San Francisco County  »  521 Clayton St

521 Clayton Street, San Francisco, CA 94117 Property Information

521 Clayton Street, San Francisco, CA 94117 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Neighborhood
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521 Clayton Street, San Francisco, CA 94117
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Address

Primary address 521 Clayton Street, San Francisco
Zip code 94117
County San Francisco
Neighborhood Haight Ashbury
Parcel ID 1230-003

Sales & Tax Overview for 521 Clayton Street, San Francisco

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Current property tax $3,462

Lot & Building Information for 521 Clayton Street, San Francisco

Building sqft 3,984
Building class Apartment (A)
Acreage 0.061
Depth 6
Rooms 17
Units 4
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 521 Clayton Street, San Francisco

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  • • Improvements for 521 Clayton Street, San Francisco , including their type, square footage, grade and when they were built.
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About 521 Clayton Street, San Francisco

How many square feet does 521 Clayton Street, San Francisco, CA 94117 have?

This Apartment (A) located at 521 Clayton Street, San Francisco, CA 94117 has a total of 3,984 square feet.

What is the assessed value of 521 Clayton Street, San Francisco, CA 94117 and the property tax paid?

Assessed at $299,719, the tax amount paid for 521 Clayton Street, San Francisco, CA 94117 is $3,544.

When was 521 Clayton Street, San Francisco, CA 94117 last sold?

521 Clayton Street, San Francisco, CA 94117 was last sold in 09/29/2000.

How many residential units does this building have?

This building has 4 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 521 Clayton Street, San Francisco

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No recorded sales for this property.

Title Documents for 521 Clayton Street, San Francisco

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Date Type Amount Party 1 Party 2 Maturity Document Doc image
02/06/2024 Assgn Deed of Trust
05/21/2009 Deed of Trust
12/16/2008 Reconveyance
09/29/2000 Deed
09/29/2000 Deed
12/02/1999 Deed
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R: Recorded date
D: Document date

Property Taxes for 521 Clayton Street, San Francisco

Access detailed property tax data for 521 Clayton Street, San Francisco, CA 94117. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Base tax $3,545
Current property tax $3,462
Market value $299,719

Assessment History for 521 Clayton Street, San Francisco

Here's the assessment & property tax history for 521 Clayton 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 $299,719 1.1827 $3,545 +3.25%
2024-2025 $293,087 1.1714 $3,433 +1.45%
2023-2024 $287,341 1.1777 $3,384 +1.83%
2022-2023 $281,708 1.1797 $3,323 +1.75%
2021-2022 $276,186 1.18248 $3,266 -0.30%

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 36,198
Median age 35.2
Average household income $246,854
Family households 32.9%
Occupied housing units 17,567
Owner occupied units 28.8%
Average number of people per household 1.99
Median year structure built 1938
Median value for units with a mortgage $1,601,000
Median value for units without a mortgage $1,601,300

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 521 Clayton Street, San Francisco

Here are the neighbors for 521 Clayton Street, San Francisco.

Address Square feet Purchase date Purchase price
533 Clayton St, San Francisco 6,424 10/03/2018 $4,825,000
1638 Haight St, San Francisco 6,060 01/07/2002
1833 Page St, San Francisco
1849 Page St, San Francisco 13,000 03/15/2018
539 Clayton St, San Francisco 6,345 10/11/2011
1859 Page St, San Francisco 4,000 09/21/2021
1660 Haight St, San Francisco 4,871 07/31/2013
1702 Haight St, San Francisco 12/22/2009 $350,000
1867 Page St, San Francisco 2,440 05/23/2013 $1,775,000
1626 Haight St, San Francisco 9,900 01/29/2009
1650 Haight St, San Francisco 5,865 10/15/2025
575 Cole St, San Francisco 12/22/2009 $350,000
523 Clayton St, San Francisco 4,100 10/30/2009
1764 Haight St, San Francisco 6,905 02/08/2010
1805 Page St, San Francisco 5,550 07/29/2011 $1,950,000
1600 Haight St, San Francisco 23,360
1664 Haight St, San Francisco 5,005 10/17/2018
1700 Haight St, San Francisco 22,200 12/22/2009 $350,000
525 Cole St, San Francisco 5,130 04/18/2023 $1,500,000
1644 Haight St, San Francisco 3,781 09/14/2018

Nearby ZIP Codes for 521 Clayton Street, San Francisco

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