San Francisco County  »  94133  »  Union St  »  517 Union St

517 Union Street, San Francisco, CA 94133 - Property report

Also known as: 517 Union St

Property image for 517 Union Street, San Francisco, CA 94133
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Property type

Apartments 5 to 14 Units (A5)

Year built

1906

Lot sq. ft.

3,093

Sale price

$1,330,000

General Information

Address
Primary address
517 Union St
San Francisco, CA 94133
Alternate address(es)
519 Union St
521 Union St
523 Union St
Zip code
94133
Neighborhood
Telegraph Hill
County
San Francisco
Municipality
City of San Francisco
Parcel ID
0116-046

Owner

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Sales
Sale date
06/04/2004
Sale price
$1,330,000
Arm's length
Tax
Tax year
2025-2026
Property tax
$22,365
Building
Property type
Apartments 5 to 14 Units
Building sq. ft.
5,080
Stories
2
Year built
1906
Building material
D
Rooms
21
Lot
Acreage
0.071
Lot sq. ft.
3,093
Zoning & use
Zoning
Qualified opportunity zone
Units
7

Area overview

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

Ownership information for 517 Union 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

Sales history for 517 Union Street, San Francisco, CA 94133

Sale date Sale price Buyer name Seller name
06/04/2004 $1,330,000 XX XXX XX XX XXXX X; XX XXXX X X
01/11/2002 $1,055,000 XX XXXX X X XXXXX XXXXXXX; XXX XXXX XXXXX XXXX XXXXX XX; XXXXX XXXXX

*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 #
08/10/2018 Assignment of Rents and/or Leases XX XXXXXX XXXXX XXXX XXXX XXXX
08/10/2018 Deed of Trust XX XXXXXX XXXXX XXXX XXXX XXXX
08/10/2018 Grant Deed XX XXX XX XX XXXXXX XXXXX XXXX
11/20/2012 Reconveyance XXXX XXXX XXXXXXXXXX XXX XX XXX XX
09/14/2012 Financing Statement XX XXX XX XXXXXXXX XXXXX XXXX XX
09/14/2012 Assignment of Lease XX XXX XX XXXXXXXX XXXXX XXXX XX
09/14/2012 Notice Security Agreement XX XXX XX XXXXXXXX XXXXX XXXX XX
09/14/2012 Deed of Trust XX XXX XX XXXXXXXX XXXXX XXXX XX
08/22/2011 Release Lien XXXX
08/12/2011 Release Lien XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 517 Union 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
$22,365
Recent tax assessments
Market value
$1,890,972
Land value
$1,180,082
Building value
$710,890

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 $1,890,972 1.1827 $22,365 +2.98%
2024-2025 $1,853,895 1.1714 $21,717 +1.45%
2023-2024 $1,817,545 1.1777 $21,405 +1.83%
2022-2023 $1,781,908 1.1797 $21,021 +1.76%
2021-2022 $1,746,969 1.18248 $20,658 -0.30%
2020-2021 $1,729,057 1.1984 $20,721 +3.58%
2019-2020 $1,695,155 1.1801 $20,005 +3.50%
2018-2019 $1,661,918 1.163 $19,328 +1.19%
2017-2018 $1,629,332 1.1723 $19,101 +1.11%
2016-2017 $1,597,385 1.1826 $18,891 +1.52%

Permit information for 517 Union Street, San Francisco, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
01/22/2026
01/13/2026
02/07/2006
04/08/2002
02/16/1993

*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
23,804
Median age
45.5
Average household income
$153,281
Family households
39.1%
People per household (average)
1.87
Occupied housing units
12,653
Owner-occupied units
16.5%
Median year structure built
1938
Median value mortgaged units
$1,603,200
Median value unmortgaged units
$1,517,100

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 517 Union 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.

Frequently asked questions

What is the year built for 517 Union Street, San Francisco, CA 94133?

The development at 517 Union Street, San Francisco, CA 94133 was built in 1906.

What is the total square footage of 517 Union Street, San Francisco, CA 94133?

517 Union Street, San Francisco, CA 94133 has a total of 5,080 square feet.

When was 517 Union Street, San Francisco, CA 94133 last sold and what was the sale price?

517 Union Street, San Francisco, CA 94133 was last sold on 06/04/2004 for $1,330,000.

What is the assessed value of 517 Union Street, San Francisco, CA 94133?

517 Union Street, San Francisco, CA 94133 is currently assessed at $1,890,972.

What are the property taxes for 517 Union Street, San Francisco, CA 94133?

The property taxes for 517 Union Street, San Francisco, CA 94133 total $22,364.

How many residential units does this building have?

This building has 7 residential unit(s).

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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