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21 West Portal Avenue, San Francisco, CA 94127 Property Information

21 West Portal Avenue, San Francisco, CA 94127 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Neighborhood
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21 West Portal Avenue, San Francisco, CA 94127
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Address

Primary address 21 West Portal Avenue, San Francisco
Zip code 94127
County San Francisco
Neighborhood West Portal
Parcel ID 2979A-027

Sales & Tax Overview for 21 West Portal Avenue, San Francisco

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

Property tax $4,735

Lot & Building Information for 21 West Portal Avenue, San Francisco

Building sqft 11,030
Building class Office (O)
Acreage 0.215
Rooms 23
Units 5
Year built 1920
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 21 West Portal Avenue, San Francisco

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About 21 West Portal Avenue, San Francisco

How many square feet does 21 West Portal Avenue, San Francisco, CA 94127 have?

This Office (O) located at 21 West Portal Avenue, San Francisco, CA 94127 has a total of 11,030 square feet.

What is the year built & the current market value of 21 West Portal Avenue, San Francisco, CA 94127?

21 West Portal Avenue, San Francisco, CA 94127 was built in 1920 and has a current tax assessor's market value of $400,354.

How many commercial spaces does this building have?

This building has 5 commercial spaces available for lease.

Ownership Information

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Past Sales & Property History for 21 West Portal Avenue, San Francisco

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No recorded sales for this property.

Title Documents for 21 West Portal Avenue, San Francisco

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Date Type Amount Party 1 Party 2 Maturity Document Doc image
01/14/2026 Grant Deed
01/14/2026 Grant Deed
10/07/2022 Affidavit Change Ttee
03/04/2022 Grant Deed
06/13/2018 Affidavit of Death
03/24/2017 Revocation of Order Abatement-Lien
09/19/2012 Assignment of Deed of Trust
07/19/2012 Release Lien
05/17/2012 Notice Lien
03/29/2012 Order of Abatement -Lien
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R: Recorded date
D: Document date

Property Taxes for 21 West Portal Avenue, San Francisco

Access detailed property tax data for 21 West Portal Avenue, San Francisco, CA 94127. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $4,735
Market value $400,354

Assessment History for 21 West Portal Avenue, San Francisco

Here's the assessment & property tax history for 21 West Portal 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 $400,354 1.1827 $4,735 +2.98%
2024-2025 $392,508 1.1714 $4,598 +1.45%
2023-2024 $384,817 1.1777 $4,532 +1.79%
2022-2023 $377,404 1.1797 $4,452 +1.74%
2021-2022 $370,065 1.18248 $4,376 -0.35%

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

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Demographics by Zip Code

Total population 20,288
Median age 46.7
Average household income $313,280
Family households 71.7%
Occupied housing units 7,390
Owner occupied units 82.9%
Average number of people per household 2.62
Median year structure built 1938
Median value for units with a mortgage $2,000,001
Median value for units without a mortgage $1,607,100

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 21 West Portal Avenue, San Francisco

Here are the neighbors for 21 West Portal Avenue, San Francisco.

Address Square feet Purchase date Purchase price
12 Marne Ave, San Francisco 2,065 05/04/2005
22 Marne Ave, San Francisco 1,430 01/06/2025
1376 Portola Dr, San Francisco 05/20/2025
32 Marne Ave, San Francisco 2,256 12/27/2012
59 W Portal Ave, San Francisco 3,650 02/07/2024 $3,600,000
69 W Portal Ave, San Francisco 09/05/2001
99 W Portal Ave, San Francisco 5,598 03/30/2018
1396 Portola Dr, San Francisco 1,437 07/08/2014 $1,450,000
2 Marne Ave, San Francisco 1,400 09/18/2025 $1,751,000
42 Marne Ave, San Francisco 1,784 09/18/2025
41 W Portal Ave, San Francisco 11,600 07/21/2017 $414,000
51 W Portal Ave, San Francisco 11,116
7 W Portal Ave, San Francisco 4,449 04/08/2014 $1,450,000
1 W Portal Ave, San Francisco 3,450 04/08/2014 $1,450,000
1384 Portola Dr, San Francisco 1,994 03/29/2018
807 Ulloa St, San Francisco
819 Ulloa St, San Francisco 2,258 01/23/2015
300 Claremont Blvd, San Francisco
1380 Portola Dr, San Francisco 2,582 02/08/2006
75 W Portal Ave, San Francisco 12,884 07/08/2021 $2,100,000

Nearby ZIP Codes for 21 West Portal Avenue, San Francisco

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