San Francisco County  »  94134  »  Blanken Ave  »  421 Blanken Ave

421 Blanken Avenue, San Francisco, CA 94134 - Property report

Also known as: 421 Blanken Ave

Property image for 421 Blanken Avenue, San Francisco, CA 94134
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Property type

Single Family Residence (31)

Year built

1937

Lot sq. ft.

2,396

Sale price

$500,000

General Information

Address
Primary address
421 Blanken Ave
San Francisco, CA 94134
Zip code
94134
Neighborhood
Little Hollywood
County
San Francisco
Municipality
City of San Francisco
Parcel ID
5072-028

Owner

Find out who owns 421 Blanken Avenue, San Francisco, CA 94134. Uncover corporate and individual owners with a free account.

Sales
Sale date
04/29/2014
Sale price
$500,000
Arm's length
Tax
Tax year
2026-2027
Base tax
$2,914
Current property tax
$2,831
Tax per sq. ft.
$1
Building
Property type
Single Family Residence
Building sq. ft.
2,002
Stories
2
Year built
1937
Rooms
5
Bedrooms
2
Bathrooms
2
Lot
Acreage
0.055
Zoning & use
Zoning
Residential- House, One Family (RH-1)
Units
1

Area overview

Walk score
59 /100.  Somewhat Walkable
Transit score
68 /100.  Good Transit
Bike score
53 /100.  Bikeable
School district
San Francisco Unified School District
Ownership

Ownership information for 421 Blanken Avenue, San Francisco, CA

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

Sales history for 421 Blanken Avenue, San Francisco, CA 94134

Sale date Sale price Buyer name Seller name
04/29/2014 $500,000 XXXXXXX XXXXXXXX XXXXX XXXXXXXX X; XXXXXXXX XXXXX/XXXXXX XXXXXXXXX XX XX

*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 #
11/13/2023 Reconveyance XXXXX XXXXXXXX XXXXX XXX XX XXXXXXX XXXXXXXX
10/30/2023 Deed of Trust XXXXXXX XXXXXX XXXXX XXXX XXX XXXXXX XXXXX
03/07/2023 Ucc - 3 Continuation XXXXXXXXXXX X/XX/XXXX XX XX XXX XXXXXXXXX XXXXX XXXXXX XXX
10/15/2021 Trust Transfer Deed XXXXXXX XXXXXXXX XXXXXXX XXXXXX XXXXX
10/26/2016 Deed of Trust XXXXXXX XXXXXXXX XXXX XXX XXXXXX XXXXX
04/29/2014 Assignment of Rents XXXXXXX XXXXXXXX XXXXX XXXXXXXX X
04/29/2014 Deed of Trust XXXXXXX XXXXXXXX XXXXX XXXXXXXX X
04/29/2014 Grant Deed XXXXX XXXXXXXX X XXXXXXX XXXXXXXX
04/29/2014 Affadavit Death XXXXXXXXX XXXXXX XXXXXXX
03/15/2011 Reconveyance XXXXXXX XXXXXXX XXX XXXX XXXXX XXXXXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 421 Blanken 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
$2,914
Current property tax
$2,831
Tax per sq. ft.
$1
Recent tax assessments
Market value
$246,363
Land value
$38,496
Building value
$207,867

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 $241,488 1.1827 $2,856 +2.98%
2024-2025 $236,755 1.1714 $2,773 +1.45%
2023-2024 $232,114 1.1777 $2,734 +1.83%
2022-2023 $227,565 1.1797 $2,685 +1.77%
2021-2022 $223,104 1.18248 $2,638 -0.31%
2020-2021 $220,818 1.1984 $2,646 +8.71%
2019-2020 $206,277 1.1801 $2,434 +3.50%
2018-2019 $202,233 1.163 $2,352 +36.22%
2017-2018 $147,288 1.1723 $1,727 +1.11%
2016-2017 $144,401 1.1826 $1,708 +1.52%
Permits

Permit information for 421 Blanken Avenue, San Francisco, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
01/16/2025
10/31/2018
04/27/2018
12/20/2017
12/20/2017

