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3660 20th Street, San Francisco, CA 94110 Property Information

3660 20th Street, San Francisco, CA 94110 Property Information

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  • Owner
  • Documents
  • Tax
  • Neighborhood
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3660 20th Street, San Francisco, CA 94110
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Address

Primary address 3660 20th Street, San Francisco
Zip code 94110
County San Francisco
Neighborhood Mission Dolores
Parcel ID 3597-022

Sales & Tax Overview for 3660 20th 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 12/03/2021
Sale price $1,275,000
Arm's length
Property tax $16,003

Lot & Building Information for 3660 20th Street, San Francisco

Building sqft 3,862
Building class Apartments 5 to 14 Units (A5)
Acreage 0.066
Rooms 15
Units 5
Year built 1907
Stories 2
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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 3660 20th Street, San Francisco

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About 3660 20th Street, San Francisco

What is the year built & the total sq. ft. for 3660 20th Street, San Francisco, CA 94110?

3660 20th Street, San Francisco, CA 94110 was built in 1907 and has a total of 3,862 square feet.

What is the assessed value of 3660 20th Street, San Francisco, CA 94110 and the property tax paid?

Assessed at $1,353,126, the tax amount paid for 3660 20th Street, San Francisco, CA 94110 is $16,003.

When was 3660 20th Street, San Francisco, CA 94110 last sold and what was the last sale price?

3660 20th Street, San Francisco, CA 94110 was last sold in 12/03/2021 for $1,275,000.

How many residential units does this building have?

This building has 5 residential unit(s).

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
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.
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Past Sales & Property History for 3660 20th Street, San Francisco

Create a free account to view the complete sales history for 3660 20th Street, San Francisco, including title documents, transfer conditions, mortgages and liens.

Sale date Sale price Buyer name Seller name
12/03/2021 $1,275,000

Title Documents for 3660 20th Street, San Francisco

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Date Type Amount Party 1 Party 2 Maturity Document Doc image
12/17/2021 Reconveyance
12/17/2021 Substitution Trustee
12/03/2021 Grant Deed
12/03/2021 Order Confirming Sale
11/29/2021 Res Energy Inspctn
07/15/2019 Declaration of Use Limitation
05/17/2019 Order
04/27/2017 Affidavit-Change of Trustee/Successor
07/19/2012 Deed
05/10/2006 Reconveyance
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R: Recorded date
D: Document date

Property Taxes for 3660 20th Street, San Francisco

Access detailed property tax data for 3660 20th 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 $16,003
Market value $1,353,126

Assessment History for 3660 20th Street, San Francisco

Here's the assessment & property tax history for 3660 20th 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 $1,353,126 1.1827 $16,003 +2.98%
2024-2025 $1,326,620 1.1714 $15,540 +1.45%
2023-2024 $1,300,632 1.1777 $15,318 +327.80%
2022-2023 $303,516 1.1797 $3,581 +1.75%
2021-2022 $297,629 1.18248 $3,519 -0.39%

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.

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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%
Average number of people per household 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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View daily traffic map

Neighbors for 3660 20th Street, San Francisco

Here are the neighbors for 3660 20th Street, San Francisco.

Address Square feet Purchase date Purchase price
3662 20th St, San Francisco 3,500 04/04/1991
3672 20th St, San Francisco 2,848 11/06/2003
779 Guerrero St, San Francisco 5,970 02/23/2021
3654 20th St, San Francisco 8,550 04/25/2025
3630 20th St, San Francisco 2,635 01/25/2018
3686 20th St, San Francisco 10,910 02/12/2025 $2,500,000
884 Valencia St, San Francisco 40,294 06/10/2011
3666 20th St, San Francisco 4,290 04/19/2017
3642 20th St, San Francisco 1,880 11/22/2011 $811,500
3646 20th St, San Francisco 2,860 09/17/2013 $1,150,000
876 Valencia St, San Francisco 8,519 10/21/1999 $690,000
771 Guerrero St, San Francisco 5,672 05/22/2009
3616 20th St, San Francisco 3,050 01/05/2026
3676 20th St, San Francisco 2,450 07/24/2012
3624 20th St, San Francisco 3,625 02/05/2026
3680 20th St, San Francisco 2,844 10/29/2004
785 Guerrero St, San Francisco 4,125 08/18/2020
775 Guerrero St, San Francisco 5,672 05/20/2013
866 Valencia St, San Francisco 17,880 08/17/2023
862 Valencia St, San Francisco

Nearby ZIP Codes for 3660 20th Street, San Francisco

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