San Francisco County » 94124 » Thornton Ave » 521 Thornton Ave

521 Thornton Avenue, San Francisco, CA 94124 - Property report

Also known as: 521 Thornton Ave

Property image for 521 Thornton Avenue, San Francisco, CA 94124

Property type

Single Family Residence (31)

Year built

1943

Lot sq. ft.

1,873

Sale price

$175,000

General Information

Address

Primary address

521 Thornton Ave
San Francisco, CA 94124

Zip code

94124

Neighborhood

Silver Terrace

County

San Francisco

Municipality

City of San Francisco

Parcel ID

5404-038

Sales

Sale date

07/14/2014

Sale price

$175,000

Arm's length

Tax

Tax year

2026-2027

Property tax

$1,198

Tax per sq. ft.

Building

Property type

Single Family Residence

Building sq. ft.

800

Stories

Year built

1943

Rooms

Bathrooms

Lot

Acreage

0.043

Zoning & use

Zoning

Residential- House, One Family (RH-1)

Units

Area overview

Walk score

85 /100. Very Walkable

Transit score

73 /100. Excellent Transit

Bike score

70 /100. Very Bikeable

School district

San Francisco Unified School District

Ownership

Ownership information for 521 Thornton Avenue, San Francisco, CA

Property owner name

Registered owner

Source

Deed

Owner contact information

Phone number

Owner address

Documents

Sales history for 521 Thornton Avenue, San Francisco, CA 94124

Sale date	Sale price	Buyer name	Seller name
07/14/2014	$175,000	XXXXXX XXXXXXX X; XXXXXX XXXXXX X	XXXXXX XXXXXX XXXXX

*Most recent sale on record for this property.

More about San Francisco County property records.

Title documents

Date	Type	Party 1	Party 2
06/17/2026	NTC Lien	XXXXXX XXXXXXX X	XX XXXXX XXXXX XXX XXXXX
05/20/2026	NTC Lien	XXXXXX XXXXXXX X	XX XXXXX XXXXX XXX XXXXX
04/15/2026	NTC Lien	XXXXXX XXXXXXX X	XX XXXXX XXXXX XXX XXXXX
01/21/2026	NTC Lien	XXXXXX XXXXXXX X	XX XXXXX XXXXX XXX XXXXX
03/30/2021	Reconveyance	XXX XXXXXX XXX	XXXXXX XXXXXXX
03/30/2021	Substitution Trustee	XXX XXXXXX XXX	XXXXXX XXXXXXX
03/17/2021	Deed of Trust	XXXXXX XXXXXXX X	XXX XXXXXX XXX
11/01/2019	Release Lien	XX XXXXXXXXXX XX XXXXXX XXXXXX	XXXXXX XXXXXXX X
09/16/2019	Reconveyance	X X XXXX XXXXX XX XX	XXXXXX XXXXXX X
09/09/2019	Notice Lien	XXXXXX XXXXXXXXXX X	XX XXXXXXXXXX XX XXXXXX XXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 521 Thornton 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

Property tax

$1,198

Tax per sq. ft.

Recent tax assessments

Market value

$101,306

Land value

$20,959

Building value

$80,347

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	$99,193	1.1827	$1,173	+2.98%
2024-2025	$97,252	1.1714	$1,139	+1.45%
2023-2024	$95,347	1.1777	$1,123	+1.82%
2022-2023	$93,481	1.1797	$1,103	+1.73%
2021-2022	$91,651	1.18248	$1,084	-0.29%
2020-2021	$90,715	1.1984	$1,087	+3.58%
2019-2020	$88,939	1.1801	$1,050	+3.50%
2018-2019	$87,192	1.163	$1,014	+1.14%
2017-2018	$85,524	1.1723	$1,003	+1.11%
2016-2017	$83,848	1.1826	$992	+1.52%

Permits

Permit information for 521 Thornton Avenue, San Francisco, CA

No recently recorded permits 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

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 521 Thornton Avenue, San Francisco, CA 94124 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)
Drew (Charles) College Preparatory Academy	3	Public	K-5	174	0.29
Muhammad University of Islam	NR	Private	K-12	0	0.41
Coming Of Age Christian Academy	NR	Private	K-12	21	0.50
Taylor (Edward R.) Elementary School	4	Public	K-5	589	0.52
St. Elizabeth School	NR	Private	K-8	0	0.59
Havard (Leona M) Early Education School	NR	Public		173	0.59
Alta Vista School	NR	Private	K-8	277	0.62
San Francisco School, The	NR	Private	PK-8	255	0.70
Carver (George Washington) Elementary School	4	Public	K-5	101	0.75
KIPP Bayview Academy	3	Charter	5-8	199	0.84

Nearest middle schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Brown Jr. (Willie L) Middle	6	Public	6-8	257	0.35
Muhammad University of Islam	NR	Private	K-12	0	0.41
King Jr. (Martin Luther) Academic Middle School	4	Public	6-8	366	0.44
Coming Of Age Christian Academy	NR	Private	K-12	21	0.50
St. Elizabeth School	NR	Private	K-8	0	0.59
Havard (Leona M) Early Education School	NR	Public		173	0.59
Alta Vista School	NR	Private	K-8	277	0.62
San Francisco School, The	NR	Private	PK-8	255	0.70
KIPP Bayview Academy	3	Charter	5-8	199	0.84
Revere (Paul) Elementary School	2	Public	K-8	459	0.87

Nearest high schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Marshall (Thurgood) High School	2	Public	9-12	457	0.36
Muhammad University of Islam	NR	Private	K-12	0	0.41
Coming Of Age Christian Academy	NR	Private	K-12	21	0.50
Havard (Leona M) Early Education School	NR	Public		173	0.59
Burton (Phillip And Sala) Academic High School	7	Public	9-12	1,060	0.84
KIPP San Francisco College Preparatory	4	Charter	9-12	316	0.92
Joshua Marie Cameron Academy	NR	Private	7-12	13	0.95
Senior Martin College Preparatory School	NR	Private	6-12	0	0.98
Rise Institute	NR	Private	8-12	11	1.34
S.F. County Opportunity (Hilltop) School	4	Public	6-12	85	1.43

Nearby ZIP codes for 521 Thornton Avenue, San Francisco, CA

Frequently asked questions

What is the year built for 521 Thornton Avenue, San Francisco, CA 94124?

The development at 521 Thornton Avenue, San Francisco, CA 94124 was built in 1943.

What is the total square footage of 521 Thornton Avenue, San Francisco, CA 94124?

521 Thornton Avenue, San Francisco, CA 94124 has a total of 800 square feet.

When was 521 Thornton Avenue, San Francisco, CA 94124 last sold and what was the sale price?

521 Thornton Avenue, San Francisco, CA 94124 was last sold on 07/14/2014 for $175,000.

What is the assessed value of 521 Thornton Avenue, San Francisco, CA 94124?

521 Thornton Avenue, San Francisco, CA 94124 is currently assessed at $101,306.

What are the property taxes for 521 Thornton Avenue, San Francisco, CA 94124?

The property taxes for 521 Thornton Avenue, San Francisco, CA 94124 total $1,198.

Disclaimer

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.