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520 Duncan Street, San Francisco, CA 94131 Property Information

520 Duncan Street, San Francisco, CA 94131 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Neighborhood
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520 Duncan Street, San Francisco, CA 94131
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Address

Primary address 520 Duncan Street, San Francisco
Zip code 94131
County San Francisco
Neighborhood Noe Valley
Parcel ID 6590-099

Sales & Tax Overview for 520 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 01/24/2025
Sale price $2,926,000
Arm's length
Current property tax $27,943

Lot & Building Information for 520 Duncan Street, San Francisco

Building sqft 2,530
Building class Condominium (Z)
Acreage 0.084
Units 1
Year built 2001
Stories 3
Bedrooms 3
Bathrooms 2
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


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.

Other Property Data for 520 Duncan Street, San Francisco

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About 520 Duncan Street, San Francisco

What is the year built & the total sq. ft. for 520 Duncan Street, San Francisco, CA 94131?

520 Duncan Street, San Francisco, CA 94131 was built in 2001 and has a total of 2,530 square feet.

What is the assessed value of 520 Duncan Street, San Francisco, CA 94131 and the property tax paid?

Assessed at $2,369,640, the tax amount paid for 520 Duncan Street, San Francisco, CA 94131 is $28,025.

When was 520 Duncan Street, San Francisco, CA 94131 last sold and what was the last sale price?

520 Duncan Street, San Francisco, CA 94131 was last sold in 01/24/2025 for $2,926,000.

Ownership Information

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Real Estate Reports:
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
Laura Pop-Badiu, Apr 09, 2026 How to Do a Title Search on Property Yourself: A Step-by-Step Online GuideĀ 
A property title search is the process of reviewing public records to confirm who legally owns a property and whether there are any liens, mortgages or legal claims attached to it. Explore our step-by-step guide explaining how you can perform a title search yourself. 
Research 100M+ property records powered by:
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Past Sales & Property History for 520 Duncan Street, San Francisco

Create a free account to view the complete sales history for 520 Duncan Street, San Francisco, including title documents, transfer conditions, mortgages and liens.

Sale date Sale price Buyer name Seller name
01/24/2025 $2,926,000
10/19/2004 $1,700,000
       
       
       
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Title Documents for 520 Duncan Street, San Francisco

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.

Date Type Amount Party 1 Party 2 Maturity Document Doc image
10/02/2025 Reconveyance
10/02/2025 Substitution Trustee
09/22/2025 Deed of Trust 10/01/2055
02/10/2025 Reconveyance
02/10/2025 Substitution Trustee
01/24/2025 Deed of Trust 02/01/2055
01/24/2025 Grant Deed
01/05/2021 Reconveyance
01/05/2021 Substitution Trustee
12/23/2020 Deed of Trust 01/01/2051
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R: Recorded date
D: Document date

Property Taxes for 520 Duncan Street, San Francisco

Access detailed property tax data for 520 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
Base tax $28,026
Current property tax $27,943
Market value $2,369,640

Assessment History for 520 Duncan Street, San Francisco

Here's the assessment & property tax history for 520 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
2025-2026 $2,369,640 1.1827 $28,026 +2.98%
2024-2025 $2,323,178 1.1714 $27,214 +1.45%
2023-2024 $2,277,626 1.1777 $26,824 +1.83%
2022-2023 $2,232,968 1.1797 $26,342 +1.76%
2021-2022 $2,189,186 1.18248 $25,887 -0.31%

San Francisco residential market stats

Median Sale Price
$1,385,000
2.6% YoY
Median Price/Sqft
$1,098
7.5% YoY
San Francisco County Median Sale Price
$1,385,000
2.6% YoY

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.

Risk

Create a free account to unlock extended information for 520 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).

Fire hazard zone See more on map
Faults and tsunami inundation zone map
Landslides and liquefaction map
Crime incidents map

Transportation

Access the detailed traffic volume map for 520 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.

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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Mission Education Center 2 Public K-5 141 0.26
St. Paul's School NR Private K-8 207 0.30
St. Philip School NR Private K-8 223 0.45
Fairmount Elementary School 3 Public K-5 337 0.54
St. James School NR Private K-8 135 0.57

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Lick (James) Middle School 3 Public 6-8 485 0.25
St. Paul's School NR Private K-8 207 0.30
St. Philip School NR Private K-8 223 0.45
St. James School NR Private K-8 135 0.57
Adda Clevenger School NR Private K-8 136 0.67

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Ica Cristo Rey NR Private 9-12 364 0.76
Academy (The)- SF @Mcateer 6 Public 9-12 320 0.91
Asawa (Ruth) San Francisco School Of The Arts, A Public School. 10 Public 9-12 679 0.91
Sand Paths Academy NR Private 8-12 30 0.98
Mission High School 4 Public 9-12 1,041 1.12

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 520 Duncan Street, San Francisco

Here are the neighbors for 520 Duncan Street, San Francisco.

Address Square feet Purchase date Purchase price
521 27th St, San Francisco 1,403 05/21/2024
1440 Noe St, San Francisco 4,546 05/01/2013
1430 Sanchez St, San Francisco 1,830 10/14/2011 $1,430,000
1404 Noe St, San Francisco 1,185 09/18/2017 $1,407,000
559 27th St, San Francisco 3,705 10/25/2021 $1,201,000
522 Duncan St, San Francisco 3,339 03/03/2014 $2,600,000
524 Duncan St, San Francisco 2,685 05/06/2005
518 Duncan St, San Francisco 2,893 02/24/2025
1408 Sanchez St, San Francisco 1,075 03/05/1992
1436 Sanchez St, San Francisco 3,001 06/03/2020 $4,250,000
541 27th St, San Francisco 1,500 03/17/2021 $1,400,000
570 Duncan St, San Francisco 5,670 03/24/2000
401 27th St, San Francisco 2,512 05/12/2014
1404 Sanchez St, San Francisco 1,210 12/31/2019
526 Duncan St, San Francisco 6,075 05/30/2017 $12,000,000
537 27th St, San Francisco 3,000 01/17/2024
1402 Sanchez St, San Francisco 2,111 08/28/2013 $2,200,000
1406 Sanchez St, San Francisco 1,535 12/09/2022 $2,225,000
1424 Sanchez St, San Francisco 3,227 12/10/2014
1406 Noe St, San Francisco 981 03/23/2022 $1,500,000

Nearby ZIP Codes for 520 Duncan Street, San Francisco

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