| Primary address | 509 18th Avenue, San Francisco |
| Zip code | 94121 |
| County | San Francisco |
| Neighborhood | Central Richmond |
| Parcel ID | 1561-001B |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 06/23/2005 |
| Sale price | $249,000 |
| Arm's length | Register |
| Current property tax | $12,209 |
| Building sqft | 2,090 |
| Building class | Flats & Duplex (F) |
| Acreage | 0.047 |
| Units | 2 |
| Year built | 1917 |
| Stories | 2 |
| Bedrooms | 4 |
| Bathrooms | 2 |
| Zoning district | Residential- House, Two Family (RH-2) |
| 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:
509 18th Avenue, San Francisco, CA 94121 was built in 1917 and has a total of 2,090 square feet.
What is the assessed value of 509 18th Avenue, San Francisco, CA 94121 and the property tax paid?Assessed at $1,039,313, the tax amount paid for 509 18th Avenue, San Francisco, CA 94121 is $12,291.
When was 509 18th Avenue, San Francisco, CA 94121 last sold?509 18th Avenue, San Francisco, CA 94121 was last sold in 06/12/2023.
How many residential units does this building have?This building has 2 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 509 18th Avenue, 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 509 18th Avenue, San Francisco, CA 94121. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Base tax | $12,292 |
| Current property tax | $12,209 |
| Market value | $1,039,313 |
Here's the assessment & property tax history for 509 18th Avenue, 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 | $1,039,313 | 1.1827 | $12,292 | +2.98% |
| 2024-2025 | $1,018,935 | 1.1714 | $11,936 | +1.46% |
| 2023-2024 | $998,929 | 1.1777 | $11,764 | +1.83% |
| 2022-2023 | $979,344 | 1.1797 | $11,553 | +1.76% |
| 2021-2022 | $960,143 | 1.18248 | $11,353 | -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.
Create a free account to unlock extended information for 509 18th Avenue, 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 509 18th Avenue, San Francisco 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 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Argonne Elementary School | 6 | Public | K-5 | 361 | 0.21 |
| Lisa Kampner Hebrew Academy | NR | Private | K-12 | 37 | 0.28 |
| St. Monica School | NR | Private | K-8 | 209 | 0.35 |
| San Francisco Schoolhouse | NR | Private | K-7 | 60 | 0.36 |
| Alamo Elementary School | 8 | Public | K-5 | 410 | 0.41 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Lisa Kampner Hebrew Academy | NR | Private | K-12 | 37 | 0.28 |
| St. Monica School | NR | Private | K-8 | 209 | 0.35 |
| San Francisco Schoolhouse | NR | Private | K-7 | 60 | 0.36 |
| Erikson School | NR | Private | 6-12 | 7 | 0.42 |
| Challenge To Learning | NR | Private | 7-12 | 0 | 0.49 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Lisa Kampner Hebrew Academy | NR | Private | K-12 | 37 | 0.28 |
| San Francisco County Rop School | NR | Public | 10-12 | 0 | 0.40 |
| Erikson School | NR | Private | 6-12 | 7 | 0.42 |
| Challenge To Learning | NR | Private | 7-12 | 0 | 0.49 |
| St. John Of San Francisco Orthodox Acade | NR | Private | K-12 | 50 | 0.50 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 509 18th Avenue, San Francisco.