| Primary address | 527 Union Street, San Francisco |
| Zip code | 94133 |
| County | San Francisco |
| Neighborhood | Telegraph Hill |
| Parcel ID | 0116-045 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 09/22/2014 |
| Sale price | $1,638,000 |
| Arm's length | Register |
| Property tax | $23,283 |
| Building sqft | 2,346 |
| Building class | Flats & Duplex (F) |
| Acreage | 0.035 |
| Rooms | 13 |
| Units | 4 |
| Year built | 1906 |
| Stories | 3 |
| Zoning district | Register |
| School district | San Francisco Unified School District |
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:
527 Union Street, San Francisco, CA 94133 was built in 1906 and has a total of 2,346 square feet.
What is the assessed value of 527 Union Street, San Francisco, CA 94133 and the property tax paid?Assessed at $1,968,621, the tax amount paid for 527 Union Street, San Francisco, CA 94133 is $23,282.
When was 527 Union Street, San Francisco, CA 94133 last sold?527 Union Street, San Francisco, CA 94133 was last sold in 08/17/2015.
How many residential units does this building have?This building has 4 residential unit(s).
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Create a free account to view the complete sales history for 527 Union Street, San Francisco, 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 527 Union Street, San Francisco, CA 94133. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Property tax | $23,283 |
| Market value | $1,968,621 |
Here's the assessment & property tax history for 527 Union Street, San Francisco, 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 | $1,968,621 | 1.1827 | $23,283 | +2.98% |
| 2024-2025 | $1,930,021 | 1.1714 | $22,608 | +1.45% |
| 2023-2024 | $1,892,178 | 1.1777 | $22,284 | +1.83% |
| 2022-2023 | $1,855,077 | 1.1797 | $21,884 | +1.76% |
| 2021-2022 | $1,818,704 | 1.18248 | $21,506 | -0.31% |
Access a detailed real estate market overview of San Francisco so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in San Francisco and compare it to other neighborhoods in San Francisco County.
Check out recently sold homes in San-Francisco and see how their prices compare.
| Total population | 23,804 |
| Median age | 45.5 |
| Average household income | $153,281 |
| Family households | 39.1% |
| Occupied housing units | 12,653 |
| Owner occupied units | 16.5% |
| Average number of people per household | 1.87 |
| Median year structure built | 1938 |
| Median value for units with a mortgage | $1,603,200 |
| Median value for units without a mortgage | $1,517,100 |
Create a free account to unlock extended information for 527 Union Street, San Francisco, 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 |
| Crime incidents map | Register |
Access the detailed traffic volume map for 527 Union Street, San Francisco to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
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Here are the neighbors for 527 Union Street, San Francisco.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 49 Bannam Pl, San Francisco | 3,235 | 03/31/2016 | |
| 619 Union St, San Francisco | 23,305 | 08/07/2023 | |
| 539 Union St, San Francisco | 5,748 | 11/09/2010 | |
| 31 Jasper Pl, San Francisco | 3,060 | 06/06/2022 | |
| 43 Jasper Pl, San Francisco | 3,360 | 12/15/2014 | |
| 19 Bannam Pl, San Francisco | 4,200 | 08/09/1996 | |
| 15 Bannam Pl, San Francisco | 2,160 | 12/18/2012 | |
| 1552 Stockton St, San Francisco | 2,900 | 09/24/2024 | |
| 19 Jasper Pl, San Francisco | 3,223 | 12/19/2016 | |
| 25 Jasper Pl, San Francisco | 3,000 | 05/30/2013 | $955,000 |
| 31 Bannam Pl, San Francisco | 2,808 | 01/22/2019 | $250,000 |
| 1556 Stockton St, San Francisco | 3,510 | 05/20/2013 | |
| 533 Union St, San Francisco | 5,665 | 10/28/2021 | |
| 24 Jasper Pl, San Francisco | 6,513 | 05/21/2020 | $3,639,500 |
| 37 Jasper Pl, San Francisco | 3,159 | 12/18/2025 | |
| 517 Union St, San Francisco | 5,080 | 08/10/2018 | |
| 37 Bannam Pl, San Francisco | 2,796 | 04/23/2015 | |
| 36 Jasper Pl, San Francisco | 3,879 | 12/29/2017 | |
| 43 Bannam Pl, San Francisco | 3,964 | 09/22/2000 | |
| 42 Jasper Pl, San Francisco | 3,411 | 08/27/2021 |