San Francisco County  »  94121  »  21st Ave  »  666 21st Ave

666 21st Avenue, San Francisco, CA 94121 - Property report

Also known as: 666 21st Ave

Property image for 666 21st Avenue, San Francisco, CA 94121
static Mapbox map

Property type

Single Family Residence (31)

Year built

1921

Lot sq. ft.

3,223

Sale price

$650,000

General Information

Address
Primary address
666 21st Ave
San Francisco, CA 94121
Alternate address(es)
668 21st Ave
Zip code
94121
Neighborhood
Central Richmond
County
San Francisco
Municipality
City of San Francisco
Parcel ID
1624-006G

Owner

Find out who owns 666 21st Avenue, San Francisco, CA 94121. Uncover corporate and individual owners with a free account.

Sales
Sale date
07/02/2003
Sale price
$650,000
Arm's length
Tax
Tax year
2026-2027
Base tax
$12,356
Current property tax
$12,273
Tax per sq. ft.
$7
Building
Property type
Single Family Residence
Building sq. ft.
1,874
Stories
1
Year built
1921
Rooms
8
Bedrooms
5
Bathrooms
4
Lot
Acreage
0.074
Zoning & use
Zoning
Residential- House, Two Family (RH-2)
Units
1

Area overview

Walk score
92 /100.  Walker's Paradise
Transit score
71 /100.  Excellent Transit
Bike score
83 /100.  Very Bikeable
School district
San Francisco Unified School District

Ownership information for 666 21st Avenue, San Francisco, CA

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

Sales history for 666 21st Avenue, San Francisco, CA 94121

Sale date Sale price Buyer name Seller name
07/02/2003 $650,000 XX XXXX X; XX XXXXX X XXXXX XXXXX; XXXX XXXX XXXXX; XXXX XXXXX XXXXXX XX; XXXXX XXXXXX; XXXXX XXXX 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 #
05/22/2019 Deed of Trust XX XXXXXX XXXXXX XXXXX XXXXXX XXXX
07/13/2006 Deed XX XXXXXX XXXXX
07/13/2006 Affadavit Death XX XXXX
12/17/2003 Deed XX XXXX XX XXXX
07/18/2003 Residential Energy Inspctn XXXXX XXXX
07/02/2003 Deed of Trust XX XXXX X XXXXXXXXXXXX XXX
07/02/2003 Deed XXXXX XXXXXX XXXX XXXXX XXXXXX
07/02/2003 Deed XXXXX XXXX XXXXX XXXXX
07/02/2003 Deed XXXXX XXXXX XX XXXX X
08/05/2002 Deed XXXXX XXXXXX XXXXX XXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 666 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
$12,356
Current property tax
$12,273
Tax per sq. ft.
$7
Recent tax assessments
Market value
$1,044,750
Land value
$565,590
Building value
$479,160

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 $1,024,683 1.1827 $12,119 +3.09%
2024-2025 $1,003,515 1.1714 $11,755 +1.45%
2023-2024 $983,839 1.1777 $11,587 +1.83%
2022-2023 $964,549 1.1797 $11,379 +1.76%
2021-2022 $945,637 1.18248 $11,182 -0.31%
2020-2021 $935,943 1.1984 $11,216 +3.58%
2019-2020 $917,593 1.1801 $10,829 +3.50%
2018-2019 $899,603 1.163 $10,462 +12.08%
2017-2018 $796,285 1.1723 $9,335 +1.11%
2016-2017 $780,672 1.1826 $9,232 +1.52%

Permit information for 666 21st Avenue, San Francisco, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
08/14/2015
06/08/2015
06/08/2015
06/08/2015
06/08/2015

*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 666 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)
Argonne Elementary School 6 Public K-5 361 0.18
Lisa Kampner Hebrew Academy NR Private K-12 37 0.38
St. Monica School NR Private K-8 209 0.40
Bais Menachem Yeshiva Day School NR Private K-8 49 0.42
Shalom School Dba Bais Menacehm Yeshiva Day School NR Private K-7 30 0.43
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.49
Alamo Elementary School 8 Public K-5 410 0.54
Sutro Elementary School 9 Public K-5 219 0.72
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Erikson School NR Private 6-12 7 0.25
Lisa Kampner Hebrew Academy NR Private K-12 37 0.38
St. Monica School NR Private K-8 209 0.40
Bais Menachem Yeshiva Day School NR Private K-8 49 0.42
Shalom School Dba Bais Menacehm Yeshiva Day School NR Private K-7 30 0.43
Presidio Middle School 7 Public 6-8 978 0.69
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
San Francisco County Rop School NR Public 10-12 0 0.23
Erikson School NR Private 6-12 7 0.25
Lisa Kampner Hebrew Academy NR Private K-12 37 0.38
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.49
Challenge To Learning NR Private 7-12 0 0.62
Washington (George) High School 9 Public 9-12 2,036 0.66
Olympia Institute NR Private 6-11 8 0.76
Independence High School 5 Public 9-12 205 1.20
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 666 21st Avenue, San Francisco, CA 94121?

The development at 666 21st Avenue, San Francisco, CA 94121 was built in 1921.

What is the total square footage of 666 21st Avenue, San Francisco, CA 94121?

666 21st Avenue, San Francisco, CA 94121 has a total of 1,874 square feet.

When was 666 21st Avenue, San Francisco, CA 94121 last sold and what was the sale price?

666 21st Avenue, San Francisco, CA 94121 was last sold on 07/02/2003 for $650,000.

What is the assessed value of 666 21st Avenue, San Francisco, CA 94121?

666 21st Avenue, San Francisco, CA 94121 is currently assessed at $1,024,683.

What are the property taxes for 666 21st Avenue, San Francisco, CA 94121?

The property taxes for 666 21st Avenue, San Francisco, CA 94121 total $12,118.

Disclaimer

Copyright 2003-2026 by PropertyShark.com

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

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.

Sign up for a free account