San Francisco County  »  94121  »  21st Ave  »  304 21st Ave

304 21st Avenue, San Francisco, CA 94121 - Property report

Also known as: 304 21st Ave

Property image for 304 21st Avenue, San Francisco, CA 94121
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Property type

Apartment (1)

Year built

1920

Lot sq. ft.

2,178

General Information

Address
Primary address
304 21st Ave
San Francisco, CA 94121
Alternate address(es)
306 21st Ave
Zip code
94121
Neighborhood
Central Richmond
County
San Francisco
Municipality
City of San Francisco
Parcel ID
1452-040B

Owner

Find out who owns 304 21st Avenue, San Francisco, CA 94121. Uncover corporate and individual owners with a free account.

Tax
Tax year
2026-2027
Base tax
$1,690
Current property tax
$1,607
Tax per sq. ft.
$1
Building
Property type
Apartment
Building sq. ft.
2,186
Stories
2
Year built
1920
Rooms
9
Bedrooms
4
Bathrooms
4
Lot
Acreage
0.05
Zoning & use
Zoning
Residential- Mixed, Low Density (RM-1)
Units
2

Area overview

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

Ownership information for 304 21st Avenue, San Francisco, CA

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

Sales history for 304 21st Avenue, San Francisco, CA 94121

No recently recorded sales for this property.

More about San Francisco County property records.

Title documents

Date Type Amount Party 1 Party 2 Doc #
10/24/2025 Deed of Trust XXXX XXXXXX XXXXX XXXX XX XXXXXXX XX
04/22/2025 Reconveyance XXXXX XXXXXXXX XXXXX XXX XX XXXX XXXXXX XXXXX
04/22/2025 Substitution Trustee XXXX XX XXXXXXX XX XXXXX XXXXXXXX XXXXX XXX XX
04/25/2008 Modification Deed of Trust & Agreement XXXX XXXXXX XXXXX XXXX XX XXXXXXX XX
07/25/2005 Deed of Trust XXXX XXXXXX XXXXX XXXX XX XXXXXXX XX
03/17/2000 Deed of Trust XXXX XXXXXX XXXXX XXXX XX XXXXXXX XX
06/28/1999 Deed XXXX XXX XXXX XXXX XXXXXX XXXXX
01/13/1995 Deed of Trust XXXX XXX XXXX & XXXXXX X XXXX XX XXXXXXX XXXX
12/09/1993 Deed of Trust XXXX XXX XXXX & XXXXXX X X XXXX XX XXXXXXX XXXX
12/16/1992 Deed of Trust XXXX XXX XXXX & XXXXXX X XXXXXX-XXXXXX XXXXXXXX XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 304 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
2026-2027
Base tax
$1,690
Current property tax
$1,607
Tax per sq. ft.
$1
Recent tax assessments
Market value
$142,908
Land value
$53,717
Building value
$89,191

More about San Francisco County property taxes

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 $140,063 1.1827 $1,657 +2.98%
2024-2025 $137,317 1.1714 $1,609 +1.45%
2023-2024 $134,626 1.1777 $1,585 +1.83%
2022-2023 $131,987 1.1797 $1,557 +1.77%
2021-2022 $129,400 1.18248 $1,530 -0.32%
2020-2021 $128,074 1.1984 $1,535 +3.58%
2019-2020 $125,564 1.1801 $1,482 +3.50%
2018-2019 $123,103 1.163 $1,432 +1.19%
2017-2018 $120,690 1.1723 $1,415 +1.11%
2016-2017 $118,324 1.1826 $1,399 +1.52%
Permits

Permit information for 304 21st Avenue, San Francisco, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
08/26/2005
07/12/1991

*Most recent permits on record for this property.

Neighborhood

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
View daily traffic map

Access the detailed traffic volume map for 304 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 0.11
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 0.35
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 0.51
Lisa Kampner Hebrew Academy NR Private K-12 37 0.58
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 0.35
San Francisco Schoolhouse NR Private K-7 60 0.38
Erikson School NR Private 6-12 7 0.50
Presidio Middle School 7 Public 6-8 978 0.52
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 0.48
Erikson School NR Private 6-12 7 0.50
Lisa Kampner Hebrew Academy NR Private K-12 37 0.58
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 0.71
Independence High School 5 Public 9-12 205 1.58
Wallenberg (Raoul) Traditional High School 7 Public 9-12 549 1.86

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

Neighbors for 304 21st Avenue, San Francisco, CA

359 20th Ave, San Francisco 334 21st Ave, San Francisco 1921 Clement St, San Francisco 326 21st Ave, San Francisco 307 21st Ave, San Francisco 318 21st Ave, San Francisco 1919 Clement St, San Francisco 2011 Clement St, San Francisco 320 21st Ave, San Francisco 330 21st Ave, San Francisco 1905 Clement St, San Francisco 314 21st Ave, San Francisco 340 21st Ave, San Francisco 342 21st Ave, San Francisco 346 21st Ave, San Francisco 1947 Clement St, San Francisco 1915 Clement St, San Francisco 5600 Geary Blvd, San Francisco 376 21st Ave, San Francisco 308 21st Ave, San Francisco

Nearby ZIP codes for 304 21st Avenue, San Francisco, CA

94102, San Francisco County, CA 94103, San Francisco County, CA 94104, San Francisco County, CA 94108, San Francisco County, CA 94109, San Francisco County, CA 94110, San Francisco County, CA 94112, San Francisco County, CA 94114, San Francisco County, CA 94115, San Francisco County, CA 94116, San Francisco County, CA 94118, San Francisco County, CA 94122, San Francisco County, CA 94123, San Francisco County, CA 94127, San Francisco County, CA 94129, San Francisco County, CA 94131, San Francisco County, CA 94133, San Francisco County, CA

Frequently asked questions

What is the year built for 304 21st Avenue, San Francisco, CA 94121?

The development at 304 21st Avenue, San Francisco, CA 94121 was built in 1920.

What is the total square footage of 304 21st Avenue, San Francisco, CA 94121?

304 21st Avenue, San Francisco, CA 94121 has a total of 2,186 square feet.

What is the assessed value of 304 21st Avenue, San Francisco, CA 94121?

304 21st Avenue, San Francisco, CA 94121 is currently assessed at $140,063.

What are the property taxes for 304 21st Avenue, San Francisco, CA 94121?

The property taxes for 304 21st Avenue, San Francisco, CA 94121 total $1,656.

How many residential units does this building have?

This building has 2 residential unit(s).

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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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