San Francisco County  »  94107  »  Irwin St  »  450 Irwin St

450 Irwin Street, San Francisco, CA 94107 - Property report

Also known as: 1140 7th St

Property image for 450 Irwin Street, San Francisco, CA 94107
static Mapbox map

Property type

School (29)

Year built

2024

Lot sq. ft.

197,980

General Information

Address
Primary address
450 Irwin St
San Francisco, CA 94107
Alternate address(es)
1111 8th St
1140 7th St
145 Hooper St
Zip code
94107
Neighborhood
Potrero Hill
County
San Francisco
Municipality
City of San Francisco
Parcel ID
3820-004

Owner

Find out who owns 450 Irwin Street, San Francisco, CA 94107. Uncover corporate and individual owners with a free account.

Tax
Tax year
2026-2027
Base tax
$1,749,545
Current property tax
$18,465
Building
Property type
School
Building sq. ft.
100,732
Stories
4
Year built
2024
Lot
Acreage
4.545
Lot sq. ft.
197,980
Depth
240 ft
Zoning & use
Zoning
Qualified opportunity zone

Area overview

Walk score
88 /100.  Very Walkable
Transit score
80 /100.  Excellent Transit
Bike score
97 /100.  Biker's Paradise
School district
San Francisco Unified School District

Ownership information for 450 Irwin Street, San Francisco, CA

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

Sales history for 450 Irwin Street, San Francisco, CA 94107

No recently recorded sales for this property.

More about San Francisco County property records.

Title documents

Date Type Amount Party 1 Party 2 Doc #
06/02/2026 Subdntn Agreement XXXXXXXXXX XXXXXXX XX XXX XXXX XXXXX XXXXXXXX XXXX
07/10/2024 Mechanic's Lien XXX XXXXXXXXXX XXX XXXXXXXXXX XXXXXXX XX XXXX/XXXXXXXXX XXXXXXX XX XXXX XXX XXXXXX
06/06/2024 Agreement XXXXXXXXXX XXXXXXX XX XXX XXXX XXXXXXX XXX XXX XXXXXXXX XXXXXXX
04/26/2024 Assgn Deed of Trust XXXXXXXXXX XXXXXXX XX XXX XXXX XXXXXXXX XXXXX XXXX XX
04/19/2024 Decltn Use Limitation XXXXXXXXXX XXXXXXX XX XXX XXXX
10/06/2023 Decltn Use Limitation XXXXXXXXXX XXXXXXX XX XXX XXXX
09/27/2022 Mechanic's Lien XXXXXXXXXX XXXXXXX XX XXXX XXX XXXXXXXXXX XXX
08/09/2022 Asgn Security Agrmnt XXXXXXXXXX XXXXXXXXX XXXXXXXXXXX XXX XXXXXXXXX XXXXX XXXXXXXX XXXX
08/09/2022 Modif Deed of Trust XXXXXXXXXX XXXXXXX XX XXX XXXX XXXXX XXXXXXXX XXXX
04/22/2022 NTC Special Restrictions XXXXXXXXXX XXXXXXX XX XXX XXXX XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 450 Irwin 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
$1,749,545
Current property tax
$18,465
Recent tax assessments
Market value
$147,928,085
Land value
$17,084,798
Building value
$130,843,287

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 $217,665,226 1.1827 $2,574,327 +190.18%
2024-2025 $75,734,958 1.1714 $887,159 +79.47%
2023-2024 $41,972,591 1.1777 $494,311 -50.36%
2022-2023 $84,415,923 1.1797 $995,855 +169.08%
2021-2022 $31,298,763 1.18248 $370,102 -2.74%
2020-2021 $31,753,287 1.1984 $380,531 +1.18%
2019-2020 $31,870,815 1.1801 $376,107 +2.85%
2018-2019 $31,443,158 1.163 $365,684 +31.66%
2017-2018 $23,692,275 1.1723 $277,745 +1.11%
2016-2017 $23,227,721 1.1826 $274,691 +1.52%

Permit information for 450 Irwin Street, San Francisco, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
06/29/2026
02/24/2026
01/30/2026
01/14/2026
10/30/2025

*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
31,823
Median age
35.2
Average household income
$236,221
Family households
36.4%
People per household (average)
1.86
Occupied housing units
16,451
Owner-occupied units
35.7%
Median year structure built
2001
Median value mortgaged units
$1,234,600
Median value unmortgaged units
$1,190,500

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 450 Irwin Street, San Francisco, CA 94107 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 450 Irwin Street, San Francisco, CA 94107?

The development at 450 Irwin Street, San Francisco, CA 94107 was built in 2024.

What is the total square footage of 450 Irwin Street, San Francisco, CA 94107?

450 Irwin Street, San Francisco, CA 94107 has a total of 100,732 square feet.

What is the assessed value of 450 Irwin Street, San Francisco, CA 94107?

450 Irwin Street, San Francisco, CA 94107 is currently assessed at $217,665,226.

What are the property taxes for 450 Irwin Street, San Francisco, CA 94107?

The property taxes for 450 Irwin Street, San Francisco, CA 94107 total $2,574,326.

Disclaimer

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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.

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