| Primary address | 770 A Street, Hayward |
| Alternate address(es) | 780 A St 784 A St |
| Zip code | 94541 |
| County | Alameda |
| Neighborhood | Upper B Street |
| Parcel ID | 428-51-46-2 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 03/26/2021 |
| Sale price | $1,400,000 |
| Arm's length | Register |
| Property tax | $17,766 |
| Building sqft | 10,008 |
| Total sqft | 10,008 |
| Building class | Office Building |
| Acreage | 0.52 |
| Buildings on lot | 2 |
| Year built | 1945 |
| Stories | 2 |
| Construction type | Wood/wood and steel frames |
| Elevator | Register |
| Zoning district | Register |
| School district | Hayward Unif SCH |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
This Office Building (SCILSO) located at 770 A Street, Hayward, CA 94541 has a total of 10,008 square feet and a current price per square foot of $139.
What is the year built & the current market value of 770 A Street, Hayward, CA 94541?770 A Street, Hayward, CA 94541 was built in 1945 and has a current tax assessor's market value of $1,515,387.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
| Listing type | For Sale |
|---|---|
| Listing date | 01/22/2026 |
| Last updated | 06/11/2026 |
Create a free account to view the complete sales history for 770 A Street, Hayward, including title documents, transfer conditions, mortgages and liens.
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.
R: Recorded date
D: Document date
Access detailed property tax data for 770 A Street, Hayward, CA 94541. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Property tax | $17,766 |
| Market value | $1,515,387 |
Here's the assessment & property tax history for 770 A Street, 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 | $1,515,387 | 1.1724 | $17,766 | +0.98% |
| 2024-2025 | $1,485,680 | 1.1842 | $17,593 | -22.76% |
| 2023-2024 | $1,456,560 | 1.5638 | $22,778 | +34.18% |
| 2022-2023 | $1,428,000 | 1.1888 | $16,976 | +464.93% |
| 2021-2022 | $249,838 | 1.2028 | $3,005 | -5.23% |
The complete history of permits filed for 770 A 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.
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.
| Total population | 67,139 |
| Median age | 38.2 |
| Average household income | $130,417 |
| Family households | 68.3% |
| Occupied housing units | 21,584 |
| Owner occupied units | 46.7% |
| People per household (average) | 3.03 |
| Median year structure built | 1969 |
| Median value for units with a mortgage | $827,800 |
| Median value for units without a mortgage | $776,300 |
Create a free account to unlock extended information for 770 A 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 | Register |
| Landslides and liquefaction map | Register |
Access the detailed traffic volume map for 770 A 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 |
Here are the neighbors for 770 A Street, Hayward.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 802 A St, Hayward | 01/31/2014 | $1,750,000 | |
| 22431 Mission Blvd, Hayward | 8,647 | 03/27/2023 | |
| 22408 Montgomery St, Hayward | 1,908 | 03/19/2004 | |
| 731 A St, Hayward | 6,820 | 03/22/2005 | |
| 22419 Mission Blvd, Hayward | 2,875 | 04/20/2021 | |
| 22365 Mission Blvd, Hayward | 6,465 | 01/14/2026 | $900,000 |
| 912 Rose St, Hayward | 04/19/2017 | ||
| 21605 Prospect CT, Hayward | 1,097 | 12/22/2021 | $720,000 |
| 808 A St, Hayward | 64,982 | 01/31/2014 | $1,750,000 |
| 838 A St, Hayward | 01/31/2014 | $1,750,000 | |
| 808 B St, Hayward | 13,200 | 08/27/2025 | |
| 22135 Main St, Hayward | 1,301 | 05/27/2015 | $400,000 |
| 936 Rose St, Hayward | 1,640 | 10/06/2009 | $235,000 |
| 703 A St, Hayward | 8,670 | 02/03/2017 | |
| 723 A St, Hayward | 2,428 | 06/01/2021 | |
| 22421 Mission Blvd, Hayward | 01/21/2014 | ||
| 22143 Main St, Hayward | 2,304 | 11/06/2015 | $780,000 |
| 21685 Prospect CT, Hayward | 1,337 | 03/04/2016 | |
| 898 A St, Hayward | 1,596 | 12/18/2013 | |
| 783 Smalley Ave, Hayward | 2,464 | 04/27/1999 | $219,000 |