| Primary address | 300 Potrero Avenue, Sunnyvale |
| Alternate address(es) | 870 Hermosa Dr 872 Hermosa Dr 306 Potrero Ave |
| Zip code | 94085 |
| County | Santa Clara |
| Parcel ID | 165-29-001 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Property tax | $99,727 |
| Building sqft | 50,017 |
| Building class | Research & Development Branches of Manufacturing Firms (Includes Shell Buildings) (14) |
| Acreage | 3.63 |
| Lot sqft | 158,122 |
| Units | 2 |
| Year built | 1976 |
| Stories | 1 |
| Zoning district | Register |
| School district | 09002 |
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 Research & Development Branches of Manufacturing Firms (Includes Shell Buildings) (14) located at 300 Potrero Avenue, Sunnyvale, CA 94085 has a total of 50,017 square feet.
What is the year built & the current market value of 300 Potrero Avenue, Sunnyvale, CA 94085?300 Potrero Avenue, Sunnyvale, CA 94085 was built in 1976 and has a current tax assessor's market value of $8,501,874.
How many commercial spaces does this building have?This building has 2 commercial spaces available for lease. There are 1 active listings at this address.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
| Listing type | For Lease |
|---|---|
| Listing date | 10/09/2025 |
| Last updated | 05/20/2026 |
| Suite name | Space type | Lease rate | Available space | Brokers |
|---|---|---|---|---|
| 330 Potrero Avenue | Office | $47.40/Sqft/Year | 35,654 | Mark Schmidt Todd Hedrick William Schmidt |
Create a free account to view the complete sales history for 300 Potrero Avenue, Sunnyvale, 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 300 Potrero Avenue, Sunnyvale, CA 94085. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Property tax | $99,727 |
| Market value | $8,501,874 |
Here's the assessment & property tax history for 300 Potrero Avenue, Sunnyvale, 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 | $8,501,874 | 1.173 | $99,727 | +3.78% |
| 2024-2025 | $8,335,172 | 1.1529 | $96,096 | +0.92% |
| 2023-2024 | $8,171,738 | 1.1652 | $95,217 | +1.66% |
| 2022-2023 | $8,011,509 | 1.1691 | $93,663 | +1.13% |
| 2021-2022 | $7,854,422 | 1.1792 | $92,619 | +1.10% |
The complete history of permits filed for 300 Potrero Avenue, Sunnyvale, 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.
| Total population | 24,024 |
| Median age | 33 |
| Average household income | $259,833 |
| Family households | 55.3% |
| Occupied housing units | 9,631 |
| Owner occupied units | 38.0% |
| Average number of people per household | 2.47 |
| Median year structure built | 1988 |
| Median value for units with a mortgage | $1,590,900 |
| Median value for units without a mortgage | $1,164,500 |
Create a free account to unlock extended information for 300 Potrero Avenue, Sunnyvale, 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 300 Potrero Avenue, Sunnyvale 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 300 Potrero Avenue, Sunnyvale.