San Francisco County  »  94111  »  Clay St  »  300 Clay St

One Maritime Plaza - 300 Clay Street, San Francisco, CA 94111 - Property report

Also known as: 300 Clay St

Property image for One Maritime Plaza - 300 Clay Street, San Francisco, CA 94111
static Mapbox map

Property type

Office (19)

Year built

1967

Lot sq. ft.

27,617

Sale price

$416,000,000

General Information

Address
Primary address
300 Clay St
San Francisco, CA 94111
Zip code
94111
Neighborhood
Financial District - Barbary Coast
County
San Francisco
Municipality
City of San Francisco
Parcel ID
0204-021

Owner

Find out who owns One Maritime Plaza - 300 Clay Street, San Francisco, CA 94111. Uncover corporate and individual owners with a free account.

Sales
Sale date
04/26/2007
Sale price
$416,000,000
Arm's length
Tax
Tax year
2026-2027
Property tax
$5,472,827
Building
Property type
Office
Building sq. ft.
615,957
Year built
1967
Lot
Acreage
0.634
Lot sq. ft.
27,617
Zoning & use
Zoning
Qualified opportunity zone

Area overview

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

Ownership information for One Maritime Plaza - 300 Clay Street, San Francisco, CA

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

Sales history for One Maritime Plaza - 300 Clay Street, San Francisco, CA 94111

Sale date Sale price Buyer name Seller name
04/26/2007 $416,000,000 XXX XXX XXX XXXXXXXX XXXXX XX XX-XXXXXXXX XXX XXXXXXX
04/23/1997 $99,000,100 XXXXXXXXX XXXXX X XXXXXXXXX & XXXXXXXXXX XXXXXX XXX; XXX XXX; XXX XXXXX XXXXX XX
11/03/1988 $905,000 XXX XXXXX XXXXX XXXXXX XXXXXXX X

*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 #
09/18/2024 NTC Nonresponsibility XXX XXX XXX XXXXXXXX XXXXX XX
05/17/2024 NTC Nonresponsibility XXX XXX XXX XXXXXXXX XXXXX XX
01/03/2024 NTC Nonresponsibility XXXXXXXX XXXXXXX XXXXXXXXXX
08/19/2022 NTC Nonresponsibility XXX XXX XXX XXXXXXXX XXXXX XX
03/25/2022 Mechanic's Lien XXXX XXX XXXXXXXXX XXX XXX XXX XXX XXXXXXX XXXXX XX
05/11/2021 NTC Nonresponsibility XXXXXX XXX XXX XXX XXX XXXXXXXX XXXXX XX
01/05/2021 NTC Nonresponsibility XXX XXX XXX XXXXXXXX XXXXX XX XXXXXXXX XXXXXXX XXXXXXXXXX
12/14/2020 NTC Nonresponsibility XXX XXX XXX XXXXXXXX XXXXX XX XXXXXXXX XXX
02/14/2020 Notice of Non-Responsibility XXX XXX XXX XXXXXXXX XXXXX XX XXXXXXX XXXXXXXXX
01/08/2020 Declaration of Use Limitation XXX XXX XXX XXXXXXXX XXXXX XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for One Maritime Plaza - 300 Clay 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
Property tax
$5,472,827
Recent tax assessments
Market value
$462,740,053
Land value
$147,318,402
Building value
$315,421,651

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 $453,670,486 1.1827 $5,365,561 +2.98%
2024-2025 $444,780,564 1.1714 $5,210,160 +1.51%
2023-2024 $435,825,549 1.1777 $5,132,717 +1.83%
2022-2023 $427,281,349 1.1797 $5,040,638 +1.76%
2021-2022 $418,908,453 1.18248 $4,953,509 -0.31%
2020-2021 $414,620,695 1.1984 $4,968,814 +3.82%
2019-2020 $405,558,067 1.1801 $4,785,991 +3.50%
2018-2019 $397,605,949 1.163 $4,624,157 +1.19%
2017-2018 $389,809,755 1.1723 $4,569,740 +1.11%
2016-2017 $382,166,428 1.1826 $4,519,500 +1.52%

Permit information for One Maritime Plaza - 300 Clay Street, San Francisco, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
08/13/2026
08/11/2026
07/21/2026
05/27/2026
05/05/2026

*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.

Demographics by ZIP code

Total population
4,579
Median age
45.6
Average household income
$207,171
Family households
44.5%
People per household (average)
1.88
Occupied housing units
2,432
Owner-occupied units
21.2%
Median year structure built
1979
Median value mortgaged units
$1,282,900
Median value unmortgaged units
$1,140,600

Risk

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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 One Maritime Plaza - 300 Clay Street, San Francisco, CA 94111 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Frequently asked questions

What is the year built for One Maritime Plaza - 300 Clay Street, San Francisco, CA 94111?

The development at One Maritime Plaza - 300 Clay Street, San Francisco, CA 94111 was built in 1967.

What is the market value of One Maritime Plaza - 300 Clay Street, San Francisco, CA 94111?

The current market value of One Maritime Plaza - 300 Clay Street, San Francisco, CA 94111 is $453,670,486.

What is the total square footage of One Maritime Plaza - 300 Clay Street, San Francisco, CA 94111?

One Maritime Plaza - 300 Clay Street, San Francisco, CA 94111 has a total of 615,957 square feet.

What is the price per square foot for this property?

$675 per square foot is the price for One Maritime Plaza - 300 Clay Street, San Francisco, CA 94111.

Disclaimer

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