*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 421 Blanken Avenue, San Francisco, CA 94134 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)
KIPP Bayview Academy 3 Charter 5-8 199 0.56
Our Lady of the Visitacin School NR Private K-8 242 0.64
One Purpose NR Charter K-5 100 0.65
KIPP Bayview Elementary 4 Charter K-4 161 0.65
Our Lady Of The Visitacion Elementary School NR Private K-8 243 0.66
Harte (Bret) Elementary School 3 Public K-5 240 0.67
Visitacion Valley Elementary School 4 Public K-5 254 0.69
El Dorado Elementary School 3 Public K-5 135 0.72
Bayshore Elementary School 4 Public K-8 322 1.01
Mt. Vernon Christian Academy NR Private K-8 0 1.09
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
KIPP Bayview Academy 3 Charter 5-8 199 0.56
Our Lady of the Visitacin School NR Private K-8 242 0.64
Our Lady Of The Visitacion Elementary School NR Private K-8 243 0.66
Visitacion Valley Middle School 2 Public 6-8 326 0.85
Senior Martin College Preparatory School NR Private 6-12 0 0.90
Bayshore Elementary School 4 Public K-8 322 1.01
Mt. Vernon Christian Academy NR Private K-8 0 1.09
St. Elizabeth School NR Private K-8 0 1.13
King Jr. (Martin Luther) Academic Middle School 4 Public 6-8 366 1.20
Havard (Leona M) Early Education School NR Public 173 1.66
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Burton (Phillip And Sala) Academic High School 7 Public 9-12 1,060 0.79
Senior Martin College Preparatory School NR Private 6-12 0 0.90
Muhammad University of Islam NR Private K-12 0 1.51
Jordan (June) School For Equity 4 Public 9-12 201 1.61
Havard (Leona M) Early Education School NR Public 173 1.66
KIPP San Francisco College Preparatory 4 Charter 9-12 316 1.67
Marshall (Thurgood) High School 2 Public 9-12 457 1.72
Coming Of Age Christian Academy NR Private K-12 21 1.77
Living Hope Christian NR Private K-12 0 2.10
Joshua Marie Cameron Academy NR Private 7-12 13 2.15

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

Neighbors for 421 Blanken Avenue, San Francisco, CA

287 Tocoloma Ave, San Francisco 275 Tocoloma Ave, San Francisco 265 Tocoloma Ave, San Francisco 241 Tocoloma Ave, San Francisco 188 Nueva Ave, San Francisco 180 Nueva Ave, San Francisco 295 Tocoloma Ave, San Francisco 184 Nueva Ave, San Francisco 259 Tocoloma Ave, San Francisco 158 Nueva Ave, San Francisco 281 Tocoloma Ave, San Francisco 271 Tocoloma Ave, San Francisco 251 Tocoloma Ave, San Francisco 166 Nueva Ave, San Francisco 245 Tocoloma Ave, San Francisco 198 Nueva Ave, San Francisco 176 Nueva Ave, San Francisco 192 Nueva Ave, San Francisco 170 Nueva Ave, San Francisco 162 Nueva Ave, San Francisco

Nearby ZIP codes for 421 Blanken Avenue, San Francisco, CA

94102, San Francisco County, CA 94103, San Francisco County, CA 94104, San Francisco County, CA 94105, San Francisco County, CA 94107, 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 94124, San Francisco County, CA 94127, San Francisco County, CA 94131, San Francisco County, CA 94158, San Francisco County, CA

Frequently asked questions

What is the year built for 421 Blanken Avenue, San Francisco, CA 94134?

The development at 421 Blanken Avenue, San Francisco, CA 94134 was built in 1937.

What is the total square footage of 421 Blanken Avenue, San Francisco, CA 94134?

421 Blanken Avenue, San Francisco, CA 94134 has a total of 2,002 square feet.

When was 421 Blanken Avenue, San Francisco, CA 94134 last sold and what was the sale price?

421 Blanken Avenue, San Francisco, CA 94134 was last sold on 04/29/2014 for $500,000.

What is the assessed value of 421 Blanken Avenue, San Francisco, CA 94134?

421 Blanken Avenue, San Francisco, CA 94134 is currently assessed at $241,488.

What are the property taxes for 421 Blanken Avenue, San Francisco, CA 94134?

The property taxes for 421 Blanken Avenue, San Francisco, CA 94134 total $2,856.

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