San Francisco County  »  94121  »  21st Ave  »  320 21st Ave

320 21st Avenue, San Francisco, CA 94121 - Property report

Also known as: 320 21st Ave

Property image for 320 21st Avenue, San Francisco, CA 94121
static Mapbox map

Property type

Flats & Duplex (F)

Year built

1912

Lot sq. ft.

3,006

Sale price

$1,400,000

General Information

Address
Primary address
320 21st Ave
San Francisco, CA 94121
Alternate address(es)
322 21st Ave
Zip code
94121
Neighborhood
Central Richmond
County
San Francisco
Municipality
City of San Francisco
Parcel ID
1452-038

Owner

Find out who owns 320 21st Avenue, San Francisco, CA 94121. Uncover corporate and individual owners with a free account.

Sales
Sale date
10/20/2017
Sale price
$1,400,000
Arm's length
Tax
Tax year
2025-2026
Property tax
$20,133
Tax per sq. ft.
$8
Building
Property type
Flats & Duplex
Building sq. ft.
2,525
Stories
2
Year built
1912
Building material
D
Rooms
9
Bathrooms
3
Lot
Acreage
0.069
Zoning & use
Zoning
Residential- Mixed, Low Density (RM-1)
Units
3

Area overview

Walk score
98 /100.  Walker's Paradise
Transit score
70 /100.  Excellent Transit
Bike score
80 /100.  Very Bikeable
School district
San Francisco Unified School District

Ownership information for 320 21st Avenue, San Francisco, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address

Sales history for 320 21st Avenue, San Francisco, CA 94121

Sale date Sale price Buyer name Seller name
10/20/2017 $1,400,000 XXXXXXXXX-XXXX XXXXXXX; XXX XXXXXX XXXX XXXX XXXX XXXX XXXXXX XXXXX; XXXX XXXXX X X

*Most recent sale on record for this property.

More about San Francisco County property records.

Title documents

Date Type Amount Party 1 Party 2 Doc #
07/30/2020 Release Lien XX XXXXXXXXXX XX XXXXXX XXXXXX XXXXXXXXX-XXXX XXXXXXX & XX
05/22/2020 Notice Lien XXXXXXXXX-XXXX XXXXXXX & XX XX XXXXXXXXXX XX XXXXXX XXXXXX
04/16/2020 Reconveyance X X XXXXXX XXXXX XXXXXXX XXXX XXX XXXXXXXXX-XXXX XXXXXXX
04/16/2020 Substitution Trustee XXXXXXXXX-XXXX XXXXXXX X X XXXXXX XXXXX XXXXXXX XXXX XXX
03/30/2020 Deed of Trust XXXXXXXXX-XXXX XXXXXXX XXXXXXXXXX XXXX XXX
08/30/2019 Mechanic's Lien XXXX XXXXXX XXXX-XXXXX XXXXXXXXXXX
12/10/2018 Release Lien XXX XXXX XXXXXXXXXX XXXXXXXXX-XXXX XXXXXXX
09/10/2018 Mechanic's Lien XXXXXXXXX-XXXX XXXXXXX XXXX XXXXXX XXXX
08/01/2018 Mechanic's Lien XXXXXXXXX-XXXX XXXXXX XXX XXXXXXXXXX XXXX XXXXXXX XXX
10/20/2017 Deed of Trust XXXXXXXXX-XXXX XXXXXXX XXXXXXXXXX XXXX XXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 320 21st Avenue, San Francisco, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Property tax
$20,133
Tax per sq. ft.
$8
Recent tax assessments
Market value
$1,702,319
Land value
$1,115,071
Building value
$587,248

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $1,702,319 1.1827 $20,133 +2.98%
2024-2025 $1,668,941 1.1714 $19,550 +1.45%
2023-2024 $1,636,218 1.1777 $19,270 +1.83%
2022-2023 $1,604,136 1.1797 $18,924 +1.76%
2021-2022 $1,572,684 1.18248 $18,597 -0.32%
2020-2021 $1,556,848 1.1984 $18,657 +6.95%
2019-2020 $1,478,288 1.1801 $17,445 +7.12%
2018-2019 $1,400,288 1.163 $16,285 +909.51%
2017-2018 $137,609 1.1723 $1,613 +1.11%
2016-2017 $134,918 1.1826 $1,596 +1.52%

Permit information for 320 21st Avenue, San Francisco, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
11/16/2020
11/14/2020
11/14/2020
11/14/2020
08/14/2019

*Most recent permits on record for this property.

San Francisco residential market stats

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.

Median sale price

$1,500,000

15.4% Y-o-Y

Median price/sq. ft.

$1,155

11.2% Y-o-Y

San Francisco county median sale price

$1,500,000

15.4% Y-o-Y

Check out recently sold homes in San Francisco and see how their prices compare.

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
X
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map
Crime incidents map

Transportation

Daily traffic map

Access the detailed traffic volume map for 320 21st Avenue, San Francisco, CA 94121 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Alamo Elementary School 8 Public K-5 410 0.12
St. Monica School NR Private K-8 209 0.20
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.33
Kittredge, Inc. NR Private 1-8 82 0.37
San Francisco Schoolhouse NR Private K-7 60 0.38
Sutro Elementary School 9 Public K-5 219 0.48
Argonne Elementary School 6 Public K-5 361 0.49
Lisa Kampner Hebrew Academy NR Private K-12 37 0.56
Peabody (George) Elementary School 8 Public K-5 269 0.85
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
St. Monica School NR Private K-8 209 0.20
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.33
Kittredge, Inc. NR Private 1-8 82 0.37
San Francisco Schoolhouse NR Private K-7 60 0.38
Erikson School NR Private 6-12 7 0.48
Presidio Middle School 7 Public 6-8 978 0.53
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.33
San Francisco County Rop School NR Public 10-12 0 0.46
Erikson School NR Private 6-12 7 0.48
Lisa Kampner Hebrew Academy NR Private K-12 37 0.56
Olympia Institute NR Private 6-11 8 0.59
Washington (George) High School 9 Public 9-12 2,036 0.67
Nativity High school NR Private 9-12 0 0.70
Independence High School 5 Public 9-12 205 1.56
Wallenberg (Raoul) Traditional High School 7 Public 9-12 549 1.86

Data provided by GreatSchools.org © 2026. All rights reserved.

Frequently asked questions

What is the year built for 320 21st Avenue, San Francisco, CA 94121?

The development at 320 21st Avenue, San Francisco, CA 94121 was built in 1912.

What is the total square footage of 320 21st Avenue, San Francisco, CA 94121?

320 21st Avenue, San Francisco, CA 94121 has a total of 2,525 square feet.

When was 320 21st Avenue, San Francisco, CA 94121 last sold and what was the sale price?

320 21st Avenue, San Francisco, CA 94121 was last sold on 10/20/2017 for $1,400,000.

What is the assessed value of 320 21st Avenue, San Francisco, CA 94121?

320 21st Avenue, San Francisco, CA 94121 is currently assessed at $1,702,319.

What are the property taxes for 320 21st Avenue, San Francisco, CA 94121?

The property taxes for 320 21st Avenue, San Francisco, CA 94121 total $20,133.

How many residential units does this building have?

This building has 3 residential unit(s).

Disclaimer

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Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

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