| Primary address | 20 Alton Avenue, San Francisco |
| Zip code | 94116 |
| County | San Francisco |
| Neighborhood | Forest Hill |
| Parcel ID | 2817-018 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 03/30/2016 |
| Sale price | $2,250,000 |
| Arm's length | Register |
| Current property tax | $31,419 |
| Building sqft | 1,534 |
| Building class | Dwelling (D) |
| Acreage | 0.085 |
| Units | 1 |
| Year built | 1949 |
| Stories | 2 |
| Bedrooms | 3 |
| Bathrooms | 3 |
| Zoning district | Residential- House, One Family- Detached (RH-1(D)) |
| 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:
20 Alton Avenue, San Francisco, CA 94116 was built in 1949 and has a total of 1,534 square feet.
What is the assessed value of 20 Alton Avenue, San Francisco, CA 94116 and the property tax paid?Assessed at $2,663,538, the tax amount paid for 20 Alton Avenue, San Francisco, CA 94116 is $31,501.
When was 20 Alton Avenue, San Francisco, CA 94116 last sold and what was the last sale price?20 Alton Avenue, San Francisco, CA 94116 was last sold in 03/30/2016 for $2,250,000.
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Create a free account to view the complete sales history for 20 Alton 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 20 Alton Avenue, San Francisco, CA 94116. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Base tax | $31,502 |
| Current property tax | $31,419 |
| Market value | $2,663,538 |
Here's the assessment & property tax history for 20 Alton 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 | $2,663,538 | 1.1827 | $31,502 | +2.98% |
| 2024-2025 | $2,611,313 | 1.1714 | $30,589 | +1.45% |
| 2023-2024 | $2,560,112 | 1.1777 | $30,150 | +1.83% |
| 2022-2023 | $2,509,915 | 1.1797 | $29,609 | +1.76% |
| 2021-2022 | $2,460,702 | 1.18248 | $29,097 | -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 20 Alton 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 20 Alton 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) |
|---|---|---|---|---|---|
| Clarendon Alternative Elementary School | 8 | Public | K-5 | 523 | 0.41 |
| West Portal Elementary School | 8 | Public | K-5 | 583 | 0.54 |
| Maria Montessori School | NR | Private | K-5, 8 | 0 | 0.62 |
| St. Brendan Elementary School | NR | Private | K-8 | 311 | 0.62 |
| St Brendan School | NR | Private | K-8 | 306 | 0.62 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Hoover (Herbert) Middle School | 7 | Public | 6-8 | 938 | 0.49 |
| S.F. County Court Woodside Learning Center | 1 | Public | 6-12 | 8 | 0.61 |
| Maria Montessori School | NR | Private | K-5, 8 | 0 | 0.62 |
| St. Brendan Elementary School | NR | Private | K-8 | 311 | 0.62 |
| St Brendan School | NR | Private | K-8 | 306 | 0.62 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| S.F. County Court Woodside Learning Center | 1 | Public | 6-12 | 8 | 0.61 |
| Oaks Christian Academy | NR | Private | 3-12 | 0 | 0.74 |
| Asawa (Ruth) San Francisco School Of The Arts, A Public School. | 10 | Public | 9-12 | 679 | 0.83 |
| Academy (The)- SF @Mcateer | 6 | Public | 9-12 | 320 | 0.83 |
| Independence High School | 5 | Public | 9-12 | 205 | 0.90 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 20 Alton Avenue, San Francisco.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 2 Castenada Ave, San Francisco | 2,903 | 07/21/2025 | |
| 74 Ventura Ave, San Francisco | 3,018 | 06/18/1993 | |
| 40 Alton Ave, San Francisco | 1,586 | 10/06/2009 | |
| 412 Pacheco St, San Francisco | 1,870 | 11/12/2004 | |
| 418 Pacheco St, San Francisco | 1,797 | 07/31/2013 | $1,950,000 |
| 48 Alton Ave, San Francisco | 1,652 | 09/05/2013 | |
| 60 Alton Ave, San Francisco | 1,952 | 10/16/2001 | |
| 10 Alton Ave, San Francisco | 1,936 | 03/08/2012 | |
| 70 Alton Ave, San Francisco | 2,150 | 09/16/2005 | |
| 406 Pacheco St, San Francisco | 2,752 | 02/19/2021 | |
| 80 Ventura Ave, San Francisco | 2,060 | 01/26/2007 | |
| 68 Ventura Ave, San Francisco | 1,350 | 12/16/2024 | |
| 44 Ventura Ave, San Francisco | 2,464 | 07/08/2019 | |
| 30 Alton Ave, San Francisco | 2,698 | 01/30/2025 | |
| 400 Pacheco St, San Francisco | 2,627 | 06/10/2003 | |
| 50 Castenada Ave, San Francisco | 4,512 | 09/28/2023 | |
| 50 Ventura Ave, San Francisco | 3,660 | 11/19/1991 | |
| 424 Pacheco St, San Francisco | 3,450 | 08/17/2022 | |
| 64 Ventura Ave, San Francisco | 1,542 | 05/31/2013 | |
| 60 Ventura Ave, San Francisco | 2,460 | 10/27/2020 |