San Francisco County  »  94121  »  21st Ave  »  334 21st Ave

334 21st Avenue, San Francisco, CA 94121 - Property report

Also known as: 334 21st Ave

Property image for 334 21st Avenue, San Francisco, CA 94121
static Mapbox map

Property type

Flats & Duplex (F)

Year built

1913

Lot sq. ft.

3,006

Sale price

$1,133,500

General Information

Address
Primary address
334 21st Ave
San Francisco, CA 94121
Alternate address(es)
336 21st Ave
Zip code
94121
Neighborhood
Central Richmond
County
San Francisco
Municipality
City of San Francisco
Parcel ID
1452-035

Owner

Find out who owns 334 21st Avenue, San Francisco, CA 94121. Uncover corporate and individual owners with a free account.

Sales
Sale date
12/09/2020
Sale price
$1,133,500
Arm's length
Tax
Tax year
2025-2026
Property tax
$13,947
Tax per sq. ft.
$5
Building
Property type
Flats & Duplex
Building sq. ft.
2,690
Stories
2
Year built
1913
Building material
D
Rooms
11
Bathrooms
2
Lot
Acreage
0.069
Zoning & use
Zoning
Residential- Mixed, Low Density (RM-1)
Units
2

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 334 21st Avenue, San Francisco, CA

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

Sales history for 334 21st Avenue, San Francisco, CA 94121

More about San Francisco County property records.

Title documents

Date Type Amount Party 1 Party 2 Doc #
02/10/2021 Grant Deed XX XXXXX XXXXXXXXX XXXXXXXX X XX
12/09/2020 Deed of Trust XXXXXXXXX XXXXXXXX X XXXXXX X XXXXXX XXXXX
12/09/2020 Interspousal Transfer Deed XXXXXXXXX XXXXX XXXXXXXXX XXXXXXXX X
12/09/2020 Grant Deed XXXX XX XXXXXX XXX XXXXXXXXX XXXXXXXX X
09/10/2020 Trust Transfer Grant Deed XX XXXXXX XXXXXXXX XXXXX XXXX XXXXXXXXX XXXXXXXX X XX
11/26/2002 Notice of Constraints on Real Property XX XXXXXX XXXXXXXX XXXXX XXXX-XXXX XXXXX
07/05/2002 Deed XX XXXXXX XXXXXXXX XXXXX XXXX XX XXXXX
07/12/1999 Deed XX XXX XXX & XXXX XXXX XXXX XX XXXXXX XXX
05/12/1998 Assignment of Rents XX XXXXXX XXXXXXXX XXXXX XXXX XX XXX XXXXXX
05/12/1998 Deed of Trust XX XXXXXX XXXXXXXX XXXXX XXXX XX XXX XXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 334 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
$13,947
Tax per sq. ft.
$5
Recent tax assessments
Market value
$1,179,228
Land value
$757,564
Building value
$421,664

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 $1,179,228 1.1827 $13,947 +2.98%
2024-2025 $1,156,122 1.1714 $13,543 +1.45%
2023-2024 $1,133,464 1.1777 $13,349 +1.83%
2022-2023 $1,111,250 1.1797 $13,109 +1.76%
2021-2022 $1,089,472 1.18248 $12,883 +126.58%
2020-2021 $474,445 1.1984 $5,686 +3.58%
2019-2020 $465,144 1.1801 $5,489 +3.50%
2018-2019 $456,027 1.163 $5,304 +1.19%
2017-2018 $447,089 1.1723 $5,241 +1.11%
2016-2017 $438,327 1.1826 $5,184 +1.52%

Permit information for 334 21st Avenue, San Francisco, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
10/05/2006
10/05/2006
12/04/2002

*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 334 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 0.13
St. Monica School NR Private K-8 209 0.19
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.33
Kittredge, Inc. NR Private 1-8 82 0.38
San Francisco Schoolhouse NR Private K-7 60 0.38
Argonne Elementary School 6 Public K-5 361 0.48
Sutro Elementary School 9 Public K-5 219 0.49
Lisa Kampner Hebrew Academy NR Private K-12 37 0.55
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 0.19
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.33
Kittredge, Inc. NR Private 1-8 82 0.38
San Francisco Schoolhouse NR Private K-7 60 0.38
Erikson School NR Private 6-12 7 0.47
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 0.45
Erikson School NR Private 6-12 7 0.47
Lisa Kampner Hebrew Academy NR Private K-12 37 0.55
Olympia Institute NR Private 6-11 8 0.59
Washington (George) High School 9 Public 9-12 2,036 0.66
Nativity High school NR Private 9-12 0 0.70
Independence High School 5 Public 9-12 205 1.55
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 334 21st Avenue, San Francisco, CA 94121?

The development at 334 21st Avenue, San Francisco, CA 94121 was built in 1913.

What is the total square footage of 334 21st Avenue, San Francisco, CA 94121?

334 21st Avenue, San Francisco, CA 94121 has a total of 2,690 square feet.

When was 334 21st Avenue, San Francisco, CA 94121 last sold and what was the sale price?

334 21st Avenue, San Francisco, CA 94121 was last sold on 12/09/2020 for $1,133,500.

What is the assessed value of 334 21st Avenue, San Francisco, CA 94121?

334 21st Avenue, San Francisco, CA 94121 is currently assessed at $1,179,228.

What are the property taxes for 334 21st Avenue, San Francisco, CA 94121?

The property taxes for 334 21st Avenue, San Francisco, CA 94121 total $13,946.

How many residential units does this building have?

This building has 2 residential unit(s).

Disclaimer

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