San Francisco County » 94133 » Mason St » 1921 Mason St

1921 Mason Street, San Francisco, CA 94133 - Property report

Also known as: 1921 Mason St

Property image for 1921 Mason Street, San Francisco, CA 94133

Property type

Flats & Duplex (F)

Year built

1912

Lot sq. ft.

1,481

General Information

Address

Primary address

1921 Mason St
San Francisco, CA 94133

Alternate address(es)

1923 Mason St
1925 Mason St

Zip code

94133

Neighborhood

Russian Hill

County

San Francisco

Municipality

City of San Francisco

Parcel ID

0091-005

Tax

Tax year

2025-2026

Property tax

$2,655

Tax per sq. ft.

Building

Property type

Flats & Duplex

Building sq. ft.

3,819

Stories

Year built

1912

Building material

Rooms

Bathrooms

Lot

Acreage

0.034

Zoning & use

Zoning

Residential- Mixed, Moderate Density (RM-2)

Units

Area overview

Walk score

99 /100. Walker's Paradise

Transit score

86 /100. Excellent Transit

Bike score

67 /100. Bikeable

School district

San Francisco Unified School District

Ownership

Ownership information for 1921 Mason Street, San Francisco, CA

Uncover detailed property contact info like individual owners, building management and representatives from permits.

Property owner name

Registered owner

Source

Deed

Owner contact information

Phone number

Owner address

Documents

Sales history for 1921 Mason Street, San Francisco, CA 94133

No recently recorded sales for this property.

More about San Francisco County property records.

Title documents

Date	Type	Party 1	Party 2
01/26/2011	Reconveyance	XXXXX XXXXXX XXXX	XXX XXXX
01/26/2011	Substitution Trustee	XXXXXXX	XXXXX XXXXXX XXXX
03/20/2009	Deed	XXX XXXXXXX	XXX XXXXX XXXX
12/03/1999	Residential Energy Inspctn	XX XXXXXXX
05/28/1999	Substitution Trustee	XXXX XX XXX	XXX XXXXXXX
09/27/1991	Deed	XXX XXX XXXX	XXX XXXX XXX XXXX XXXXXXXXX XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 1921 Mason Street, 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

Property tax

$2,655

Tax per sq. ft.

Recent tax assessments

Market value

$224,474

Land value

$84,054

Building value

$140,420

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	$224,474	1.1827	$2,655	+2.98%
2024-2025	$220,074	1.1714	$2,578	+1.45%
2023-2024	$215,762	1.1777	$2,541	+1.83%
2022-2023	$211,532	1.1797	$2,495	+1.77%
2021-2022	$207,386	1.18248	$2,452	-0.32%
2020-2021	$205,260	1.1984	$2,460	+3.58%
2019-2020	$201,238	1.1801	$2,375	+3.50%
2018-2019	$197,294	1.163	$2,295	+1.19%
2017-2018	$193,428	1.1723	$2,268	+1.11%
2016-2017	$189,636	1.1826	$2,243	+1.52%

Permits

Permit information for 1921 Mason Street, San Francisco, CA

Issued date	Permit number	Permit type	Sub type	Valuation	Finaled date	Status
09/11/2023
07/24/2008
10/03/1996
11/08/1988

*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

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 1921 Mason Street, San Francisco, CA 94133 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)
Cooper (Sarah B.) Children Center	NR	Public		95	0.12
The New School of San Francisco	7	Charter	K-7	439	0.12
Sts. Peter And Paul K-8	NR	Private	K-9	225	0.14
Yick Wo Elementary School	8	Public	K-5	209	0.20
Parker (Jean) Elementary School	7	Public	K-5	149	0.27
Garfield Elementary School	7	Public	K-5	194	0.34
Stockton (Commodore) Children Center	NR	Public	K	22	0.48
Lau (Gordon J.) Elementary School	8	Public	K-5	644	0.52
Chin (John Yehall) Elementary School	9	Public	K-5	260	0.57
St. Mary's School	NR	Private	PK, K-8	80	0.58

Nearest middle schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Cooper (Sarah B.) Children Center	NR	Public		95	0.12
The New School of San Francisco	7	Charter	K-7	439	0.12
Sts. Peter And Paul K-8	NR	Private	K-9	225	0.14
Francisco Middle School	5	Public	6-8	535	0.23
St. Mary's School	NR	Private	PK, K-8	80	0.58
Sterne School	NR	Private	4-12	204	0.58
Sterne School	NR	Private	4-12	208	0.58
Fusion Academy Sf: San Francisco	NR	Private	6-12	50	0.63

Nearest high schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Cooper (Sarah B.) Children Center	NR	Public		95	0.12
Sterne School	NR	Private	4-12	204	0.58
Sterne School	NR	Private	4-12	208	0.58
Galileo High School	8	Public	9-12	1,826	0.63
Fusion Academy Sf: San Francisco	NR	Private	6-12	50	0.63
Fusion Academy San Francisco	NR	Private	6-12	55	0.63
Tahour Academy	NR	Private	5-12	6	0.96
Mary L. Booker Leadership Academy	NR	Charter	6-12	57	1.29
S.F. County Civic Center Secondary	2	Public	6-12	58	1.55
Five Keys Independence High School (Sf Sheriff's)	3	Charter	9-12	3,019	1.77

Nearby ZIP codes for 1921 Mason Street, San Francisco, CA

Frequently asked questions

What is the year built for 1921 Mason Street, San Francisco, CA 94133?

The development at 1921 Mason Street, San Francisco, CA 94133 was built in 1912.

What is the total square footage of 1921 Mason Street, San Francisco, CA 94133?

1921 Mason Street, San Francisco, CA 94133 has a total of 3,819 square feet.

What is the assessed value of 1921 Mason Street, San Francisco, CA 94133?

1921 Mason Street, San Francisco, CA 94133 is currently assessed at $224,474.

What are the property taxes for 1921 Mason Street, San Francisco, CA 94133?

The property taxes for 1921 Mason Street, San Francisco, CA 94133 total $2,654.

How many residential units does this building have?

This building has 3 residential unit(s).

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.