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639 23rd Avenue, San Francisco, CA 94121 Property Information

639 23rd Avenue, San Francisco, CA 94121 Property Information

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  • Owner
  • Documents
  • Tax
  • Neighborhood
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639 23rd Avenue, San Francisco, CA 94121
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Address

Primary address 639 23rd Avenue, San Francisco
Zip code 94121
County San Francisco
Neighborhood Central Richmond
Parcel ID 1621-003

Sales & Tax Overview for 639 23rd 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 09/25/2020
Sale price $1,900,000
Arm's length
Property tax $25,341

Lot & Building Information for 639 23rd Avenue, San Francisco

Building sqft 1,950
Building class Dwelling (D)
Acreage 0.069
Units 1
Year built 1916
Stories 2
Bathrooms 1
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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 639 23rd Avenue, San Francisco

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  • • Improvements for 639 23rd Avenue, San Francisco , including their type, square footage, grade and when they were built.
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About 639 23rd Avenue, San Francisco

What is the year built & the total sq. ft. for 639 23rd Avenue, San Francisco, CA 94121?

639 23rd Avenue, San Francisco, CA 94121 was built in 1916 and has a total of 1,950 square feet.

What is the assessed value of 639 23rd Avenue, San Francisco, CA 94121 and the property tax paid?

Assessed at $2,142,663, the tax amount paid for 639 23rd Avenue, San Francisco, CA 94121 is $25,341.

When was 639 23rd Avenue, San Francisco, CA 94121 last sold and what was the last sale price?

639 23rd Avenue, San Francisco, CA 94121 was last sold in 09/25/2020 for $1,900,000.

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.
Research 100M+ property records powered by:
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Past Sales & Property History for 639 23rd Avenue, San Francisco

Create a free account to view the complete sales history for 639 23rd Avenue, San Francisco, including title documents, transfer conditions, mortgages and liens.

Sale date Sale price Buyer name Seller name
09/25/2020 $1,900,000
05/10/2001 $671,000
10/28/1988 $382,000
       
       
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*Here are the three most recent sales for this property.


Title Documents for 639 23rd 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
10/26/2020 Reconveyance
10/26/2020 Substitution Trustee
10/19/2020 Substitution Trustee
10/19/2020 Reconveyance
10/13/2020 Res Energy Inspctn
09/25/2020 Deed of Trust 10/01/2050
09/25/2020 Power Attorney
09/25/2020 Grant Deed
02/15/2013 Subordination of Deed of Trust
02/15/2013 Deed of Trust
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R: Recorded date
D: Document date

Property Taxes for 639 23rd Avenue, San Francisco

Access detailed property tax data for 639 23rd 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 $25,341
Market value $2,142,663

Assessment History for 639 23rd Avenue, San Francisco

Here's the assessment & property tax history for 639 23rd 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 $2,142,663 1.1827 $25,341 +2.98%
2024-2025 $2,100,651 1.1714 $24,607 +1.45%
2023-2024 $2,059,463 1.1777 $24,254 +4.47%
2022-2023 $1,968,000 1.1797 $23,216 +3.33%
2021-2022 $1,900,146 1.18248 $22,469 +102.77%

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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Risk

Create a free account to unlock extended information for 639 23rd 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 639 23rd 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)
Bais Menachem Yeshiva Day School NR Private K-8 49 0.29
Shalom School Dba Bais Menacehm Yeshiva Day School NR Private K-7 30 0.30
St. Monica School NR Private K-8 209 0.32
Argonne Elementary School 6 Public K-5 361 0.33
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.38

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Erikson School NR Private 6-12 7 0.09
Bais Menachem Yeshiva Day School NR Private K-8 49 0.29
Shalom School Dba Bais Menacehm Yeshiva Day School NR Private K-7 30 0.30
St. Monica School NR Private K-8 209 0.32
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.38

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
San Francisco County Rop School NR Public 10-12 0 0.07
Erikson School NR Private 6-12 7 0.09
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.38
Washington (George) High School 9 Public 9-12 2,036 0.50
Lisa Kampner Hebrew Academy NR Private K-12 37 0.53

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

Neighbors for 639 23rd Avenue, San Francisco

Here are the neighbors for 639 23rd Avenue, San Francisco.

Address Square feet Purchase date Purchase price
643 23rd Ave, San Francisco 1,950 06/24/2021
627 23rd Ave, San Francisco 1,085 01/18/2023
615 23rd Ave, San Francisco 1,085 11/19/2003
651 23rd Ave, San Francisco 2,030 12/20/2017
655 23rd Ave, San Francisco 1,950 06/15/2023
671 23rd Ave, San Francisco 1,950 11/25/2020
621 23rd Ave, San Francisco 1,085 12/17/2008
619 23rd Ave, San Francisco 1,085 12/13/2024 $1,420,000
607 23rd Ave, San Francisco 1,580 06/08/2023 $1,700,000
659 23rd Ave, San Francisco 2,325 04/27/1999
667 23rd Ave, San Francisco 1,950 03/06/1995
675 23rd Ave, San Francisco 2,420 06/16/2023 $2,650,000
611 23rd Ave, San Francisco 1,085 06/05/2001
2221 Balboa St, San Francisco 1,442 10/27/2003
2201 Balboa St, San Francisco 3,738 12/02/2014 $1,525,000
623 23rd Ave, San Francisco 1,085 08/26/2019
647 23rd Ave, San Francisco 2,500 06/09/2021
663 23rd Ave, San Francisco 1,950 06/08/1994
679 23rd Ave, San Francisco 2,270 09/27/2013
635 23rd Ave, San Francisco 2,620 11/22/2011

Nearby ZIP Codes for 639 23rd Avenue, San Francisco

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