San Francisco County  »  94121  »  20th Ave  »  431 20th Ave

431 20th Avenue, San Francisco, CA 94121 - Property report

Also known as: 431 20th Ave

Property image for 431 20th Avenue, San Francisco, CA 94121
static Mapbox map

Property type

Flats & Duplex (F)

Year built

1915

Lot sq. ft.

3,006

Sale price

$900,000

General Information

Address
Primary address
431 20th Ave
San Francisco, CA 94121
Zip code
94121
Neighborhood
Central Richmond
County
San Francisco
Municipality
City of San Francisco
Parcel ID
1524-005

Owner

Find out who owns 431 20th Avenue, San Francisco, CA 94121. Uncover corporate and individual owners with a free account.

Sales
Sale date
12/08/2023
Sale price
$900,000
Arm's length
Tax
Tax year
2025-2026
Base tax
$10,857
Current property tax
$10,774
Tax per sq. ft.
$4
Building
Property type
Flats & Duplex
Building sq. ft.
2,720
Stories
2
Year built
1915
Building material
D
Rooms
10
Bedrooms
4
Bathrooms
2
Lot
Acreage
0.069
Zoning & use
Zoning
Residential- Mixed, Low Density (RM-1)
Units
2

Area overview

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

Ownership information for 431 20th Avenue, San Francisco, CA

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

Sales history for 431 20th Avenue, San Francisco, CA 94121

*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 #
10/07/2025 Grant Deed XXXXXXX XXX XXXXXXX XXX XXXXXXX XXXXXXX XXXX XXXXXX XXXXX
05/27/2025 Trust Transfer Deed XXX XXXXXXX XXX XXXXXXX XXX XXX
11/20/2024 Reconveyance XXXXXXX XXX XXXXXXX XXXXXXX XXX XXXXXXX
11/20/2024 Substitution Trustee XXXXXXX XXX XXXXXXX XXXXXXX XXX XXXXXXX
11/06/2024 Deed of Trust XXXXXXX XXX XXXXXXX XXXX XXX
01/02/2024 Reconveyance XXX XXXXX XXX XXXX XXXXX XXX
01/02/2024 Substitution Trustee XXXX XXXXX XXX XXX XXXXX XXX
12/08/2023 Deed of Trust XXXXXXX XXX XXXXXXX XXXX XXX
12/08/2023 Grant Deed XXXX XXXXX XXX XXXXXXX XXX XXXXXXX
12/06/2023 Res Energy Inspctn XXXX XXXXX XXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 431 20th 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
$10,857
Current property tax
$10,774
Tax per sq. ft.
$4
Recent tax assessments
Market value
$918,000
Land value
$642,600
Building value
$275,400

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 $918,000 1.1827 $10,857 +2.98%
2024-2025 $900,000 1.1714 $10,543 -48.37%
2023-2024 $1,734,000 1.1777 $20,421 +401.41%
2022-2023 $345,241 1.1797 $4,073 +1.77%
2021-2022 $338,472 1.18248 $4,002 -0.32%
2020-2021 $335,003 1.1984 $4,015 +3.58%
2019-2020 $328,435 1.1801 $3,876 +3.50%
2018-2019 $321,996 1.163 $3,745 +1.19%
2017-2018 $315,683 1.1723 $3,701 +1.11%
2016-2017 $309,494 1.1826 $3,660 +1.52%

Permit information for 431 20th Avenue, San Francisco, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
11/23/2018
03/08/2011

*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 431 20th 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)
St. Monica School NR Private K-8 209 0.20
Alamo Elementary School 8 Public K-5 410 0.25
Argonne Elementary School 6 Public K-5 361 0.35
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.35
San Francisco Schoolhouse NR Private K-7 60 0.40
Lisa Kampner Hebrew Academy NR Private K-12 37 0.44
Kittredge, Inc. NR Private 1-8 82 0.50
Sutro Elementary School 9 Public K-5 219 0.51
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 0.35
Erikson School NR Private 6-12 7 0.38
San Francisco Schoolhouse NR Private K-7 60 0.40
Lisa Kampner Hebrew Academy NR Private K-12 37 0.44
Presidio Middle School 7 Public 6-8 978 0.57
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 0.35
San Francisco County Rop School NR Public 10-12 0 0.36
Erikson School NR Private 6-12 7 0.38
Lisa Kampner Hebrew Academy NR Private K-12 37 0.44
Olympia Institute NR Private 6-11 8 0.59
Challenge To Learning NR Private 7-12 0 0.63
Washington (George) High School 9 Public 9-12 2,036 0.65
Independence High School 5 Public 9-12 205 1.42
Wallenberg (Raoul) Traditional High School 7 Public 9-12 549 1.83

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

Frequently asked questions

What is the year built for 431 20th Avenue, San Francisco, CA 94121?

The development at 431 20th Avenue, San Francisco, CA 94121 was built in 1915.

What is the total square footage of 431 20th Avenue, San Francisco, CA 94121?

431 20th Avenue, San Francisco, CA 94121 has a total of 2,720 square feet.

When was 431 20th Avenue, San Francisco, CA 94121 last sold and what was the sale price?

431 20th Avenue, San Francisco, CA 94121 was last sold on 12/08/2023 for $900,000.

What is the assessed value of 431 20th Avenue, San Francisco, CA 94121?

431 20th Avenue, San Francisco, CA 94121 is currently assessed at $918,000.

What are the property taxes for 431 20th Avenue, San Francisco, CA 94121?

The property taxes for 431 20th Avenue, San Francisco, CA 94121 total $10,857.

How many residential units does this building have?

This building has 2 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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