Alameda County  »  20234 Mack St

20234 Mack Street, Hayward, CA 94545 Property Information

20234 Mack Street, Hayward, CA 94545 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

20234 Mack Street, Hayward, CA 94545
static Mapbox map

Address

Primary address 20234 Mack Street, Hayward
Alternate address(es) 20820 Bush Ln
20860 Bush Ln
21301 Mack St
Zip code 94545
County Alameda
Parcel ID 432-114-34-1

Sales & Tax Overview for 20234 Mack Street, Hayward

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

Property tax $0

Lot & Building Information for 20234 Mack Street, Hayward

Building sqft 89,600
Total sqft 89,600
Building class Exempt Public Agency (0300)
Acreage 20.31
Buildings on lot 6
Year built 1979
Stories 1
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
31 /100. Car-Dependent
Transit Score
30 /100. Some Transit
Bike Score
42 /100. Somewhat Bikeable

Zoning district Industrial General (IG)
School district San Lorenzo School

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

Other Property Data for 20234 Mack Street, Hayward

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

  • • Improvements for 20234 Mack Street, Hayward , 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 20234 Mack Street, Hayward

What is the year built & the total sq. ft. for 20234 Mack Street, Hayward, CA 94545?

20234 Mack Street, Hayward, CA 94545 was built in 1979 and has a total of 89,600 square feet.

Ownership Information

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

Real Estate Reports:
Brooklyn Emerges as NYC’s Coworking Growth Engine, Manhattan Rents Cross $100 in the Plaza District 
Lucian Alixandrescu, Jul 28, 2026 Brooklyn Emerges as NYC’s Coworking Growth Engine, Manhattan Rents Cross $100 in the Plaza District 
New York City’s office market continued to lead the U.S. in Q2, but internal shifts were most visible in the flex office market. Brooklyn’s coworking inventory grew 6.2% Q-o-Q even as Manhattan’s supply retreated. At the same time, Brooklyn’s asking rents for traditional office leases climbed more than twice as fast as the national average.
Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs
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
How to Find Property Owners — The Complete Guide 
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.
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 20234 Mack Street, Hayward

Create a free account to view the complete sales history for 20234 Mack Street, Hayward, including title documents, transfer conditions, mortgages and liens.

No recorded sales for this property.

More about Alameda County Property Records

Title Documents for 20234 Mack Street, Hayward

Data not available for this property.

Property Taxes for 20234 Mack Street, Hayward

Access detailed property tax data for 20234 Mack Street, Hayward, CA 94545. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $0
Market value $0

More about Alameda County Property Taxes

Assessment History for 20234 Mack Street, Hayward

Data not available for this property.

Permits for 20234 Mack Street, Hayward

The complete history of permits filed for 20234 Mack Street, Hayward, 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
10/16/2023
05/12/2020
01/29/2020
10/29/2019
04/13/2015
04/16/2014
02/18/2014
Show More
Unlock the permit history for 20234 Mack Street, Hayward with a free account.
Sign up

Hayward residential market stats

Median Sale Price
$822,500
-5.5% YoY
Median Price/Sqft
$591
-2.6% YoY
Alameda County Median Sale Price
$965,000
-7.1% YoY

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

Check out recently sold homes in Hayward and see how their prices compare.

Risk

Create a free account to unlock extended information for 20234 Mack Street, Hayward, 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 20234 Mack Street, Hayward 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)
Shining Light Christian Academy NR Private K-12 0 0.90
Shining Light Christian Academy NR Private 1-12 6 0.90
Del Rey Elementary School 5 Public K-5 394 0.94
St. Joachim's Elementary School NR Private K-8 305 1.03
San Lorenzo Adult NR Public 0 1.05
Show More

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Shining Light Christian Academy NR Private K-12 0 0.90
Shining Light Christian Academy NR Private 1-12 6 0.90
St. Joachim's Elementary School NR Private K-8 305 1.03
San Lorenzo Adult NR Public 0 1.05
Bohannon Middle School 5 Public 6-8 689 1.08
Show More

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Shining Light Christian Academy NR Private K-12 0 0.90
Shining Light Christian Academy NR Private 1-12 6 0.90
San Lorenzo Adult NR Public 0 1.05
Royal Sunset (Continuation) School 2 Public 7-12 90 1.36
San Lorenzo Unified Preschool NR Public 0 1.36
Show More

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

Neighbors for 20234 Mack Street, Hayward

Here are the neighbors for 20234 Mack Street, Hayward.

Address Square feet Purchase date Purchase price
1942 Sabre St, Hayward 84,056 01/03/2022 $13,893,500
21301 Cloud Way, Hayward 89,110 01/08/2020
1525 W Winton Ave, Hayward
958 Castlewood Way, Hayward 1,270 02/09/2018 $516,000
1758 Sabre St, Hayward 99,244 01/08/2020
18015 Castlewood CT, Hayward 1,270 12/14/2018
866 Irvin CT, Hayward 1,162 03/31/2025 $870,000
1693 Sabre St, Hayward 33,690 09/28/2018 $5,288,500
18013 Castlewood CT, Hayward 1,314 01/25/2017 $480,000
952 Castlewood Way, Hayward 1,314 12/01/2022 $610,000
1730 Sabre St, Hayward 35,250 09/09/2022
1830 Stearman Ave, Hayward 102,766
954 Castlewood Way, Hayward 1,270 05/29/2014
1742 Sabre St, Hayward 19,172 01/08/2020
21021 Corsair Blvd, Hayward 38,000 12/30/2015 $3,200,000
20347 Skywest Dr, Hayward 02/07/2007
1775 Sabre St, Hayward 35,305 12/04/2009 $3,100,000
1833 Stearman Ave, Hayward 44,280 06/30/1992 $810,000
20389 Corsair Blvd, Hayward 57,913 05/01/2019
1763 Sabre St, Hayward 26,538 05/12/2020
Show More

Nearby ZIP Codes for 20234 Mack Street, Hayward

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