16846 Hallmark Court, Castro Valley

Here's the assessment & property tax history for 16846 Hallmark 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 $480,236 1.164 $5,590 +0.69%
2024-2025 $470,820 1.1791 $5,551 -47.43%
2023-2024 $449,236 2.3508 $10,561 +101.36%
2022-2023 $440,428 1.1908 $5,245 +2.51%
2021-2022 $431,793 1.1848 $5,116 +2.29%

Permits for 16846 Hallmark Court, Castro Valley

The complete history of permits filed for 16846 Hallmark 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
03/07/2019
       
       
       
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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 16846 Hallmark 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 16846 Hallmark 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)
Proctor Elementary School 8 Public K-5 584 0.99
The Montessori Giving Tree NR Private K-6 7 1.08
Liberty School NR Private 1-12 0 1.18
Vannoy Elementary School 7 Public K-5 441 1.41
Castro Valley Adult And Career Education NR Public 0 1.45

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Liberty School NR Private 1-12 0 1.18
Castro Valley Adult And Career Education NR Public 0 1.45
Alma Preschool NR Public 52 1.45
Redwood Christian Schools NR Private K-12 706 1.55
Canyon Middle School 6 Public 6-8 1,332 1.62

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Liberty School NR Private 1-12 0 1.18
Castro Valley Adult And Career Education NR Public 0 1.45
Alma Preschool NR Public 52 1.45
Redwood Christian Schools NR Private K-12 706 1.55
Castro Valley High School 9 Public 9-12 2,799 1.77

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

Neighbors for 16846 Hallmark Court, Castro Valley

Here are the neighbors for 16846 Hallmark Court, Castro Valley.

Address Square feet Purchase date Purchase price
16808 Columbia Dr, Castro Valley 2,262 03/12/2021
16858 Hallmark CT, Castro Valley 2,830 01/29/2014
16856 Columbia Dr, Castro Valley 2,830
16872 Columbia Dr, Castro Valley 2,830 10/14/2014 $865,000
16889 Hallmark CT, Castro Valley 2,313 11/21/2018
16784 Columbia Dr, Castro Valley 1,890 08/02/2022
16845 Hallmark CT, Castro Valley 2,216
17147 Columbia Dr, Castro Valley 2,039 11/29/2005 $820,000
16776 Columbia Dr, Castro Valley 2,098 08/27/1993
16768 Columbia Dr, Castro Valley 2,262 11/08/2022
6565 Bellhurst Ln, Castro Valley 2,039 06/11/2019 $1,200,000
6573 Bellhurst Ln, Castro Valley 2,726 04/15/2021
16864 Columbia Dr, Castro Valley 2,830 10/13/2006 $845,000
16873 Hallmark CT, Castro Valley 2,830 11/21/2012 $735,000
5555 Greenridge Rd, Castro Valley 1,834
5531 Greenridge Rd, Castro Valley 1,834 09/28/2017
17166 Columbia Dr, Castro Valley 2,098 09/21/1994 $347,000
5689 Bellhurst Ln, Castro Valley 2,378 05/15/2013
6597 Bellhurst Ln, Castro Valley 2,522 07/30/2015 $990,000
16817 Hallmark CT, Castro Valley 2,830 10/11/2024 $1,600,000

Nearby ZIP Codes for 16846 Hallmark Court, Castro Valley

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