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173 Duncan Street, San Francisco, CA 94110 Property Information

173 Duncan Street, San Francisco, CA 94110 Property Information

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  • Owner
  • Documents
  • Tax
  • Neighborhood
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173 Duncan Street, San Francisco, CA 94110
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Address

Primary address 173 Duncan Street, San Francisco
Zip code 94110
County San Francisco
Neighborhood Noe Valley
Parcel ID 6599-022

Sales & Tax Overview for 173 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 10/28/1988
Sale price $515,000
Arm's length
Property tax $12,831

Lot & Building Information for 173 Duncan Street, San Francisco

Building sqft 4,275
Building class Apartment (A)
Acreage 0.065
Depth 14
Rooms 13
Units 4
Stories 3
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district San Francisco Unified School District

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Other Property Data for 173 Duncan Street, San Francisco

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About 173 Duncan Street, San Francisco

How many square feet does 173 Duncan Street, San Francisco, CA 94110 have?

This Apartment (A) located at 173 Duncan Street, San Francisco, CA 94110 has a total of 4,275 square feet.

What is the assessed value of 173 Duncan Street, San Francisco, CA 94110 and the property tax paid?

Assessed at $1,084,873, the tax amount paid for 173 Duncan Street, San Francisco, CA 94110 is $12,830.

When was 173 Duncan Street, San Francisco, CA 94110 last sold?

173 Duncan Street, San Francisco, CA 94110 was last sold in 05/07/2020.

How many residential units does this building have?

This building has 4 residential unit(s).

Ownership Information

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Real Estate Reports:
Eliza Theiss, Jul 22, 2026 Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs
Q2 2026 saw NYC and Manhattan reach historic highs, with Brooklyn and Queens marking close to new records as well. Meanwhile, Hudson Yards remained at the top, Central Midtown posted its highest price ever and Carroll Gardens marked its third consecutive quarter over $2 million
Laura Pop-Badiu, Jul 15, 2026 How to Find Property Owners — The Complete Guide 
For real estate professionals looking for the best ways to find property owners — whether through free methods based on public sources or paid tools with verified, in-depth data — this comprehensive guide breaks down every step of the due diligence process.
Eliza Theiss, Jul 08, 2026 2026 Q2 Foreclosure Report: Bronx Caseload Hits 7-Year High, Brooklyn & Manhattan Slow to 4-Year Low
Manhattan yet again slowed to become the city’s least active foreclosure market, Brooklyn’s caseload dropped so low it barely edged out Staten Island, while the Bronx heated up enough to surpass all boroughs except Queens.
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Past Sales & Property History for 173 Duncan Street, San Francisco

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Sale date Sale price Buyer name Seller name
10/28/1988 $515,000

Title Documents for 173 Duncan Street, San Francisco

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Date Type Amount Party 1 Party 2 Maturity Document Doc image
07/02/2020 Reconveyance
07/02/2020 Substitution Trustee
05/07/2020 Grant Deed
04/29/2020 Deed of Trust 05/01/2050
02/07/2012 Deed of Trust
02/07/2012 Power Attorney
10/14/2010 Reconveyance
09/10/2010 Deed of Trust
11/16/2004 Reconveyance
10/26/2004 Deed of Trust
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R: Recorded date
D: Document date

Property Taxes for 173 Duncan Street, San Francisco

Access detailed property tax data for 173 Duncan Street, San Francisco, CA 94110. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $12,831
Market value $1,084,873

Assessment History for 173 Duncan Street, San Francisco

Here's the assessment & property tax history for 173 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 $1,084,873 1.1827 $12,831 +2.98%
2024-2025 $1,063,640 1.1714 $12,459 +1.45%
2023-2024 $1,042,817 1.1777 $12,281 +1.83%
2022-2023 $1,022,388 1.1797 $12,061 +1.76%
2021-2022 $1,002,426 1.18248 $11,853 -0.30%

San Francisco residential market stats

Median Sale Price
$1,500,000
15.4% YoY
Median Price/Sqft
$1,155
11.2% YoY
San Francisco County Median Sale Price
$1,500,000
15.4% 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.

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Demographics by Zip Code

Total population 66,865
Median age 39.3
Average household income $231,366
Family households 48.4%
Occupied housing units 27,208
Owner occupied units 41.8%
People per household (average) 2.38
Median year structure built 1938
Median value for units with a mortgage $1,510,500
Median value for units without a mortgage $1,210,300

Risk

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FEMA flood zone(s) X (See more on map)
Fire hazard zone See more on map
Faults and tsunami inundation zone map
Landslides and liquefaction map
Crime incidents map

Transportation

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Neighbors for 173 Duncan Street, San Francisco

Here are the neighbors for 173 Duncan Street, San Francisco.

Address Square feet Purchase date Purchase price
135 Duncan St, San Francisco 2,650 05/28/2025 $2,200,000
179 Duncan St, San Francisco 1,650 07/29/2014
1477 Dolores St, San Francisco 6,316 03/05/2026 $1,450,000
88 28th St, San Francisco 2,759 01/13/2011
84 28th St, San Francisco 1,890 01/25/2012
155 Duncan St, San Francisco 2,332 02/10/2026
1459 Dolores St, San Francisco 3,500 10/22/2018
1475 Dolores St, San Francisco 900
92 28th St, San Francisco 2,734 11/03/2023 $2,995,000
143 Duncan St, San Francisco 3,030 08/03/2021 $3,750,000
165 Duncan St, San Francisco 1,400 12/05/2007
147 Duncan St, San Francisco 2,750
131 Duncan St, San Francisco 2,200 04/17/2014
123 Duncan St, San Francisco 4,616 10/09/2015
151 Duncan St, San Francisco 3,665 09/25/2013 $370,000
139 Duncan St, San Francisco 2,392 05/09/2011
189 Duncan St, San Francisco 4,260 02/20/2025
1485 Dolores St, San Francisco 3,620 01/13/2021
159 Duncan St, San Francisco 1,875 12/12/2016
181 Duncan St, San Francisco 2,208 01/22/2016

Nearby ZIP Codes for 173 Duncan Street, San Francisco

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