Alameda County » 20257 Concord Ave

20257 Concord Avenue, Hayward, CA 94541 Property Information

Q: How many residential units does this building have?

This building has 2 residential units and 0 commercial spaces.

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

Address

Primary address	20257 Concord Avenue, Hayward
Alternate address(es)	20265 Concord Ave
Zip code	94541
County	Alameda

Parcel ID	414-36-56-1

Sales & Tax Overview for 20257 Concord Avenue, Hayward

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

Sale date	12/30/1998
Sale price	$220,000

Arm's length	Register
Current property tax	$3,982

Lot & Building Information for 20257 Concord Avenue, Hayward

Building sqft	2,285
Total sqft	2,285
Building class	Two, Three or Four Single Family Homes (2100)
Acreage	0.17
Buildings on lot	2
Units	2
Year built	1930
Stories	1
Bedrooms	4
Bathrooms	2

Zoning, Use & Area Overview

Walk Score

Transit Score

Bike Score

Zoning district	Suburban Residential (RS-SU)
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 20257 Concord Avenue, 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 20257 Concord Avenue, 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 20257 Concord Avenue, Hayward

What is the year built & the total sq. ft. for 20257 Concord Avenue, Hayward, CA 94541?

20257 Concord Avenue, Hayward, CA 94541 was built in 1930 and has a total of 2,285 square feet.

What is the assessed value of 20257 Concord Avenue, Hayward, CA 94541 and the property tax paid?

Assessed at $344,875, the tax amount paid for 20257 Concord Avenue, Hayward, CA 94541 is $4,064.

When was 20257 Concord Avenue, Hayward, CA 94541 last sold and what was the last sale price?

20257 Concord Avenue, Hayward, CA 94541 was last sold in 12/30/1998 for $220,000.

How many residential units does this building have?

This building has 2 residential unit(s).

Ownership Information

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

Commercial Real Estate nearby

Real Estate Reports:

Laura Pop-Badiu, Jul 29, 2026 How to Contact Property Owners: Cold Calling Scripts, Email Templates & Outreach Tips

When it comes to efficiently contacting property owners, the challenge is twofold: First, you need to identify the right owner. Then, you need to reach that owner through the appropriate channel with the right message. Enhanced by effective follow-up tips and tactics, this guide is particularly useful for investors, agents and other real estate professionals who need an effective outreach process.

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.

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

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 20257 Concord Avenue, Hayward

Create a free account to view the complete sales history for 20257 Concord Avenue, Hayward, including title documents, transfer conditions, mortgages and liens.

Access the complete sales history for 20257 Concord Avenue, Hayward with a free account.
Sign up

More about Alameda County Property Records

Title Documents for 20257 Concord Avenue, Hayward

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.

Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 20257 Concord Avenue, Hayward

Access detailed property tax data for 20257 Concord Avenue, Hayward, CA 94541. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year:	2025-2026
Base tax	$4,065
Current property tax	$3,982

Market value	$344,875

More about Alameda County Property Taxes

Assessment History for 20257 Concord Avenue, Hayward

Here's the assessment & property tax history for 20257 Concord Avenue, Hayward, 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	$344,875	1.1786	$4,065	+1.31%
2024-2025	$338,115	1.1866	$4,012	-23.11%
2023-2024	$331,487	1.5741	$5,218	+32.65%
2022-2023	$324,987	1.2104	$3,934	+2.57%
2021-2022	$318,617	1.2035	$3,835	+1.87%

Permits for 20257 Concord Avenue, Hayward

The complete history of permits filed for 20257 Concord Avenue, 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.

Data not available for this property.

Hayward residential market stats

Median Sale Price

$840,000

-0.9% YoY

Median Price/Sqft

$546

-7.9% YoY

Alameda County Median Sale Price

$955,000

-6.4% 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 20257 Concord Avenue, 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	Register
Landslides and liquefaction map	Register

Transportation

Access the detailed traffic volume map for 20257 Concord Avenue, 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 (miles)
Harder Elementary School	3	Public	K-6	675	0.63
Knowledge Enlightens You (Key) Academy	5	Charter	K-8	614	0.63
Colonial Acres Elementary School	1	Public	K-5	466	0.75
Crossroads Christian Elementary School	NR	Private	K-6	0	0.81
St. John Catholic School	NR	Private	K-8	214	0.84

Nearest middle schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Knowledge Enlightens You (Key) Academy	5	Charter	K-8	614	0.63
St. John Catholic School	NR	Private	K-8	214	0.84
Hayward Adult	NR	Public		0	0.85
Liber Community School	NR	Private	4-12	0	0.93
Edendale Middle School	2	Public	6-8	500	1.13

Nearest high schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Hayward Adult	NR	Public		0	0.85
Brenkwitz High School	2	Public	9-12	179	0.89
Liber Community School	NR	Private	4-12	0	0.93
San Lorenzo High School	4	Public	9-12	1,186	1.08
East Bay Arts High School	4	Public	9-12	188	1.08

Neighbors for 20257 Concord Avenue, Hayward

Here are the neighbors for 20257 Concord Avenue, Hayward.

Address	Square feet	Purchase date	Purchase price
19690 Camden Ave, Hayward	1,680	06/05/2023	$1,025,000
733 Hampton Rd, Hayward	1,570	06/16/2023	$875,000
19450 Western Blvd, Hayward	1,284	05/17/2022
19750 Western Blvd, Hayward	1,640	03/20/2017	$470,000
20253 Concord Ave, Hayward	3,677	05/09/2017	$975,000
19248 Western Blvd, Hayward	1,627	03/03/2022
19100 Hampton Pl, Hayward	1,958
678 Medford Ave, Hayward	4,838	10/20/2025
19866 Western Blvd, Hayward	893	08/09/2021
20357 Concord Ave, Hayward	3,476	08/19/2013	$725,000
20068 Camden Ave, Hayward	1,066	11/04/2013	$99,500
19966 Camden Ave, Hayward	1,538	09/19/2006
19348 Western Blvd, Hayward	2,088	02/06/2023
19654 Western Blvd, Hayward	672	08/02/2022	$588,000
620 Hampton Rd, Hayward	841	12/05/2005
604 Medford Ave, Hayward	968	02/14/2024
741 Hampton Rd, Hayward	1,720	02/21/2013
19176 Western Blvd, Hayward	1,875	10/25/2017
622 Medford Ave, Hayward	2,028
17839 Haven St, Hayward	854	06/04/1996

Nearby ZIP Codes for 20257 Concord Avenue, Hayward

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

Date	Type	Amount	Party 1	Party 2	Maturity	Document	Doc image
08/25/2021	Reconveyance
12/30/1998	Deed
02/05/1997	Deed