646 Duncan Street, San Francisco, CA 94131 Property Information
646 Duncan Street, San Francisco, CA 94131 Property Information
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Address
| Primary address | 646 Duncan Street, San Francisco |
| Zip code | 94131 |
| County | San Francisco |
| Neighborhood | Noe Valley |
| Parcel ID | 6589-002Z |
Sales & Tax Overview for 646 Duncan Street, San Francisco
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 04/22/2021 |
| Sale price | $3,400,000 |
| Arm's length | Register |
| Property tax | $69 |
Lot & Building Information for 646 Duncan Street, San Francisco
| Building class | Vacant Lot - Restrictions (VR) |
| Acreage | 0.287 |
Zoning, Use & Area Overview
| 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.
Other Property Data for 646 Duncan Street, San Francisco
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- • Improvements for 646 Duncan Street, San Francisco , including their type, square footage, grade and when they were built.
- • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
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About 646 Duncan Street, San Francisco
The current market value is $5,838.
Ownership Information
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Past Sales & Property History for 646 Duncan Street, San Francisco
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*Here are the three most recent sales for this property.
Title Documents for 646 Duncan Street, San Francisco
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R: Recorded date
D: Document date
Property Taxes for 646 Duncan Street, San Francisco
Access detailed property tax data for 646 Duncan Street, San Francisco, CA 94131. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Property tax | $69 |
| Market value | $5,838 |
Assessment History for 646 Duncan Street, San Francisco
Here's the assessment & property tax history for 646 Duncan 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 |
|---|---|---|---|---|
| 2024-2025 | $5,726 | 1.1714 | $67 | +1.40% |
| 2023-2024 | $5,617 | 1.1777 | $66 | +1.77% |
| 2022-2023 | $5,510 | 1.1797 | $65 | +6.56% |
| 2021-2022 | $5,154 | 1.18248 | $61 | -2.15% |
| 2020-2021 | $5,202 | 1.1984 | $62 | +3.58% |
San Francisco residential market stats
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.
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Risk
Create a free account to unlock extended information for 646 Duncan 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 |
Transportation
Access the detailed traffic volume map for 646 Duncan 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 |
Schools
Nearest elementary schools
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Mission Education Center | 2 | Public | K-5 | 141 | 0.33 |
| St. Philip School | NR | Private | K-8 | 223 | 0.41 |
| St. Paul's School | NR | Private | K-8 | 207 | 0.46 |
| Alvarado Elementary School | 7 | Public | K-5 | 488 | 0.54 |
| Eureka Learning Center | NR | Private | K | 11 | 0.63 |
Nearest middle schools
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Lick (James) Middle School | 3 | Public | 6-8 | 485 | 0.29 |
| St. Philip School | NR | Private | K-8 | 223 | 0.41 |
| St. Paul's School | NR | Private | K-8 | 207 | 0.46 |
| St. James School | NR | Private | K-8 | 135 | 0.71 |
| Rooftop Elementary School | 6 | Public | K-8 | 536 | 0.73 |
Nearest high schools
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Asawa (Ruth) San Francisco School Of The Arts, A Public School. | 10 | Public | 9-12 | 679 | 0.75 |
| Academy (The)- SF @Mcateer | 6 | Public | 9-12 | 320 | 0.75 |
| Ica Cristo Rey | NR | Private | 9-12 | 364 | 0.92 |
| S.F. County Court Woodside Learning Center | 1 | Public | 6-12 | 8 | 0.97 |
| Oaks Christian Academy | NR | Private | 3-12 | 0 | 0.98 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Neighbors for 646 Duncan Street, San Francisco
Here are the neighbors for 646 Duncan Street, San Francisco.