Alameda County  »  4673 Heyer Ave

4673 Heyer Avenue, Castro Valley, CA 94546 Property Information

4673 Heyer Avenue, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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4673 Heyer Avenue, Castro Valley, CA 94546
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Address

Primary address 4673 Heyer Avenue, Castro Valley
Alternate address(es) 4675 Heyer Ave
4677 Heyer Ave
4679 Heyer Ave
Zip code 94546
County Alameda
Parcel ID 84C-701-5-3

Sales & Tax Overview for 4673 Heyer Avenue, Castro Valley

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Property tax $2,120

Lot & Building Information for 4673 Heyer Avenue, Castro Valley

Building sqft 3,850
Total sqft 3,850
Building class Multiple Residential Building of 5 or More Units (7700)
Acreage 0.57
Buildings on lot 2
Units 5
Stories 1
Construction type Wood/wood and steel frames
Elevator
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district Castro Vly Unif SCH

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Other Property Data for 4673 Heyer Avenue, Castro Valley

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  • • Improvements for 4673 Heyer Avenue, 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).
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About 4673 Heyer Avenue, Castro Valley

How many square feet does 4673 Heyer Avenue, Castro Valley, CA 94546 have?

This Multiple Residential Building of 5 or More Units (7700) located at 4673 Heyer Avenue, Castro Valley, CA 94546 has a total of 3,850 square feet.

What is the assessed value of 4673 Heyer Avenue, Castro Valley, CA 94546 and the property tax paid?

Assessed at $182,167, the tax amount paid for 4673 Heyer Avenue, Castro Valley, CA 94546 is $2,120.

How many residential units does this building have?

This building has 5 residential unit(s).

Ownership Information

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Real Estate Reports:
Eliza Theiss, Jul 22, 2026 Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs
Q2 2026 saw NYC and Manhattan reach historic highs, with Brooklyn and Queens marking close to new records as well. Meanwhile, Hudson Yards remained at the top, Central Midtown posted its highest price ever and Carroll Gardens marked its third consecutive quarter over $2 million
Laura Pop-Badiu, Jul 15, 2026 How to Find Property Owners — The Complete Guide 
For real estate professionals looking for the best ways to find property owners — whether through free methods based on public sources or paid tools with verified, in-depth data — this comprehensive guide breaks down every step of the due diligence process.
Eliza Theiss, Jul 08, 2026 2026 Q2 Foreclosure Report: Bronx Caseload Hits 7-Year High, Brooklyn & Manhattan Slow to 4-Year Low
Manhattan yet again slowed to become the city’s least active foreclosure market, Brooklyn’s caseload dropped so low it barely edged out Staten Island, while the Bronx heated up enough to surpass all boroughs except Queens.
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Past Sales & Property History for 4673 Heyer Avenue, Castro Valley

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No recorded sales for this property.

Title Documents for 4673 Heyer Avenue, Castro Valley

Data not available for this property.

Property Taxes for 4673 Heyer Avenue, Castro Valley

Access detailed property tax data for 4673 Heyer Avenue, 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 $2,120
Market value $182,167

Assessment History for 4673 Heyer Avenue, Castro Valley

Here's the assessment & property tax history for 4673 Heyer Avenue, 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 $182,167 1.164 $2,120 +0.69%
2024-2025 $178,596 1.1791 $2,106 -48.84%
2023-2024 $175,094 2.3508 $4,116 +101.36%
2022-2023 $171,661 1.1908 $2,044 +2.51%
2021-2022 $168,296 1.1848 $1,994 +0.73%

Permits for 4673 Heyer Avenue, Castro Valley

The complete history of permits filed for 4673 Heyer Avenue, 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
06/02/2025
06/25/2013
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Castro Valley residential market stats

Median Sale Price
$1,013,750
-2.9% YoY
Median Price/Sqft
$619
-9.8% YoY
Alameda County Median Sale Price
$955,000
-6.4% 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.

Demographics by Zip Code

Total population 44,855
Median age 41.7
Average household income $161,274
Family households 74.3%
Occupied housing units 15,565
Owner occupied units 66.3%
People per household (average) 2.84
Median year structure built 1960
Median value for units with a mortgage $1,065,100
Median value for units without a mortgage $995,000

Risk

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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

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Neighbors for 4673 Heyer Avenue, Castro Valley

Here are the neighbors for 4673 Heyer Avenue, Castro Valley.

Address Square feet Purchase date Purchase price
3810 Vincent CT, Castro Valley 1,081 08/02/2019 $650,000
20336 Forest Ave, Castro Valley 1,182 02/25/2013
20678 Forest Ave, Castro Valley 1,091 11/16/2016
19559 Center St, Castro Valley 722 07/20/2009 $150,000
20299 Marshall St, Castro Valley 989 01/07/2013
4543 Sargent Ave, Castro Valley 946 05/27/2004
19527 Center St, Castro Valley 1,259 03/23/2018 $1,000,000
4321 Gregory St, Castro Valley 1,952 01/18/2017
4344 Shamrock Way, Castro Valley 1,444 09/20/2013
20547 Marshall St, Castro Valley 1,583 06/30/2016 $700,000
4531 Heyer Ave, Castro Valley 1,929 06/23/2025
3804 Vincent CT, Castro Valley 1,297
20224 Forest Ave, Castro Valley 8,102 08/19/2024
3836 Castro Valley Blvd, Castro Valley 01/22/2024 $13,889,000
20551 Marshall St, Castro Valley 1,600 03/16/2022 $1,300,000
4027 Marshall Ln, Castro Valley 1,460 06/28/2001
3815 Vincent CT, Castro Valley 1,081 02/05/2026 $645,000
20674 Forest Ave, Castro Valley 1,091 05/05/2025 $1,011,000
20340 Forest Ave, Castro Valley 17,120 07/01/1994
20264 Forest Ave, Castro Valley 1,660 11/12/2021 $1,150,000

Nearby ZIP Codes for 4673 Heyer Avenue, Castro Valley

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