San Francisco County  »  94121  »  21st Ave  »  339 21st Ave

339 21st Avenue, San Francisco, CA 94121 - Property report

Also known as: 339 21st Ave

Property image for 339 21st Avenue, San Francisco, CA 94121
static Mapbox map

Property type

Flats & Duplex (F)

Year built

1913

Lot sq. ft.

3,006

Sale price

$400,000

General Information

Address
Primary address
339 21st Ave
San Francisco, CA 94121
Zip code
94121
Neighborhood
Central Richmond
County
San Francisco
Municipality
City of San Francisco
Parcel ID
1453-007

Owner

Find out who owns 339 21st Avenue, San Francisco, CA 94121. Uncover corporate and individual owners with a free account.

Sales
Sale date
08/01/2003
Sale price
$400,000
Arm's length
Tax
Tax year
2025-2026
Base tax
$10,735
Current property tax
$10,652
Tax per sq. ft.
$3
Building
Property type
Flats & Duplex
Building sq. ft.
3,308
Stories
3
Year built
1913
Rooms
10
Bathrooms
3
Lot
Acreage
0.069
Zoning & use
Zoning
Residential- Mixed, Low Density (RM-1)

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 339 21st Avenue, San Francisco, CA

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

Sales history for 339 21st Avenue, San Francisco, CA 94121

Sale date Sale price Buyer name Seller name
08/01/2003 $400,000 XXX XXX XXXX; XXXXX XXXX XXX XXX XXXXX XXX XXXX; XXXXX XXXX XXX; XXXXX XXXX X & XXX X; XXX XXX XXXX; XXX XXXXX XXX XXXX
12/21/1993 $330,000

*Most recent sales on record for this property.

More about San Francisco County property records.

Title documents

Date Type Amount Party 1 Party 2 Doc #
04/22/2021 Grant Deed XXX XXX XXXX XXX XXX XXXX
07/24/2020 Deed of Trust XXX XXX XXXX XXXX XXXXXXXX XXXX
07/01/2020 Reconveyance XXXXXXXXXX XXXXX XXXXXXXX XXX XXX XXX XXXX
07/01/2020 Substitution Trustee XXXXXXXXX XXXXXXXX XXXX XXXXXXXXXX XXXXX XXXXXXXX XXX
07/24/2018 Release Lien XXXXX XXXX XXX XXX & XXX X XX XXXXXXXXXX XX XXXXXX XXXXXX
06/25/2018 Notice Lien XXXXX XXXX XXX XXX & XXX X XX XXXXXXXXXX XX XXXXXX XXXXXX
02/26/2018 Release Lien XXXXX XXXX XXX XXX & XXX X XX XXXXXXXXXX XX XXXXXX XXXXXX
12/22/2017 Notice Lien XXXXX XXXX XXX XXX & XXX X XXXX
02/15/2011 Deed of Trust XXX XXX XXXX XXXXXXXXX XXXXXXXX XXXX
05/26/2005 Assignment of Deed of Trust XXX XXX XXXX XXXXXXXXXX XXXXXX XXXX XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 339 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
Base tax
$10,735
Current property tax
$10,652
Tax per sq. ft.
$3
Recent tax assessments
Market value
$907,636
Land value
$528,167
Building value
$379,469

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 $907,636 1.1827 $10,735 +2.98%
2024-2025 $889,843 1.1714 $10,424 +1.45%
2023-2024 $872,399 1.1777 $10,274 +49.21%
2022-2023 $583,683 1.1797 $6,886 +1.75%
2021-2022 $572,240 1.18248 $6,767 -0.30%
2020-2021 $566,374 1.1984 $6,787 +14.39%
2019-2020 $502,794 1.1801 $5,933 +3.50%
2018-2019 $492,936 1.163 $5,733 +1.19%
2017-2018 $483,272 1.1723 $5,665 +1.11%
2016-2017 $473,797 1.1826 $5,603 +1.52%
Permits

Permit information for 339 21st Avenue, San Francisco, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
01/09/2019
01/09/2019
09/13/2018
09/13/2018
09/13/2018

*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 339 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 0.16
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.29
Kittredge, Inc. NR Private 1-8 82 0.36
San Francisco Schoolhouse NR Private K-7 60 0.42
Argonne Elementary School 6 Public K-5 361 0.49
Sutro Elementary School 9 Public K-5 219 0.52
Lisa Kampner Hebrew Academy NR Private K-12 37 0.57
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
St. Monica School NR Private K-8 209 0.16
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.29
Kittredge, Inc. NR Private 1-8 82 0.36
San Francisco Schoolhouse NR Private K-7 60 0.42
Erikson School NR Private 6-12 7 0.45
Presidio Middle School 7 Public 6-8 978 0.49
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 0.29
San Francisco County Rop School NR Public 10-12 0 0.43
Erikson School NR Private 6-12 7 0.45
Lisa Kampner Hebrew Academy NR Private K-12 37 0.57
Olympia Institute NR Private 6-11 8 0.63
Washington (George) High School 9 Public 9-12 2,036 0.63
Challenge To Learning NR Private 7-12 0 0.74
Independence High School 5 Public 9-12 205 1.56
Wallenberg (Raoul) Traditional High School 7 Public 9-12 549 1.89

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

Neighbors for 339 21st Avenue, San Francisco, CA

347 21st Ave, San Francisco 331 21st Ave, San Francisco 327 21st Ave, San Francisco 359 20th Ave, San Francisco 359 21st Ave, San Francisco 319 21st Ave, San Francisco 307 21st Ave, San Francisco 343 21st Ave, San Francisco 367 21st Ave, San Francisco 2011 Clement St, San Francisco 375 21st Ave, San Francisco 335 21st Ave, San Francisco 311 21st Ave, San Francisco 351 21st Ave, San Francisco 355 21st Ave, San Francisco 323 21st Ave, San Francisco 363 21st Ave, San Francisco 369 21st Ave, San Francisco 381 21st Ave, San Francisco 315 21st Ave, San Francisco

Nearby ZIP codes for 339 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 339 21st Avenue, San Francisco, CA 94121?

The development at 339 21st Avenue, San Francisco, CA 94121 was built in 1913.

What is the total square footage of 339 21st Avenue, San Francisco, CA 94121?

339 21st Avenue, San Francisco, CA 94121 has a total of 3,308 square feet.

When was 339 21st Avenue, San Francisco, CA 94121 last sold and what was the sale price?

339 21st Avenue, San Francisco, CA 94121 was last sold on 08/01/2003 for $400,000.

What is the assessed value of 339 21st Avenue, San Francisco, CA 94121?

339 21st Avenue, San Francisco, CA 94121 is currently assessed at $907,636.

What are the property taxes for 339 21st Avenue, San Francisco, CA 94121?

The property taxes for 339 21st Avenue, San Francisco, CA 94121 total $10,734.

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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