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447 21st Avenue, San Francisco, CA 94121 Property Information

447 21st Avenue, San Francisco, CA 94121 Property Information

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  • Owner
  • Documents
  • Tax
  • Neighborhood
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447 21st Avenue, San Francisco, CA 94121
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Address

Primary address 447 21st Avenue, San Francisco
Zip code 94121
County San Francisco
Neighborhood Central Richmond
Parcel ID 1523-009

Sales & Tax Overview for 447 21st Avenue, San Francisco

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

Sale date 07/09/2021
Sale price $588,000
Arm's length
Property tax $23,853

Lot & Building Information for 447 21st Avenue, San Francisco

Building sqft 3,060
Building class Flats & Duplex (F)
Acreage 0.069
Units 2
Year built 1922
Stories 2
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 447 21st Avenue, San Francisco

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  • • Improvements for 447 21st Avenue, San Francisco , including their type, square footage, grade and when they were built.
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About 447 21st Avenue, San Francisco

What is the year built & the total sq. ft. for 447 21st Avenue, San Francisco, CA 94121?

447 21st Avenue, San Francisco, CA 94121 was built in 1922 and has a total of 3,060 square feet.

What is the assessed value of 447 21st Avenue, San Francisco, CA 94121 and the property tax paid?

Assessed at $2,016,865, the tax amount paid for 447 21st Avenue, San Francisco, CA 94121 is $23,853.

When was 447 21st Avenue, San Francisco, CA 94121 last sold and what was the last sale price?

447 21st Avenue, San Francisco, CA 94121 was last sold in 07/09/2021 for $588,000.

How many residential units does this building have?

This building has 2 residential unit(s).

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
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.
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Past Sales & Property History for 447 21st Avenue, San Francisco

Create a free account to view the complete sales history for 447 21st Avenue, San Francisco, including title documents, transfer conditions, mortgages and liens.

Sale date Sale price Buyer name Seller name
07/09/2021 $588,000
04/06/2016 $1,570,000
       
       
       
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Title Documents for 447 21st Avenue, 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
07/12/2021 Reconveyance
07/09/2021 Deed of Trust
07/09/2021 Grant Deed
04/06/2016 Deed of Trust 05/01/2046
04/06/2016 Agreement
04/06/2016 Grant Deed
03/28/2016 Residential Energy Inspctn
02/02/2010 Deed
01/28/2010 Deed
01/28/2010 Deed
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R: Recorded date
D: Document date

Property Taxes for 447 21st Avenue, San Francisco

Access detailed property tax data for 447 21st Avenue, San Francisco, CA 94121. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $23,853
Market value $2,016,865

Assessment History for 447 21st Avenue, San Francisco

Here's the assessment & property tax history for 447 21st Avenue, 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 $2,016,865 1.1827 $23,853 +2.98%
2024-2025 $1,977,321 1.1714 $23,162 +1.45%
2023-2024 $1,938,551 1.1777 $22,830 +1.83%
2022-2023 $1,900,541 1.1797 $22,421 +10.43%
2021-2022 $1,717,017 1.18248 $20,303 -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 447 21st Avenue, 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
Landslides and liquefaction map
Crime incidents map

Transportation

Access the detailed traffic volume map for 447 21st Avenue, 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)
St. Monica School NR Private K-8 209 0.16
Alamo Elementary School 8 Public K-5 410 0.25
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.30
Argonne Elementary School 6 Public K-5 361 0.36
San Francisco Schoolhouse NR Private K-7 60 0.46

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
St. Monica School NR Private K-8 209 0.16
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.30
Erikson School NR Private 6-12 7 0.32
San Francisco Schoolhouse NR Private K-7 60 0.46
Lisa Kampner Hebrew Academy NR Private K-12 37 0.48

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.30
San Francisco County Rop School NR Public 10-12 0 0.30
Erikson School NR Private 6-12 7 0.32
Lisa Kampner Hebrew Academy NR Private K-12 37 0.48
Washington (George) High School 9 Public 9-12 2,036 0.59

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

Neighbors for 447 21st Avenue, San Francisco

Here are the neighbors for 447 21st Avenue, San Francisco.

Address Square feet Purchase date Purchase price
431 21st Ave, San Francisco 3,150 07/14/2017
5809 Geary Blvd, San Francisco 1,467 12/20/2021
439 21st Ave, San Francisco 3,890 05/13/2022
493 21st Ave, San Francisco 3,816 02/02/2023
457 21st Ave, San Francisco 4,767 05/16/2007
467 21st Ave, San Francisco 3,904 06/30/2021 $1,905,000
429 21st Ave, San Francisco 1,880 10/18/2011
419 21st Ave, San Francisco 2,850 09/03/2020
405 21st Ave, San Francisco 5,990 07/26/2024
463 21st Ave, San Francisco 4,921 01/17/1996
471 21st Ave, San Francisco 2,490 08/29/2008
455 21st Ave, San Francisco 4,390 01/14/2021
475 21st Ave, San Francisco 2,490 09/19/2003 $750,000
443 21st Ave, San Francisco 1,720 08/28/2024
425 21st Ave, San Francisco 2,601 10/14/2016 $1,250,000
479 21st Ave, San Francisco 1,492 06/24/2020
435 21st Ave, San Francisco 1,505 10/30/2012
453 21st Ave, San Francisco 3,890 01/30/2025
3008 Anza St, San Francisco 1,205 09/05/1997
5813 Geary Blvd, San Francisco 2,945 12/20/2021

Nearby ZIP Codes for 447 21st Avenue, San Francisco

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