San Francisco County  »  94108  »  Mason St  »  831 Mason St

831 Mason Street, San Francisco, CA 94108 - Property report

Also known as: 831 Mason St

Property image for 831 Mason Street, San Francisco, CA 94108
static Mapbox map

Property type

Single Family Residence (31)

Year built

1917

Lot sq. ft.

1,394

Sale price

$7,200,000

General Information

Address
Primary address
831 Mason St
San Francisco, CA 94108
Zip code
94108
Neighborhood
Downtown District 8 - North East
County
San Francisco
Municipality
City of San Francisco
Parcel ID
0254-004

Owner

Find out who owns 831 Mason Street, San Francisco, CA 94108. Uncover corporate and individual owners with a free account.

Sales
Sale date
12/09/2016
Sale price
$7,200,000
Arm's length
Tax
Tax year
2026-2027
Base tax
$100,806
Current property tax
$100,723
Tax per sq. ft.
$22
Building
Property type
Single Family Residence
Building sq. ft.
4,519
Stories
3
Year built
1917
Rooms
11
Bathrooms
5
Lot
Acreage
0.032
Zoning & use
Zoning
Residential- Mixed, Medium Density (RM-3)
Units
1

Area overview

Walk score
99 /100.  Walker's Paradise
Transit score
100 /100.  Rider's Paradise
Bike score
58 /100.  Bikeable
School district
San Francisco Unified School District

Ownership information for 831 Mason Street, San Francisco, CA

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

Sales history for 831 Mason Street, San Francisco, CA 94108

*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 #
10/15/2020 Reconveyance XXXXXXXXXXX XXXXXXXX XXX XXXXX XXXXXXXXX
10/15/2020 Substitution Trustee XXX XXXXXX XX XXXXXXXXXXX XXXXXXXX XXX
02/07/2017 Deed of Trust XXXXX XXXXXXXXX XXX XXXXXX XX
01/03/2017 Reconveyance XXXXX XXXXXXXX XXXX XXXXXXXXX XXXXXXXX XXXX XX XX XXXX XXXX
01/03/2017 Substitution Trustee XXXXXXXXX XXXXXXXX XXXX XX XX XXXX XXXXX XXXXXXXX XXXX
01/03/2017 Reconveyance XXXXX XXXXXXXX XXXX XXXXXXXXX XXXXXXXX XXXX XX XX XXXX XXXX
01/03/2017 Substitution Trustee XXXXXXXXX XXXXXXXX XXXX XX XX XXXX XXXX XXXXX XXXXXXXX XXXX
12/09/2016 Grant Deed XXXXXXXXX XXXXXXXX XXXXXX XXXXX XX XXXX XXXXX XXXXXXXXX
03/12/2010 Reconveyance XXXXX XXXXXXXX XXXX XXXXXXXXX XXXXXXXX XXXX XX XX XXXX
07/24/2009 Deed of Trust XXXXXXXXX XXXXXXXX XXXX XX XXXXX XXXXXXXX XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 831 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
2026-2027
Base tax
$100,806
Current property tax
$100,723
Tax per sq. ft.
$22
Recent tax assessments
Market value
$8,523,360
Land value
$5,966,352
Building value
$2,557,008

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 $8,356,215 1.1827 $98,829 +2.98%
2024-2025 $8,192,368 1.1714 $95,965 +1.45%
2023-2024 $8,031,734 1.1777 $94,590 +1.83%
2022-2023 $7,874,250 1.1797 $92,893 +1.76%
2021-2022 $7,719,854 1.18248 $91,286 -0.31%
2020-2021 $7,640,697 1.1984 $91,566 +3.58%
2019-2020 $7,490,880 1.1801 $88,400 +3.50%
2018-2019 $7,344,000 1.163 $85,411 +1.19%
2017-2018 $7,200,000 1.1723 $84,406 +185.76%
2016-2017 $2,497,660 1.1826 $29,537 +1.52%

Permit information for 831 Mason Street, San Francisco, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
10/20/2021
10/20/2021
07/13/2021
06/21/2021
06/21/2021

*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 831 Mason Street, San Francisco, CA 94108 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)
Cathedral School For Boys NR Private K-8 265 0.18
Ecole Notre Dame Des Victoires NR Private K-8 277 0.24
Lau (Gordon J.) Elementary School 8 Public K-5 644 0.25
Stockton (Commodore) Children Center NR Public K 22 0.28
Parker (Jean) Elementary School 7 Public K-5 149 0.44
Edwin and Anita Lee Newcomer School NR Public K-5 21 0.45
Redding Elementary School 5 Public K-5 230 0.46
St. Mary's School NR Private PK, K-8 80 0.46
St. Mary's School NR Private PK, K-8 80 0.46
Sterne School NR Private 4-12 208 0.46
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Cathedral School For Boys NR Private K-8 265 0.18
Ecole Notre Dame Des Victoires NR Private K-8 277 0.24
St. Mary's School NR Private PK, K-8 80 0.46
Sterne School NR Private 4-12 208 0.46
Sterne School NR Private 4-12 204 0.46
The New School of San Francisco 7 Charter K-7 439 0.71
Cooper (Sarah B.) Children Center NR Public 95 0.71
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Sterne School NR Private 4-12 208 0.46
Sterne School NR Private 4-12 204 0.46
Gavin Academy NR Private K-12 0 0.66
Cooper (Sarah B.) Children Center NR Public 95 0.71
Tahour Academy NR Private 5-12 6 0.79
Sacred Heart Cathedral Preparatory NR Private 9-12 1,329 0.88
S.F. County Civic Center Secondary 2 Public 6-12 58 1.00
Five Keys Independence High School (Sf Sheriff's) 3 Charter 9-12 3,019 1.09
Five Keys Adult School (Sf Sheriff's) NR Charter 9-12 71 1.09
Galileo High School 8 Public 9-12 1,826 1.12

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

Frequently asked questions

What is the year built for 831 Mason Street, San Francisco, CA 94108?

The development at 831 Mason Street, San Francisco, CA 94108 was built in 1917.

What is the total square footage of 831 Mason Street, San Francisco, CA 94108?

831 Mason Street, San Francisco, CA 94108 has a total of 4,519 square feet.

When was 831 Mason Street, San Francisco, CA 94108 last sold and what was the sale price?

831 Mason Street, San Francisco, CA 94108 was last sold on 12/09/2016 for $7,200,000.

What is the assessed value of 831 Mason Street, San Francisco, CA 94108?

831 Mason Street, San Francisco, CA 94108 is currently assessed at $8,356,215.

What are the property taxes for 831 Mason Street, San Francisco, CA 94108?

The property taxes for 831 Mason Street, San Francisco, CA 94108 total $98,828.

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