| Primary address | 639 Colby Street, San Francisco |
| Zip code | 94134 |
| County | San Francisco |
| Neighborhood | Portola |
| Parcel ID | 6113-027 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 03/13/2006 |
| Sale price | $735,000 |
| Arm's length | Register |
| Property tax | $11,879 |
| Building sqft | 1,843 |
| Building class | Dwelling (D) |
| Acreage | 0.069 |
| Units | 1 |
| Year built | 1952 |
| Stories | 1 |
| Bathrooms | 2 |
| Zoning district | Residential- House, One Family (RH-1) |
| 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:
639 Colby Street, San Francisco, CA 94134 was built in 1952 and has a total of 1,843 square feet.
What is the assessed value of 639 Colby Street, San Francisco, CA 94134 and the property tax paid?Assessed at $1,004,392, the tax amount paid for 639 Colby Street, San Francisco, CA 94134 is $11,878.
When was 639 Colby Street, San Francisco, CA 94134 last sold?639 Colby Street, San Francisco, CA 94134 was last sold in 03/24/2026.
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 639 Colby 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 639 Colby Street, San Francisco, CA 94134. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Property tax | $11,879 |
| Market value | $1,004,392 |
Here's the assessment & property tax history for 639 Colby 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 | $1,004,392 | 1.1827 | $11,879 | +2.98% |
| 2024-2025 | $984,700 | 1.1714 | $11,535 | +1.45% |
| 2023-2024 | $965,394 | 1.1777 | $11,369 | +1.83% |
| 2022-2023 | $946,468 | 1.1797 | $11,165 | +1.76% |
| 2021-2022 | $927,912 | 1.18248 | $10,972 | -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 639 Colby 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 639 Colby Street, 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) |
|---|---|---|---|---|---|
| Alta Vista School | NR | Private | K-8 | 277 | 0.29 |
| St. Elizabeth School | NR | Private | K-8 | 0 | 0.31 |
| El Dorado Elementary School | 3 | Public | K-5 | 135 | 0.34 |
| Taylor (Edward R.) Elementary School | 4 | Public | K-5 | 589 | 0.40 |
| Hillcrest Elementary School | 1 | Public | K-5 | 336 | 0.61 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Senior Martin College Preparatory School | NR | Private | 6-12 | 0 | 0.17 |
| Alta Vista School | NR | Private | K-8 | 277 | 0.29 |
| St. Elizabeth School | NR | Private | K-8 | 0 | 0.31 |
| Cornerstone Academy - Cambridge Campus | NR | Private | 6-8 | 154 | 0.38 |
| King Jr. (Martin Luther) Academic Middle School | 4 | Public | 6-8 | 366 | 0.47 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Senior Martin College Preparatory School | NR | Private | 6-12 | 0 | 0.17 |
| Burton (Phillip And Sala) Academic High School | 7 | Public | 9-12 | 1,060 | 0.29 |
| Jordan (June) School For Equity | 4 | Public | 9-12 | 201 | 0.81 |
| Marshall (Thurgood) High School | 2 | Public | 9-12 | 457 | 1.07 |
| Muhammad University of Islam | NR | Private | K-12 | 0 | 1.27 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 639 Colby Street, San Francisco.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 917 Woolsey St, San Francisco | 1,512 | 01/03/2022 | |
| 645 Colby St, San Francisco | 823 | 01/07/2020 | |
| 830 Dwight St, San Francisco | 963 | 03/01/2017 | |
| 945 Woolsey St, San Francisco | 1,471 | 06/30/2014 | $720,500 |
| 651 Colby St, San Francisco | 1,272 | 05/12/2023 | |
| 665 Colby St, San Francisco | 3,177 | 03/18/2024 | $1,120,000 |
| 824 Dwight St, San Francisco | 831 | 10/19/1992 | |
| 655 Colby St, San Francisco | 1,110 | 10/02/2003 | |
| 693 Colby St, San Francisco | 823 | 11/24/2020 | |
| 692 Dartmouth St, San Francisco | 837 | 05/29/1992 | |
| 933 Woolsey St, San Francisco | 1,019 | 01/28/2020 | |
| 630 Dartmouth St, San Francisco | 1,760 | 06/25/2018 | |
| 675 Colby St, San Francisco | 823 | 08/11/2011 | |
| 681 Colby St, San Francisco | 1,680 | 11/13/2014 | $728,000 |
| 818 Dwight St, San Francisco | 831 | 12/01/2004 | |
| 939 Woolsey St, San Francisco | 1,019 | 07/19/2023 | |
| 925 Woolsey St, San Francisco | 2,232 | 11/16/2020 | |
| 909 Woolsey St, San Francisco | 1,590 | 12/22/1999 | |
| 687 Colby St, San Francisco | 1,143 | 09/08/1999 | $330,000 |
| 836 Dwight St, San Francisco | 831 | 08/30/2017 |