| Primary address | 274 Castro Street, Mountain View |
| Alternate address(es) | 278 Castro St 280 Castro St |
| Zip code | 94041 |
| County | Santa Clara |
| Neighborhood | Old Mountain View |
| Parcel ID | 158-13-044 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 01/13/2015 |
| Sale price | $23,200,000 |
| Arm's length | Register |
| Property tax | $323,414 |
| Building sqft | 28,821 |
| Building class | Offices, High-Rise Office Buildings, Banks and Clinics (Category Also Includes Parking for Existing Office Buildings) (59) |
| Acreage | 0.25 |
| Lot sqft | 10,824 |
| Units | 1 |
| Year built | 1949 |
| Stories | 2 |
| Zoning district | Register |
| School district | 05097 |
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 Offices, High-Rise Office Buildings, Banks and Clinics (Category Also Includes Parking for Existing Office Buildings) (59) located at 274 Castro Street, Mountain View, CA 94041 has a total of 28,821 square feet.
What is the year built & the current market value of 274 Castro Street, Mountain View, CA 94041?274 Castro Street, Mountain View, CA 94041 was built in 1949 and has a current tax assessor's market value of $27,882,925.
How many commercial spaces does this building have?This building has 1 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 | 10/25/2025 |
| Last updated | 05/10/2026 |
AAPrime Downtown Mountain View location.
Lease Note
Class A office tech space with high ceilings, lots of windows and great natural light. Call to tour.
| Suite name | Space type | Lease rate | Available space | Brokers |
|---|---|---|---|---|
| Suite 2nd Floor | General Office | $83.40/Sqft/Year | 11,400 | Brett Taylor |
Create a free account to view the complete sales history for 274 Castro Street, Mountain View, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
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 274 Castro Street, Mountain View, CA 94041. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Property tax | $323,414 |
| Market value | $27,882,925 |
Here's the assessment & property tax history for 274 Castro Street, Mountain View, 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 | $27,882,925 | 1.1599 | $323,414 | +2.20% |
| 2024-2025 | $27,336,202 | 1.1576 | $316,444 | +1.04% |
| 2023-2024 | $26,800,199 | 1.1686 | $313,187 | +0.25% |
| 2022-2023 | $26,274,706 | 1.189 | $312,406 | +2.53% |
| 2021-2022 | $25,759,517 | 1.1829 | $304,709 | -0.15% |
The complete history of permits filed for 274 Castro Street, Mountain View, 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 | 16,050 |
| Median age | 34.1 |
| Average household income | $242,642 |
| Family households | 52.6% |
| Occupied housing units | 6,960 |
| Owner occupied units | 28.1% |
| Average number of people per household | 2.3 |
| Median year structure built | 1974 |
| Median value for units with a mortgage | $2,000,001 |
| Median value for units without a mortgage | $1,902,800 |
Create a free account to unlock extended information for 274 Castro Street, Mountain View, 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 274 Castro Street, Mountain View 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 274 Castro Street, Mountain View.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 292 Castro St, Mountain View | 1,400 | ||
| 174 Castro St, Mountain View | 4,302 | 06/13/2018 | |
| 954 Villa St, Mountain View | 9,110 | 11/13/2013 | |
| 251 S Shoreline Blvd, Mountain View | |||
| 854 W Dana St, Mountain View | 1,380 | ||
| 867 W Evelyn Ave, Mountain View | 480 | 05/22/2023 | $230,000 |
| 500 Front Ln, Mountain View | 05/24/2019 | $1,910,000 | |
| 230 Oak St, Mountain View | 05/18/2018 | ||
| 500 Minton Ln, Mountain View | 02/03/2015 | ||
| 545 Front Ln, Mountain View | 03/03/2015 | ||
| 842 W Dana St, Mountain View | 3,000 | 01/31/1994 | $300,000 |
| 545 Minton Ln, Mountain View | 06/24/2024 | $2,500,000 | |
| 540 Front Ln, Mountain View | 01/10/2003 | ||
| 835 Villa St, Mountain View | 1,512 | 07/19/2019 | |
| 360 Castro St, Mountain View | 7,252 | 12/07/2022 | |
| 575 Minton Ln, Mountain View | 10/17/2001 | ||
| 210 Castro St, Mountain View | 952 | 08/18/2000 | $150,000 |
| 831 Villa St, Mountain View | 1,218 | ||
| 990 Villa St, Mountain View | 16,033 | 11/19/2018 | $9,000,000 |
| 102 Castro St, Mountain View | 3,000 | 03/15/1999 |